<html><head><style type='text/css'>p { margin: 0; }</style></head><body><div style='font-family: arial,helvetica,sans-serif; font-size: 10pt; color: #000000'>Chicago is a fairly major POP that *MAY* very well have waves right to other major POPs.<div><br></div><div>Can you retest from a *not* major POP? They're not likely to have a wave from Indy, St. Louis, Des Moines, etc. going to Paris, Singapore, Helsinki, Budapest, etc. Then you could *maybe* determine if it's a wave or MPLS.<br><br><div><span name="x"></span><br><br>-----<br>Mike Hammett<br>Intelligent Computing Solutions<br>http://www.ics-il.com<br><br>Midwest-IX<br>http://www.midwest-ix.com<span name="x"></span><br></div><br><hr id="zwchr"><div style="color:#000;font-weight:normal;font-style:normal;text-decoration:none;font-family:Helvetica,Arial,sans-serif;font-size:12pt;"><b>From: </b>"PAUL R BARFORD" <pb@cs.wisc.edu><br><b>To: </b>"Lukas Tribus" <lukas@ltri.eu><br><b>Cc: </b>"Esteban Carisimo" <esteban.carisimo@northwestern.edu>, nanog@nanog.org, "Fabian E. Bustamante" <fabianb@cs.northwestern.edu><br><b>Sent: </b>Monday, January 17, 2022 11:17:18 PM<br><b>Subject: </b>Re: Long hops on international paths<br><br>
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Please find the examples for the case of Telia below.</div>
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<div style="font-family: Calibri, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);">
<p style="color:rgb(32, 31, 30);background-color:rgb(255, 255, 255);font-size:11pt;font-family:Calibri, sans-serif;margin:0px">
<b><span style="margin:0px;font-family:Courier">FROM jfk-us (jfk-us.team-probing.c008820.20201002.warts.gz)</span></b></p>
<p style="color:rgb(32, 31, 30);background-color:rgb(255, 255, 255);font-size:11pt;font-family:Calibri, sans-serif;margin:0px">
<span style="margin:0px;font-family:Courier"> </span></p>
<p style="color:rgb(32, 31, 30);background-color:rgb(255, 255, 255);font-size:11pt;font-family:Calibri, sans-serif;margin:0px">
<span style="margin:0px;font-family:Courier">traceroute from 216.66.30.102 (Ark probe hosted in New York City, NY, US. No AS info found) to 223.114.235.32 (MAXMIXD: Turpan, CN)</span></p>
<p style="color:rgb(32, 31, 30);background-color:rgb(255, 255, 255);font-size:11pt;font-family:Calibri, sans-serif;margin:0px">
<span style="margin:0px;font-family:Courier">1 216.66.30.101 0.365 ms</span></p>
<p style="color:rgb(32, 31, 30);background-color:rgb(255, 255, 255);font-size:11pt;font-family:Calibri, sans-serif;margin:0px">
<span style="margin:0px;font-family:Courier">2 62.115.49.173 3.182 ms</span></p>
<p style="color:rgb(32, 31, 30);background-color:rgb(255, 255, 255);font-size:11pt;font-family:Calibri, sans-serif;margin:0px">
<span style="margin:0px;font-family:Courier">3 *</span></p>
<p style="color:rgb(32, 31, 30);background-color:rgb(255, 255, 255);font-size:11pt;font-family:Calibri, sans-serif;margin:0px">
<span style="margin:0px;font-family:Courier">4 62.115.137.59 17.453 ms [x] (chi-b23-link.ip.twelve99.net., CAIDA-GEOLOC -> Chicago, IL, US)</span></p>
<p style="color:rgb(32, 31, 30);background-color:rgb(255, 255, 255);font-size:11pt;font-family:Calibri, sans-serif;margin:0px">
<span style="margin:0px;font-family:Courier">5 62.115.117.48 59.921 ms [x] (sea-b2-link.ip.twelve99.net., RIPE-IPMAP -> Seattle, WA, US)</span></p>
<p style="color:rgb(32, 31, 30);background-color:rgb(255, 255, 255);font-size:11pt;font-family:Calibri, sans-serif;margin:0px">
<span style="margin:0px;font-family:Courier">6 62.115.171.221 69.993 ms</span></p>
<p style="color:rgb(32, 31, 30);background-color:rgb(255, 255, 255);font-size:11pt;font-family:Calibri, sans-serif;margin:0px">
<span style="margin:0px;font-family:Courier">7 223.120.6.53 69.378 ms</span></p>
<p style="color:rgb(32, 31, 30);background-color:rgb(255, 255, 255);font-size:11pt;font-family:Calibri, sans-serif;margin:0px">
<span style="margin:0px;font-family:Courier">8 223.120.12.34 226.225 ms</span></p>
<p style="color:rgb(32, 31, 30);background-color:rgb(255, 255, 255);font-size:11pt;font-family:Calibri, sans-serif;margin:0px">
<span style="margin:0px;font-family:Courier">9 221.183.55.110 237.475 ms</span></p>
<p style="color:rgb(32, 31, 30);background-color:rgb(255, 255, 255);font-size:11pt;font-family:Calibri, sans-serif;margin:0px">
<span style="margin:0px;font-family:Courier">10 221.183.25.201 238.697 ms</span></p>
<p style="color:rgb(32, 31, 30);background-color:rgb(255, 255, 255);font-size:11pt;font-family:Calibri, sans-serif;margin:0px">
<span style="margin:0px;font-family:Courier">11 221.176.16.213 242.296 ms</span></p>
<p style="color:rgb(32, 31, 30);background-color:rgb(255, 255, 255);font-size:11pt;font-family:Calibri, sans-serif;margin:0px">
<span style="margin:0px;font-family:Courier">12 221.183.36.62 352.695 ms</span></p>
<p style="color:rgb(32, 31, 30);background-color:rgb(255, 255, 255);font-size:11pt;font-family:Calibri, sans-serif;margin:0px">
<span style="margin:0px;font-family:Courier">13 221.183.39.2 300.166 ms</span></p>
<p style="color:rgb(32, 31, 30);background-color:rgb(255, 255, 255);font-size:11pt;font-family:Calibri, sans-serif;margin:0px">
<span style="margin:0px;font-family:Courier">14 117.191.8.118 316.270 ms</span></p>
<p style="color:rgb(32, 31, 30);background-color:rgb(255, 255, 255);font-size:11pt;font-family:Calibri, sans-serif;margin:0px">
<span style="margin:0px;font-family:Courier">15 *</span></p>
<p style="color:rgb(32, 31, 30);background-color:rgb(255, 255, 255);font-size:11pt;font-family:Calibri, sans-serif;margin:0px">
<span style="margin:0px;font-family:Courier">16 *</span></p>
<p style="color:rgb(32, 31, 30);background-color:rgb(255, 255, 255);font-size:11pt;font-family:Calibri, sans-serif;margin:0px">
<span style="margin:0px;font-family:Courier">17 *</span></p>
<p style="color:rgb(32, 31, 30);background-color:rgb(255, 255, 255);font-size:11pt;font-family:Calibri, sans-serif;margin:0px">
<span style="margin:0px;font-family:Courier">18 *</span></p>
<p style="color:rgb(32, 31, 30);background-color:rgb(255, 255, 255);font-size:11pt;font-family:Calibri, sans-serif;margin:0px">
<span style="margin:0px;font-family:Courier">19 *</span></p>
<p style="color:rgb(32, 31, 30);background-color:rgb(255, 255, 255);font-size:11pt;font-family:Calibri, sans-serif;margin:0px">
<span style="margin:0px;font-family:Courier"> </span></p>
<p style="color:rgb(32, 31, 30);background-color:rgb(255, 255, 255);font-size:11pt;font-family:Calibri, sans-serif;margin:0px">
<span style="margin:0px;font-family:Courier"> </span></p>
<p style="color:rgb(32, 31, 30);background-color:rgb(255, 255, 255);font-size:11pt;font-family:Calibri, sans-serif;margin:0px">
<b><span style="margin:0px;font-family:Courier">FROM ord-us (ord-us.team-probing.c008820.20201002.warts.gz)</span></b></p>
<p style="color:rgb(32, 31, 30);background-color:rgb(255, 255, 255);font-size:11pt;font-family:Calibri, sans-serif;margin:0px">
<span style="margin:0px;font-family:Courier"> </span></p>
<p style="color:rgb(32, 31, 30);background-color:rgb(255, 255, 255);font-size:11pt;font-family:Calibri, sans-serif;margin:0px">
<span style="margin:0px;font-family:Courier">traceroute from 140.192.218.138 (Ark probe hosted in Chicago, IL, US at Depaul University-AS20120) to 109.25.215.237 (237.215.25.109.rev.sfr.net., MAXMIXD: La Crau, FR)</span></p>
<p style="color:rgb(32, 31, 30);background-color:rgb(255, 255, 255);font-size:11pt;font-family:Calibri, sans-serif;margin:0px">
<span style="margin:0px;font-family:Courier">1 140.192.218.129 0.795 ms</span></p>
<p style="color:rgb(32, 31, 30);background-color:rgb(255, 255, 255);font-size:11pt;font-family:Calibri, sans-serif;margin:0px">
<span style="margin:0px;font-family:Courier">2 140.192.9.124 0.603 ms</span></p>
<p style="color:rgb(32, 31, 30);background-color:rgb(255, 255, 255);font-size:11pt;font-family:Calibri, sans-serif;margin:0px">
<span style="margin:0px;font-family:Courier">3 64.124.44.158 1.099 ms</span></p>
<p style="color:rgb(32, 31, 30);background-color:rgb(255, 255, 255);font-size:11pt;font-family:Calibri, sans-serif;margin:0px">
<span style="margin:0px;font-family:Courier">4 64.125.31.172 3.047 ms</span></p>
<p style="color:rgb(32, 31, 30);background-color:rgb(255, 255, 255);font-size:11pt;font-family:Calibri, sans-serif;margin:0px">
<span style="margin:0px;font-family:Courier">5 *</span></p>
<p style="color:rgb(32, 31, 30);background-color:rgb(255, 255, 255);font-size:11pt;font-family:Calibri, sans-serif;margin:0px">
<span style="margin:0px;font-family:Courier">6 64.125.15.65 1.895 ms [x] (zayo.telia.ter1.ord7.us.zip.zayo.com., CAIDA-GEOLOC -> Chicago, IL, US)</span></p>
<p style="color:rgb(32, 31, 30);background-color:rgb(255, 255, 255);font-size:11pt;font-family:Calibri, sans-serif;margin:0px">
<span style="margin:0px;font-family:Courier">7 62.115.118.59 99.242 ms [x] (prs-b3-link.ip.twelve99.net., CAIDA-GEOLOC -> Paris, FR)</span></p>
<p style="color:rgb(32, 31, 30);background-color:rgb(255, 255, 255);font-size:11pt;font-family:Calibri, sans-serif;margin:0px">
<span style="margin:0px;font-family:Courier">8 62.115.154.23 105.214 ms</span></p>
<p style="color:rgb(32, 31, 30);background-color:rgb(255, 255, 255);font-size:11pt;font-family:Calibri, sans-serif;margin:0px">
<span style="margin:0px;font-family:Courier">9 77.136.10.6 119.021 ms</span></p>
<p style="color:rgb(32, 31, 30);background-color:rgb(255, 255, 255);font-size:11pt;font-family:Calibri, sans-serif;margin:0px">
<span style="margin:0px;font-family:Courier">10 77.136.10.6 118.830 ms</span></p>
<p style="color:rgb(32, 31, 30);background-color:rgb(255, 255, 255);font-size:11pt;font-family:Calibri, sans-serif;margin:0px">
<span style="margin:0px;font-family:Courier">11 80.118.89.202 118.690 ms</span></p>
<p style="color:rgb(32, 31, 30);background-color:rgb(255, 255, 255);font-size:11pt;font-family:Calibri, sans-serif;margin:0px">
<span style="margin:0px;font-family:Courier">12 80.118.89.234 118.986 ms</span></p>
<p style="color:rgb(32, 31, 30);background-color:rgb(255, 255, 255);font-size:11pt;font-family:Calibri, sans-serif;margin:0px">
<span style="margin:0px;font-family:Courier">13 109.24.108.66 119.159 ms</span></p>
<p style="color:rgb(32, 31, 30);background-color:rgb(255, 255, 255);font-size:11pt;font-family:Calibri, sans-serif;margin:0px">
<span style="margin:0px;font-family:Courier">14 109.25.215.237 126.085 ms</span></p>
<p style="color:rgb(32, 31, 30);background-color:rgb(255, 255, 255);font-size:11pt;font-family:Calibri, sans-serif;margin:0px">
<span style="margin:0px;font-family:Courier"> </span></p>
<p style="color:rgb(32, 31, 30);background-color:rgb(255, 255, 255);font-size:11pt;font-family:Calibri, sans-serif;margin:0px">
<span style="margin:0px;font-family:Courier"> </span></p>
<p style="color:rgb(32, 31, 30);background-color:rgb(255, 255, 255);font-size:11pt;font-family:Calibri, sans-serif;margin:0px">
<span style="margin:0px;font-family:Courier">traceroute from 140.192.218.138 (Ark probe hosted in Chicago, IL, US at Depaul University-AS20120) to 84.249.89.93 (dsl-tkubng12-54f959-93.dhcp.inet.fi., MAXMIXD: Turku, FI)</span></p>
<p style="color:rgb(32, 31, 30);background-color:rgb(255, 255, 255);font-size:11pt;font-family:Calibri, sans-serif;margin:0px">
<span style="margin:0px;font-family:Courier">1 140.192.218.129 0.243 ms</span></p>
<p style="color:rgb(32, 31, 30);background-color:rgb(255, 255, 255);font-size:11pt;font-family:Calibri, sans-serif;margin:0px">
<span style="margin:0px;font-family:Courier">2 140.192.9.124 0.326 ms</span></p>
<p style="color:rgb(32, 31, 30);background-color:rgb(255, 255, 255);font-size:11pt;font-family:Calibri, sans-serif;margin:0px">
<span style="margin:0px;font-family:Courier">3 64.124.44.158 0.600 ms</span></p>
<p style="color:rgb(32, 31, 30);background-color:rgb(255, 255, 255);font-size:11pt;font-family:Calibri, sans-serif;margin:0px">
<span style="margin:0px;font-family:Courier">4 *</span></p>
<p style="color:rgb(32, 31, 30);background-color:rgb(255, 255, 255);font-size:11pt;font-family:Calibri, sans-serif;margin:0px">
<span style="margin:0px;font-family:Courier">5 *</span></p>
<p style="color:rgb(32, 31, 30);background-color:rgb(255, 255, 255);font-size:11pt;font-family:Calibri, sans-serif;margin:0px">
<span style="margin:0px;font-family:Courier">6 64.125.15.65 1.792 ms [x] (zayo.telia.ter1.ord7.us.zip.zayo.com., CAIDA-GEOLOC -> Chicago, IL, US)</span></p>
<p style="color:rgb(32, 31, 30);background-color:rgb(255, 255, 255);font-size:11pt;font-family:Calibri, sans-serif;margin:0px">
<span style="margin:0px;font-family:Courier">7 62.115.123.27 121.199 ms [x] (hls-b4-link.ip.twelve99.net., CAIDA-GEOLOC -> Helsinki, FI)</span></p>
<p style="color:rgb(32, 31, 30);background-color:rgb(255, 255, 255);font-size:11pt;font-family:Calibri, sans-serif;margin:0px">
<span style="margin:0px;font-family:Courier">8 *</span></p>
<p style="color:rgb(32, 31, 30);background-color:rgb(255, 255, 255);font-size:11pt;font-family:Calibri, sans-serif;margin:0px">
<span style="margin:0px;font-family:Courier">9 141.208.193.190 127.723 ms</span></p>
<p style="color:rgb(32, 31, 30);background-color:rgb(255, 255, 255);font-size:11pt;font-family:Calibri, sans-serif;margin:0px">
<span style="margin:0px;font-family:Courier">10 84.249.89.93 139.051 ms</span></p>
<p style="color:rgb(32, 31, 30);background-color:rgb(255, 255, 255);font-size:11pt;font-family:Calibri, sans-serif;margin:0px">
<span style="margin:0px;font-family:Courier"> </span></p>
<p style="color:rgb(32, 31, 30);background-color:rgb(255, 255, 255);font-size:11pt;font-family:Calibri, sans-serif;margin:0px">
<span style="margin:0px;font-family:Courier"> </span></p>
<p style="color:rgb(32, 31, 30);background-color:rgb(255, 255, 255);font-size:11pt;font-family:Calibri, sans-serif;margin:0px">
<span style="margin:0px;font-family:Courier">traceroute from 140.192.218.138 (Ark probe hosted in Chicago, IL, US) to 193.28.231.50 (MAXMIXD: None, HU)</span></p>
<p style="color:rgb(32, 31, 30);background-color:rgb(255, 255, 255);font-size:11pt;font-family:Calibri, sans-serif;margin:0px">
<span style="margin:0px;font-family:Courier">1 140.192.218.129 0.240 ms</span></p>
<p style="color:rgb(32, 31, 30);background-color:rgb(255, 255, 255);font-size:11pt;font-family:Calibri, sans-serif;margin:0px">
<span style="margin:0px;font-family:Courier">2 140.192.9.124 0.333 ms</span></p>
<p style="color:rgb(32, 31, 30);background-color:rgb(255, 255, 255);font-size:11pt;font-family:Calibri, sans-serif;margin:0px">
<span style="margin:0px;font-family:Courier">3 64.124.44.158 0.648 ms</span></p>
<p style="color:rgb(32, 31, 30);background-color:rgb(255, 255, 255);font-size:11pt;font-family:Calibri, sans-serif;margin:0px">
<span style="margin:0px;font-family:Courier">4 *</span></p>
<p style="color:rgb(32, 31, 30);background-color:rgb(255, 255, 255);font-size:11pt;font-family:Calibri, sans-serif;margin:0px">
<span style="margin:0px;font-family:Courier">5 64.125.25.75 0.752 ms</span></p>
<p style="color:rgb(32, 31, 30);background-color:rgb(255, 255, 255);font-size:11pt;font-family:Calibri, sans-serif;margin:0px">
<span style="margin:0px;font-family:Courier">6 64.125.15.65 1.877 ms [x] (zayo.telia.ter1.ord7.us.zip.zayo.com., CAIDA-GEOLOC -> Chicago, IL, US)</span></p>
<p style="color:rgb(32, 31, 30);background-color:rgb(255, 255, 255);font-size:11pt;font-family:Calibri, sans-serif;margin:0px">
<span style="margin:0px;font-family:Courier">7 62.115.119.39 123.952 ms [x] (bpt-b2-link.ip.twelve99.net., **I suspect it is in Budapest, HU**)</span></p>
<p style="color:rgb(32, 31, 30);background-color:rgb(255, 255, 255);font-size:11pt;font-family:Calibri, sans-serif;margin:0px">
<span style="margin:0px;font-family:Courier">8 62.115.39.122 117.171 ms</span></p>
<p style="color:rgb(32, 31, 30);background-color:rgb(255, 255, 255);font-size:11pt;font-family:Calibri, sans-serif;margin:0px">
<span style="margin:0px;font-family:Courier">9 88.151.96.148 117.202 ms</span></p>
<p style="color:rgb(32, 31, 30);background-color:rgb(255, 255, 255);font-size:11pt;font-family:Calibri, sans-serif;margin:0px">
<span style="margin:0px;font-family:Courier">10 88.151.96.213 124.787 ms</span></p>
<p style="color:rgb(32, 31, 30);background-color:rgb(255, 255, 255);font-size:11pt;font-family:Calibri, sans-serif;margin:0px">
<span style="margin:0px;font-family:Courier">11 *</span></p>
<p style="color:rgb(32, 31, 30);background-color:rgb(255, 255, 255);font-size:11pt;font-family:Calibri, sans-serif;margin:0px">
<span style="margin:0px;font-family:Courier">12 *</span></p>
<p style="color:rgb(32, 31, 30);background-color:rgb(255, 255, 255);font-size:11pt;font-family:Calibri, sans-serif;margin:0px">
<span style="margin:0px;font-family:Courier">13 *</span></p>
<p style="color:rgb(32, 31, 30);background-color:rgb(255, 255, 255);font-size:11pt;font-family:Calibri, sans-serif;margin:0px">
<span style="margin:0px;font-family:Courier">14 *</span></p>
<p style="color:rgb(32, 31, 30);background-color:rgb(255, 255, 255);font-size:11pt;font-family:Calibri, sans-serif;margin:0px">
<span style="margin:0px;font-family:Courier">15 *</span></p>
<p style="color:rgb(32, 31, 30);background-color:rgb(255, 255, 255);font-size:11pt;font-family:Calibri, sans-serif;margin:0px">
<span style="margin:0px;font-family:Courier"> </span></p>
<p style="color:rgb(32, 31, 30);background-color:rgb(255, 255, 255);font-size:11pt;font-family:Calibri, sans-serif;margin:0px">
<span style="margin:0px;font-family:Courier"> </span></p>
<p style="color:rgb(32, 31, 30);background-color:rgb(255, 255, 255);font-size:11pt;font-family:Calibri, sans-serif;margin:0px">
<span style="margin:0px;font-family:Courier">traceroute from 140.192.218.138 (Ark probe hosted in Chicago, IL, US at Depaul University-AS20120) to 152.195.4.11 (MAXMIXD: Los Angeles, CA, US)</span></p>
<p style="color:rgb(32, 31, 30);background-color:rgb(255, 255, 255);font-size:11pt;font-family:Calibri, sans-serif;margin:0px">
<span style="margin:0px;font-family:Courier">1 140.192.218.129 0.224 ms</span></p>
<p style="color:rgb(32, 31, 30);background-color:rgb(255, 255, 255);font-size:11pt;font-family:Calibri, sans-serif;margin:0px">
<span style="margin:0px;font-family:Courier">2 140.192.9.124 0.545 ms</span></p>
<p style="color:rgb(32, 31, 30);background-color:rgb(255, 255, 255);font-size:11pt;font-family:Calibri, sans-serif;margin:0px">
<span style="margin:0px;font-family:Courier">3 64.124.44.158 0.640 ms</span></p>
<p style="color:rgb(32, 31, 30);background-color:rgb(255, 255, 255);font-size:11pt;font-family:Calibri, sans-serif;margin:0px">
<span style="margin:0px;font-family:Courier">4 *</span></p>
<p style="color:rgb(32, 31, 30);background-color:rgb(255, 255, 255);font-size:11pt;font-family:Calibri, sans-serif;margin:0px">
<span style="margin:0px;font-family:Courier">5 *</span></p>
<p style="color:rgb(32, 31, 30);background-color:rgb(255, 255, 255);font-size:11pt;font-family:Calibri, sans-serif;margin:0px">
<span style="margin:0px;font-family:Courier">6 64.125.15.65 1.786 ms [x] (zayo.telia.ter1.ord7.us.zip.zayo.com., CAIDA-GEOLOC -> Chicago, IL, US)</span></p>
<p style="color:rgb(32, 31, 30);background-color:rgb(255, 255, 255);font-size:11pt;font-family:Calibri, sans-serif;margin:0px">
<span style="margin:0px;font-family:Courier">7 62.115.118.247 54.597 ms [x] (las-b22-link.ip.twelve99.net., CAIDA-GEOLOC -> Los Angeles, CA, US)</span></p>
<p style="color:rgb(32, 31, 30);background-color:rgb(255, 255, 255);font-size:11pt;font-family:Calibri, sans-serif;margin:0px">
<span style="margin:0px;font-family:Courier">8 62.115.11.129 55.979 ms</span></p>
<p style="color:rgb(32, 31, 30);background-color:rgb(255, 255, 255);font-size:11pt;font-family:Calibri, sans-serif;margin:0px">
<span style="margin:0px;font-family:Courier">9 *</span></p>
<p style="color:rgb(32, 31, 30);background-color:rgb(255, 255, 255);font-size:11pt;font-family:Calibri, sans-serif;margin:0px">
<span style="margin:0px;font-family:Courier">10 *</span></p>
<p style="color:rgb(32, 31, 30);background-color:rgb(255, 255, 255);font-size:11pt;font-family:Calibri, sans-serif;margin:0px">
<span style="margin:0px;font-family:Courier">11 *</span></p>
<p style="color:rgb(32, 31, 30);background-color:rgb(255, 255, 255);font-size:11pt;font-family:Calibri, sans-serif;margin:0px">
<span style="margin:0px;font-family:Courier">12 *</span></p>
<p style="color:rgb(32, 31, 30);background-color:rgb(255, 255, 255);font-size:11pt;font-family:Calibri, sans-serif;margin:0px">
<span style="margin:0px;font-family:Courier">13 *</span></p>
<p style="color:rgb(32, 31, 30);background-color:rgb(255, 255, 255);font-size:11pt;font-family:Calibri, sans-serif;margin:0px">
<span style="margin:0px;font-family:Courier"> </span></p>
<p style="color:rgb(32, 31, 30);background-color:rgb(255, 255, 255);font-size:11pt;font-family:Calibri, sans-serif;margin:0px">
<span style="margin:0px;font-family:Courier"> </span></p>
<p style="color:rgb(32, 31, 30);background-color:rgb(255, 255, 255);font-size:11pt;font-family:Calibri, sans-serif;margin:0px">
<span style="margin:0px;font-family:Courier">traceroute from 140.192.218.138 (Ark probe hosted in Chicago, IL, US at Depaul University-AS20120) to 47.31.143.217 (MAXMIXD: Delhi, IN)</span></p>
<p style="color:rgb(32, 31, 30);background-color:rgb(255, 255, 255);font-size:11pt;font-family:Calibri, sans-serif;margin:0px">
<span style="margin:0px;font-family:Courier">1 140.192.218.129 2.277 ms</span></p>
<p style="color:rgb(32, 31, 30);background-color:rgb(255, 255, 255);font-size:11pt;font-family:Calibri, sans-serif;margin:0px">
<span style="margin:0px;font-family:Courier">2 140.192.9.124 0.449 ms</span></p>
<p style="color:rgb(32, 31, 30);background-color:rgb(255, 255, 255);font-size:11pt;font-family:Calibri, sans-serif;margin:0px">
<span style="margin:0px;font-family:Courier">3 64.124.44.158 0.576 ms</span></p>
<p style="color:rgb(32, 31, 30);background-color:rgb(255, 255, 255);font-size:11pt;font-family:Calibri, sans-serif;margin:0px">
<span style="margin:0px;font-family:Courier">4 *</span></p>
<p style="color:rgb(32, 31, 30);background-color:rgb(255, 255, 255);font-size:11pt;font-family:Calibri, sans-serif;margin:0px">
<span style="margin:0px;font-family:Courier">5 *</span></p>
<p style="color:rgb(32, 31, 30);background-color:rgb(255, 255, 255);font-size:11pt;font-family:Calibri, sans-serif;margin:0px">
<span style="margin:0px;font-family:Courier">6 64.125.15.65 1.814 ms [x] (zayo.telia.ter1.ord7.us.zip.zayo.com., CAIDA-GEOLOC -> Chicago, IL, US)</span></p>
<p style="color:rgb(32, 31, 30);background-color:rgb(255, 255, 255);font-size:11pt;font-family:Calibri, sans-serif;margin:0px">
<span style="margin:0px;font-family:Courier">7 62.115.114.41 210.056 ms [x] (snge-b5-link.ip.twelve99.net.,)</span></p>
<p style="color:rgb(32, 31, 30);background-color:rgb(255, 255, 255);font-size:11pt;font-family:Calibri, sans-serif;margin:0px">
<span style="margin:0px;font-family:Courier">8 62.115.177.11 200.840 ms </span></p>
<p style="color:rgb(32, 31, 30);background-color:rgb(255, 255, 255);font-size:11pt;font-family:Calibri, sans-serif;margin:0px">
<span style="margin:0px;font-family:Courier"> 9 103.198.140.16 233.636 ms</span></p>
<p style="color:rgb(32, 31, 30);background-color:rgb(255, 255, 255);font-size:11pt;font-family:Calibri, sans-serif;margin:0px">
<span style="margin:0px;font-family:Courier">10 103.198.140.16 232.871 ms</span></p>
<p style="color:rgb(32, 31, 30);background-color:rgb(255, 255, 255);font-size:11pt;font-family:Calibri, sans-serif;margin:0px">
<span style="margin:0px;font-family:Courier">11 103.198.140.171 232.648 ms</span></p>
<p style="color:rgb(32, 31, 30);background-color:rgb(255, 255, 255);font-size:11pt;font-family:Calibri, sans-serif;margin:0px">
<span style="margin:0px;font-family:Courier">12 *</span></p>
<p style="color:rgb(32, 31, 30);background-color:rgb(255, 255, 255);font-size:11pt;font-family:Calibri, sans-serif;margin:0px">
<span style="margin:0px;font-family:Courier">13 *</span></p>
<p style="color:rgb(32, 31, 30);background-color:rgb(255, 255, 255);font-size:11pt;font-family:Calibri, sans-serif;margin:0px">
<span style="margin:0px;font-family:Courier">14 *</span></p>
<p style="color:rgb(32, 31, 30);background-color:rgb(255, 255, 255);font-size:11pt;font-family:Calibri, sans-serif;margin:0px">
<span style="margin:0px;font-family:Courier">15 *</span></p>
<p style="color:rgb(32, 31, 30);background-color:rgb(255, 255, 255);font-size:11pt;font-family:Calibri, sans-serif;margin:0px">
<span style="margin:0px;font-family:Courier">16 *</span></p>
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<div id="divRplyFwdMsg" dir="ltr"><font face="Calibri, sans-serif" style="font-size:11pt" color="#000000"><b>From:</b> Lukas Tribus <lukas@ltri.eu><br>
<b>Sent:</b> Monday, January 17, 2022 1:52 PM<br>
<b>To:</b> PAUL R BARFORD <pb@cs.wisc.edu><br>
<b>Cc:</b> Nick Hilliard <nick@foobar.org>; nanog@nanog.org <nanog@nanog.org>; Esteban Carisimo <esteban.carisimo@northwestern.edu>; Fabian E. Bustamante <fabianb@cs.northwestern.edu><br>
<b>Subject:</b> Re: Long hops on international paths</font>
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<div class="PlainText">On Mon, 17 Jan 2022 at 20:00, PAUL R BARFORD <pb@cs.wisc.edu> wrote:<br>
> What we're curious about is why we're seeing a concentration of hops at a small number of routers that appear on international paths.<br>
<br>
I suggest you share a few actual examples (IP addresses, traceroutes).<br>
<br>
I don't think discussing your conclusion based on data we don't have<br>
makes sense.<br>
<br>
<br>
Lukas<br>
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