www.att.net ipv6 traceroute
Matthew Petach
mpetach at netflight.com
Mon Jul 1 19:42:51 UTC 2013
On Mon, Jul 1, 2013 at 7:34 AM, David Hill <dhill at mindcry.org> wrote:
> Anyone else noticing odd ipv6 traceroutes to www.att.net
> (2001:1890:1c01:2::40)?
>
> For example, the first traceroute originating in Chicago, and if the
> hostnames are anything to go by:
>
> Chicago -> Dallas -> Atlanta -> Miama -> NYC -> Amsterdam ->
> Frankfurt -> France -> D.C. -> Atlanta...
>
> The first 2 traceroutes are on SixXs tunnels and the third is native.
>
> From 2604:8800::/32 (Chicago, Sixxs)
>
> 2 gw-122.chi-03.us.sixxs.net 25.925 ms 14.816 ms 13.645 ms
> 3 uschi03.sixxs.net 18.651 ms 15.544 ms 34.06 ms
> 4 2620:0:6b0:a::1 27.401 ms 15.677 ms 14.83 ms
> 5 tge6-3.fr3.ord4.ipv6.llnw.net 14.482 ms 18.875 ms 21.112 ms
> 6 ve8.fr3.ord.ipv6.llnw.net 28.965 ms 24.031 ms 15.947 ms
> 7 tge2-1.fr3.dal.ipv6.llnw.net 39.672 ms 41.431 ms 49.888 ms
> 8 tge4-1.fr3.atl1.ipv6.llnw.net 59.908 ms 62.198 ms 72.244 ms
> 9 tge2-1.fr3.mia1.ipv6.llnw.net 78.641 ms 75.351 ms 74.425 ms
> 10 2600:804:11f::11 91.243 ms 90.002 ms 87.802 ms
> 11 2600:802::23 119.804 ms 100.727 ms 100.737 ms
> 12 ge-0-3-0.IL1.NYC12.ALTER.NET 147.803 ms 145.406 ms 147.878 ms
> 13 ae1.XT2.AMS2.ALTER.NET 148.699 ms ae1.XT1.AMS2.ALTER.NET 146.322 ms
> 152.503 ms
> 14 GigabitEthernet6-0-0.GW5.AMS6.ALTER.NET 145.967 ms 148.903 ms
> 165.926 ms
> 15 FastEthernet0-0.6B1.AMS6.ALTER.NET 183.716 ms 156.131 ms 194.141 ms
> 16 tu3.6B1.FFT4.ALTER.NET 184.867 ms 184.005 ms 170.47 ms
> 17 ffm-s1-rou-1006.DE.eurorings.net 159.565 ms * 173.012 ms
> 18 ffm-s1-rou-1102.DE.eurorings.net 200.82 ms 225.979 ms 207.712 ms
> 19 kehl-s2-rou-1103.DE.eurorings.net 228.884 ms 208.576 ms 203.722 ms
> 20 nntr-s1-rou-1101.FR.eurorings.net 192.901 ms 210.818 ms 210.279 ms
> 21 * 2001:680:0:134:222:226:160:1 189.452 ms 171.714 ms
> 22 2001:1890:c00:c001::1171:ecca 192.306 ms 164.33 ms 192.835 ms
> 23 2001:1890:c00:c001::ee71:ecca 222.488 ms 218.21 ms 194.537 ms
> 24 2001:1890:ff:ffff:12:122:105:90 214.309 ms 216.21 ms 216.51 ms
> 25 wswdc22crs.ipv6.att.net 206.215 ms 220.884 ms 202.472 ms
> 26 attga21crs.ipv6.att.net 213.776 ms 220.918 ms 205.205 ms
> 27 attga409me3.ipv6.att.net 190.66 ms 228.532 ms 200.606 ms
> 28 2001:1890:c00:8802::11cc:6c6d 217.65 ms 222.145 ms 210.213 ms
>
> From 2a02:2528::/32 (Switzerland, Sixxs)
>
> 2 gw-91.gva-01.ch.sixxs.net 28.932 ms 28.415 ms 29.091 ms
> 3 2a02:2528:ff:1::4 28.082 ms 28.873 ms 41.525 ms
> 4 ge0-1.gv1.ip-max.sixxs.net 29.546 ms 37.835 ms 29.366 ms
> 5 ge3-14.ar01.gva253.ip-max.net 30.502 ms 32.925 ms 29.370 ms
> 6 ae1.cr01.gva253.ip-max.net 45.019 ms 41.335 ms 47.675 ms
> 7 xe0-0-1.cr01.gva252.ip-max.net 28.903 ms 33.530 ms 41.954 ms
> 8 po1.br01.gva252.ip-max.net 39.794 ms 34.197 ms 28.843 ms
> 9 r1gva1.core.init7.net 28.849 ms 32.812 ms 31.988 ms
> 10 r1zug1.core.init7.net 47.583 ms 42.633 ms 37.785 ms
> 11 r1glb1.core.init7.net 36.323 ms 56.574 ms 34.909 ms
> 12 r1zrh1.core.init7.net 50.896 ms 56.617 ms 42.967 ms
> 13 ae0-12.zur11.ip6.tinet.net 42.462 ms 41.909 ms 41.557 ms
> 14 xe-0-1-1.nyc20.ip6.tinet.net 128.395 ms
> xe-0-1-2.nyc20.ip6.tinet.net 127.736 ms
> xe-0-1-1.nyc20.ip6.tinet.net 120.968 ms
> 15 nyiix.iij.net 121.285 ms 121.758 ms 120.904 ms
> 16 nyc002bb10.iij.net 121.436 ms 122.211 ms 120.475 ms
> 17 abn001bb10.iij.net 121.829 ms 123.181 ms 121.787 ms
> 18 2600:803:92f::1 143.860 ms 125.196 ms 179.323 ms
> 19 2600:802::23 139.937 ms 132.728 ms 140.416 ms
> 20 ge-1-2-0.il1.nyc12.alter.net 130.477 ms
> ge-0-3-0.il1.nyc12.alter.net 130.349 ms 140.231 ms
> 21 * * *
> 22 gigabitethernet6-0-0.gw5.ams6.alter.net 349.594 ms 129.648 ms
> gigabitethernet7-0-0.gw5.ams6.alter.net 130.583 ms
> 23 fastethernet0-0.6b1.ams6.alter.net 138.677 ms 169.896 ms 402.511 ms
> 24 tu3.6b1.fft4.alter.net 379.628 ms 156.939 ms 138.227 ms
> 25 * * *
> 26 ffm-s1-rou-1102.de.eurorings.net 219.035 ms 227.354 ms 236.133 ms
> 27 kehl-s2-rou-1103.de.eurorings.net 228.896 ms 221.190 ms 239.280 ms
> 28 nntr-s1-rou-1101.fr.eurorings.net 219.410 ms 226.779 ms 230.940 ms
> 29 2001:680::134:222:226:160:1 247.598 ms 243.938 ms 218.783 ms
> 30 2001:1890:c00:c001::1171:ecca 217.493 ms 242.119 ms 217.778 ms
> 31 2001:1890:c00:c001::ee71:ecca 238.297 ms 219.211 ms 218.524 ms
> 32 2001:1890:ff:ffff:12:122:105:90 257.048 ms 250.699 ms 252.160 ms
> 33 wswdc22crs.ipv6.att.net 248.764 ms 268.970 ms 416.443 ms
> 34 *
> attga21crs.ipv6.att.net 239.030 ms 241.492 ms
> 35 attga409me3.ipv6.att.net 249.902 ms 268.800 ms 253.631 ms
> 36 2001:1890:c00:8802::11cc:6c6d 260.203 ms 236.484 ms 245.413 ms
>
> From 2001:1b60::/32 (Germany, Native)
>
> 2 2001:1b60:0:1:0:1:0:1 0.275 ms 0.247 ms 0.237 ms
> 3 Pironet.FRA-12-eth012-615.v6.lambdanet.net 3.199 ms 3.198 ms 4.578
> ms
> 4 ae5.irt1.fra44.de.v6.as13237.net 6.518 ms 6.499 ms 6.507 ms
> 5 xe-0-3-0-0.fra21.ip6.tinet.net 6.570 ms 6.563 ms 6.543 ms
> 6 xe-0-1-2.nyc20.ip6.tinet.net 86.740 ms
> xe-0-0-2.nyc20.ip6.tinet.net 86.833 ms
> xe-0-2-1.nyc20.ip6.tinet.net 86.715 ms
> 7 NYIIX.IIJ.Net 88.196 ms 88.046 ms 88.016 ms
> 8 nyc002bb10.iij.net 85.712 ms 85.844 ms 85.978 ms
> 9 abn001bb10.iij.net 92.920 ms 93.113 ms 92.785 ms
> 10 2600:803:92f::1 93.331 ms 92.965 ms 92.713 ms
> 11 2600:802::23 94.009 ms 94.048 ms 100.621 ms
> 12 ge-0-3-0.IL1.NYC12.ALTER.NET 99.927 ms 99.896 ms
> ge-1-2-0.IL1.NYC12.ALTER.NET 99.866 ms
> 13 ae1.XT2.AMS2.ALTER.NET 97.016 ms
> ae1.XT1.AMS2.ALTER.NET 96.994 ms 96.919 ms
> 14 GigabitEthernet7-0-0.GW5.AMS6.ALTER.NET 97.120 ms 98.054 ms
> GigabitEthernet6-0-0.GW5.AMS6.ALTER.NET 97.111 ms
> 15 FastEthernet0-0.6B1.AMS6.ALTER.NET 104.272 ms 106.899 ms 106.249 ms
> 16 tu3.6B1.FFT4.ALTER.NET 107.443 ms 100.970 ms 98.980 ms
> 17 * *
> ffm-s1-rou-1006.DE.eurorings.net 99.641 ms
> 18 ffm-s1-rou-1102.DE.eurorings.net 190.998 ms 183.395 ms 190.432 ms
> 19 kehl-s2-rou-1103.DE.eurorings.net 190.216 ms 203.128 ms 192.594 ms
> 20 nntr-s1-rou-1101.FR.eurorings.net 183.713 ms 193.837 ms 202.330 ms
> 21 2001:680:0:134:222:226:164:1 209.937 ms 182.641 ms 182.782 ms
> 22 2001:1890:c00:c001::1171:ecca 188.257 ms 183.682 ms 216.084 ms
> 23 2001:1890:c00:c001::ee71:ecca 205.741 ms 183.258 ms 204.891 ms
> 24 2001:1890:ff:ffff:12:122:105:90 247.476 ms 242.229 ms 251.679 ms
> 25 wswdc22crs.ipv6.att.net 237.167 ms 216.849 ms 228.173 ms
> 26 attga21crs.ipv6.att.net 208.246 ms 230.028 ms 232.396 ms
> 27 attga409me3.ipv6.att.net 255.300 ms 251.860 ms 249.848 ms
> 28 2001:1890:c00:8802::11cc:6c6d 233.211 ms 215.398 ms 206.866 ms
>
>
Looks fine to me:
mpetach at tftp1:~> traceroute6 www.att.net
traceroute6 to www.att.net (2001:1890:1c01:2::40) from
2001:4998:f002:1fe::100, 64 hops max, 12 byte packets
1 ge-0-3-1-d2.pat1.pao.yahoo.com 0.369 ms 0.352 ms 0.367 ms
2 ae-8.pat1.dnx.yahoo.com 25.348 ms 25.363 ms 123.170 ms
3 2605:6c00:303:303::69 35.219 ms 25.622 ms 25.956 ms
4 10gigabitethernet4-3.core1.chi1.he.net 52.456 ms 59.001 ms 53.043 ms
5 att-internet4-as7018.10gigabitethernet5.switch2.chi1.he.net 75.188 ms
77.365 ms 75.445 ms
6 cgcil21crs.ipv6.att.net 102.561 ms 104.090 ms 103.922 ms
7 cl2oh21crs.ipv6.att.net 105.803 ms 106.685 ms 103.180 ms
8 * * *
9 nsvtn21crs.ipv6.att.net 97.371 ms 119.415 ms 92.557 ms
10 * * *
11 attga409me3.ipv6.att.net 113.108 ms 119.130 ms 118.172 ms
12 2001:1890:c00:8802::11cc:6c6d 126.793 ms 117.539 ms 128.418 ms
Palo Alto->Denver->Chicago->Cleveland->Nashville->Atlanta
mpetach at tftp1:~> traceroute6 www.att.net
traceroute6 to www.att.net (2001:1890:1c01:2::40) from
2a00:1288:f00e:1fd::100, 64 hops max, 12 byte packets
1 ge-0-1-0-d2.pat1.ams.yahoo.com 0.594 ms 0.745 ms 0.449 ms
2 30gigabitethernet1-3.core1.ams1.he.net 7.836 ms 11.186 ms 0.621 ms
3 10gigabitethernet1-4.core1.lon1.he.net 7.235 ms 7.693 ms 7.537 ms
4 10gigabitethernet10-4.core1.nyc4.he.net 85.336 ms 75.730 ms 74.506 ms
5 as7018-att.10gigabitethernet2-3.core1.nyc4.he.net 84.458 ms 84.046
ms 84.470 ms
6 n54ny22crs.ipv6.att.net 108.346 ms 109.709 ms 106.708 ms
7 wswdc22crs.ipv6.att.net 109.593 ms 109.116 ms 109.738 ms
8 attga21crs.ipv6.att.net 107.695 ms 104.384 ms 108.077 ms
9 attga409me3.ipv6.att.net 104.221 ms 109.647 ms 104.790 ms
10 2001:1890:c00:8802::11cc:6c6d 105.524 ms 105.763 ms 105.345 ms
Amsterdam->London->NY->DC->Atlanta
Possibly just a transient issue?
Matt
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