astraceroute on MAC
Anurag Bhatia
me at anuragbhatia.com
Fri Oct 10 20:45:43 UTC 2014
Dear Tim and Niels
Surely default traceroute in MAC is there but the -a option isn't good. It
picks data from RADB and not from actually visible prefix in global routing
table. Hence wrongly registered RADB objects / old objects and more give
weird output.
E.g take example of trace to one of AS10029's IP's (the company I work
for...)
traceroute to 203.122.59.75 (203.122.59.75), 30 hops max, 60 byte packets
1 gw.giga-dns.com (91.194.90.1) [AS51167] 0.332 ms 0.348 ms 0.386 ms
2 host-93-104-204-33.customer.m-online.net (93.104.204.33) [AS8767]
0.376 ms 0.368 ms 0.358 ms
3 xe-2-2-1.r3.muc2.m-online.net (212.18.6.81) [AS8767] 0.748 ms
xe-2-0-1.r3.muc2.m-online.net (212.18.6.83) [AS8767] 0.639 ms
xe-2-2-1.r3.muc2.m-online.net (212.18.6.81) [AS8767] 0.731 ms
4 DEMUE1IB03.de.en.vodafone.com (80.81.202.17) [AS51531/AS6695] 4.268 ms
4.246 ms 4.238 ms
5 85.205.25.114 (85.205.25.114) [AS3209/AS34419] 35.070 ms 35.009 ms
35.038 ms
6 145.253.33.238 (145.253.33.238) [AS3211] 32.247 ms 31.996 ms 33.534
ms
7 182.19.109.27 (182.19.109.27) [*] 168.699 ms 168.764 ms 168.794 ms
8 182.19.15.57 (182.19.15.57) [AS55410] 175.411 ms 175.283 ms 176.044
ms
9 203.122.61.148.reverse.spectranet.in (203.122.61.148) [AS10029/AS7722]
173.005 ms 172.216 ms 172.204 ms
10 * * *
11 * * *
12 * * *
Here I am getting 203.122.61.148.reverse.spectranet.in (203.122.61.148)
[AS10029/AS7722] in 9th hop. Now prefix is announced by AS10029 only but it
shows AS7722 as well because there's a route object in RADB from Rivernet
AS7722 in 2006.
route: 203.122.61.0/24
descr: Rivernet
origin: AS7722
mnt-by: MAINT-AS7474
changed: noc at optus.net.au 20060120
source: RADB
I wish to see origin ASN of a prefix which is why looking for that tool.
Thanks.
On Fri, Oct 10, 2014 at 7:21 PM, Niels Bakker <niels=nanog at bakker.net>
wrote:
> * me at anuragbhatia.com (Anurag Bhatia) [Fri 10 Oct 2014, 14:59 CEST]:
>
>> Was wondering if anyone got the astraceroute tool working on MAC?
>>
> [..]
>
>> Does anyone knows any other alternate similar tool?
>>
>
> Why bother when the supplied traceroute supports -a already?
>
>
> -- Niels.
>
> --
>
--
Anurag Bhatia
anuragbhatia.com
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