Whois 172/12

Tom Hill tom at ninjabadger.net
Thu Jan 19 16:47:38 CST 2012


On Sun, 2012-01-15 at 14:05 +0530, Suresh Ramasubramanian wrote:
> Jesus. 172.16/12 fine .. that's rfc1918.   The rest of 172/8 is mostly
> unallocated. 

And for almost all of it, there is Team Cymru:

>show ip route 172.0.0.0   
Routing entry for 172.0.0.0/9, supernet
  Known via "bgp", distance 20, metric 0
  Tag 65332, type external
  Last update from 192.0.2.1 3w1d ago
  Routing Descriptor Blocks:
  * 192.0.2.1, from 38.229.66.20, 3w1d ago
      Route metric is 0, traffic share count is 1
      AS Hops 1
      Route tag 65332
      MPLS label: none

(192.0.2.1 is null routed statically)

http://www.team-cymru.org/Services/Bogons/

A very handy service!

Tom





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