[GTALUG] odd DHCP participant on Rogers cable internet

Fri Oct 23 11:39:12 UTC 2015

| From: Lennart Sorensen <lsorense at csclub.uwaterloo.ca>

| On Fri, Oct 23, 2015 at 11:10:32AM -0400, D. Hugh Redelmeier wrote:
| > I've just noticed that DHCP responses come from 7.11.164.145.

| explains that apparently 7.0.0.0/16 is reserved for internal use only
| behind the DoD firewalls,

7.11.164.145 is not in 7.0.0.0/16.

Is it the case that the /8 is completely unrouted?

According to the NTT Lookinglass, the router in Ashburn VA sees no network 
in its BGP table for 7.11.164.145.  So I guess it is safe.

<http://www.us.ntt.net/support/looking-glass/>