AS3549 Level3/GBLX carrying routing for 10.0.0.0/8

Sun Jul 21 04:26:20 UTC 2013

It appears AS3549 is announcing 10.0.0.0/8. I noticed it from an
AS3549 customer.

>From GBLX looking glass, ATL1

traceroute
Protocol [ip]: ip
Target IP address: 10.0.0.1
Source address:
Numeric display [n]: n
Timeout in seconds [3]: 1
Probe count [3]: 2
Minimum Time to Live [1]: 1
Maximum Time to Live [30]: 30
Port Number [33434]:
Loose, Strict, Record, Timestamp, Verbose[none]:
Type escape sequence to abort.
Tracing the route to 10.0.0.1
VRF info: (vrf in name/id, vrf out name/id)
  1 te3-1-10G.par9.CTA1.GRU.gblx.net (67.16.142.26) 120 msec 124 msec
  2 122.5.125.189.static.impsat.net.br (189.125.5.122) 120 msec 120 msec
  3 10.0.0.1 [AS 262487] 124 msec 120 msec

Apparently the customer didn't have proper inbound filter......
Reply from 10.0.0.1: bytes=32 time=132ms TTL=61