Looks like they stopped already, I'm not seeing this on 3491 nor on routeviews anymore. Pf
"Christopher" == Christopher Morrow <morrowc.lists@gmail.com> writes:
Christopher> Howdy gentle folks: Christopher> It looks like AS4847 - "China Networks Inter-Exchange" Christopher> Is taking some time to announce reachability for at least: Christopher> 136.38.33.0/24 Christopher> which they ought not, given that this /24 is part of a /11 assigned to Christopher> AS16591 (google fiber)... Looking at routeviews data, I see the Christopher> following as-paths for this one /24: Christopher> $ grep -A1 Refresh /tmp/x | grep 4847 Christopher> 1239 174 4134 4847 Christopher> 3549 3356 174 4134 4847 Christopher> 701 174 4134 4847 Christopher> 4901 6079 3257 4134 4847 Christopher> 20912 174 4134 4847 Christopher> 1221 4637 4134 4847 Christopher> 1351 11164 4134 4847 Christopher> 6079 1299 4134 4847 Christopher> 6079 3257 4134 4847 Christopher> 7018 4134 4847 Christopher> 6939 1299 4134 4847 Christopher> 3561 209 4134 4847 Christopher> 3303 4134 4847 Christopher> 3277 39710 9002 4134 4847 Christopher> 2497 4134 4847 Christopher> 4826 1299 4134 4847 Christopher> 54728 20130 23352 2914 4134 4847 Christopher> 19214 3257 4134 4847 Christopher> 101 101 11164 4134 4847 Christopher> 1403 6453 4134 4847 Christopher> 852 6453 4134 4847 Christopher> 1403 6453 4134 4847 Christopher> 286 4134 4847 Christopher> 3333 1273 4134 4847 Christopher> 57866 3491 4134 4847 Christopher> 3267 1299 4134 4847 Christopher> 49788 174 4134 4847 Christopher> 53767 3257 4134 4847 Christopher> 53364 3257 4134 4847 Christopher> 8283 57866 3491 4134 4847 Christopher> 7660 2516 4134 4847 Christopher> From that I think the following AS should have filtered this prefix and are not: Christopher> $ grep -A1 Refresh /tmp/x | grep 4847 | sed 's/ 4134 4847//' | awk Christopher> '{print $NF}' | sort -n | uniq Christopher> 174 - Cogent Christopher> 209 - Qwest Christopher> 286 - KPN Christopher> 1273 - Vodafone Christopher> 1299 - Telia Christopher> 2497 - IIJ Christopher> 2516 - KDDI Christopher> 2914 - NTT Christopher> 3257 - GTT Christopher> 3303 - Swisscom Christopher> 3491 - PCCW Christopher> 4637 - Telstra Christopher> 6453 - TATA Christopher> 7018 - ATT Christopher> 9002 - RETN Christopher> 11164 - Internet2 Christopher> It'd be great if the listed folk could filter AS4134 :) Christopher> -Chris -- Pierfrancesco Caci, ik5pvx