Hi, c0f:f618::/32 originated from AS327814 is announcing via Cogent for several weeks. I've tried to contact Cogent and AS327814 but didn't receive any reply. Tue Jul 10 17:52:48.602 UTC BGP routing table entry for c0f:f618::/32 Versions: Process bRIB/RIB SendTblVer Speaker 76403269 76403269 Local Label: 61339 Last Modified: Jul 3 13:31:40.815 for 1w0d Paths: (1 available, best #1) Advertised to peers (in unique update groups): 38.5.0.99 Path #1: Received by speaker 0 Advertised to peers (in unique update groups): 38.5.0.99 327814 2001:550:0:1000::261c:166 (metric 119060) from 2001:550:0:1000::261c:153 (38.28.1.102) Origin incomplete, localpref 130, valid, internal, best, group-best Received Path ID 0, Local Path ID 0, version 76403269 Community: 174:11100 174:20999 174:21101 174:22012 Originator: 38.28.1.102, Cluster list: 38.28.1.83, 38.28.1.67, 38.28.1.92