Possible BGP hijack

Beginning at 2018-11-26 16:24:36, we detected a possible BGP hijack.

Prefix 172.81.120.0/21, Normally announced by AS21859 Zenlayer Inc

Starting at 2018-11-26 16:24:36, a more specific route (172.81.120.0/22) was announced by ASN 17639.

This was detected by 19 BGPMon peers.

Expected
Start time: 2018-11-26 16:24:36 UTC
Expected prefix: 172.81.120.0/21
Expected ASN: 21859 (Zenlayer Inc)
Event Details
Detected advertisement: 172.81.120.0/22
Detected Origin ASN 17639 (Converge ICT Solutions Inc.)
Detected AS Path 1126 24785 6939 17639
Detected by number of BGPMon peers: 19

Watch the replay of this event