Possible BGP hijack

Beginning at 2017-04-08 17:09:08, we detected a possible BGP hijack.

Prefix 172.0.0.0/12, Normally announced by AS7018 AT&T Services, Inc.

Starting at 2017-04-08 17:09:08, a more specific route (172.1.5.0/24) was announced by ASN 9911.

This was detected by 164 BGPMon peers.

Expected
Start time: 2017-04-08 17:09:08 UTC
Expected prefix: 172.0.0.0/12
Expected ASN: 7018 (AT&T Services, Inc.)
Event Details
Detected advertisement: 172.1.5.0/24
Detected Origin ASN 9911 (Singapore Telecom)
Detected AS Path 196866 24724 1299 7473 3758 9911 9911 9911 9911 9911
Detected by number of BGPMon peers: 164

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