Possible BGP hijack

Beginning at 2018-11-17 20:51:02, we detected a possible BGP hijack.

Prefix 24.171.192.0/18, Normally announced by AS7018 AT&T Services, Inc.

Starting at 2018-11-17 20:51:02, a more specific route (24.171.214.0/24) was announced by ASN 36423.

This was detected by 200 BGPMon peers.

Expected
Start time: 2018-11-17 20:51:02 UTC
Expected prefix: 24.171.192.0/18
Expected ASN: 7018 (AT&T Services, Inc.)
Event Details
Detected advertisement: 24.171.214.0/24
Detected Origin ASN 36423 (San Juan Cable, LLC)
Detected AS Path 34279 6830 23520 36423
Detected by number of BGPMon peers: 200

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