Possible BGP hijack

Beginning at 2020-09-14 12:11:04, we detected a possible BGP hijack.

Prefix 192.214.128.0/18, Normally announced by AS22423 ALTIMA-TELECOM, CA

Starting at 2020-09-14 12:11:04, a more specific route (192.214.160.0/19) was announced by ASN 1239.

This was detected by 143 BGPMon peers.

Expected
Start time: 2020-09-14 12:11:04 UTC
Expected prefix: 192.214.128.0/18
Expected ASN: 22423 (ALTIMA-TELECOM, CA)
Event Details
Detected advertisement: 192.214.160.0/19
Detected Origin ASN 1239 (SPRINTLINK, US)
Detected AS Path 18356 9931 4651 6939 1239
Detected by number of BGPMon peers: 143

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