Possible BGP hijack

Beginning at 2020-07-30 01:35:55, we detected a possible BGP hijack.

Prefix 166.48.0.0/17, Normally announced by AS22423 ALTIMA-TELECOM, CA

Starting at 2020-07-30 01:35:55, a more specific route (166.48.64.0/18) was announced by ASN 10990.

This was detected by 42 BGPMon peers.

Expected
Start time: 2020-07-30 01:35:55 UTC
Expected prefix: 166.48.0.0/17
Expected ASN: 22423 (ALTIMA-TELECOM, CA)
Event Details
Detected advertisement: 166.48.64.0/18
Detected Origin ASN 10990 (ATLDC, US)
Detected AS Path 11170 6939 1299 7219 10990
Detected by number of BGPMon peers: 42

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