Possible BGP hijack

Beginning at 2023-03-27 18:37:18, we detected a possible BGP hijack.

Prefix 154.29.104.0/21, Normally announced by AS1239 SPRINTLINK, US

Starting at 2023-03-27 18:37:18, a more specific route (154.29.108.0/22) was announced by ASN 26636.

This was detected by 60 BGPMon peers.

Expected
Start time: 2023-03-27 18:37:18 UTC
Expected prefix: 154.29.104.0/21
Expected ASN: 1239 (SPRINTLINK, US)
Event Details
Detected advertisement: 154.29.108.0/22
Detected Origin ASN 26636 (GBTCLOUD, US)
Detected AS Path 48200 1299 46261 26636
Detected by number of BGPMon peers: 60

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