Possible BGP hijack

Beginning at 2021-05-26 16:12:54, we detected a possible BGP hijack.

Prefix 172.0.0.0/12, Normally announced by AS7018 ATT-INTERNET4, US

Starting at 2021-05-26 16:12:54, a more specific route (172.10.13.0/24) was announced by ASN 18229.

This was detected by 61 BGPMon peers.

Expected
Start time: 2021-05-26 16:12:54 UTC
Expected prefix: 172.0.0.0/12
Expected ASN: 7018 (ATT-INTERNET4, US)
Event Details
Detected advertisement: 172.10.13.0/24
Detected Origin ASN 18229 (CTRLS-AS-IN CtrlS Datacenters Ltd., IN)
Detected AS Path 203086 29535 5511 6453 4755 18229
Detected by number of BGPMon peers: 61

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