Possible BGP hijack

Beginning at 2023-04-04 22:16:47 UTC, we detected a possible BGP hijack.

Prefix 162.120.21.0/24, is normally announced by AS199793 .

But beginning at 2023-04-04 22:16:47, the same prefix (162.120.21.0/24) was also announced by ASN 43197.

This was detected by 58 BGPMon peers.

Expected
Start time: 2023-04-04 22:16:47 UTC
Expected prefix: 162.120.21.0/24
Expected ASN: 199793 ()
Event Details
Detected advertisement: 162.120.21.0/24
Detected Origin ASN 43197 (TT-MOBILE-AS PJSC TT mobile, TJ)
Detected AS Path 205206 31133 43197
Detected by number of BGPMon peers: 58

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