Possible BGP hijack

Beginning at 2023-08-18 23:13:43, we detected a possible BGP hijack.

Prefix, Normally announced by AS7018 ATT-INTERNET4, US

Starting at 2023-08-18 23:13:43, a more specific route ( was announced by ASN 25308.

This was detected by 6 BGPMon peers.

Start time: 2023-08-18 23:13:43 UTC
Expected prefix:
Expected ASN: 7018 (ATT-INTERNET4, US)
Event Details
Detected advertisement:
Detected Origin ASN 25308 (CITYLAN-AS, RU)
Detected AS Path 49673 25308
Detected by number of BGPMon peers: 6

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