Possible BGP hijack

Beginning at 2022-05-04 11:04:19 UTC, we detected a possible BGP hijack.

Prefix 78.138.4.0/22, is normally announced by AS6762 SEABONE-NET TELECOM ITALIA SPARKLE S.p.A., IT.

But beginning at 2022-05-04 11:04:19, the same prefix (78.138.4.0/22) was also announced by ASN 25228.

This was detected by 104 BGPMon peers.

Expected
Start time: 2022-05-04 11:04:19 UTC
Expected prefix: 78.138.4.0/22
Expected ASN: 6762 (SEABONE-NET TELECOM ITALIA SPARKLE S.p.A., IT)
Event Details
Detected advertisement: 78.138.4.0/22
Detected Origin ASN 25228 (SKYVISION, GB)
Detected AS Path 203507 3223 57731 25228
Detected by number of BGPMon peers: 104

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