Possible BGP hijack

Beginning at 2021-04-29 16:58:18 UTC, we detected a possible BGP hijack.

Prefix 77.90.179.0/24, is normally announced by AS42821 RAPIDNET-DE Haunstetter Str. 19, DE.

But beginning at 2021-04-29 16:58:18, the same prefix (77.90.179.0/24) was also announced by ASN 51559.

This was detected by 10 BGPMon peers.

Expected
Start time: 2021-04-29 16:58:18 UTC
Expected prefix: 77.90.179.0/24
Expected ASN: 42821 (RAPIDNET-DE Haunstetter Str. 19, DE)
Event Details
Detected advertisement: 77.90.179.0/24
Detected Origin ASN 51559 (NETINTERNET Netinternet Bilisim Teknolojileri AS, TR)
Detected AS Path 28140 3356 1299 9121 9121 51559
Detected by number of BGPMon peers: 10

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