Possible BGP hijack

Beginning at 2019-04-26 22:34:42 UTC, we detected a possible BGP hijack.

Prefix 136.228.218.0/24, is normally announced by AS137922 IBOSS-AS-AP IBOSS Inc., US.

But beginning at 2019-04-26 22:34:42, the same prefix (136.228.218.0/24) was also announced by ASN 43531.

This was detected by 77 BGPMon peers.

Expected
Start time: 2019-04-26 22:34:42 UTC
Expected prefix: 136.228.218.0/24
Expected ASN: 137922 (IBOSS-AS-AP IBOSS Inc., US)
Event Details
Detected advertisement: 136.228.218.0/24
Detected Origin ASN 43531 (IXREACH, GB)
Detected AS Path 49362 16637 43531
Detected by number of BGPMon peers: 77

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