Possible BGP hijack

Beginning at 2019-06-23 09:19:57, we detected a possible BGP hijack.

Prefix 163.44.128.0/19, Normally announced by AS59349 GMO-Z-COM GMO-Z.COM PTE. LTD., SG

Starting at 2019-06-23 09:19:57, a more specific route (163.44.136.0/24) was announced by ASN 7506.

This was detected by 134 BGPMon peers.

Expected
Start time: 2019-06-23 09:19:57 UTC
Expected prefix: 163.44.128.0/19
Expected ASN: 59349 (GMO-Z-COM GMO-Z.COM PTE. LTD., SG)
Event Details
Detected advertisement: 163.44.136.0/24
Detected Origin ASN 7506 (INTERQ GMO Internet,Inc, JP)
Detected AS Path 394497 3356 2914 2518 58786 7506
Detected by number of BGPMon peers: 134

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