Possible BGP hijack

Beginning at 2018-11-05 16:04:03 UTC, we detected a possible BGP hijack.

Prefix, is normally announced by AS131625 YUFENG-AS-TW Yu-Feng Technology Co. Ltd., TW.

But beginning at 2018-11-05 16:04:03, the same prefix ( was also announced by ASN 138145.

This was detected by 197 BGPMon peers.

Start time: 2018-11-05 16:04:03 UTC
Expected prefix:
Expected ASN: 131625 (YUFENG-AS-TW Yu-Feng Technology Co. Ltd., TW)
Event Details
Detected advertisement:
Detected Origin ASN 138145 (ADVANCED-AS-AP Advanced Information Company Limited, HK)
Detected AS Path 206626 25577 2914 17408 131613 138145
Detected by number of BGPMon peers: 197

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