Possible BGP hijack

Beginning at 2020-02-12 15:13:37, we detected a possible BGP hijack.

Prefix 103.238.180.0/22, Normally announced by AS137443 ANCHGLOBAL-AS-AP Anchnet Asia Limited, HK

Starting at 2020-02-12 15:13:37, a more specific route (103.238.180.0/24) was announced by ASN 263528.

This was detected by 15 BGPMon peers.

Expected
Start time: 2020-02-12 15:13:37 UTC
Expected prefix: 103.238.180.0/22
Expected ASN: 137443 (ANCHGLOBAL-AS-AP Anchnet Asia Limited, HK)
Event Details
Detected advertisement: 103.238.180.0/24
Detected Origin ASN 263528 (VIACOM NEXT GENERATION COMUNICACAO LTDA, BR)
Detected AS Path 8283 57866 3491 58453 7738 7738 52871 52871 52863 52863 52863 52863 263528
Detected by number of BGPMon peers: 15

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