Possible BGP hijack

Beginning at 2019-12-28 14:50:22, we detected a possible BGP hijack.

Prefix 172.0.0.0/12, Normally announced by AS7018 ATT-INTERNET4, US

Starting at 2019-12-28 14:50:22, a more specific route (172.10.10.0/24) was announced by ASN 27847.

This was detected by 148 BGPMon peers.

Expected
Start time: 2019-12-28 14:50:22 UTC
Expected prefix: 172.0.0.0/12
Expected ASN: 7018 (ATT-INTERNET4, US)
Event Details
Detected advertisement: 172.10.10.0/24
Detected Origin ASN 27847 (TecnologĂ­a Digital, DO)
Detected AS Path 15547 1299 23520 27847
Detected by number of BGPMon peers: 148

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