bgpto.me
IP PREFIX

166.171.120.0/22

Originated by AS20057 · ATT-MOBILITY-LLC-AS20057 - AT&T Enterprises, LLC

AnnouncedUSARIN
WEBSITE PREVIEWNo public website in RIPE or PeeringDBAS20057

RPKI & ROA validation

CURRENT STATE

valid

No matching VRP was returned by RIPE Routinator.

ROA prefixOriginMax lengthStatus
166.171.120.0/22AS20057/22valid
166.171.64.0/18AS20057/18invalid_length
166.170.0.0/15AS7018/15invalid_length

Routing registry consistency

166.171.0.0/17AS20057 — ATT-MOBILITY-LLC-AS20057 - AT&T Enterprises, LLCNot in BGPLEVEL3
166.171.120.0/22AS20057 — ATT-MOBILITY-LLC-AS20057 - AT&T Enterprises, LLCSeen in BGPARIN
166.171.64.0/18AS20057 — ATT-MOBILITY-LLC-AS20057 - AT&T Enterprises, LLCSeen in BGPARIN
166.170.0.0/15AS7018 — ATT-INTERNET4 - AT&T Enterprises, LLCSeen in BGPARIN
166.171.0.0/16AS20057 — ATT-MOBILITY-LLC-AS20057 - AT&T Enterprises, LLCNot in BGPLEVEL3

Recent RPKI history

DateCovered prefixVRPsMax length
02/10/2026166.171.120.0/221/22
01/10/2026166.171.120.0/221/22
30/09/2026166.171.120.0/221/22
29/09/2026166.171.120.0/221/22
28/09/2026166.171.120.0/221/22
27/09/2026166.171.120.0/221/22
26/09/2026166.171.120.0/221/22
25/09/2026166.171.120.0/221/22
24/09/2026166.171.120.0/221/22
23/09/2026166.171.120.0/221/22
22/09/2026166.171.120.0/221/22
21/09/2026166.171.120.0/221/22