bgptoIP PREFIX
166.136.0.0/16
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 prefix | Origin | Max length | Status |
|---|---|---|---|
| 166.136.0.0/16 | AS20057 | /24 | valid |
| 166.136.0.0/15 | AS7018 | /15 | invalid_length |
Routing registry consistency
| 166.136.0.0/15 | AS7018 — ATT-INTERNET4 - AT&T Enterprises, LLC | Seen in BGP | ARIN |
| 166.136.0.0/17 | AS20057 — ATT-MOBILITY-LLC-AS20057 - AT&T Enterprises, LLC | Not in BGP | LEVEL3 |
| 166.136.0.0/16 | AS20057 — ATT-MOBILITY-LLC-AS20057 - AT&T Enterprises, LLC | Seen in BGP | LEVEL3, ARIN |
| 166.136.128.0/17 | AS20057 — ATT-MOBILITY-LLC-AS20057 - AT&T Enterprises, LLC | Not in BGP | LEVEL3 |
| 166.136.176.0/24 | AS20057 — ATT-MOBILITY-LLC-AS20057 - AT&T Enterprises, LLC | Seen in BGP | No IRR source |
| 166.136.174.0/23 | AS20057 — ATT-MOBILITY-LLC-AS20057 - AT&T Enterprises, LLC | Seen in BGP | No IRR source |
| 166.136.112.0/22 | AS20057 — ATT-MOBILITY-LLC-AS20057 - AT&T Enterprises, LLC | Seen in BGP | No IRR source |
| 166.136.212.0/22 | AS20057 — ATT-MOBILITY-LLC-AS20057 - AT&T Enterprises, LLC | Seen in BGP | No IRR source |
| 166.136.164.0/22 | AS20057 — ATT-MOBILITY-LLC-AS20057 - AT&T Enterprises, LLC | Seen in BGP | No IRR source |
| 166.136.150.0/23 | AS20057 — ATT-MOBILITY-LLC-AS20057 - AT&T Enterprises, LLC | Seen in BGP | No IRR source |
| 166.136.173.0/24 | AS20057 — ATT-MOBILITY-LLC-AS20057 - AT&T Enterprises, LLC | Seen in BGP | No IRR source |
| 166.136.162.0/24 | AS20057 — ATT-MOBILITY-LLC-AS20057 - AT&T Enterprises, LLC | Seen in BGP | No IRR source |
| 166.136.192.0/22 | AS20057 — ATT-MOBILITY-LLC-AS20057 - AT&T Enterprises, LLC | Seen in BGP | No IRR source |
| 166.136.170.0/23 | AS20057 — ATT-MOBILITY-LLC-AS20057 - AT&T Enterprises, LLC | Seen in BGP | No IRR source |
Recent RPKI history
| Date | Covered prefix | VRPs | Max length |
|---|---|---|---|
| 03/10/2026 | 166.136.0.0/16 | 1 | /24 |
| 02/10/2026 | 166.136.0.0/16 | 1 | /24 |
| 01/10/2026 | 166.136.0.0/16 | 1 | /24 |
| 30/09/2026 | 166.136.0.0/16 | 1 | /24 |
| 29/09/2026 | 166.136.0.0/16 | 1 | /24 |
| 28/09/2026 | 166.136.0.0/16 | 1 | /24 |
| 27/09/2026 | 166.136.0.0/16 | 1 | /24 |
| 26/09/2026 | 166.136.0.0/16 | 1 | /24 |
| 25/09/2026 | 166.136.0.0/16 | 1 | /24 |
| 24/09/2026 | 166.136.0.0/16 | 1 | /24 |
| 23/09/2026 | 166.136.0.0/16 | 1 | /24 |
| 22/09/2026 | 166.136.0.0/16 | 1 | /24 |