IP PREFIX
155.166.16.0/22
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 prefix | Origin | Max length | Status |
|---|---|---|---|
| 155.166.16.0/22 | AS20057 | /22 | valid |
| 155.166.0.0/17 | AS20057 | /17 | invalid_length |
| 155.166.0.0/16 | AS7018 | /16 | invalid_length |
Routing registry consistency
| 155.166.0.0/16 | AS7018 — ATT-INTERNET4 - AT&T Enterprises, LLC | Seen in BGP | ARIN |
| 155.166.0.0/17 | AS20057 — ATT-MOBILITY-LLC-AS20057 - AT&T Enterprises, LLC | Seen in BGP | LEVEL3, ARIN |
| 155.166.16.0/22 | AS20057 — ATT-MOBILITY-LLC-AS20057 - AT&T Enterprises, LLC | Seen in BGP | ARIN |
Recent RPKI history
| Date | Covered prefix | VRPs | Max length |
|---|---|---|---|
| 11/10/2026 | 155.166.16.0/22 | 1 | /22 |
| 10/10/2026 | 155.166.16.0/22 | 1 | /22 |
| 09/10/2026 | 155.166.16.0/22 | 1 | /22 |
| 08/10/2026 | 155.166.16.0/22 | 1 | /22 |
| 07/10/2026 | 155.166.16.0/22 | 1 | /22 |
| 06/10/2026 | 155.166.16.0/22 | 1 | /22 |
| 05/10/2026 | 155.166.16.0/22 | 1 | /22 |
| 04/10/2026 | 155.166.16.0/22 | 1 | /22 |
| 03/10/2026 | 155.166.16.0/22 | 1 | /22 |
| 02/10/2026 | 155.166.16.0/22 | 1 | /22 |
| 01/10/2026 | 155.166.16.0/22 | 1 | /22 |
| 30/09/2026 | 155.166.16.0/22 | 1 | /22 |