66.136.0.0/13 no ROA
Announced by AS7018 AT&T Enterprises, LLC.
Origin
| Origin AS | RPKI | Peers seeing it | Sample path | First seen | Last seen |
|---|---|---|---|---|---|
| AS7018 AT&T Enterprises, LLC | no ROA | 41 | 345491747018 | 2026-09-18 | 2026-09-19 |
RPKI
No ROA covers this prefix
No ROA covers this prefix, so origin validation returns "unknown". That is not a fault; most of the table is still unsigned.
Registry
Who this address space is delegated to, regardless of whether it is routed
- Delegated block
- 66.136.0.0/13
- RIR
- ARIN
- Country
- 🇺🇸 US
- Status
- allocated
- Allocated
- 2001-06-05
Less specific routes
Announced prefixes that contain this one
Nothing less specific is announced.
More specific routes
12 announced prefixes inside this one
| Prefix | Origin | RPKI | Peers | First seen |
|---|---|---|---|---|
| 66.136.40.0/24 v4 | AS18674 Frost Bank | no ROA | 40 | 2026-09-18 |
| 66.136.112.0/24 v4 | AS32505 Conterra | no ROA | 45 | 2026-09-18 |
| 66.138.158.0/24 v4 | AS4917 AMDOCS Inc. | no ROA | 42 | 2026-09-18 |
| 66.138.250.0/24 v4 | AS46511 UNIVERSAL HEALTH SERVICES | no ROA | 44 | 2026-09-18 |
| 66.139.27.0/24 v4 | AS395238 Brazosport Independent School District | no ROA | 41 | 2026-09-18 |
| 66.140.111.0/24 v4 | AS10421 Texas Tech University | no ROA | 42 | 2026-09-18 |
| 66.141.192.0/23 v4 | AS400218 Cherokee Nation Government | no ROA | 43 | 2026-09-18 |
| 66.141.233.0/24 v4 | AS29790 New Liberty Hospital District of Clay County, Missouri | no ROA | 47 | 2026-09-18 |
| 66.142.195.0/24 v4 | AS27268 The Chickasaw Nation | no ROA | 42 | 2026-09-18 |
| 66.142.244.0/24 v4 | AS46202 Michaels Stores, Inc. | no ROA | 39 | 2026-09-18 |
| 66.142.245.0/24 v4 | AS11427 Charter Communications Inc | no ROA | 44 | 2026-09-18 |
| 66.143.174.0/24 v4 | AS5671 AT&T Enterprises, LLC | no ROA | 42 | 2026-09-18 |