204.152.156.0/24 no ROA MOAS
Announced by 2 different origins, which is either a deliberate multi-origin setup or a hijack.
This prefix is announced by more than one AS. Compare how many collector
peers see each origin below: a hijack is usually visible as a second
origin seen by far fewer peers than the legitimate one.
Origins
| Origin AS | RPKI | Peers seeing it | Sample path | First seen | Last seen |
|---|---|---|---|---|---|
| AS33491 Comcast Cable Communications, LLC | no ROA | 42 | 37721335633491 | 2026-09-18 | 2026-10-23 |
| AS2386 AT&T Enterprises, LLC | no ROA | 2 | 70182386 | 2026-09-18 | 2026-10-23 |
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
- 204.152.156.0/22
- RIR
- ARIN
- Country
- 🇺🇸 US
- Status
- allocated
- Allocated
- 1996-01-24
Less specific routes
Announced prefixes that contain this one
Nothing less specific is announced.
More specific routes
0 announced prefixes inside this one
Nothing more specific is announced.
Recorded changes
| When | Change | Origin | Path |
|---|---|---|---|
| 2026-10-23 04:32:39Z | origin change | AS2386 → AS33491 | 33333320792233491 |
| 2026-10-23 04:30:08Z | origin change | AS33491 → AS2386 | 3333332070182386 |
| 2026-10-21 00:39:53Z | origin change | AS2386 → AS33491 | 1403577792233491 |
| 2026-10-21 00:39:29Z | origin change | AS33491 → AS2386 | 295043939217470182386 |
| 2026-10-20 21:18:26Z | origin change | AS2386 → AS33491 | 328840327727174792233491 |
| 2026-10-20 21:18:09Z | origin change | AS33491 → AS2386 | 295043939217470182386 |
| 2026-10-20 21:18:07Z | origin change | AS2386 → AS33491 | 29504393921299792233491 |
| 2026-10-20 21:17:49Z | origin change | AS33491 → AS2386 | 2023655067317470182386 |
| 2026-10-20 14:12:45Z | origin change | AS2386 → AS33491 | 33333320792233491 |
| 2026-10-20 14:12:15Z | origin change | AS33491 → AS2386 | 3333332070182386 |
| 2026-10-20 05:07:52Z | origin change | AS2386 → AS33491 | 20236550673174792233491 |
| 2026-10-20 02:24:26Z | origin change | AS33491 → AS2386 | 295043939217470182386 |
| 2026-10-20 02:24:24Z | origin change | AS2386 → AS33491 | 29504393921299792233491 |
| 2026-10-20 02:24:16Z | origin change | AS33491 → AS2386 | 2023655067317470182386 |
| 2026-10-20 01:57:40Z | origin change | AS2386 → AS33491 | 1403577792233491 |
| 2026-10-20 00:05:42Z | origin change | AS33491 → AS2386 | 2162858280676270182386 |
| 2026-10-19 11:58:15Z | origin change | AS2386 → AS33491 | 2950439392174792233491 |
| 2026-10-19 11:56:49Z | origin change | AS33491 → AS2386 | 2023655067317470182386 |
| 2026-10-19 11:56:49Z | origin change | AS33491 → AS2386 | 2064993454917470182386 |
| 2026-10-19 11:56:47Z | origin change | AS2386 → AS33491 | 29504393921299792233491 |
| 2026-10-19 11:39:37Z | origin change | AS2386 → AS33491 | 13830971335633491 |
| 2026-10-19 11:35:38Z | origin change | AS33491 → AS2386 | 295043939217470182386 |
| 2026-10-19 11:35:36Z | origin change | AS2386 → AS33491 | 29504393921299792233491 |
| 2026-10-19 11:35:15Z | origin change | AS33491 → AS2386 | 2023655067317470182386 |
| 2026-10-15 13:49:35Z | origin change | AS2386 → AS33491 | 49432483621764335633491 |
| 2026-10-15 09:21:02Z | origin change | AS33491 → AS2386 | 2162858280676270182386 |
| 2026-10-14 20:15:18Z | origin change | AS2386 → AS33491 | 29504393921299792233491 |
| 2026-10-14 18:04:07Z | origin change | AS33491 → AS2386 | 2162858280676270182386 |
| 2026-10-11 00:45:00Z | origin change | AS2386 → AS33491 | 496733216335633491 |
| 2026-10-11 00:30:00Z | origin change | AS33491 → AS2386 | 2162858280676270182386 |