164.156.20.0/22 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 |
|---|---|---|---|---|---|
| AS10753 Level 3 Parent, LLC | no ROA | 23 | 37721335610753 | 2026-09-18 | 2026-10-10 |
| AS18756 Level 3 Parent, LLC | no ROA | 21 | 50300335618756 | 2026-10-06 | 2026-10-10 |
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
- 164.156.0.0/16
- RIR
- ARIN
- Country
- 🇺🇸 US
- Status
- allocated
- Allocated
- 1993-03-19
Less specific routes
Announced prefixes that contain this one
| Prefix | Origin | RPKI | Peers | Sample path | First seen |
|---|---|---|---|---|---|
| 164.156.0.0/16 v4 | AS18756 Level 3 Parent, LLC | no ROA | 21 | 50300335618756 | 2026-10-06 |
| 164.156.0.0/16 v4 | AS10753 Level 3 Parent, LLC | no ROA | 23 | 37721335610753 | 2026-09-18 |
More specific routes
0 announced prefixes inside this one
Nothing more specific is announced.
Recorded changes
| When | Change | Origin | Path |
|---|---|---|---|
| 2026-10-10 08:42:34Z | origin change | AS10753 → AS18756 | 8523257335618756 |
| 2026-10-09 04:04:36Z | origin change | AS18756 → AS10753 | 557202914335610753 |
| 2026-10-09 02:40:18Z | origin change | AS10753 → AS18756 | 29504393921299335618756 |
| 2026-10-09 01:44:59Z | origin change | AS18756 → AS10753 | 29504393921299335610753 |
| 2026-10-09 01:04:14Z | origin change | AS10753 → AS18756 | 557206939335618756 |
| 2026-10-08 23:11:00Z | origin change | AS18756 → AS10753 | 48185335610753 |
| 2026-10-08 22:51:12Z | origin change | AS10753 → AS18756 | 48185335618756 |
| 2026-10-08 22:36:26Z | origin change | AS18756 → AS10753 | 14907335610753 |
| 2026-10-08 22:35:45Z | origin change | AS18756 → AS10753 | 328840327727174335610753 |
| 2026-10-08 22:35:29Z | origin change | AS10753 → AS18756 | 7018335618756 |
| 2026-10-08 22:35:21Z | origin change | AS10753 → AS18756 | 1403577335618756 |
| 2026-10-08 22:34:32Z | origin change | AS18756 → AS10753 | 132825335610753 |
| 2026-10-08 22:33:34Z | origin change | AS10753 → AS18756 | 349271299335618756 |
| 2026-10-08 22:02:55Z | origin change | AS18756 → AS10753 | 29504393921299335610753 |
| 2026-10-08 17:55:17Z | origin change | AS10753 → AS18756 | 612186939335618756 |
| 2026-10-08 17:42:42Z | origin change | AS18756 → AS10753 | 557206939335610753 |
| 2026-10-08 11:59:42Z | origin change | AS10753 → AS18756 | 29504393921299335618756 |
| 2026-10-08 11:36:58Z | origin change | AS18756 → AS10753 | 37721335610753 |
| 2026-10-08 08:18:00Z | origin change | AS10753 → AS18756 | 49134533566939335618756 |
| 2026-10-08 08:17:59Z | origin change | AS18756 → AS10753 | 34927566556939335610753 |
| 2026-10-08 08:17:58Z | origin change | AS10753 → AS18756 | 202056939335618756 |
| 2026-10-08 08:16:09Z | origin change | AS18756 → AS10753 | 33333320335610753 |
| 2026-10-08 08:15:54Z | origin change | AS10753 → AS18756 | 34927566556939335618756 |
| 2026-10-08 08:15:52Z | origin change | AS18756 → AS10753 | 612186939335610753 |
| 2026-10-08 05:51:31Z | origin change | AS10753 → AS18756 | 202056939335618756 |
| 2026-10-08 04:06:54Z | origin change | AS10753 → AS18756 | 34927566556939335618756 |
| 2026-10-08 04:06:54Z | origin change | AS18756 → AS10753 | 34927566551299335610753 |
| 2026-10-08 04:06:44Z | origin change | AS18756 → AS10753 | 202056939335610753 |
| 2026-10-08 03:46:53Z | origin change | AS10753 → AS18756 | 29504393921299335618756 |
| 2026-10-08 03:26:00Z | origin change | AS18756 → AS10753 | 29504393921299335610753 |
| 2026-10-08 02:57:00Z | origin change | AS10753 → AS18756 | 29504393921299335618756 |
| 2026-10-08 02:48:59Z | origin change | AS18756 → AS10753 | 29504393921299335610753 |
| 2026-10-08 02:47:44Z | origin change | AS10753 → AS18756 | 29504393921299335618756 |
| 2026-10-08 00:25:19Z | origin change | AS18756 → AS10753 | 557206939335610753 |
| 2026-10-08 00:00:45Z | origin change | AS10753 → AS18756 | 557206939335618756 |
| 2026-10-07 21:48:54Z | origin change | AS18756 → AS10753 | 29504393921299335610753 |
| 2026-10-07 17:58:01Z | origin change | AS10753 → AS18756 | 202056939335618756 |
| 2026-10-07 17:57:46Z | origin change | AS18756 → AS10753 | 557206939335610753 |
| 2026-10-07 17:55:10Z | origin change | AS10753 → AS18756 | 49134533566939335618756 |
| 2026-10-07 14:00:08Z | origin change | AS18756 → AS10753 | 37721335610753 |
| 2026-10-06 11:07:42Z | origin change | AS10753 → AS18756 | 8523257335618756 |
| 2026-10-06 11:05:07Z | origin change | AS18756 → AS10753 | 14907335610753 |
| 2026-10-06 07:08:04Z | origin change | AS10753 → AS18756 | 20236550673174335618756 |
| 2026-10-06 07:06:56Z | origin change | AS18756 → AS10753 | 328840327727174335610753 |
| 2026-10-06 07:05:01Z | origin change | AS10753 → AS18756 | 50300335618756 |
| 2026-10-06 07:04:22Z | origin change | AS18756 → AS10753 | 49432483621764335610753 |
| 2026-10-06 07:04:04Z | origin change | AS10753 → AS18756 | 22652174335618756 |
| 2026-10-06 07:03:58Z | origin change | AS18756 → AS10753 | 3549335610753 |
| 2026-10-06 07:03:50Z | origin change | AS10753 → AS18756 | 205141299335618756 |
| 2026-10-06 07:03:48Z | origin change | AS18756 → AS10753 | 17639335610753 |