164.156.16.0/23 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 | 43 | 37721335610753 | 2026-09-18 | 2026-10-21 |
| AS18756 Level 3 Parent, LLC | no ROA | 1 | 2132419002335618756 | 2026-10-06 | 2026-10-21 |
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 | AS10753 Level 3 Parent, LLC | no ROA | 43 | 37721335610753 | 2026-09-18 |
| 164.156.0.0/16 v4 | AS18756 Level 3 Parent, LLC | no ROA | 1 | 2132419002335618756 | 2026-10-06 |
More specific routes
0 announced prefixes inside this one
Nothing more specific is announced.
Recorded changes
| When | Change | Origin | Path |
|---|---|---|---|
| 2026-10-21 04:23:07Z | origin change | AS10753 → AS18756 | 503041299335618756 |
| 2026-10-21 04:22:58Z | origin change | AS18756 → AS10753 | 34927566556939335610753 |
| 2026-10-21 04:21:38Z | origin change | AS10753 → AS18756 | 13830971335618756 |
| 2026-10-20 21:21:10Z | origin change | AS18756 → AS10753 | 22652174335610753 |
| 2026-10-20 21:19:13Z | origin change | AS10753 → AS18756 | 1403577335618756 |
| 2026-10-20 21:09:40Z | origin change | AS18756 → AS10753 | 14907335610753 |
| 2026-10-20 21:09:33Z | origin change | AS10753 → AS18756 | 34927566556939335618756 |
| 2026-10-20 21:09:29Z | origin change | AS18756 → AS10753 | 13830971335610753 |
| 2026-10-20 21:08:59Z | origin change | AS10753 → AS18756 | 557202914335618756 |
| 2026-10-20 21:08:26Z | origin change | AS18756 → AS10753 | 7018335610753 |
| 2026-10-20 21:08:24Z | origin change | AS10753 → AS18756 | 4504966962914335618756 |
| 2026-10-20 21:08:19Z | origin change | AS18756 → AS10753 | 244822914335610753 |
| 2026-10-20 21:07:28Z | origin change | AS10753 → AS18756 | 58057345492914335618756 |
| 2026-10-20 17:13:39Z | origin change | AS18756 → AS10753 | 328840327727174335610753 |
| 2026-10-20 16:13:14Z | origin change | AS10753 → AS18756 | 7018335618756 |
| 2026-10-20 16:13:10Z | origin change | AS18756 → AS10753 | 34927566556939335610753 |
| 2026-10-20 16:13:04Z | origin change | AS10753 → AS18756 | 13830971335618756 |
| 2026-10-20 00:44:00Z | origin change | AS10753 → AS18756 | 34927566556939335618756 |
| 2026-10-20 00:43:59Z | origin change | AS18756 → AS10753 | 13830971335610753 |
| 2026-10-19 22:02:34Z | origin change | AS18756 → AS10753 | 49432483629002335610753 |
| 2026-10-19 21:46:33Z | origin change | AS10753 → AS18756 | 226521299335618756 |
| 2026-10-19 21:03:59Z | origin change | AS18756 → AS10753 | 49432483621764335610753 |
| 2026-10-19 11:39:37Z | origin change | AS10753 → AS18756 | 13830971335618756 |
| 2026-10-19 05:12:09Z | origin change | AS18756 → AS10753 | 17639335610753 |
| 2026-10-19 05:03:14Z | origin change | AS10753 → AS18756 | 14907335618756 |
| 2026-10-19 04:34:27Z | origin change | AS18756 → AS10753 | 17639335610753 |
| 2026-10-19 04:26:31Z | origin change | AS10753 → AS18756 | 49134533566939335618756 |
| 2026-10-16 13:17:05Z | origin change | AS18756 → AS10753 | 17639335610753 |
| 2026-10-16 09:01:59Z | origin change | AS10753 → AS18756 | 496733216335618756 |
| 2026-10-16 06:32:04Z | origin change | AS18756 → AS10753 | 328840327727174335610753 |
| 2026-10-16 03:10:36Z | origin change | AS10753 → AS18756 | 496733216335618756 |
| 2026-10-16 01:33:17Z | origin change | AS18756 → AS10753 | 328840327727174335610753 |
| 2026-10-15 21:06:34Z | origin change | AS10753 → AS18756 | 1403577335618756 |
| 2026-10-15 21:05:35Z | origin change | AS18756 → AS10753 | 349271299335610753 |
| 2026-10-15 21:04:01Z | origin change | AS10753 → AS18756 | 22652174335618756 |
| 2026-10-15 09:20:55Z | origin change | AS18756 → AS10753 | 21628582806762335610753 |
| 2026-10-15 08:13:10Z | origin change | AS10753 → AS18756 | 29504393921299335618756 |
| 2026-10-15 08:04:05Z | origin change | AS18756 → AS10753 | 3549335610753 |
| 2026-10-15 08:03:03Z | origin change | AS10753 → AS18756 | 460812214637335618756 |
| 2026-10-15 00:10:01Z | origin change | AS18756 → AS10753 | 328840327727174335610753 |
| 2026-10-14 22:12:53Z | origin change | AS10753 → AS18756 | 496733216335618756 |
| 2026-10-14 18:04:00Z | origin change | AS18756 → AS10753 | 21628582806762335610753 |
| 2026-10-14 14:27:01Z | origin change | AS10753 → AS18756 | 49134533566939335618756 |
| 2026-10-14 05:29:36Z | origin change | AS18756 → AS10753 | 379895630013213246579002335610753 |
| 2026-10-14 05:08:58Z | origin change | AS10753 → AS18756 | 557202914335618756 |
| 2026-10-13 20:48:34Z | origin change | AS18756 → AS10753 | 328840327727174335610753 |
| 2026-10-13 19:32:48Z | origin change | AS10753 → AS18756 | 496733216335618756 |
| 2026-10-13 11:11:51Z | origin change | AS18756 → AS10753 | 8523257335610753 |
| 2026-10-13 11:07:22Z | origin change | AS10753 → AS18756 | 14907335618756 |
| 2026-10-11 20:43:06Z | origin change | AS18756 → AS10753 | 328840327727174335610753 |