66.187.224.0/20 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 |
|---|---|---|---|---|---|
| AS22360 Red Hat, Inc. | no ROA | 28 | 3772117422360 | 2026-09-18 | 2026-10-28 |
| AS22753 Red Hat, Inc. | no ROA | 14 | 3454964614688722753 | 2026-09-18 | 2026-10-28 |
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
- 66.187.224.0/20
- RIR
- ARIN
- Country
- 🇺🇸 US
- Status
- allocated
- Allocated
- 2001-11-13
Less specific routes
Announced prefixes that contain this one
Nothing less specific is announced.
More specific routes
6 announced prefixes inside this one
| Prefix | Origin | RPKI | Peers | First seen |
|---|---|---|---|---|
| 66.187.224.0/21 v4 | AS22753 Red Hat, Inc. | no ROA | 43 | 2026-09-18 |
| 66.187.232.0/21 v4 | AS22753 Red Hat, Inc. | no ROA | 43 | 2026-09-18 |
| 66.187.232.0/23 v4 | AS22753 Red Hat, Inc. | no ROA | 43 | 2026-09-18 |
| 66.187.233.0/24 v4 | AS22753 Red Hat, Inc. | no ROA | 43 | 2026-09-18 |
| 66.187.234.0/24 v4 | AS22360 Red Hat, Inc. | no ROA | 42 | 2026-09-18 |
| 66.187.235.0/24 v4 | AS22360 Red Hat, Inc. | no ROA | 42 | 2026-09-18 |
Recorded changes
| When | Change | Origin | Path |
|---|---|---|---|
| 2026-10-25 05:21:26Z | origin change | AS22753 → AS22360 | 32884032772717422360 |
| 2026-10-24 17:23:32Z | origin change | AS22360 → AS22753 | 85264614688722753 |
| 2026-10-24 13:09:34Z | origin change | AS22753 → AS22360 | 1763917422360 |
| 2026-10-23 14:39:45Z | origin change | AS22360 → AS22753 | 599191277964614688722753 |
| 2026-10-23 09:22:02Z | origin change | AS22753 → AS22360 | 5782112586325717422360 |
| 2026-10-23 06:30:59Z | origin change | AS22360 → AS22753 | 29504393923389164614688722753 |
| 2026-10-23 05:43:47Z | origin change | AS22753 → AS22360 | 46087575129917422360 |
| 2026-10-23 00:01:39Z | origin change | AS22360 → AS22753 | 573814270864614688722753 |
| 2026-10-22 22:10:17Z | origin change | AS22753 → AS22360 | 5738150304129917422360 |
| 2026-10-22 22:09:38Z | origin change | AS22360 → AS22753 | 573814270864614688722753 |
| 2026-10-21 21:03:40Z | origin change | AS22753 → AS22360 | 496731238917422360 |
| 2026-10-21 16:11:04Z | origin change | AS22360 → AS22753 | 61218693964614688722753 |
| 2026-10-21 12:21:58Z | origin change | AS22753 → AS22360 | 1763917422360 |
| 2026-10-20 21:48:45Z | origin change | AS22360 → AS22753 | 599191277964614688722753 |
| 2026-10-20 14:45:05Z | origin change | AS22753 → AS22360 | 46087575129917422360 |
| 2026-10-20 14:43:00Z | origin change | AS22360 → AS22753 | 46081221463764614688722753 |
| 2026-10-20 14:13:27Z | origin change | AS22753 → AS22360 | 46087575129917422360 |
| 2026-10-20 14:09:57Z | origin change | AS22360 → AS22753 | 46081221463764614688722753 |
| 2026-10-17 07:23:28Z | origin change | AS22753 → AS22360 | 32884032772717422360 |
| 2026-10-16 16:09:10Z | origin change | AS22360 → AS22753 | 2064993454964614688722753 |
| 2026-10-15 21:05:54Z | origin change | AS22360 → AS22753 | 140357764614688722753 |
| 2026-10-15 21:05:43Z | origin change | AS22753 → AS22360 | 32884032772717422360 |