38.64.204.0/22 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 |
|---|---|---|---|---|---|
| AS174 Cogent Communications, LLC | no ROA | 26 | 37721174 | 2026-09-18 | 2026-10-13 |
| AS47027 Seaside Communications, Inc. | no ROA | 14 | 2265281247027 | 2026-09-18 | 2026-10-13 |
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
- 38.0.0.0/8
- RIR
- ARIN
- Country
- 🇺🇸 US
- Status
- allocated
- Allocated
- 1991-04-16
Less specific routes
Announced prefixes that contain this one
| Prefix | Origin | RPKI | Peers | Sample path | First seen |
|---|---|---|---|---|---|
| 38.0.0.0/8 v4 | AS174 Cogent Communications, LLC | no ROA | 43 | 34549174 | 2026-09-18 |
More specific routes
4 announced prefixes inside this one
| Prefix | Origin | RPKI | Peers | First seen |
|---|---|---|---|---|
| 38.64.204.0/24 v4 | AS174 Cogent Communications, LLC | no ROA | 42 | 2026-09-18 |
| 38.64.205.0/24 v4 | AS174 Cogent Communications, LLC | no ROA | 42 | 2026-09-18 |
| 38.64.206.0/24 v4 | AS174 Cogent Communications, LLC | no ROA | 42 | 2026-09-18 |
| 38.64.207.0/24 v4 | AS174 Cogent Communications, LLC | no ROA | 42 | 2026-09-18 |
Recorded changes
| When | Change | Origin | Path |
|---|---|---|---|
| 2026-10-12 05:58:15Z | origin change | AS47027 → AS174 | 460875752914174 |
| 2026-10-10 19:42:24Z | origin change | AS47027 → AS174 | 328840327727174 |
| 2026-10-10 19:33:58Z | origin change | AS174 → AS47027 | 481856461812470274702747027 |
| 2026-10-09 04:02:48Z | origin change | AS47027 → AS174 | 557202914174 |
| 2026-10-09 03:29:57Z | origin change | AS174 → AS47027 | 557203257812470274702747027 |
| 2026-10-08 22:37:35Z | origin change | AS47027 → AS174 | 33331273174 |
| 2026-10-08 22:35:43Z | origin change | AS174 → AS47027 | 35493356812470274702747027 |
| 2026-10-08 22:35:33Z | origin change | AS47027 → AS174 | 328840327727174 |
| 2026-10-08 22:35:33Z | origin change | AS174 → AS47027 | 1403577812470274702747027 |
| 2026-10-08 22:35:23Z | origin change | AS47027 → AS174 | 460875751299174 |
| 2026-10-08 22:34:13Z | origin change | AS174 → AS47027 | 22652812470274702747027 |
| 2026-10-08 22:31:32Z | origin change | AS47027 → AS174 | 33333320174 |
| 2026-10-08 17:55:47Z | origin change | AS174 → AS47027 | 6121869393356812470274702747027 |
| 2026-10-08 12:00:25Z | origin change | AS47027 → AS174 | 460875751299174 |
| 2026-10-08 11:57:48Z | origin change | AS174 → AS47027 | 481856461812470274702747027 |
| 2026-10-08 11:35:49Z | origin change | AS47027 → AS174 | 37721174 |
| 2026-10-08 11:29:00Z | origin change | AS174 → AS47027 | 35493356812470274702747027 |
| 2026-10-08 11:02:05Z | origin change | AS47027 → AS174 | 460875751299174 |
| 2026-10-08 11:02:04Z | origin change | AS174 → AS47027 | 35493356812470274702747027 |
| 2026-10-07 16:18:44Z | origin change | AS47027 → AS174 | 149071299174 |
| 2026-10-07 16:09:17Z | origin change | AS174 → AS47027 | 379895630013213246576461812470274702747027 |
| 2026-10-07 10:26:07Z | origin change | AS47027 → AS174 | 2950439392174 |
| 2026-10-07 10:26:07Z | origin change | AS47027 → AS174 | 2950439392174 |
| 2026-10-07 10:25:25Z | origin change | AS174 → AS47027 | 29504159356461812470274702747027 |
| 2026-10-07 10:25:25Z | origin change | AS174 → AS47027 | 29504159356461812470274702747027 |
| 2026-10-05 00:14:27Z | origin change | AS47027 → AS174 | 328840327727174 |
| 2026-10-04 09:55:17Z | origin change | AS174 → AS47027 | 58057345496461812470274702747027 |
| 2026-10-03 03:14:30Z | origin change | AS47027 → AS174 | 328840327727174 |
| 2026-10-03 03:14:30Z | origin change | AS47027 → AS174 | 328840327727174 |
| 2026-10-03 01:31:42Z | origin change | AS174 → AS47027 | 29504159356461812470274702747027 |
| 2026-10-03 01:31:42Z | origin change | AS174 → AS47027 | 29504159356461812470274702747027 |
| 2026-10-01 18:45:04Z | origin change | AS47027 → AS174 | 328840327727174 |
| 2026-10-01 08:33:58Z | origin change | AS174 → AS47027 | 852812470274702747027 |
| 2026-10-01 07:59:33Z | origin change | AS47027 → AS174 | 557202914174 |
| 2026-10-01 05:02:03Z | origin change | AS174 → AS47027 | 852812470274702747027 |
| 2026-10-01 03:32:56Z | origin change | AS47027 → AS174 | 328840327727174 |
| 2026-09-30 21:47:16Z | origin change | AS174 → AS47027 | 852812470274702747027 |
| 2026-09-30 19:18:14Z | origin change | AS47027 → AS174 | 557209930174 |
| 2026-09-30 19:10:04Z | origin change | AS174 → AS47027 | 852812470274702747027 |
| 2026-09-30 19:09:24Z | origin change | AS47027 → AS174 | 557202914174 |
| 2026-09-30 18:24:37Z | origin change | AS174 → AS47027 | 852812470274702747027 |
| 2026-09-30 18:07:39Z | origin change | AS47027 → AS174 | 328840327727174 |
| 2026-09-30 14:39:05Z | origin change | AS174 → AS47027 | 852812470274702747027 |
| 2026-09-30 14:37:47Z | origin change | AS47027 → AS174 | 328840327727174 |
| 2026-09-30 14:37:47Z | origin change | AS47027 → AS174 | 328840327727174 |
| 2026-09-30 12:12:44Z | origin change | AS174 → AS47027 | 29504159356461812470274702747027 |
| 2026-09-30 12:12:44Z | origin change | AS174 → AS47027 | 29504159356461812470274702747027 |
| 2026-09-30 12:12:19Z | origin change | AS47027 → AS174 | 2950439392174 |
| 2026-09-30 12:11:22Z | origin change | AS174 → AS47027 | 852812470274702747027 |
| 2026-09-30 11:45:24Z | origin change | AS47027 → AS174 | 37721174 |