208.4.80.0/21 no ROA
Announced by AS174 Cogent Communications, LLC.
Origin
| Origin AS | RPKI | Peers seeing it | Sample path | First seen | Last seen |
|---|---|---|---|---|---|
| AS174 Cogent Communications, LLC | no ROA | 39 | 34549174 | 2026-09-18 | 2026-10-07 |
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
- 208.0.0.0/11
- RIR
- ARIN
- Country
- 🇺🇸 US
- Status
- allocated
- Allocated
- 1996-03-13
Less specific routes
Announced prefixes that contain this one
| Prefix | Origin | RPKI | Peers | Sample path | First seen |
|---|---|---|---|---|---|
| 208.0.0.0/11 v4 | AS174 Cogent Communications, LLC | no ROA | 39 | 34549174 | 2026-09-18 |
More specific routes
8 announced prefixes inside this one
| Prefix | Origin | RPKI | Peers | First seen |
|---|---|---|---|---|
| 208.4.80.0/24 v4 | AS174 Cogent Communications, LLC | no ROA | 39 | 2026-09-18 |
| 208.4.81.0/24 v4 | AS174 Cogent Communications, LLC | no ROA | 39 | 2026-09-18 |
| 208.4.82.0/24 v4 | AS174 Cogent Communications, LLC | no ROA | 39 | 2026-09-18 |
| 208.4.83.0/24 v4 | AS174 Cogent Communications, LLC | no ROA | 39 | 2026-09-18 |
| 208.4.84.0/24 v4 | AS174 Cogent Communications, LLC | no ROA | 39 | 2026-09-18 |
| 208.4.85.0/24 v4 | AS174 Cogent Communications, LLC | no ROA | 39 | 2026-09-18 |
| 208.4.86.0/24 v4 | AS174 Cogent Communications, LLC | no ROA | 39 | 2026-09-18 |
| 208.4.87.0/24 v4 | AS174 Cogent Communications, LLC | no ROA | 39 | 2026-09-18 |
Recorded changes
| When | Change | Origin | Path |
|---|---|---|---|
| 2026-09-30 13:51:33Z | origin change | AS15142 → AS174 | 1403577174 |
| 2026-09-30 13:51:18Z | origin change | AS174 → AS15142 | 1403577646115142 |
| 2026-09-30 13:51:04Z | origin change | AS15142 → AS174 | 491345335664246461174 |
| 2026-09-30 13:51:04Z | origin change | AS15142 → AS174 | 5991990023356174 |
| 2026-09-30 13:51:04Z | origin change | AS174 → AS15142 | 599199002646115142 |
| 2026-09-30 13:51:03Z | origin change | AS174 → AS15142 | 2950415935646115142 |
| 2026-09-30 13:51:03Z | origin change | AS15142 → AS174 | 2950439392174 |
| 2026-09-30 12:14:00Z | origin change | AS174 → AS15142 | 852646115142 |
| 2026-09-30 12:12:19Z | origin change | AS15142 → AS174 | 2950439392174 |
| 2026-09-30 11:46:03Z | origin change | AS174 → AS15142 | 852646115142 |
| 2026-09-30 09:36:07Z | origin change | AS15142 → AS174 | 377211299174 |
| 2026-09-30 06:44:26Z | origin change | AS174 → AS15142 | 852646115142 |
| 2026-09-30 03:48:44Z | origin change | AS15142 → AS174 | 328840327727174 |
| 2026-09-29 21:44:07Z | origin change | AS174 → AS15142 | 852646115142 |
| 2026-09-29 17:08:25Z | origin change | AS15142 → AS174 | 557202914174 |
| 2026-09-29 16:24:49Z | origin change | AS174 → AS15142 | 852646115142 |
| 2026-09-29 13:44:34Z | origin change | AS15142 → AS174 | 37721174 |
| 2026-09-29 13:31:28Z | origin change | AS174 → AS15142 | 2950415935646115142 |
| 2026-09-29 13:06:32Z | origin change | AS15142 → AS174 | 2950439392174 |
| 2026-09-29 07:21:02Z | origin change | AS174 → AS15142 | 852646115142 |
| 2026-09-29 07:06:08Z | origin change | AS15142 → AS174 | 491345335664242914174 |
| 2026-09-29 03:51:35Z | origin change | AS174 → AS15142 | 852646115142 |
| 2026-09-28 21:21:53Z | origin change | AS15142 → AS174 | 557202914174 |
| 2026-09-28 00:46:27Z | origin change | AS174 → AS15142 | 852646115142 |
| 2026-09-27 23:54:10Z | origin change | AS15142 → AS174 | 4943221551031543174 |
| 2026-09-27 22:32:41Z | origin change | AS174 → AS15142 | 852646115142 |
| 2026-09-27 21:08:25Z | origin change | AS15142 → AS174 | 4943221551031543174 |
| 2026-09-27 20:31:16Z | origin change | AS174 → AS15142 | 1403577646115142 |
| 2026-09-27 15:11:58Z | origin change | AS15142 → AS174 | 149073356174 |
| 2026-09-27 05:43:38Z | origin change | AS174 → AS15142 | 852646115142 |
| 2026-09-27 03:52:02Z | origin change | AS15142 → AS174 | 17639174 |
| 2026-09-27 02:58:05Z | origin change | AS174 → AS15142 | 852646115142 |
| 2026-09-27 02:25:39Z | origin change | AS15142 → AS174 | 328840327727174 |
| 2026-09-26 20:26:45Z | origin change | AS174 → AS15142 | 852646115142 |
| 2026-09-26 16:09:17Z | origin change | AS15142 → AS174 | 380013491174 |
| 2026-09-26 03:19:27Z | origin change | AS174 → AS15142 | 1403577646115142 |
| 2026-09-26 02:35:29Z | origin change | AS15142 → AS174 | 328840327727174 |
| 2026-09-25 13:04:58Z | origin change | AS174 → AS15142 | 852646115142 |
| 2026-09-25 10:59:17Z | origin change | AS15142 → AS174 | 21628582806762174 |
| 2026-09-24 16:25:12Z | origin change | AS174 → AS15142 | 852646115142 |
| 2026-09-24 10:21:24Z | origin change | AS15142 → AS174 | 491345335664241299174 |
| 2026-09-24 10:15:06Z | origin change | AS174 → AS15142 | 852646115142 |
| 2026-09-24 04:13:23Z | origin change | AS15142 → AS174 | 4967312389174 |