154.21.205.0/24 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 |
|---|---|---|---|---|---|
| AS197196 PANSTAR CLOUD LIMITED | no ROA | 40 | 345491299979197196 | 2026-10-27 | 2026-11-05 |
| AS979 NetLab Global | no ROA | 1 | 443933571010099979 | 2026-10-24 | 2026-11-05 |
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
- 154.21.0.0/16
- RIR
- ARIN
- Country
- 🇺🇸 US
- Status
- allocated
- Allocated
- 1992-02-05
Less specific routes
Announced prefixes that contain this one
| Prefix | Origin | RPKI | Peers | Sample path | First seen |
|---|---|---|---|---|---|
| 154.21.204.0/22 v4 | AS174 Cogent Communications, LLC | no ROA | 40 | 34549174 | 2026-09-18 |
| 154.21.0.0/16 v4 | AS174 Cogent Communications, LLC | no ROA | 40 | 34549174 | 2026-09-18 |
More specific routes
0 announced prefixes inside this one
Nothing more specific is announced.
Recorded changes
| When | Change | Origin | Path |
|---|---|---|---|
| 2026-11-05 19:32:17Z | origin change | AS979 → AS197196 | 57821125863257979197196 |
| 2026-11-05 17:48:03Z | origin change | AS197196 → AS979 | 443933571010099979 |
| 2026-10-27 10:37:11Z | origin change | AS979 → AS197196 | 333312571299979197196 |
| 2026-10-27 10:29:25Z | origin change | AS197196 → AS979 | 333333203257979 |
| 2026-10-27 10:29:20Z | origin change | AS979 → AS197196 | 354933561299979197196 |
| 2026-10-27 10:29:20Z | origin change | AS979 → AS197196 | 354933561299979197196 |
| 2026-10-27 10:28:50Z | origin change | AS197196 → AS979 | 354933563257979 |
| 2026-10-27 10:23:23Z | origin change | AS979 → AS197196 | 226521299979197196 |
| 2026-10-27 10:22:34Z | origin change | AS197196 → AS979 | 149073356174979 |
| 2026-10-27 10:22:28Z | origin change | AS979 → AS197196 | 460875751299979197196 |
| 2026-10-27 10:22:17Z | origin change | AS197196 → AS979 | 481853356174979 |
| 2026-10-27 10:22:16Z | origin change | AS197196 → AS979 | 35493356174979 |
| 2026-10-27 10:22:16Z | origin change | AS197196 → AS979 | 35493356174979 |
| 2026-10-27 10:22:16Z | origin change | AS979 → AS197196 | 328840327727174979197196 |
| 2026-10-27 10:22:04Z | origin change | AS197196 → AS979 | 149073356174979 |
| 2026-10-27 10:22:04Z | origin change | AS979 → AS197196 | 379895630013213246572914979197196 |
| 2026-10-27 10:22:04Z | origin change | AS979 → AS197196 | 379895630013213246572914979197196 |
| 2026-10-27 10:22:02Z | origin change | AS979 → AS197196 | 57381427081299979197196 |
| 2026-10-27 10:22:00Z | origin change | AS197196 → AS979 | 176393491174979 |
| 2026-10-27 10:21:59Z | origin change | AS979 → AS197196 | 503041299979197196 |
| 2026-10-27 10:21:58Z | origin change | AS197196 → AS979 | 4608122146373257979 |
| 2026-10-27 10:21:57Z | origin change | AS197196 → AS979 | 4967332161299979 |
| 2026-10-27 10:21:57Z | origin change | AS979 → AS197196 | 49673204851299979197196 |
| 2026-10-27 10:21:54Z | origin change | AS979 → AS197196 | 14035771299979197196 |
| 2026-10-27 10:21:53Z | origin change | AS197196 → AS979 | 481853356174979 |
| 2026-10-27 10:21:51Z | origin change | AS979 → AS197196 | 58057345491299979197196 |
| 2026-10-27 10:21:48Z | origin change | AS197196 → AS979 | 14035771299979 |
| 2026-10-27 10:21:47Z | origin change | AS197196 → AS979 | 4967332161299979 |
| 2026-10-27 10:21:47Z | origin change | AS979 → AS197196 | 34927566551299979197196 |
| 2026-10-27 10:21:46Z | origin change | AS979 → AS197196 | 70181299979197196 |
| 2026-10-27 10:21:45Z | origin change | AS197196 → AS979 | 50300174979 |
| 2026-10-27 10:21:43Z | origin change | AS979 → AS197196 | 13830971174979197196 |
| 2026-10-27 10:21:42Z | origin change | AS197196 → AS979 | 491345335664246461174979 |
| 2026-10-27 10:21:42Z | origin change | AS979 → AS197196 | 20236550673174979197196 |
| 2026-10-27 10:21:41Z | origin change | AS197196 → AS979 | 4818533562914979 |
| 2026-10-27 10:21:38Z | origin change | AS979 → AS197196 | 58057174979197196 |
| 2026-10-27 10:21:37Z | origin change | AS979 → AS197196 | 202051299979197196 |
| 2026-10-27 10:21:37Z | origin change | AS197196 → AS979 | 580571836174979 |
| 2026-10-27 10:21:36Z | origin change | AS197196 → AS979 | 14035771299979 |
| 2026-10-27 10:21:36Z | origin change | AS979 → AS197196 | 20205174979197196 |
| 2026-10-27 10:21:34Z | origin change | AS979 → AS197196 | 37721174979197196 |
| 2026-10-27 10:21:34Z | origin change | AS197196 → AS979 | 1490733561299979 |
| 2026-10-27 10:21:33Z | origin change | AS197196 → AS979 | 333312571299979 |
| 2026-10-27 10:21:33Z | origin change | AS979 → AS197196 | 49432483621299979197196 |
| 2026-10-27 10:21:32Z | origin change | AS197196 → AS979 | 70181299979 |
| 2026-10-27 10:21:32Z | origin change | AS197196 → AS979 | 4913453356642464611299979 |
| 2026-10-27 10:21:32Z | origin change | AS979 → AS197196 | 6121869391299979197196 |
| 2026-10-27 10:21:25Z | origin change | AS979 → AS197196 | 244822914979197196 |
| 2026-10-27 10:21:22Z | origin change | AS979 → AS197196 | 57821125863257979197196 |
| 2026-10-27 10:21:22Z | origin change | AS197196 → AS979 | 5991990023257979 |