38.183.120.0/24 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 |
|---|---|---|---|---|---|
| AS174 Cogent Communications, LLC | no ROA | 25 | 34549174 | 2026-09-18 | 2026-10-27 |
| AS271752 METEC SOLUCOES | no ROA | 18 | 24482263327271752 | 2026-09-18 | 2026-10-27 |
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 |
|---|---|---|---|---|---|
| 38.183.120.0/22 v4 | AS174 Cogent Communications, LLC | no ROA | 40 | 34549174 | 2026-09-18 |
| 38.0.0.0/8 v4 | AS174 Cogent Communications, LLC | no ROA | 42 | 34549174 | 2026-09-18 |
More specific routes
0 announced prefixes inside this one
Nothing more specific is announced.
Recorded changes
| When | Change | Origin | Path |
|---|---|---|---|
| 2026-10-27 19:06:06Z | origin change | AS174 → AS271752 | 3772137468263327263327271752 |
| 2026-10-26 21:00:11Z | origin change | AS271752 → AS174 | 4943221551031543174 |
| 2026-10-26 13:04:16Z | origin change | AS174 → AS271752 | 4818537468263327263327271752 |
| 2026-10-26 02:40:23Z | origin change | AS271752 → AS174 | 328840327727174 |
| 2026-10-25 11:36:56Z | origin change | AS174 → AS271752 | 3772137468263327271752 |
| 2026-10-25 11:10:51Z | origin change | AS271752 → AS174 | 328840327727174 |
| 2026-10-25 09:18:35Z | origin change | AS174 → AS271752 | 3772137468263327271752 |
| 2026-10-25 05:21:41Z | origin change | AS271752 → AS174 | 328840327727174 |
| 2026-10-24 17:20:46Z | origin change | AS174 → AS271752 | 852325737468263327271752 |
| 2026-10-24 06:53:55Z | origin change | AS271752 → AS174 | 3492752025174 |
| 2026-10-24 06:07:41Z | origin change | AS271752 → AS174 | 506286453174 |
| 2026-10-24 06:07:34Z | origin change | AS174 → AS271752 | 1403577335637468263327271752 |
| 2026-10-24 06:07:22Z | origin change | AS271752 → AS174 | 1403577174 |
| 2026-10-24 06:07:22Z | origin change | AS174 → AS271752 | 45049669637468263327271752 |
| 2026-10-24 06:07:18Z | origin change | AS174 → AS271752 | 3492756655129937468263327271752 |
| 2026-10-24 06:07:17Z | origin change | AS271752 → AS174 | 1403577174 |
| 2026-10-24 06:07:14Z | origin change | AS271752 → AS174 | 349275665569391299174 |
| 2026-10-24 06:07:13Z | origin change | AS271752 → AS174 | 557202914174 |
| 2026-10-24 06:07:13Z | origin change | AS174 → AS271752 | 4818537468263327271752 |
| 2026-10-24 06:07:13Z | origin change | AS174 → AS271752 | 3798956300132132465737468263327271752 |
| 2026-10-24 06:07:12Z | origin change | AS271752 → AS174 | 49673204856453174 |
| 2026-10-24 06:07:12Z | origin change | AS174 → AS271752 | 3772137468263327271752 |
| 2026-10-24 06:07:12Z | origin change | AS174 → AS271752 | 852325737468263327271752 |
| 2026-10-24 06:07:12Z | origin change | AS271752 → AS174 | 481853356174 |
| 2026-10-24 05:58:03Z | origin change | AS174 → AS271752 | 24482263327271752 |
| 2026-10-24 04:08:59Z | origin change | AS271752 → AS174 | 6121869391299174 |
| 2026-10-24 04:08:58Z | origin change | AS174 → AS271752 | 612186939335637468263327271752 |
| 2026-10-24 04:08:27Z | origin change | AS271752 → AS174 | 481853356174 |
| 2026-10-24 04:05:27Z | origin change | AS174 → AS271752 | 3549335637468263327271752 |
| 2026-10-24 03:59:51Z | origin change | AS271752 → AS174 | 14035771299174 |
| 2026-10-24 03:59:51Z | origin change | AS174 → AS271752 | 1403577335637468263327271752 |
| 2026-10-24 03:59:14Z | origin change | AS271752 → AS174 | 57381427081299174 |
| 2026-10-24 03:59:10Z | origin change | AS174 → AS271752 | 3549335637468263327271752 |
| 2026-10-24 03:58:44Z | origin change | AS271752 → AS174 | 34927566551299174 |
| 2026-10-24 03:58:09Z | origin change | AS174 → AS271752 | 3772137468263327271752 |
| 2026-10-24 03:58:02Z | origin change | AS174 → AS271752 | 852129937468263327271752 |
| 2026-10-24 03:58:01Z | origin change | AS271752 → AS174 | 57821125863257174 |
| 2026-10-24 03:58:01Z | origin change | AS174 → AS271752 | 3772137468263327271752 |
| 2026-10-24 03:58:00Z | origin change | AS271752 → AS174 | 37989563001321324657174 |
| 2026-10-24 03:57:59Z | origin change | AS271752 → AS174 | 20236550673174 |
| 2026-10-24 03:57:43Z | origin change | AS174 → AS271752 | 5738142708129937468263327271752 |
| 2026-10-24 03:57:41Z | origin change | AS271752 → AS174 | 506286453174 |
| 2026-10-24 03:57:20Z | origin change | AS174 → AS271752 | 2023655067337468263327271752 |
| 2026-10-24 03:57:17Z | origin change | AS271752 → AS174 | 49673204856453174 |
| 2026-10-24 03:57:17Z | origin change | AS271752 → AS174 | 57381503041299174 |
| 2026-10-24 03:57:17Z | origin change | AS174 → AS271752 | 20205129937468263327271752 |
| 2026-10-24 03:57:14Z | origin change | AS174 → AS271752 | 5738150304129937468263327271752 |
| 2026-10-24 03:57:09Z | origin change | AS271752 → AS174 | 202051299174 |
| 2026-10-24 03:57:09Z | origin change | AS174 → AS271752 | 20205129937468263327271752 |
| 2026-10-24 03:57:08Z | origin change | AS271752 → AS174 | 149071299174 |