38.156.71.0/24 no ROA MOAS
Announced by 3 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 | 22 | 58057174 | 2026-09-24 | 2026-10-20 |
| AS272739 Lider Fibra | no ROA | 18 | 24482272739 | 2026-10-07 | 2026-10-20 |
| AS272964 TAMAYO MAGDA JUDITH | no ROA | 1 | 21324190021295622927272964 | 2026-09-18 | 2026-10-20 |
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 | 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 |
|---|---|---|---|
| 2026-10-20 17:02:40Z | origin change | AS272739 → AS174 | 5805734549174 |
| 2026-10-20 16:59:00Z | origin change | AS174 → AS272739 | 345493746822381263966272739 |
| 2026-10-20 16:52:59Z | origin change | AS272739 → AS174 | 34549174 |
| 2026-10-20 16:49:14Z | origin change | AS174 → AS272739 | 58057345493746822381263966272739 |
| 2026-10-20 16:39:39Z | origin change | AS272739 → AS174 | 34549174 |
| 2026-10-20 16:37:44Z | origin change | AS174 → AS272739 | 58057345493746822381263966272739 |
| 2026-10-20 16:37:29Z | origin change | AS272739 → AS174 | 5805734549174 |
| 2026-10-20 16:35:39Z | origin change | AS174 → AS272739 | 345493746822381263966272739 |
| 2026-10-20 16:31:23Z | origin change | AS272739 → AS174 | 20649934549174 |
| 2026-10-20 15:30:18Z | origin change | AS174 → AS272739 | 377213746822381263966272739 |
| 2026-10-20 14:43:46Z | origin change | AS272964 → AS174 | 460875751299174 |
| 2026-10-20 14:42:50Z | origin change | AS174 → AS272964 | 4608122146371295622927272964 |
| 2026-10-20 14:12:13Z | origin change | AS272964 → AS174 | 460875751299174 |
| 2026-10-20 14:09:52Z | origin change | AS174 → AS272964 | 4608122146371295622927272964 |
| 2026-10-20 11:08:04Z | origin change | AS272739 → AS174 | 460875751299174 |
| 2026-10-20 11:06:40Z | origin change | AS174 → AS272739 | 379895630013213246573746822381263966272739 |
| 2026-10-20 02:07:29Z | origin change | AS272739 → AS174 | 49432483621764174 |
| 2026-10-20 00:32:35Z | origin change | AS174 → AS272739 | 14035773356263966263966272739 |
| 2026-10-19 21:03:59Z | origin change | AS272739 → AS174 | 49432483621764174 |
| 2026-10-19 18:03:56Z | origin change | AS174 → AS272739 | 58057345493746822381263966272739 |
| 2026-10-19 17:59:07Z | origin change | AS272739 → AS174 | 20649934549174 |
| 2026-10-19 17:54:48Z | origin change | AS174 → AS272739 | 226523746822381263966272739 |
| 2026-10-19 17:54:48Z | origin change | AS272739 → AS174 | 5805734549174 |
| 2026-10-19 17:54:48Z | origin change | AS174 → AS272739 | 58057345493746822381263966272739 |
| 2026-10-19 17:44:41Z | origin change | AS272739 → AS174 | 226521299174 |
| 2026-10-19 17:41:27Z | origin change | AS174 → AS272739 | 58057345493746822381263966272739 |
| 2026-10-19 17:36:26Z | origin change | AS272739 → AS174 | 226521299174 |
| 2026-10-19 17:23:20Z | origin change | AS174 → AS272739 | 226523746822381263966272739 |
| 2026-10-19 17:15:47Z | origin change | AS272739 → AS174 | 34549174 |
| 2026-10-19 17:12:59Z | origin change | AS174 → AS272739 | 226523746822381263966272739 |
| 2026-10-19 11:39:27Z | origin change | AS272739 → AS174 | 13830971174 |
| 2026-10-19 09:51:27Z | origin change | AS174 → AS272739 | 377213746822381263966272739 |
| 2026-10-18 00:11:08Z | origin change | AS272739 → AS174 | 328840327727174 |
| 2026-10-17 19:45:41Z | origin change | AS272739 → AS174 | 2040922076629169174 |
| 2026-10-17 19:45:41Z | origin change | AS174 → AS272739 | 204092207663746822381263966272739 |
| 2026-10-17 19:45:40Z | origin change | AS272739 → AS174 | 5805734549174 |
| 2026-10-17 19:45:40Z | origin change | AS174 → AS272739 | 58057345493746822381263966272739 |
| 2026-10-17 18:32:21Z | origin change | AS174 → AS272739 | 377213746822381263966272739 |
| 2026-10-17 18:32:17Z | origin change | AS272739 → AS174 | 481851299174 |
| 2026-10-17 18:32:17Z | origin change | AS272739 → AS174 | 2040922076629169174 |
| 2026-10-17 18:32:17Z | origin change | AS174 → AS272739 | 2040923746822381263966272739 |
| 2026-10-17 18:32:17Z | origin change | AS174 → AS272739 | 481853356263966263966272739 |
| 2026-10-17 18:32:02Z | origin change | AS272739 → AS174 | 5805734549174 |
| 2026-10-17 18:02:58Z | origin change | AS174 → AS272739 | 58057345493746822381263966272739 |
| 2026-10-17 17:52:20Z | origin change | AS272739 → AS174 | 20649934549174 |
| 2026-10-17 17:49:22Z | origin change | AS174 → AS272739 | 206499345493746822381263966272739 |
| 2026-10-17 07:23:35Z | origin change | AS272739 → AS174 | 328840327727174 |
| 2026-10-16 16:09:30Z | origin change | AS174 → AS272739 | 206499345493746822381263966272739 |
| 2026-10-16 14:14:13Z | origin change | AS272739 → AS174 | 328840327727174 |
| 2026-10-16 07:28:16Z | origin change | AS174 → AS272739 | 5572029143746822381263966272739 |