66.167.166.0/24 RPKI valid 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 |
|---|---|---|---|---|---|
| AS3257 GTT Communications Inc. | RPKI valid | 37 | 345493257 | 2026-09-18 | 2026-09-25 |
| AS9541 Cyber Internet Services (Pvt) Ltd. | RPKI invalid | 4 | 349279541 | 2026-09-18 | 2026-09-25 |
RPKI
1 ROA covers this prefix
| ROA prefix | Max length | Authorised origin | Trust anchor | Result for this route |
|---|---|---|---|---|
| 66.167.166.0/24 | /24 | AS3257 | arin | authorises it |
Registry
Who this address space is delegated to, regardless of whether it is routed
- Delegated block
- 66.166.0.0/15
- RIR
- ARIN
- Country
- 🇺🇸 US
- Status
- allocated
- Allocated
- 2001-09-10
Less specific routes
Announced prefixes that contain this one
| Prefix | Origin | RPKI | Peers | Sample path | First seen |
|---|---|---|---|---|---|
| 66.166.0.0/15 v4 | AS3257 GTT Communications Inc. | no ROA | 42 | 345493257 | 2026-09-18 |
More specific routes
0 announced prefixes inside this one
Nothing more specific is announced.
Recorded changes
| When | Change | Origin | Path |
|---|---|---|---|
| 2026-09-23 16:26:44Z | origin change | AS9541 → AS3257 | 3288403277271743257 |
| 2026-09-23 11:02:47Z | origin change | AS3257 → AS9541 | 44393580579541 |
| 2026-09-19 08:43:24Z | origin change | AS9541 → AS3257 | 3288403277271743257 |
| 2026-09-19 08:30:27Z | origin change | AS3257 → AS9541 | 29504574639541 |
| 2026-09-18 14:02:36Z | origin change | AS9541 → AS3257 | 3288403277271743257 |
| 2026-09-18 08:56:43Z | origin change | AS3257 → AS9541 | 443934017539541 |
| 2026-09-18 07:14:22Z | origin change | AS9541 → AS3257 | 573815030412993257 |