172.81.120.0/21 RPKI valid
Announced by AS21859 Zenlayer Inc.
Origin
| Origin AS | RPKI | Peers seeing it | Sample path | First seen | Last seen |
|---|---|---|---|---|---|
| AS21859 Zenlayer Inc | RPKI valid | 42 | 2448221859 | 2026-09-18 | 2026-10-29 |
RPKI
1 ROA covers this prefix
| ROA prefix | Max length | Authorised origin | Trust anchor | Result for this route |
|---|---|---|---|---|
| 172.81.120.0/21 | /24 | AS21859 | arin | authorises it |
Registry
Who this address space is delegated to, regardless of whether it is routed
- Delegated block
- 172.81.120.0/21
- RIR
- ARIN
- Country
- 🇺🇸 US
- Status
- allocated
- Allocated
- 2015-05-14
Less specific routes
Announced prefixes that contain this one
Nothing less specific is announced.
More specific routes
2 announced prefixes inside this one
| Prefix | Origin | RPKI | Peers | First seen |
|---|---|---|---|---|
| 172.81.127.0/24 v4 | AS21859 Zenlayer Inc | RPKI valid | 5 | 2026-09-18 |
| 172.81.127.0/24 v4 | AS62610 Zenlayer Inc | RPKI valid | 38 | 2026-09-18 |