172.81.127.0/24 - BGP Prefix (MOAS)
IPv4ARINannouncedMOAS RPKI Valid
CIDR
172.81.127.0/24
IP Version
IPv4
Addresses
256
Mask
/24 (255.255.255.0)
Country
🇭🇰 Hong Kong
City
Hong Kong
RIR
ARIN
Status
announced
Allocated
-
Announced BGP Routes
2 of 2 routesMOAS - 2 origin ASNs
RPKI:
IRR:
Swipe sideways to see all columns →
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 172.81.127.0/24 | AS21859 ZEN-ECN - Zenlayer Inc | Valid | Other IRR | 2026-10-12 |
| 172.81.127.0/24 | AS62610 ZEN-DPS - Zenlayer Inc | Valid | Other IRR | 2026-10-12 |
Covering Prefix
1 less-specific announcement| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 172.81.120.0/21 | AS21859 ZEN-ECN - Zenlayer Inc | Valid | - | 2026-10-12 |
RPKI ROAs
Transfer History
Registry transfers of 172.81.127.0/24, blocks inside it, or blocks containing it.
- 172.81.120.0/21M&A ·
| Date | Resource | From | To | Type |
|---|---|---|---|---|
| 172.81.120.0/21 | M&A |
Related Prefixes
Geolocation
Country🇭🇰Hong KongHK
CityHong Kong
Learn more
- RPKI and ROAs explainedWhat RPKI valid, invalid and no ROA mean
- RPKI validatorCheck ROA coverage for any prefix or ASN
- What is BGP?How prefixes are announced and routed
- More-specific prefixesGlossary: covering and more-specific routes
- IPv4 transfers in the ARIN regionWho bought and sold address space recently
API
Open https://api.ipctl.io/v1/prefix/172.81.127.0/24Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/172.81.127.0/24" | jq
External Links