123.125.16.0/21
🇨🇳CIDR
123.125.16.0/21
IP Version
IPv4
Addresses
2K
Mask
/21 (255.255.248.0)
Country
🇨🇳 China
City
Jinrongjie (Xicheng District)
RIR
APNIC
Status
announced
Allocated
-
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 123.125.16.0/21 | AS4808CHINA169-BJ - China Unicom Beijing Province Network | Valid | RADB | 6/13/2026 |
RPKI ROAs
| Prefix | Origin | Max Length | Trust Anchor |
|---|---|---|---|
| 123.125.16.0/21 | AS4808 | /21 | apnic |
IRR Route Objects
| Origin | Registry | Maintainer | Modified |
|---|---|---|---|
| AS4808 | RADB | MAINT-HGC-INTL | 11/13/2023 |
More Specific Prefixes
| Prefix | AS | Country | Status |
|---|---|---|---|
| 123.125.20.0/24 | 🇨🇳CN | assigned | |
| 123.125.18.128/25 | 🇨🇳CN | assigned | |
| 123.125.17.192/26 | 🇨🇳CN | assigned | |
| 123.125.17.64/27 | 🇨🇳CN | assigned | |
| 123.125.16.64/28 | 🇨🇳CN | assigned | |
| 123.125.16.32/28 | 🇨🇳CN | assigned | |
| 123.125.16.80/29 | 🇨🇳CN | assigned | |
| 123.125.16.56/29 | 🇨🇳CN | assigned | |
| 123.125.16.48/29 | 🇨🇳CN | assigned | |
| 123.125.16.10/31 | 🇨🇳CN | assigned | |
| 123.125.16.6/31 | 🇨🇳CN | assigned | |
| 123.125.16.8/32 | 🇨🇳CN | assigned |
Geolocation
Country🇨🇳ChinaCN
RegionBeijing
CityJinrongjie (Xicheng District)
Coordinates39.9236, 116.3600 ↗
API
Open https://api.ipctl.io/v1/prefix/123.125.16.0/21Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/123.125.16.0/21" | jq
External Links