123.151.0.0/17
🇨🇳CIDR
123.151.0.0/17
IP Version
IPv4
Addresses
32.7K
Mask
/17 (255.255.128.0)
Country
🇨🇳 China
City
Dawangzhuang (Hedong Qu)
RIR
APNIC
Status
announced
Allocated
-
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 123.151.0.0/17 | AS17638CHINATELECOM-TJ-AS-AP - ASN for TIANJIN Provincial Net of CT | No ROA | RADB | 5/31/2026 |
Covering Prefix
28 less-specific announcementsIRR Route Objects
| Origin | Registry | Maintainer | Modified |
|---|---|---|---|
| AS17638 | RADB | MAINT-CT-GNOC | 11/13/2023 |
More Specific Prefixes
| Prefix | AS | Country | Status |
|---|---|---|---|
| 123.151.0.0/20 | 🇨🇳CN | assigned | |
| 123.151.96.0/20 | AS58542 | 🇨🇳CN | assigned |
| 123.151.48.0/20 | AS58542 | 🇨🇳CN | assigned |
| 123.151.64.0/20 | 🇨🇳CN | assigned | |
| 123.151.80.0/21 | 🇨🇳CN | assigned | |
| 123.151.44.0/22 | 🇨🇳CN | assigned | |
| 123.151.92.0/22 | AS58542 | 🇨🇳CN | assigned |
| 123.151.24.0/22 | 🇨🇳CN | assigned | |
| 123.151.88.0/23 | 🇨🇳CN | assigned | |
| 123.151.90.0/24 | AS132536 | 🇨🇳CN | assigned |
| 123.151.19.0/24 | 🇨🇳CN | assigned | |
| 123.151.21.0/24 | AS17638 | 🇨🇳CN | assigned |
| 123.151.23.0/24 | 🇨🇳CN | assigned | |
| 123.151.91.0/24 | 🇨🇳CN | assigned | |
| 123.151.22.0/24 | 🇨🇳CN | assigned | |
| 123.151.20.0/24 | AS132536 | 🇨🇳CN | assigned |
| 123.151.17.128/25 | 🇨🇳CN | assigned | |
| 123.151.18.0/25 | 🇨🇳CN | assigned | |
| 123.151.33.0/25 | 🇨🇳CN | assigned | |
| 123.151.18.128/25 | 🇨🇳CN | assigned | |
| 123.151.16.0/25 | 🇨🇳CN | assigned | |
| 123.151.16.128/25 | 🇨🇳CN | assigned | |
| 123.151.32.0/25 | 🇨🇳CN | assigned | |
| 123.151.32.128/25 | 🇨🇳CN | assigned | |
| 123.151.17.0/25 | 🇨🇳CN | assigned | |
| 123.151.33.192/26 | 🇨🇳CN | assigned |
Geolocation
API
Open https://api.ipctl.io/v1/prefix/123.151.0.0/17Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/123.151.0.0/17" | jq
External Links