123.128.0.0/13
🇨🇳CIDR
123.128.0.0/13
IP Version
IPv4
Addresses
524.2K
Mask
/13 (255.248.0.0)
Country
🇨🇳 China
City
Jinan
RIR
APNIC
Status
allocated
Allocated
2/15/2007
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 123.128.0.0/13 | AS4837CHINA169-Backbone - CHINA UNICOM China169 Backbone | Valid | APNICRADB | 6/13/2026 |
RPKI ROAs
| Prefix | Origin | Max Length | Trust Anchor |
|---|---|---|---|
| 123.128.0.0/13 | AS4837 | /13 | apnic |
More Specific Prefixes
| Prefix | AS | Country | Status |
|---|---|---|---|
| 123.129.238.0/24 | 🇨🇳CN | assigned | |
| 123.129.237.0/24 | 🇨🇳CN | assigned | |
| 123.129.240.0/24 | 🇨🇳CN | assigned | |
| 123.129.229.0/24 | 🇨🇳CN | assigned | |
| 123.129.239.0/24 | 🇨🇳CN | assigned | |
| 123.129.236.0/24 | 🇨🇳CN | assigned | |
| 123.129.243.0/24 | 🇨🇳CN | assigned | |
| 123.129.228.0/24 | 🇨🇳CN | assigned | |
| 123.129.244.0/24 | 🇨🇳CN | assigned | |
| 123.129.224.0/24 | 🇨🇳CN | assigned | |
| 123.129.246.0/24 | 🇨🇳CN | assigned | |
| 123.129.227.0/24 | 🇨🇳CN | assigned | |
| 123.129.249.0/24 | 🇨🇳CN | assigned | |
| 123.129.226.0/24 | 🇨🇳CN | assigned | |
| 123.129.232.0/24 | 🇨🇳CN | assigned | |
| 123.129.247.0/24 | 🇨🇳CN | assigned | |
| 123.129.223.0/24 | 🇨🇳CN | assigned | |
| 123.129.230.0/24 | 🇨🇳CN | assigned | |
| 123.129.252.0/24 | 🇨🇳CN | assigned | |
| 123.129.225.0/24 | 🇨🇳CN | assigned | |
| 123.129.248.0/24 | 🇨🇳CN | assigned | |
| 123.129.241.0/24 | 🇨🇳CN | assigned | |
| 123.129.250.0/24 | 🇨🇳CN | assigned | |
| 123.129.222.0/25 | 🇨🇳CN | assigned | |
| 123.129.231.0/25 | 🇨🇳CN | assigned | |
| 123.129.255.64/26 | 🇨🇳CN | assigned | |
| 123.129.251.192/26 | 🇨🇳CN | assigned | |
| 123.129.251.0/26 | 🇨🇳CN | assigned | |
| 123.131.127.128/26 | 🇨🇳CN | assigned | |
| 123.133.132.192/26 | 🇨🇳CN | assigned | |
| 123.129.245.64/27 | 🇨🇳CN | assigned | |
| 123.134.64.128/27 | 🇨🇳CN | assigned | |
| 123.134.64.0/27 | 🇨🇳CN | assigned | |
| 123.129.245.32/27 | 🇨🇳CN | assigned | |
| 123.129.251.80/28 | 🇨🇳CN | assigned | |
| 123.135.124.16/28 | 🇨🇳CN | assigned | |
| 123.129.242.16/28 | 🇨🇳CN | assigned | |
| 123.134.64.96/28 | 🇨🇳CN | assigned | |
| 123.129.245.16/28 | 🇨🇳CN | assigned | |
| 123.134.64.64/28 | 🇨🇳CN | assigned | |
| 123.130.240.64/29 | 🇨🇳CN | assigned | |
| 123.131.127.8/29 | 🇨🇳CN | assigned | |
| 123.130.240.112/29 | 🇨🇳CN | assigned | |
| 123.130.240.8/29 | 🇨🇳CN | assigned | |
| 123.133.132.184/29 | 🇨🇳CN | assigned | |
| 123.129.242.8/29 | 🇨🇳CN | assigned | |
| 123.129.251.72/29 | 🇨🇳CN | assigned | |
| 123.131.127.80/29 | 🇨🇳CN | assigned | |
| 123.129.245.208/29 | 🇨🇳CN | assigned | |
| 123.129.245.200/29 | 🇨🇳CN | assigned | |
| 123.129.245.8/29 | 🇨🇳CN | assigned | |
| 123.133.132.168/29 | 🇨🇳CN | assigned | |
| 123.133.132.176/29 | 🇨🇳CN | assigned | |
| 123.130.240.96/29 | 🇨🇳CN | assigned | |
| 123.129.242.32/29 | 🇨🇳CN | assigned | |
| 123.135.124.204/30 | 🇨🇳CN | assigned | |
| 123.129.255.24/30 | 🇨🇳CN | assigned | |
| 123.133.132.0/30 | 🇨🇳CN | assigned | |
| 123.135.124.0/30 | 🇨🇳CN | assigned | |
| 123.130.240.108/30 | 🇨🇳CN | assigned | |
| 123.130.240.144/30 | 🇨🇳CN | assigned | |
| 123.130.240.84/30 | 🇨🇳CN | assigned | |
| 123.129.251.100/30 | 🇨🇳CN | assigned | |
| 123.129.245.180/30 | 🇨🇳CN | assigned | |
| 123.133.132.32/30 | 🇨🇳CN | assigned | |
| 123.131.127.52/30 | 🇨🇳CN | assigned | |
| 123.129.245.152/30 | 🇨🇳CN | assigned | |
| 123.133.132.24/30 | 🇨🇳CN | assigned | |
| 123.131.127.44/30 | 🇨🇳CN | assigned | |
| 123.133.132.20/30 | 🇨🇳CN | assigned | |
| 123.133.132.52/30 | 🇨🇳CN | assigned | |
| 123.129.245.96/30 | 🇨🇳CN | assigned | |
| 123.135.124.4/30 | 🇨🇳CN | assigned | |
| 123.129.71.12/30 | 🇨🇳CN | assigned | |
| 123.133.132.80/30 | 🇨🇳CN | assigned | |
| 123.133.132.48/30 | 🇨🇳CN | assigned | |
| 123.129.242.4/30 | 🇨🇳CN | assigned | |
| 123.133.132.64/30 | 🇨🇳CN | assigned | |
| 123.133.132.88/30 | 🇨🇳CN | assigned | |
| 123.130.240.88/30 | 🇨🇳CN | assigned | |
| 123.135.124.176/30 | 🇨🇳CN | assigned | |
| 123.130.240.104/30 | 🇨🇳CN | assigned | |
| 123.130.240.32/30 | 🇨🇳CN | assigned | |
| 123.129.255.20/30 | 🇨🇳CN | assigned | |
| 123.130.240.124/30 | 🇨🇳CN | assigned | |
| 123.135.125.0/30 | 🇨🇳CN | assigned | |
| 123.130.240.36/30 | 🇨🇳CN | assigned | |
| 123.130.240.128/30 | 🇨🇳CN | assigned | |
| 123.129.245.144/30 | 🇨🇳CN | assigned | |
| 123.135.124.220/30 | 🇨🇳CN | assigned | |
| 123.130.240.140/30 | 🇨🇳CN | assigned | |
| 123.130.240.164/30 | 🇨🇳CN | assigned | |
| 123.130.240.60/30 | 🇨🇳CN | assigned | |
| 123.130.240.80/30 | 🇨🇳CN | assigned | |
| 123.130.240.196/30 | 🇨🇳CN | assigned | |
| 123.135.124.136/30 | 🇨🇳CN | assigned | |
| 123.133.132.60/30 | 🇨🇳CN | assigned | |
| 123.133.132.116/30 | 🇨🇳CN | assigned | |
| 123.133.132.164/30 | 🇨🇳CN | assigned | |
| 123.135.124.36/30 | 🇨🇳CN | assigned |
Geolocation
API
Open https://api.ipctl.io/v1/prefix/123.128.0.0/13Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/123.128.0.0/13" | jq
External Links