218.25.0.0/16 - CHINA UNICOM China169 Backbone (AS4837)
CIDR
218.25.0.0/16
IP Version
IPv4
Addresses
65.5K
Mask
/16 (255.255.0.0)
Country
🇨🇳 China
City
Shenyang
RIR
APNIC
Status
announced
Allocated
-
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
Swipe sideways to see all columns →
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 218.25.0.0/16 | AS4837 CHINA169-Backbone - CHINA UNICOM China169 Backbone | Valid | Other IRR | 2026-10-13 |
More-Specific Announcements
2 more-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 218.25.128.0/24 | AS4837 CHINA169-Backbone - CHINA UNICOM China169 Backbone | Valid | - | 2026-10-13 |
| 218.25.225.0/24 | AS4837 CHINA169-Backbone - CHINA UNICOM China169 Backbone | Valid | - | 2026-10-13 |
RPKI ROAs
| Prefix | Origin | Max Length | Trust Anchor |
|---|---|---|---|
| 218.25.0.0/16 | AS4837 | /16 | apnic |
IRR Route Objects
| Origin | Registry | Maintainer | Modified |
|---|---|---|---|
| AS4837 | Other IRR | MAINT-AS58453 | 2023-11-13 |
More Specific Prefixes
| Prefix | AS | Country | Status |
|---|---|---|---|
| 218.25.39.224/28 | 🇨🇳CN | assigned | |
| 218.25.39.240/29 | 🇨🇳CN | assigned | |
| 218.25.39.248/30 | 🇨🇳CN | assigned | |
| 218.25.39.252/31 | 🇨🇳CN | assigned | |
| 218.25.39.254/32 | 🇨🇳CN | assigned | |
| 218.25.43.208/28 | 🇨🇳CN | assigned | |
| 218.25.100.91/32 | 🇨🇳CN | assigned | |
| 218.25.100.92/31 | 🇨🇳CN | assigned | |
| 218.25.100.94/32 | 🇨🇳CN | assigned | |
| 218.25.125.144/28 | 🇨🇳CN | assigned | |
| 218.25.154.64/27 | 🇨🇳CN | assigned | |
| 218.25.158.184/30 | 🇨🇳CN | assigned | |
| 218.25.171.88/31 | 🇨🇳CN | assigned | |
| 218.25.176.144/28 | 🇨🇳CN | assigned |
Related Prefixes
More prefixes of AS4837
All prefixes of AS4837 →Geolocation
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 APNIC regionWho bought and sold address space recently
API
Open https://api.ipctl.io/v1/prefix/218.25.0.0/16Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/218.25.0.0/16" | jq
External Links