218.104.240.0/20 - BGP Prefix
IPv4APNICassignedNo ROA
CIDR
218.104.240.0/20
IP Version
IPv4
Addresses
4K
Mask
/20 (255.255.240.0)
Country
🇨🇳 China
City
Xiamen
RIR
APNIC
Status
assigned
Allocated
-
Announced BGP Routes
0 of 0 routesRPKI:
IRR:
Swipe sideways to see all columns →
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| This prefix is not currently announced in BGP. See covering prefix below. | ||||
Covering Prefix
2 less-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 218.104.128.0/17 | AS9929 CUII - CHINA UNICOM Industrial Internet Backbone | No ROA | - | 2026-10-12 |
| 218.104.224.0/19 | AS4837 CHINA169-Backbone - CHINA UNICOM China169 Backbone | Valid | - | 2026-10-12 |
RPKI ROAs
| Prefix | Origin | Max Length | Trust Anchor |
|---|---|---|---|
| 218.104.224.0/19 | AS4837 | /19 | apnic |
More Specific Prefixes
| Prefix | AS | Country | Status |
|---|---|---|---|
| 218.104.241.24/30 | 🇨🇳CN | assigned | |
| 218.104.241.60/30 | 🇨🇳CN | assigned | |
| 218.104.241.64/30 | 🇨🇳CN | assigned | |
| 218.104.241.72/29 | 🇨🇳CN | assigned | |
| 218.104.241.80/29 | 🇨🇳CN | assigned | |
| 218.104.241.88/30 | 🇨🇳CN | assigned | |
| 218.104.241.92/30 | 🇨🇳CN | assigned | |
| 218.104.241.112/29 | 🇨🇳CN | assigned | |
| 218.104.241.128/29 | 🇨🇳CN | assigned | |
| 218.104.241.136/29 | 🇨🇳CN | assigned | |
| 218.104.241.152/30 | 🇨🇳CN | assigned | |
| 218.104.241.160/29 | 🇨🇳CN | assigned | |
| 218.104.241.168/29 | 🇨🇳CN | assigned | |
| 218.104.241.176/28 | 🇨🇳CN | assigned | |
| 218.104.241.200/30 | 🇨🇳CN | assigned | |
| 218.104.241.208/28 | 🇨🇳CN | assigned | |
| 218.104.241.228/30 | 🇨🇳CN | assigned | |
| 218.104.241.240/29 | 🇨🇳CN | assigned | |
| 218.104.241.248/29 | 🇨🇳CN | assigned | |
| 218.104.242.0/30 | 🇨🇳CN | assigned | |
| 218.104.242.4/30 | 🇨🇳CN | assigned | |
| 218.104.242.12/30 | 🇨🇳CN | assigned | |
| 218.104.242.56/30 | 🇨🇳CN | assigned | |
| 218.104.242.60/30 | 🇨🇳CN | assigned | |
| 218.104.242.72/29 | 🇨🇳CN | assigned | |
| 218.104.242.88/30 | 🇨🇳CN | assigned | |
| 218.104.242.132/30 | 🇨🇳CN | assigned | |
| 218.104.242.136/29 | 🇨🇳CN | assigned | |
| 218.104.242.152/29 | 🇨🇳CN | assigned | |
| 218.104.242.160/29 | 🇨🇳CN | assigned | |
| 218.104.242.168/29 | 🇨🇳CN | assigned | |
| 218.104.242.176/30 | 🇨🇳CN | assigned | |
| 218.104.242.188/30 | 🇨🇳CN | assigned | |
| 218.104.242.196/30 | 🇨🇳CN | assigned | |
| 218.104.242.200/29 | 🇨🇳CN | assigned | |
| 218.104.242.216/29 | 🇨🇳CN | assigned | |
| 218.104.243.0/29 | 🇨🇳CN | assigned | |
| 218.104.243.8/29 | 🇨🇳CN | assigned | |
| 218.104.243.16/28 | 🇨🇳CN | assigned | |
| 218.104.243.128/30 | 🇨🇳CN | assigned | |
| 218.104.243.136/29 | 🇨🇳CN | assigned | |
| 218.104.243.144/29 | 🇨🇳CN | assigned | |
| 218.104.243.160/29 | 🇨🇳CN | assigned | |
| 218.104.243.168/29 | 🇨🇳CN | assigned | |
| 218.104.243.176/29 | 🇨🇳CN | assigned | |
| 218.104.243.192/30 | 🇨🇳CN | assigned | |
| 218.104.243.212/30 | 🇨🇳CN | assigned | |
| 218.104.243.220/30 | 🇨🇳CN | assigned | |
| 218.104.243.228/30 | 🇨🇳CN | assigned | |
| 218.104.243.232/30 | 🇨🇳CN | assigned | |
| 218.104.243.236/30 | 🇨🇳CN | assigned | |
| 218.104.243.248/30 | 🇨🇳CN | assigned | |
| 218.104.243.252/30 | 🇨🇳CN | assigned | |
| 218.104.244.0/30 | 🇨🇳CN | assigned | |
| 218.104.244.24/29 | 🇨🇳CN | assigned | |
| 218.104.244.40/30 | 🇨🇳CN | assigned | |
| 218.104.244.44/30 | 🇨🇳CN | assigned | |
| 218.104.244.48/29 | 🇨🇳CN | assigned | |
| 218.104.244.104/30 | 🇨🇳CN | assigned | |
| 218.104.244.108/30 | 🇨🇳CN | assigned | |
| 218.104.244.116/30 | 🇨🇳CN | assigned | |
| 218.104.244.120/30 | 🇨🇳CN | assigned | |
| 218.104.244.128/29 | 🇨🇳CN | assigned | |
| 218.104.244.136/30 | 🇨🇳CN | assigned | |
| 218.104.244.140/30 | 🇨🇳CN | assigned | |
| 218.104.244.144/30 | 🇨🇳CN | assigned | |
| 218.104.244.148/30 | 🇨🇳CN | assigned | |
| 218.104.244.164/30 | 🇨🇳CN | assigned | |
| 218.104.244.168/30 | 🇨🇳CN | assigned | |
| 218.104.244.184/29 | 🇨🇳CN | assigned | |
| 218.104.244.192/30 | 🇨🇳CN | assigned | |
| 218.104.244.200/30 | 🇨🇳CN | assigned | |
| 218.104.244.204/30 | 🇨🇳CN | assigned | |
| 218.104.244.208/29 | 🇨🇳CN | assigned | |
| 218.104.244.216/29 | 🇨🇳CN | assigned | |
| 218.104.244.224/30 | 🇨🇳CN | assigned | |
| 218.104.244.228/30 | 🇨🇳CN | assigned | |
| 218.104.244.232/30 | 🇨🇳CN | assigned | |
| 218.104.244.236/30 | 🇨🇳CN | assigned | |
| 218.104.244.248/30 | 🇨🇳CN | assigned | |
| 218.104.245.0/29 | 🇨🇳CN | assigned | |
| 218.104.245.8/29 | 🇨🇳CN | assigned | |
| 218.104.245.16/29 | 🇨🇳CN | assigned | |
| 218.104.245.28/30 | 🇨🇳CN | assigned | |
| 218.104.245.32/29 | 🇨🇳CN | assigned | |
| 218.104.245.64/27 | 🇨🇳CN | assigned | |
| 218.104.245.96/30 | 🇨🇳CN | assigned | |
| 218.104.245.104/29 | 🇨🇳CN | assigned | |
| 218.104.245.144/29 | 🇨🇳CN | assigned | |
| 218.104.245.152/30 | 🇨🇳CN | assigned | |
| 218.104.246.0/30 | 🇨🇳CN | assigned | |
| 218.104.246.8/29 | 🇨🇳CN | assigned | |
| 218.104.246.128/30 | 🇨🇳CN | assigned | |
| 218.104.246.132/30 | 🇨🇳CN | assigned | |
| 218.104.246.136/29 | 🇨🇳CN | assigned | |
| 218.104.246.144/30 | 🇨🇳CN | assigned | |
| 218.104.246.148/30 | 🇨🇳CN | assigned | |
| 218.104.246.152/29 | 🇨🇳CN | assigned | |
| 218.104.246.192/29 | 🇨🇳CN | assigned | |
| 218.104.246.200/30 | 🇨🇳CN | assigned |
Related Prefixes
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/218.104.240.0/20Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/218.104.240.0/20" | jq
External Links