218.104.184.0/21 - BGP Prefix
IPv4APNICassignedNo ROA
CIDR
218.104.184.0/21
IP Version
IPv4
Addresses
2K
Mask
/21 (255.255.248.0)
Country
🇨🇳 China
City
Beijing
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 |
| 218.104.160.0/19 | AS17816 CHINA169-GZ - China Unicom IP network China169 Guangdong province | Valid | - | 2026-10-12 |
RPKI ROAs
| Prefix | Origin | Max Length | Trust Anchor |
|---|---|---|---|
| 218.104.160.0/19 | AS17816 | /19 | apnic |
More Specific Prefixes
| Prefix | AS | Country | Status |
|---|---|---|---|
| 218.104.187.0/25 | 🇨🇳CN | assigned | |
| 218.104.187.128/25 | 🇨🇳CN | assigned | |
| 218.104.188.0/25 | 🇨🇳CN | assigned | |
| 218.104.188.128/25 | 🇨🇳CN | assigned | |
| 218.104.189.0/25 | 🇨🇳CN | assigned | |
| 218.104.189.128/25 | 🇨🇳CN | assigned | |
| 218.104.190.0/26 | 🇨🇳CN | assigned | |
| 218.104.190.64/27 | 🇨🇳CN | assigned | |
| 218.104.190.96/30 | 🇨🇳CN | assigned | |
| 218.104.190.100/30 | 🇨🇳CN | assigned | |
| 218.104.190.104/30 | 🇨🇳CN | assigned | |
| 218.104.190.108/30 | 🇨🇳CN | assigned | |
| 218.104.190.112/28 | 🇨🇳CN | assigned | |
| 218.104.190.128/27 | 🇨🇳CN | assigned | |
| 218.104.190.160/27 | 🇨🇳CN | assigned | |
| 218.104.190.192/26 | 🇨🇳CN | assigned | |
| 218.104.191.0/27 | 🇨🇳CN | assigned | |
| 218.104.191.32/27 | 🇨🇳CN | assigned | |
| 218.104.191.64/28 | 🇨🇳CN | assigned | |
| 218.104.191.80/28 | 🇨🇳CN | assigned | |
| 218.104.191.96/27 | 🇨🇳CN | assigned | |
| 218.104.191.128/27 | 🇨🇳CN | assigned | |
| 218.104.191.160/27 | 🇨🇳CN | assigned | |
| 218.104.191.192/28 | 🇨🇳CN | assigned | |
| 218.104.191.208/28 | 🇨🇳CN | assigned | |
| 218.104.191.224/29 | 🇨🇳CN | assigned | |
| 218.104.191.232/29 | 🇨🇳CN | assigned | |
| 218.104.191.240/29 | 🇨🇳CN | assigned | |
| 218.104.191.248/29 | 🇨🇳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/218.104.184.0/21Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/218.104.184.0/21" | jq
External Links