218.21.0.0/19 - No.31,Jin Rong Street (AS4134)
CIDR
218.21.0.0/19
IP Version
IPv4
Addresses
8.1K
Mask
/19 (255.255.224.0)
Country
🇨🇳 China
City
Beijing
RIR
APNIC
Status
assigned
Allocated
-
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
Swipe sideways to see all columns →
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 218.21.0.0/19 | AS4134 CHINANET-BACKBONE - No.31,Jin-rong Street | Valid | APNICOther IRR | 2026-10-13 |
More-Specific Announcements
1 more-specific announcement| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 218.21.26.0/24 | AS4134 CHINANET-BACKBONE - No.31,Jin-rong Street | Invalid | - | 2026-10-13 |
RPKI ROAs
| Prefix | Origin | Max Length | Trust Anchor |
|---|---|---|---|
| 218.21.0.0/19 | AS4134 | /19 | apnic |
More Specific Prefixes
| Prefix | AS | Country | Status |
|---|---|---|---|
| 218.21.0.0/21 | 🇨🇳CN | assigned | |
| 218.21.8.0/22 | 🇨🇳CN | assigned | |
| 218.21.12.0/23 | 🇨🇳CN | assigned | |
| 218.21.14.0/23 | 🇨🇳CN | assigned | |
| 218.21.16.0/21 | 🇨🇳CN | assigned | |
| 218.21.24.0/22 | 🇨🇳CN | assigned | |
| 218.21.28.0/23 | 🇨🇳CN | assigned | |
| 218.21.30.0/24 | 🇨🇳CN | assigned | |
| 218.21.31.0/24 | 🇨🇳CN | assigned |
Related Prefixes
More prefixes of AS4134
All prefixes of AS4134 →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/218.21.0.0/19Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/218.21.0.0/19" | jq
External Links