202.103.0.0/21 - BGP Prefix
IPv4APNICallocated RPKI Valid
CIDR
202.103.0.0/21
IP Version
IPv4
Addresses
2K
Mask
/21 (255.255.248.0)
Country
🇨🇳 China
City
Shizishan
RIR
APNIC
Status
allocated
Allocated
1996-03-19
Announced BGP Routes
0 of 0 routesRPKI:
IRR:
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| 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 |
|---|---|---|---|---|
| 202.103.0.0/18 | AS4134 CHINANET-BACKBONE - No.31,Jin-rong Street | Valid | - | 2026-10-12 |
| 202.103.0.0/20 | AS137266 CHINATELECOM-HUBEI-WUHAN-5G-NETWORK - CHINATELECOM Hubei province Wuhan 5G network | Valid | - | 2026-10-12 |
More Specific Prefixes
| Prefix | AS | Country | Status |
|---|---|---|---|
| 202.103.2.172/30 | 🇨🇳CN | assigned | |
| 202.103.3.0/26 | 🇨🇳CN | assigned | |
| 202.103.3.64/29 | 🇨🇳CN | assigned | |
| 202.103.3.128/27 | 🇨🇳CN | assigned | |
| 202.103.3.160/29 | 🇨🇳CN | assigned | |
| 202.103.3.168/29 | 🇨🇳CN | assigned | |
| 202.103.3.176/29 | 🇨🇳CN | assigned | |
| 202.103.3.184/29 | 🇨🇳CN | assigned | |
| 202.103.3.224/27 | 🇨🇳CN | assigned | |
| 202.103.6.128/29 | 🇨🇳CN | assigned | |
| 202.103.6.136/29 | 🇨🇳CN | assigned | |
| 202.103.6.144/30 | 🇨🇳CN | assigned | |
| 202.103.6.148/30 | 🇨🇳CN | assigned | |
| 202.103.6.152/29 | 🇨🇳CN | assigned | |
| 202.103.6.160/28 | 🇨🇳CN | assigned | |
| 202.103.6.176/28 | 🇨🇳CN | assigned | |
| 202.103.6.224/28 | 🇨🇳CN | assigned | |
| 202.103.6.248/29 | 🇨🇳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/202.103.0.0/21Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/202.103.0.0/21" | jq
External Links