202.100.104.0/21 - BGP Prefix
IPv4APNICallocated RPKI Valid
CIDR
202.100.104.0/21
IP Version
IPv4
Addresses
2K
Mask
/21 (255.255.248.0)
Country
🇨🇳 China
City
Beijing
RIR
APNIC
Status
allocated
Allocated
1998-03-22
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 announced as a whole. Parts of it are announced as more-specific prefixes, see below. | ||||
Related Announcements
1 less-specific, 1 more-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 202.100.96.0/19 | AS4134 CHINANET-BACKBONE - No.31,Jin-rong Street | Valid | - | 2026-10-12 |
| 202.100.105.0/24 | AS4134 CHINANET-BACKBONE - No.31,Jin-rong Street | Valid | - | 2026-10-12 |
RPKI ROAs
| Prefix | Origin | Max Length | Trust Anchor |
|---|---|---|---|
| 202.100.96.0/19 | AS4134 | /19 | apnic |
More Specific Prefixes
| Prefix | AS | Country | Status |
|---|---|---|---|
| 202.100.104.0/23 | 🇨🇳CN | assigned | |
| 202.100.106.0/23 | 🇨🇳CN | assigned | |
| 202.100.106.0/27 | 🇨🇳CN | assigned | |
| 202.100.106.32/27 | 🇨🇳CN | assigned | |
| 202.100.106.128/27 | 🇨🇳CN | assigned | |
| 202.100.107.32/27 | 🇨🇳CN | assigned | |
| 202.100.107.64/27 | 🇨🇳CN | assigned | |
| 202.100.107.96/27 | 🇨🇳CN | assigned | |
| 202.100.107.128/27 | 🇨🇳CN | assigned | |
| 202.100.107.160/27 | 🇨🇳CN | assigned | |
| 202.100.107.192/27 | 🇨🇳CN | assigned | |
| 202.100.107.224/27 | 🇨🇳CN | assigned | |
| 202.100.108.0/23 | 🇨🇳CN | assigned | |
| 202.100.108.0/27 | 🇨🇳CN | assigned | |
| 202.100.108.64/27 | 🇨🇳CN | assigned | |
| 202.100.108.96/27 | 🇨🇳CN | assigned | |
| 202.100.108.128/27 | 🇨🇳CN | assigned | |
| 202.100.108.192/27 | 🇨🇳CN | assigned | |
| 202.100.108.224/27 | 🇨🇳CN | assigned | |
| 202.100.110.0/24 | 🇨🇳CN | assigned | |
| 202.100.111.0/24 | 🇨🇳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/202.100.104.0/21Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/202.100.104.0/21" | jq
External Links