221.6.228.0/22 - BGP Prefix
IPv4APNICassigned RPKI Valid
CIDR
221.6.228.0/22
IP Version
IPv4
Addresses
1K
Mask
/22 (255.255.252.0)
Country
🇨🇳 China
City
Huai'an
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
1 less-specific announcement| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 221.6.0.0/16 | AS4837 CHINA169-Backbone - CHINA UNICOM China169 Backbone | Valid | - | 2026-10-12 |
RPKI ROAs
| Prefix | Origin | Max Length | Trust Anchor |
|---|---|---|---|
| 221.6.0.0/16 | AS4837 | /16 | apnic |
More Specific Prefixes
| Prefix | AS | Country | Status |
|---|---|---|---|
| 221.6.231.0/30 | 🇨🇳CN | assigned | |
| 221.6.231.4/30 | 🇨🇳CN | assigned | |
| 221.6.231.8/29 | 🇨🇳CN | assigned | |
| 221.6.231.16/30 | 🇨🇳CN | assigned | |
| 221.6.231.20/30 | 🇨🇳CN | assigned | |
| 221.6.231.24/30 | 🇨🇳CN | assigned | |
| 221.6.231.28/30 | 🇨🇳CN | assigned | |
| 221.6.231.32/29 | 🇨🇳CN | assigned | |
| 221.6.231.56/30 | 🇨🇳CN | assigned | |
| 221.6.231.64/30 | 🇨🇳CN | assigned | |
| 221.6.231.72/30 | 🇨🇳CN | assigned | |
| 221.6.231.76/30 | 🇨🇳CN | assigned | |
| 221.6.231.80/30 | 🇨🇳CN | assigned | |
| 221.6.231.88/30 | 🇨🇳CN | assigned | |
| 221.6.231.92/30 | 🇨🇳CN | assigned | |
| 221.6.231.96/30 | 🇨🇳CN | assigned | |
| 221.6.231.104/30 | 🇨🇳CN | assigned | |
| 221.6.231.128/30 | 🇨🇳CN | assigned | |
| 221.6.231.132/30 | 🇨🇳CN | assigned | |
| 221.6.231.136/30 | 🇨🇳CN | assigned | |
| 221.6.231.140/30 | 🇨🇳CN | assigned | |
| 221.6.231.144/30 | 🇨🇳CN | assigned | |
| 221.6.231.148/30 | 🇨🇳CN | assigned | |
| 221.6.231.152/30 | 🇨🇳CN | assigned | |
| 221.6.231.160/30 | 🇨🇳CN | assigned | |
| 221.6.231.164/30 | 🇨🇳CN | assigned | |
| 221.6.231.172/30 | 🇨🇳CN | assigned | |
| 221.6.231.176/29 | 🇨🇳CN | assigned | |
| 221.6.231.192/27 | 🇨🇳CN | assigned | |
| 221.6.231.224/27 | 🇨🇳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/221.6.228.0/22Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/221.6.228.0/22" | jq
External Links