220.248.192.0/18 - CHINA UNICOM China169 Backbone (AS4837)
CIDR
220.248.192.0/18
IP Version
IPv4
Addresses
16.3K
Mask
/18 (255.255.192.0)
Country
🇨🇳 China
City
Nanchang
RIR
APNIC
Status
announced
Allocated
-
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
Swipe sideways to see all columns →
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 220.248.192.0/18 | AS4837 CHINA169-Backbone - CHINA UNICOM China169 Backbone | Valid | APNIC | 2026-10-12 |
More-Specific Announcements
29 more-specific announcementsRPKI ROAs
| Prefix | Origin | Max Length | Trust Anchor |
|---|---|---|---|
| 220.248.192.0/18 | AS4837 | /18 | apnic |
IRR Route Objects
| Origin | Registry | Maintainer | Modified |
|---|---|---|---|
| AS4837 | APNIC | MAINT-CNCGROUP-RR | 2018-04-17 |
More Specific Prefixes
| Prefix | AS | Country | Status |
|---|---|---|---|
| 220.248.192.0/19 | AS4837 | 🇨🇳CN | assigned |
| 220.248.198.0/26 | 🇨🇳CN | assigned | |
| 220.248.198.64/27 | 🇨🇳CN | assigned | |
| 220.248.198.96/27 | 🇨🇳CN | assigned | |
| 220.248.198.132/30 | 🇨🇳CN | assigned | |
| 220.248.198.136/30 | 🇨🇳CN | assigned | |
| 220.248.198.160/27 | 🇨🇳CN | assigned | |
| 220.248.198.192/26 | 🇨🇳CN | assigned | |
| 220.248.199.0/28 | 🇨🇳CN | assigned | |
| 220.248.199.16/28 | 🇨🇳CN | assigned | |
| 220.248.199.32/27 | 🇨🇳CN | assigned | |
| 220.248.199.64/27 | 🇨🇳CN | assigned | |
| 220.248.199.96/27 | 🇨🇳CN | assigned | |
| 220.248.199.128/27 | 🇨🇳CN | assigned | |
| 220.248.199.160/27 | 🇨🇳CN | assigned | |
| 220.248.199.192/26 | 🇨🇳CN | assigned | |
| 220.248.200.0/26 | 🇨🇳CN | assigned | |
| 220.248.200.64/28 | 🇨🇳CN | assigned | |
| 220.248.200.80/28 | 🇨🇳CN | assigned | |
| 220.248.200.104/29 | 🇨🇳CN | assigned | |
| 220.248.200.128/28 | 🇨🇳CN | assigned | |
| 220.248.200.144/29 | 🇨🇳CN | assigned | |
| 220.248.200.152/29 | 🇨🇳CN | assigned | |
| 220.248.200.160/29 | 🇨🇳CN | assigned | |
| 220.248.200.168/29 | 🇨🇳CN | assigned | |
| 220.248.200.176/29 | 🇨🇳CN | assigned | |
| 220.248.200.184/29 | 🇨🇳CN | assigned | |
| 220.248.200.192/27 | 🇨🇳CN | assigned | |
| 220.248.200.224/28 | 🇨🇳CN | assigned | |
| 220.248.200.240/29 | 🇨🇳CN | assigned | |
| 220.248.200.248/29 | 🇨🇳CN | assigned | |
| 220.248.201.0/28 | 🇨🇳CN | assigned | |
| 220.248.201.16/28 | 🇨🇳CN | assigned | |
| 220.248.201.32/28 | 🇨🇳CN | assigned | |
| 220.248.201.48/28 | 🇨🇳CN | assigned | |
| 220.248.201.64/28 | 🇨🇳CN | assigned | |
| 220.248.201.80/28 | 🇨🇳CN | assigned | |
| 220.248.201.96/28 | 🇨🇳CN | assigned | |
| 220.248.201.112/28 | 🇨🇳CN | assigned | |
| 220.248.201.128/27 | 🇨🇳CN | assigned | |
| 220.248.201.160/28 | 🇨🇳CN | assigned | |
| 220.248.201.176/28 | 🇨🇳CN | assigned | |
| 220.248.201.192/28 | 🇨🇳CN | assigned | |
| 220.248.201.208/28 | 🇨🇳CN | assigned | |
| 220.248.201.224/27 | 🇨🇳CN | assigned | |
| 220.248.206.0/28 | 🇨🇳CN | assigned | |
| 220.248.206.16/28 | 🇨🇳CN | assigned | |
| 220.248.206.32/28 | 🇨🇳CN | assigned | |
| 220.248.206.48/28 | 🇨🇳CN | assigned | |
| 220.248.206.64/28 | 🇨🇳CN | assigned | |
| 220.248.206.80/28 | 🇨🇳CN | assigned | |
| 220.248.206.96/28 | 🇨🇳CN | assigned | |
| 220.248.206.112/28 | 🇨🇳CN | assigned | |
| 220.248.206.128/29 | 🇨🇳CN | assigned | |
| 220.248.206.144/28 | 🇨🇳CN | assigned | |
| 220.248.206.160/28 | 🇨🇳CN | assigned | |
| 220.248.206.176/28 | 🇨🇳CN | assigned | |
| 220.248.206.192/28 | 🇨🇳CN | assigned | |
| 220.248.206.208/28 | 🇨🇳CN | assigned | |
| 220.248.206.224/28 | 🇨🇳CN | assigned | |
| 220.248.206.240/28 | 🇨🇳CN | assigned | |
| 220.248.218.0/27 | 🇨🇳CN | assigned | |
| 220.248.218.32/27 | 🇨🇳CN | assigned | |
| 220.248.218.64/27 | 🇨🇳CN | assigned | |
| 220.248.218.96/28 | 🇨🇳CN | assigned | |
| 220.248.218.112/28 | 🇨🇳CN | assigned | |
| 220.248.218.128/28 | 🇨🇳CN | assigned | |
| 220.248.218.144/28 | 🇨🇳CN | assigned | |
| 220.248.218.160/28 | 🇨🇳CN | assigned | |
| 220.248.218.176/28 | 🇨🇳CN | assigned | |
| 220.248.218.192/27 | 🇨🇳CN | assigned | |
| 220.248.218.224/28 | 🇨🇳CN | assigned | |
| 220.248.218.240/28 | 🇨🇳CN | assigned | |
| 220.248.220.0/27 | 🇨🇳CN | assigned | |
| 220.248.220.32/27 | 🇨🇳CN | assigned | |
| 220.248.220.64/27 | 🇨🇳CN | assigned | |
| 220.248.220.96/28 | 🇨🇳CN | assigned | |
| 220.248.220.112/28 | 🇨🇳CN | assigned | |
| 220.248.220.128/28 | 🇨🇳CN | assigned | |
| 220.248.220.144/28 | 🇨🇳CN | assigned | |
| 220.248.220.160/28 | 🇨🇳CN | assigned | |
| 220.248.220.176/28 | 🇨🇳CN | assigned | |
| 220.248.220.192/27 | 🇨🇳CN | assigned | |
| 220.248.220.224/28 | 🇨🇳CN | assigned | |
| 220.248.220.240/28 | 🇨🇳CN | assigned | |
| 220.248.221.0/26 | 🇨🇳CN | assigned | |
| 220.248.221.64/27 | 🇨🇳CN | assigned | |
| 220.248.221.96/27 | 🇨🇳CN | assigned | |
| 220.248.221.128/27 | 🇨🇳CN | assigned | |
| 220.248.221.160/27 | 🇨🇳CN | assigned | |
| 220.248.221.192/26 | 🇨🇳CN | assigned | |
| 220.248.224.0/19 | AS4837 | 🇨🇳CN | assigned |
Related Prefixes
More prefixes of AS4837
All prefixes of AS4837 →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/220.248.192.0/18Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/220.248.192.0/18" | jq
External Links