220.248.0.0/18 - China Unicom Shanghai Network (AS17621)
CIDR
220.248.0.0/18
IP Version
IPv4
Addresses
16.3K
Mask
/18 (255.255.192.0)
Country
🇨🇳 China
City
Shanghai
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 |
|---|---|---|---|---|
| 220.248.0.0/18 | AS17621 CNCGROUP-SH - China Unicom Shanghai network | Valid | APNICOther IRR | 2026-10-12 |
More-Specific Announcements
3 more-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 220.248.42.0/23 | AS140979 UNICOM-SHFT-IDC - China Unicom Shanghai FuTe IDC network | Valid | - | 2026-10-12 |
| 220.248.42.0/24 | AS140979 UNICOM-SHFT-IDC - China Unicom Shanghai FuTe IDC network | Valid | - | 2026-10-12 |
| 220.248.59.0/24 | AS9929 CUII - CHINA UNICOM Industrial Internet Backbone | Valid | - | 2026-10-12 |
RPKI ROAs
| Prefix | Origin | Max Length | Trust Anchor |
|---|---|---|---|
| 220.248.0.0/18 | AS17621 | /18 | apnic |
More Specific Prefixes
| Prefix | AS | Country | Status |
|---|---|---|---|
| 220.248.0.128/25 | 🇨🇳CN | assigned | |
| 220.248.1.96/28 | 🇨🇳CN | assigned | |
| 220.248.4.32/28 | 🇨🇳CN | assigned | |
| 220.248.5.0/28 | 🇨🇳CN | assigned | |
| 220.248.5.64/28 | 🇨🇳CN | assigned | |
| 220.248.5.80/28 | 🇨🇳CN | assigned | |
| 220.248.6.16/28 | 🇨🇳CN | assigned | |
| 220.248.6.64/26 | 🇨🇳CN | assigned | |
| 220.248.9.32/28 | 🇨🇳CN | assigned | |
| 220.248.9.224/29 | 🇨🇳CN | assigned | |
| 220.248.12.64/27 | 🇨🇳CN | assigned | |
| 220.248.12.96/28 | 🇨🇳CN | assigned | |
| 220.248.12.112/28 | 🇨🇳CN | assigned | |
| 220.248.12.224/27 | 🇨🇳CN | assigned | |
| 220.248.13.16/28 | 🇨🇳CN | assigned | |
| 220.248.13.32/27 | 🇨🇳CN | assigned | |
| 220.248.13.64/27 | 🇨🇳CN | assigned | |
| 220.248.13.96/28 | 🇨🇳CN | assigned | |
| 220.248.13.240/28 | 🇨🇳CN | assigned | |
| 220.248.15.144/28 | 🇨🇳CN | assigned | |
| 220.248.17.0/29 | 🇨🇳CN | assigned | |
| 220.248.17.16/29 | 🇨🇳CN | assigned | |
| 220.248.17.64/26 | 🇨🇳CN | assigned | |
| 220.248.17.192/29 | 🇨🇳CN | assigned | |
| 220.248.18.64/26 | 🇨🇳CN | assigned | |
| 220.248.19.16/29 | 🇨🇳CN | assigned | |
| 220.248.19.24/29 | 🇨🇳CN | assigned | |
| 220.248.19.64/26 | 🇨🇳CN | assigned | |
| 220.248.20.0/29 | 🇨🇳CN | assigned | |
| 220.248.20.64/28 | 🇨🇳CN | assigned | |
| 220.248.20.80/28 | 🇨🇳CN | assigned | |
| 220.248.21.16/29 | 🇨🇳CN | assigned | |
| 220.248.21.112/29 | 🇨🇳CN | assigned | |
| 220.248.23.48/29 | 🇨🇳CN | assigned | |
| 220.248.23.88/29 | 🇨🇳CN | assigned | |
| 220.248.23.112/28 | 🇨🇳CN | assigned | |
| 220.248.25.72/29 | 🇨🇳CN | assigned | |
| 220.248.25.96/27 | 🇨🇳CN | assigned | |
| 220.248.26.176/29 | 🇨🇳CN | assigned | |
| 220.248.27.48/29 | 🇨🇳CN | assigned | |
| 220.248.28.16/28 | 🇨🇳CN | assigned | |
| 220.248.28.32/27 | 🇨🇳CN | assigned | |
| 220.248.28.64/28 | 🇨🇳CN | assigned | |
| 220.248.28.80/28 | 🇨🇳CN | assigned | |
| 220.248.28.232/29 | 🇨🇳CN | assigned | |
| 220.248.28.248/29 | 🇨🇳CN | assigned | |
| 220.248.30.40/29 | 🇨🇳CN | assigned | |
| 220.248.31.16/28 | 🇨🇳CN | assigned | |
| 220.248.31.80/28 | 🇨🇳CN | assigned | |
| 220.248.32.0/25 | 🇨🇳CN | assigned | |
| 220.248.32.144/28 | 🇨🇳CN | assigned | |
| 220.248.32.168/29 | 🇨🇳CN | assigned | |
| 220.248.33.32/29 | 🇨🇳CN | assigned | |
| 220.248.33.40/29 | 🇨🇳CN | assigned | |
| 220.248.33.80/28 | 🇨🇳CN | assigned | |
| 220.248.33.96/28 | 🇨🇳CN | assigned | |
| 220.248.33.112/28 | 🇨🇳CN | assigned | |
| 220.248.35.32/28 | 🇨🇳CN | assigned | |
| 220.248.36.0/28 | 🇨🇳CN | assigned | |
| 220.248.36.16/28 | 🇨🇳CN | assigned | |
| 220.248.36.48/28 | 🇨🇳CN | assigned | |
| 220.248.36.64/27 | 🇨🇳CN | assigned | |
| 220.248.36.192/26 | 🇨🇳CN | assigned | |
| 220.248.37.0/28 | 🇨🇳CN | assigned | |
| 220.248.37.16/28 | 🇨🇳CN | assigned | |
| 220.248.37.48/28 | 🇨🇳CN | assigned | |
| 220.248.37.64/27 | 🇨🇳CN | assigned | |
| 220.248.37.96/28 | 🇨🇳CN | assigned | |
| 220.248.37.128/26 | 🇨🇳CN | assigned | |
| 220.248.38.0/25 | 🇨🇳CN | assigned | |
| 220.248.38.128/25 | 🇨🇳CN | assigned | |
| 220.248.39.0/28 | 🇨🇳CN | assigned | |
| 220.248.39.16/28 | 🇨🇳CN | assigned | |
| 220.248.39.48/28 | 🇨🇳CN | assigned | |
| 220.248.39.64/28 | 🇨🇳CN | assigned | |
| 220.248.39.96/28 | 🇨🇳CN | assigned | |
| 220.248.39.128/25 | 🇨🇳CN | assigned | |
| 220.248.41.112/28 | 🇨🇳CN | assigned | |
| 220.248.45.16/28 | 🇨🇳CN | assigned | |
| 220.248.45.32/28 | 🇨🇳CN | assigned | |
| 220.248.45.64/28 | 🇨🇳CN | assigned | |
| 220.248.45.208/28 | 🇨🇳CN | assigned | |
| 220.248.45.224/27 | 🇨🇳CN | assigned | |
| 220.248.47.32/28 | 🇨🇳CN | assigned | |
| 220.248.48.32/27 | 🇨🇳CN | assigned | |
| 220.248.48.64/26 | 🇨🇳CN | assigned | |
| 220.248.51.48/28 | 🇨🇳CN | assigned | |
| 220.248.52.64/27 | 🇨🇳CN | assigned | |
| 220.248.52.96/28 | 🇨🇳CN | assigned | |
| 220.248.52.112/28 | 🇨🇳CN | assigned | |
| 220.248.54.96/27 | 🇨🇳CN | assigned | |
| 220.248.55.64/26 | 🇨🇳CN | assigned | |
| 220.248.56.64/26 | 🇨🇳CN | assigned | |
| 220.248.57.80/28 | 🇨🇳CN | assigned | |
| 220.248.57.96/28 | 🇨🇳CN | assigned | |
| 220.248.57.112/28 | 🇨🇳CN | assigned | |
| 220.248.58.0/25 | 🇨🇳CN | assigned | |
| 220.248.58.128/25 | 🇨🇳CN | assigned | |
| 220.248.59.0/25 | 🇨🇳CN | assigned | |
| 220.248.59.128/25 | 🇨🇳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/220.248.0.0/18Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/220.248.0.0/18" | jq
External Links