211.80.80.0/20
🇨🇳CIDR
211.80.80.0/20
IP Version
IPv4
Addresses
4K
Mask
/20 (255.255.240.0)
Country
🇨🇳 China
City
Haidian (Haidian Qu)
RIR
APNIC
Status
announced
Allocated
-
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 211.80.80.0/20 | AS4538ERX-CERNET-BKB - China Education and Research Network Center | No ROA | — | 5/31/2026 |
Covering Prefix
9 less-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 211.80.0.0/13 | AS4538ERX-CERNET-BKB - China Education and Research Network Center | No ROA | — | 5/31/2026 |
| 211.80.88.0/21 | AS4538ERX-CERNET-BKB - China Education and Research Network Center | No ROA | — | 5/31/2026 |
| 211.80.80.0/21 | AS4538ERX-CERNET-BKB - China Education and Research Network Center | No ROA | — | 5/31/2026 |
| 211.80.88.0/21 | AS24364CNGI-SH-IX-AS-AP - CERNET2 IX at Shanghai Jiaotong University | No ROA | — | 5/31/2026 |
| 211.80.80.0/21 | AS24364CNGI-SH-IX-AS-AP - CERNET2 IX at Shanghai Jiaotong University | No ROA | — | 5/31/2026 |
| 211.80.82.0/24 | AS4538ERX-CERNET-BKB - China Education and Research Network Center | No ROA | — | 5/31/2026 |
| 211.80.81.0/24 | AS4538ERX-CERNET-BKB - China Education and Research Network Center | No ROA | — | 5/31/2026 |
| 211.80.82.0/24 | AS24364CNGI-SH-IX-AS-AP - CERNET2 IX at Shanghai Jiaotong University | No ROA | — | 5/31/2026 |
| 211.80.81.0/24 | AS24364CNGI-SH-IX-AS-AP - CERNET2 IX at Shanghai Jiaotong University | No ROA | — | 5/31/2026 |
Geolocation
API
Open https://api.ipctl.io/v1/prefix/211.80.80.0/20Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/211.80.80.0/20" | jq
External Links