218.199.8.0/21
🇨🇳CIDR
218.199.8.0/21
IP Version
IPv4
Addresses
2K
Mask
/21 (255.255.248.0)
Country
🇨🇳 China
City
Beijing
RIR
APNIC
Status
announced
Allocated
-
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 218.199.8.0/21 | AS4538ERX-CERNET-BKB - China Education and Research Network Center | No ROA | — | 6/1/2026 |
Covering Prefix
4 less-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 218.192.0.0/13 | AS4538ERX-CERNET-BKB - China Education and Research Network Center | No ROA | — | 6/1/2026 |
| 218.199.0.0/16 | AS4538ERX-CERNET-BKB - China Education and Research Network Center | No ROA | — | 6/1/2026 |
| 218.199.0.0/16 | AS24358CNGI-WH-IX-AS-AP - CERNET2 IX at Huazhong University of Science and Technology | No ROA | — | 6/1/2026 |
| 218.199.8.0/24 | AS24358CNGI-WH-IX-AS-AP - CERNET2 IX at Huazhong University of Science and Technology | No ROA | — | 6/1/2026 |
Geolocation
API
Open https://api.ipctl.io/v1/prefix/218.199.8.0/21Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/218.199.8.0/21" | jq
External Links