103.237.0.0/19
🇨🇳IPv4RIPEassigned RPKI Valid
CIDR
103.237.0.0/19
IP Version
IPv4
Addresses
8.1K
Mask
/19 (255.255.224.0)
Country
🇨🇳 China
City
Beijing
RIR
RIPE
Status
assigned
Allocated
-
Announced BGP Routes
0 of 0 routesRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| This prefix is not currently announced in BGP. See covering prefix below. | ||||
Covering Prefix
7 less-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 103.237.8.0/22 | AS23724CHINANET-IDC-BJ-AP - IDC, China Telecommunications Corporation | Valid | — | 5/30/2026 |
| 103.237.16.0/22 | AS38195SUPERLOOP-AS-AP - Superloop | Valid | — | 5/30/2026 |
| 103.237.20.0/22 | AS38387CMBSEJONG-AS-KR-KR - CMB Sejong Broadcasting Co,.Ltd | No ROA | — | 5/30/2026 |
| 103.237.28.0/23 | AS4811CHINANET-SHANGHAI-MAN - China Telecom (Group) | Valid | — | 5/30/2026 |
| 103.237.8.0/23 | AS56282VClouD - Beijing Internet Harbor Technology Co., Ltd | Invalid | — | 5/30/2026 |
| 103.237.10.0/23 | AS56282VClouD - Beijing Internet Harbor Technology Co., Ltd | Invalid | — | 5/30/2026 |
| 103.237.11.0/24 | AS56282VClouD - Beijing Internet Harbor Technology Co., Ltd | Invalid | — | 5/30/2026 |
More Specific Prefixes
| Prefix | AS | Country | Status |
|---|---|---|---|
| 103.237.28.0/22 | 🇨🇳CN | allocated | |
| 103.237.0.0/22 | 🇨🇳CN | allocated | |
| 103.237.12.0/22 | 🇨🇳CN | allocated | |
| 103.237.24.0/22 | 🇨🇳CN | allocated | |
| 103.237.16.0/22 | AS38195 | 🇦🇺AU | allocated |
| 103.237.4.0/22 | 🇨🇳CN | allocated | |
| 103.237.8.0/22 | AS23724 | 🇨🇳CN | allocated |
| 103.237.20.0/22 | AS38387 | 🇰🇷KR | allocated |
Geolocation
API
Open https://api.ipctl.io/v1/prefix/103.237.0.0/19Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/103.237.0.0/19" | jq
External Links