203.148.0.0/18
🇨🇳CIDR
203.148.0.0/18
IP Version
IPv4
Addresses
16.3K
Mask
/18 (255.255.192.0)
Country
🇨🇳 China
City
Longtan (Chaoyang)
RIR
APNIC
Status
allocated
Allocated
12/19/2003
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 203.148.0.0/18 | AS9939DYXNET-CN - DYXNET of Shenzhen Communication Co., Ltd. | Valid | RADB | 5/31/2026 |
Covering Prefix
8 less-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 203.148.0.0/19 | AS9939DYXNET-CN - DYXNET of Shenzhen Communication Co., Ltd. | Valid | — | 5/31/2026 |
| 203.148.32.0/19 | AS9939DYXNET-CN - DYXNET of Shenzhen Communication Co., Ltd. | Valid | — | 5/31/2026 |
| 203.148.52.0/22 | AS9939DYXNET-CN - DYXNET of Shenzhen Communication Co., Ltd. | Valid | — | 5/31/2026 |
| 203.148.12.0/22 | AS9939DYXNET-CN - DYXNET of Shenzhen Communication Co., Ltd. | Valid | — | 5/31/2026 |
| 203.148.20.0/22 | AS9939DYXNET-CN - DYXNET of Shenzhen Communication Co., Ltd. | Valid | — | 5/31/2026 |
| 203.148.27.0/24 | AS9939DYXNET-CN - DYXNET of Shenzhen Communication Co., Ltd. | Valid | — | 5/31/2026 |
| 203.148.35.0/24 | AS9939DYXNET-CN - DYXNET of Shenzhen Communication Co., Ltd. | Valid | — | 5/31/2026 |
| 203.148.23.0/24 | AS9939DYXNET-CN - DYXNET of Shenzhen Communication Co., Ltd. | Valid | — | 5/31/2026 |
Geolocation
API
Open https://api.ipctl.io/v1/prefix/203.148.0.0/18Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/203.148.0.0/18" | jq
External Links