123.103.4.0/22
🇨🇳IPv4APNICannouncedMOAS RPKI Valid
CIDR
123.103.4.0/22
IP Version
IPv4
Addresses
1K
Mask
/22 (255.255.252.0)
Country
🇨🇳 China
City
Beijing
RIR
APNIC
Status
announced
Allocated
-
Announced BGP Routes
3 of 3 routesMOAS - 3 origin ASNs
RPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 123.103.4.0/22 | AS4808CHINA169-BJ - China Unicom Beijing Province Network | Valid | — | 5/31/2026 |
| 123.103.4.0/22 | AS9808CHINAMOBILE-CN - China Mobile Communications Group Co., Ltd. | Valid | RADB | 5/31/2026 |
| 123.103.4.0/22 | AS23724CHINANET-IDC-BJ-AP - IDC, China Telecommunications Corporation | Valid | RADB | 5/31/2026 |
Covering Prefix
1 less-specific announcement| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 123.103.4.0/24 | AS17442CHINANETCENTER-AP - Internet Service Provider in China | Invalid | — | 5/31/2026 |
Origin ASNs (3)
AS4808MOAS
CHINA169-BJ - China Unicom Beijing Province Network
AS9808MOAS
CHINAMOBILE-CN - China Mobile Communications Group Co., Ltd.
AS23724MOAS
CHINANET-IDC-BJ-AP - IDC, China Telecommunications Corporation
Geolocation
API
Open https://api.ipctl.io/v1/prefix/123.103.4.0/22Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/123.103.4.0/22" | jq
External Links