HomePrefix Lookup123.103.0.0/17

123.103.0.0/17

🇨🇳
IPv4APNICallocated RPKI Valid
CIDR
123.103.0.0/17
IP Version
IPv4
Addresses
32.7K
Mask
/17 (255.255.128.0)
Country
🇨🇳 China
City
Beijing
RIR
APNIC
Status
allocated
Allocated
12/6/2006

Announced BGP Routes

0 of 0 routes
RPKI:
IRR:
PrefixOrigin ASRPKIIRRLast Seen
This prefix is not currently announced in BGP. See covering prefix below.

Covering Prefix

79 less-specific announcements
PrefixOrigin ASRPKIIRRLast Seen
123.103.80.0/20AS4808CHINA169-BJ - China Unicom Beijing Province Network Valid—6/13/2026
123.103.96.0/20AS4808CHINA169-BJ - China Unicom Beijing Province Network Valid—6/13/2026
123.103.112.0/20AS4808CHINA169-BJ - China Unicom Beijing Province Network Valid—6/13/2026
123.103.112.0/20AS9808CHINAMOBILE-CN - China Mobile Communications Group Co., Ltd. Valid—6/13/2026
123.103.80.0/20AS9808CHINAMOBILE-CN - China Mobile Communications Group Co., Ltd. Valid—6/13/2026
123.103.112.0/20AS23724CHINANET-IDC-BJ-AP - IDC, China Telecommunications Corporation Valid—6/13/2026
123.103.80.0/20AS23724CHINANET-IDC-BJ-AP - IDC, China Telecommunications Corporation Valid—6/13/2026
123.103.64.0/21AS4808CHINA169-BJ - China Unicom Beijing Province Network Valid—6/13/2026
123.103.40.0/21AS4808CHINA169-BJ - China Unicom Beijing Province Network Valid—6/13/2026
123.103.56.0/21AS4808CHINA169-BJ - China Unicom Beijing Province Network Valid—6/13/2026
123.103.72.0/21AS4808CHINA169-BJ - China Unicom Beijing Province Network Valid—6/13/2026
123.103.48.0/21AS4808CHINA169-BJ - China Unicom Beijing Province Network Valid—6/13/2026
123.103.72.0/21AS9808CHINAMOBILE-CN - China Mobile Communications Group Co., Ltd. Valid—6/13/2026
123.103.48.0/21AS9808CHINAMOBILE-CN - China Mobile Communications Group Co., Ltd. Valid—6/13/2026
123.103.40.0/21AS9808CHINAMOBILE-CN - China Mobile Communications Group Co., Ltd. Valid—6/13/2026
123.103.56.0/21AS9808CHINAMOBILE-CN - China Mobile Communications Group Co., Ltd. Valid—6/13/2026
123.103.56.0/21AS23724CHINANET-IDC-BJ-AP - IDC, China Telecommunications Corporation Valid—6/13/2026
123.103.40.0/21AS23724CHINANET-IDC-BJ-AP - IDC, China Telecommunications Corporation Valid—6/13/2026
123.103.72.0/21AS23724CHINANET-IDC-BJ-AP - IDC, China Telecommunications Corporation Valid—6/13/2026
123.103.48.0/21AS23724CHINANET-IDC-BJ-AP - IDC, China Telecommunications Corporation Valid—6/13/2026
123.103.16.0/22AS4808CHINA169-BJ - China Unicom Beijing Province Network Valid—6/13/2026
123.103.20.0/22AS4808CHINA169-BJ - China Unicom Beijing Province Network Valid—6/13/2026
123.103.4.0/22AS4808CHINA169-BJ - China Unicom Beijing Province Network Valid—6/13/2026
123.103.8.0/22AS4808CHINA169-BJ - China Unicom Beijing Province Network Valid—6/13/2026
123.103.24.0/22AS4808CHINA169-BJ - China Unicom Beijing Province NetworkNo ROA—6/13/2026
123.103.4.0/22AS9808CHINAMOBILE-CN - China Mobile Communications Group Co., Ltd. Valid—6/13/2026
123.103.8.0/22AS9808CHINAMOBILE-CN - China Mobile Communications Group Co., Ltd. Valid—6/13/2026
123.103.16.0/22AS9808CHINAMOBILE-CN - China Mobile Communications Group Co., Ltd. Valid—6/13/2026
123.103.20.0/22AS9808CHINAMOBILE-CN - China Mobile Communications Group Co., Ltd. Valid—6/13/2026
123.103.4.0/22AS23724CHINANET-IDC-BJ-AP - IDC, China Telecommunications Corporation Valid—6/13/2026
123.103.8.0/22AS23724CHINANET-IDC-BJ-AP - IDC, China Telecommunications Corporation Valid—6/13/2026
123.103.20.0/22AS23724CHINANET-IDC-BJ-AP - IDC, China Telecommunications Corporation Valid—6/13/2026
123.103.16.0/22AS23724CHINANET-IDC-BJ-AP - IDC, China Telecommunications Corporation Valid—6/13/2026
123.103.2.0/23AS4808CHINA169-BJ - China Unicom Beijing Province Network Valid—6/13/2026
123.103.0.0/23AS4835CHINANET-IDC-SN - China Telecom (Group) Valid—6/13/2026
123.103.8.0/24AS4808CHINA169-BJ - China Unicom Beijing Province Network Valid—6/13/2026
123.103.12.0/24AS4808CHINA169-BJ - China Unicom Beijing Province Network Valid—6/13/2026
123.103.13.0/24AS4808CHINA169-BJ - China Unicom Beijing Province Network Valid—6/13/2026
123.103.15.0/24AS4808CHINA169-BJ - China Unicom Beijing Province Network Valid—6/13/2026
123.103.28.0/24AS4808CHINA169-BJ - China Unicom Beijing Province Network Valid—6/13/2026
123.103.29.0/24AS4808CHINA169-BJ - China Unicom Beijing Province Network Valid—6/13/2026
123.103.30.0/24AS4808CHINA169-BJ - China Unicom Beijing Province Network Valid—6/13/2026
123.103.12.0/24AS9808CHINAMOBILE-CN - China Mobile Communications Group Co., Ltd. Valid—6/13/2026
123.103.15.0/24AS9808CHINAMOBILE-CN - China Mobile Communications Group Co., Ltd. Valid—6/13/2026
123.103.13.0/24AS9808CHINAMOBILE-CN - China Mobile Communications Group Co., Ltd. Valid—6/13/2026
123.103.14.0/24AS9808CHINAMOBILE-CN - China Mobile Communications Group Co., Ltd. Valid—6/13/2026
123.103.127.0/24AS17442CHINANETCENTER-AP - Internet Service Provider in China Invalid—6/13/2026
123.103.18.0/24AS17442CHINANETCENTER-AP - Internet Service Provider in China Invalid—6/13/2026
123.103.17.0/24AS17442CHINANETCENTER-AP - Internet Service Provider in China Invalid—6/13/2026
123.103.62.0/24AS17442CHINANETCENTER-AP - Internet Service Provider in China Invalid—6/13/2026
123.103.122.0/24AS17442CHINANETCENTER-AP - Internet Service Provider in China Invalid—6/13/2026
123.103.123.0/24AS17442CHINANETCENTER-AP - Internet Service Provider in China Invalid—6/13/2026
123.103.124.0/24AS17442CHINANETCENTER-AP - Internet Service Provider in China Invalid—6/13/2026
123.103.126.0/24AS17442CHINANETCENTER-AP - Internet Service Provider in China Invalid—6/13/2026
123.103.23.0/24AS17442CHINANETCENTER-AP - Internet Service Provider in China Invalid—6/13/2026
123.103.75.0/24AS17442CHINANETCENTER-AP - Internet Service Provider in China Invalid—6/13/2026
123.103.83.0/24AS17442CHINANETCENTER-AP - Internet Service Provider in China Invalid—6/13/2026
123.103.84.0/24AS17442CHINANETCENTER-AP - Internet Service Provider in China Invalid—6/13/2026
123.103.85.0/24AS17442CHINANETCENTER-AP - Internet Service Provider in China Invalid—6/13/2026
123.103.91.0/24AS17442CHINANETCENTER-AP - Internet Service Provider in China Invalid—6/13/2026
123.103.92.0/24AS17442CHINANETCENTER-AP - Internet Service Provider in China Invalid—6/13/2026
123.103.11.0/24AS17442CHINANETCENTER-AP - Internet Service Provider in China Invalid—6/13/2026
123.103.10.0/24AS17442CHINANETCENTER-AP - Internet Service Provider in China Invalid—6/13/2026
123.103.4.0/24AS17442CHINANETCENTER-AP - Internet Service Provider in China Invalid—6/13/2026
123.103.112.0/24AS17442CHINANETCENTER-AP - Internet Service Provider in China Invalid—6/13/2026
123.103.113.0/24AS17442CHINANETCENTER-AP - Internet Service Provider in China Invalid—6/13/2026
123.103.114.0/24AS17442CHINANETCENTER-AP - Internet Service Provider in China Invalid—6/13/2026
123.103.115.0/24AS17442CHINANETCENTER-AP - Internet Service Provider in China Invalid—6/13/2026
123.103.116.0/24AS17442CHINANETCENTER-AP - Internet Service Provider in China Invalid—6/13/2026
123.103.117.0/24AS17442CHINANETCENTER-AP - Internet Service Provider in China Invalid—6/13/2026
123.103.118.0/24AS17442CHINANETCENTER-AP - Internet Service Provider in China Invalid—6/13/2026
123.103.119.0/24AS17442CHINANETCENTER-AP - Internet Service Provider in China Invalid—6/13/2026
123.103.120.0/24AS17442CHINANETCENTER-AP - Internet Service Provider in China Invalid—6/13/2026
123.103.121.0/24AS17442CHINANETCENTER-AP - Internet Service Provider in China Invalid—6/13/2026
123.103.13.0/24AS23724CHINANET-IDC-BJ-AP - IDC, China Telecommunications Corporation Valid—6/13/2026
123.103.8.0/24AS23724CHINANET-IDC-BJ-AP - IDC, China Telecommunications Corporation Valid—6/13/2026
123.103.14.0/24AS23724CHINANET-IDC-BJ-AP - IDC, China Telecommunications Corporation Valid—6/13/2026
123.103.12.0/24AS23724CHINANET-IDC-BJ-AP - IDC, China Telecommunications Corporation Valid—6/13/2026
123.103.15.0/24AS23724CHINANET-IDC-BJ-AP - IDC, China Telecommunications Corporation Valid—6/13/2026
Geolocation
Country🇨🇳ChinaCN
RegionBeijing
CityBeijing
GEThttps://api.ipctl.io/v1/prefix/123.103.0.0/17

Returns prefix allocation, BGP routes, and more-specific subnets.

curl -s "https://api.ipctl.io/v1/prefix/123.103.0.0/17" | jq