Home Prefix 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:

Prefix	Origin AS	RPKI	IRR	Last Seen
This prefix is not currently announced in BGP. See covering prefix below.

Covering Prefix

79 less-specific announcements

Prefix	Origin AS	RPKI	IRR	Last Seen
123.103.80.0/20	AS4808CHINA169-BJ - China Unicom Beijing Province Network	Valid	—	6/13/2026
123.103.96.0/20	AS4808CHINA169-BJ - China Unicom Beijing Province Network	Valid	—	6/13/2026
123.103.112.0/20	AS4808CHINA169-BJ - China Unicom Beijing Province Network	Valid	—	6/13/2026
123.103.112.0/20	AS9808CHINAMOBILE-CN - China Mobile Communications Group Co., Ltd.	Valid	—	6/13/2026
123.103.80.0/20	AS9808CHINAMOBILE-CN - China Mobile Communications Group Co., Ltd.	Valid	—	6/13/2026
123.103.112.0/20	AS23724CHINANET-IDC-BJ-AP - IDC, China Telecommunications Corporation	Valid	—	6/13/2026
123.103.80.0/20	AS23724CHINANET-IDC-BJ-AP - IDC, China Telecommunications Corporation	Valid	—	6/13/2026
123.103.64.0/21	AS4808CHINA169-BJ - China Unicom Beijing Province Network	Valid	—	6/13/2026
123.103.40.0/21	AS4808CHINA169-BJ - China Unicom Beijing Province Network	Valid	—	6/13/2026
123.103.56.0/21	AS4808CHINA169-BJ - China Unicom Beijing Province Network	Valid	—	6/13/2026
123.103.72.0/21	AS4808CHINA169-BJ - China Unicom Beijing Province Network	Valid	—	6/13/2026
123.103.48.0/21	AS4808CHINA169-BJ - China Unicom Beijing Province Network	Valid	—	6/13/2026
123.103.72.0/21	AS9808CHINAMOBILE-CN - China Mobile Communications Group Co., Ltd.	Valid	—	6/13/2026
123.103.48.0/21	AS9808CHINAMOBILE-CN - China Mobile Communications Group Co., Ltd.	Valid	—	6/13/2026
123.103.40.0/21	AS9808CHINAMOBILE-CN - China Mobile Communications Group Co., Ltd.	Valid	—	6/13/2026
123.103.56.0/21	AS9808CHINAMOBILE-CN - China Mobile Communications Group Co., Ltd.	Valid	—	6/13/2026
123.103.56.0/21	AS23724CHINANET-IDC-BJ-AP - IDC, China Telecommunications Corporation	Valid	—	6/13/2026
123.103.40.0/21	AS23724CHINANET-IDC-BJ-AP - IDC, China Telecommunications Corporation	Valid	—	6/13/2026
123.103.72.0/21	AS23724CHINANET-IDC-BJ-AP - IDC, China Telecommunications Corporation	Valid	—	6/13/2026
123.103.48.0/21	AS23724CHINANET-IDC-BJ-AP - IDC, China Telecommunications Corporation	Valid	—	6/13/2026
123.103.16.0/22	AS4808CHINA169-BJ - China Unicom Beijing Province Network	Valid	—	6/13/2026
123.103.20.0/22	AS4808CHINA169-BJ - China Unicom Beijing Province Network	Valid	—	6/13/2026
123.103.4.0/22	AS4808CHINA169-BJ - China Unicom Beijing Province Network	Valid	—	6/13/2026
123.103.8.0/22	AS4808CHINA169-BJ - China Unicom Beijing Province Network	Valid	—	6/13/2026
123.103.24.0/22	AS4808CHINA169-BJ - China Unicom Beijing Province Network	No ROA	—	6/13/2026
123.103.4.0/22	AS9808CHINAMOBILE-CN - China Mobile Communications Group Co., Ltd.	Valid	—	6/13/2026
123.103.8.0/22	AS9808CHINAMOBILE-CN - China Mobile Communications Group Co., Ltd.	Valid	—	6/13/2026
123.103.16.0/22	AS9808CHINAMOBILE-CN - China Mobile Communications Group Co., Ltd.	Valid	—	6/13/2026
123.103.20.0/22	AS9808CHINAMOBILE-CN - China Mobile Communications Group Co., Ltd.	Valid	—	6/13/2026
123.103.4.0/22	AS23724CHINANET-IDC-BJ-AP - IDC, China Telecommunications Corporation	Valid	—	6/13/2026
123.103.8.0/22	AS23724CHINANET-IDC-BJ-AP - IDC, China Telecommunications Corporation	Valid	—	6/13/2026
123.103.20.0/22	AS23724CHINANET-IDC-BJ-AP - IDC, China Telecommunications Corporation	Valid	—	6/13/2026
123.103.16.0/22	AS23724CHINANET-IDC-BJ-AP - IDC, China Telecommunications Corporation	Valid	—	6/13/2026
123.103.2.0/23	AS4808CHINA169-BJ - China Unicom Beijing Province Network	Valid	—	6/13/2026
123.103.0.0/23	AS4835CHINANET-IDC-SN - China Telecom (Group)	Valid	—	6/13/2026
123.103.8.0/24	AS4808CHINA169-BJ - China Unicom Beijing Province Network	Valid	—	6/13/2026
123.103.12.0/24	AS4808CHINA169-BJ - China Unicom Beijing Province Network	Valid	—	6/13/2026
123.103.13.0/24	AS4808CHINA169-BJ - China Unicom Beijing Province Network	Valid	—	6/13/2026
123.103.15.0/24	AS4808CHINA169-BJ - China Unicom Beijing Province Network	Valid	—	6/13/2026
123.103.28.0/24	AS4808CHINA169-BJ - China Unicom Beijing Province Network	Valid	—	6/13/2026
123.103.29.0/24	AS4808CHINA169-BJ - China Unicom Beijing Province Network	Valid	—	6/13/2026
123.103.30.0/24	AS4808CHINA169-BJ - China Unicom Beijing Province Network	Valid	—	6/13/2026
123.103.12.0/24	AS9808CHINAMOBILE-CN - China Mobile Communications Group Co., Ltd.	Valid	—	6/13/2026
123.103.15.0/24	AS9808CHINAMOBILE-CN - China Mobile Communications Group Co., Ltd.	Valid	—	6/13/2026
123.103.13.0/24	AS9808CHINAMOBILE-CN - China Mobile Communications Group Co., Ltd.	Valid	—	6/13/2026
123.103.14.0/24	AS9808CHINAMOBILE-CN - China Mobile Communications Group Co., Ltd.	Valid	—	6/13/2026
123.103.127.0/24	AS17442CHINANETCENTER-AP - Internet Service Provider in China	Invalid	—	6/13/2026
123.103.18.0/24	AS17442CHINANETCENTER-AP - Internet Service Provider in China	Invalid	—	6/13/2026
123.103.17.0/24	AS17442CHINANETCENTER-AP - Internet Service Provider in China	Invalid	—	6/13/2026
123.103.62.0/24	AS17442CHINANETCENTER-AP - Internet Service Provider in China	Invalid	—	6/13/2026
123.103.122.0/24	AS17442CHINANETCENTER-AP - Internet Service Provider in China	Invalid	—	6/13/2026
123.103.123.0/24	AS17442CHINANETCENTER-AP - Internet Service Provider in China	Invalid	—	6/13/2026
123.103.124.0/24	AS17442CHINANETCENTER-AP - Internet Service Provider in China	Invalid	—	6/13/2026
123.103.126.0/24	AS17442CHINANETCENTER-AP - Internet Service Provider in China	Invalid	—	6/13/2026
123.103.23.0/24	AS17442CHINANETCENTER-AP - Internet Service Provider in China	Invalid	—	6/13/2026
123.103.75.0/24	AS17442CHINANETCENTER-AP - Internet Service Provider in China	Invalid	—	6/13/2026
123.103.83.0/24	AS17442CHINANETCENTER-AP - Internet Service Provider in China	Invalid	—	6/13/2026
123.103.84.0/24	AS17442CHINANETCENTER-AP - Internet Service Provider in China	Invalid	—	6/13/2026
123.103.85.0/24	AS17442CHINANETCENTER-AP - Internet Service Provider in China	Invalid	—	6/13/2026
123.103.91.0/24	AS17442CHINANETCENTER-AP - Internet Service Provider in China	Invalid	—	6/13/2026
123.103.92.0/24	AS17442CHINANETCENTER-AP - Internet Service Provider in China	Invalid	—	6/13/2026
123.103.11.0/24	AS17442CHINANETCENTER-AP - Internet Service Provider in China	Invalid	—	6/13/2026
123.103.10.0/24	AS17442CHINANETCENTER-AP - Internet Service Provider in China	Invalid	—	6/13/2026
123.103.4.0/24	AS17442CHINANETCENTER-AP - Internet Service Provider in China	Invalid	—	6/13/2026
123.103.112.0/24	AS17442CHINANETCENTER-AP - Internet Service Provider in China	Invalid	—	6/13/2026
123.103.113.0/24	AS17442CHINANETCENTER-AP - Internet Service Provider in China	Invalid	—	6/13/2026
123.103.114.0/24	AS17442CHINANETCENTER-AP - Internet Service Provider in China	Invalid	—	6/13/2026
123.103.115.0/24	AS17442CHINANETCENTER-AP - Internet Service Provider in China	Invalid	—	6/13/2026
123.103.116.0/24	AS17442CHINANETCENTER-AP - Internet Service Provider in China	Invalid	—	6/13/2026
123.103.117.0/24	AS17442CHINANETCENTER-AP - Internet Service Provider in China	Invalid	—	6/13/2026
123.103.118.0/24	AS17442CHINANETCENTER-AP - Internet Service Provider in China	Invalid	—	6/13/2026
123.103.119.0/24	AS17442CHINANETCENTER-AP - Internet Service Provider in China	Invalid	—	6/13/2026
123.103.120.0/24	AS17442CHINANETCENTER-AP - Internet Service Provider in China	Invalid	—	6/13/2026
123.103.121.0/24	AS17442CHINANETCENTER-AP - Internet Service Provider in China	Invalid	—	6/13/2026
123.103.13.0/24	AS23724CHINANET-IDC-BJ-AP - IDC, China Telecommunications Corporation	Valid	—	6/13/2026
123.103.8.0/24	AS23724CHINANET-IDC-BJ-AP - IDC, China Telecommunications Corporation	Valid	—	6/13/2026
123.103.14.0/24	AS23724CHINANET-IDC-BJ-AP - IDC, China Telecommunications Corporation	Valid	—	6/13/2026
123.103.12.0/24	AS23724CHINANET-IDC-BJ-AP - IDC, China Telecommunications Corporation	Valid	—	6/13/2026
123.103.15.0/24	AS23724CHINANET-IDC-BJ-AP - IDC, China Telecommunications Corporation	Valid	—	6/13/2026

Geolocation

Country🇨🇳ChinaCN

RegionBeijing

CityBeijing

Coordinates39.9042, 116.4070 ↗

API

Open

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

External Links

RIPEstat Hurricane Electric BGP