HomePrefix Lookup101.251.128.0/17

101.251.128.0/17

🇨🇳
IPv4APNICallocated RPKI Valid
CIDR
101.251.128.0/17
IP Version
IPv4
Addresses
32.7K
Mask
/17 (255.255.128.0)
Country
🇨🇳 China
City
Beijing
RIR
APNIC
Status
allocated
Allocated
3/9/2011

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

83 less-specific announcements
PrefixOrigin ASRPKIIRRLast Seen
101.251.192.0/19AS23724CHINANET-IDC-BJ-AP - IDC, China Telecommunications Corporation Valid—6/13/2026
101.251.224.0/19AS23724CHINANET-IDC-BJ-AP - IDC, China Telecommunications Corporation Valid—6/13/2026
101.251.208.0/20AS4808CHINA169-BJ - China Unicom Beijing Province Network Valid—6/13/2026
101.251.144.0/20AS4837CHINA169-Backbone - CHINA UNICOM China169 Backbone Valid—6/13/2026
101.251.208.0/20AS23724CHINANET-IDC-BJ-AP - IDC, China Telecommunications Corporation Valid—6/13/2026
101.251.224.0/20AS23724CHINANET-IDC-BJ-AP - IDC, China Telecommunications Corporation Valid—6/13/2026
101.251.240.0/20AS23724CHINANET-IDC-BJ-AP - IDC, China Telecommunications Corporation Valid—6/13/2026
101.251.224.0/20AS56048CMNET-BEIJING-AP - China Mobile Communicaitons Corporation Valid—6/13/2026
101.251.160.0/20AS133775CHINATELECOM-Fujian-Xiamen-IDC1 - Xiamen Valid—6/13/2026
101.251.144.0/21AS4837CHINA169-Backbone - CHINA UNICOM China169 Backbone Valid—6/13/2026
101.251.240.0/21AS23724CHINANET-IDC-BJ-AP - IDC, China Telecommunications Corporation Valid—6/13/2026
101.251.232.0/21AS23724CHINANET-IDC-BJ-AP - IDC, China Telecommunications Corporation Valid—6/13/2026
101.251.192.0/21AS23724CHINANET-IDC-BJ-AP - IDC, China Telecommunications Corporation Valid—6/13/2026
101.251.240.0/21AS56048CMNET-BEIJING-AP - China Mobile Communicaitons Corporation Valid—6/13/2026
101.251.192.0/21AS56048CMNET-BEIJING-AP - China Mobile Communicaitons Corporation Valid—6/13/2026
101.251.232.0/21AS56048CMNET-BEIJING-AP - China Mobile Communicaitons Corporation Valid—6/13/2026
101.251.128.0/21AS141771CHINANET-HEBEI-ZHANGJIAKOU-MAN - China Telecom Valid—6/13/2026
101.251.136.0/21AS141771CHINANET-HEBEI-ZHANGJIAKOU-MAN - China Telecom Valid—6/13/2026
101.251.196.0/22AS4808CHINA169-BJ - China Unicom Beijing Province Network Valid—6/13/2026
101.251.204.0/22AS4808CHINA169-BJ - China Unicom Beijing Province Network Valid—6/13/2026
101.251.204.0/22AS23724CHINANET-IDC-BJ-AP - IDC, China Telecommunications Corporation Valid—6/13/2026
101.251.248.0/22AS23724CHINANET-IDC-BJ-AP - IDC, China Telecommunications Corporation Valid—6/13/2026
101.251.200.0/22AS23724CHINANET-IDC-BJ-AP - IDC, China Telecommunications Corporation Valid—6/13/2026
101.251.228.0/22AS23724CHINANET-IDC-BJ-AP - IDC, China Telecommunications Corporation Valid—6/13/2026
101.251.252.0/22AS23724CHINANET-IDC-BJ-AP - IDC, China Telecommunications Corporation Valid—6/13/2026
101.251.196.0/22AS38353CNISP-UNION - CNISP-Union Technology (Beijing) Co., Ltd Invalid—6/13/2026
101.251.248.0/22AS56048CMNET-BEIJING-AP - China Mobile Communicaitons Corporation Valid—6/13/2026
101.251.228.0/22AS56048CMNET-BEIJING-AP - China Mobile Communicaitons Corporation Valid—6/13/2026
101.251.200.0/22AS56048CMNET-BEIJING-AP - China Mobile Communicaitons Corporation Valid—6/13/2026
101.251.252.0/22AS63199CDSC-AS1 - CDS Global Cloud Co., Ltd Valid—6/13/2026
101.251.176.0/22AS133775CHINATELECOM-Fujian-Xiamen-IDC1 - Xiamen Valid—6/13/2026
101.251.230.0/23AS4808CHINA169-BJ - China Unicom Beijing Province Network Valid—6/13/2026
101.251.234.0/23AS4808CHINA169-BJ - China Unicom Beijing Province Network Valid—6/13/2026
101.251.192.0/23AS4808CHINA169-BJ - China Unicom Beijing Province Network Valid—6/13/2026
101.251.244.0/23AS23724CHINANET-IDC-BJ-AP - IDC, China Telecommunications Corporation Valid—6/13/2026
101.251.192.0/23AS38353CNISP-UNION - CNISP-Union Technology (Beijing) Co., Ltd Invalid—6/13/2026
101.251.234.0/23AS56048CMNET-BEIJING-AP - China Mobile Communicaitons Corporation Valid—6/13/2026
101.251.244.0/23AS56048CMNET-BEIJING-AP - China Mobile Communicaitons Corporation Valid—6/13/2026
101.251.230.0/23AS56048CMNET-BEIJING-AP - China Mobile Communicaitons Corporation Valid—6/13/2026
101.251.226.0/24AS4808CHINA169-BJ - China Unicom Beijing Province Network Valid—6/13/2026
101.251.194.0/24AS4808CHINA169-BJ - China Unicom Beijing Province Network Valid—6/13/2026
101.251.200.0/24AS4808CHINA169-BJ - China Unicom Beijing Province Network Valid—6/13/2026
101.251.201.0/24AS4808CHINA169-BJ - China Unicom Beijing Province Network Valid—6/13/2026
101.251.203.0/24AS4808CHINA169-BJ - China Unicom Beijing Province Network Valid—6/13/2026
101.251.225.0/24AS4808CHINA169-BJ - China Unicom Beijing Province Network Valid—6/13/2026
101.251.224.0/24AS4808CHINA169-BJ - China Unicom Beijing Province Network Valid—6/13/2026
101.251.228.0/24AS4808CHINA169-BJ - China Unicom Beijing Province Network Valid—6/13/2026
101.251.233.0/24AS4808CHINA169-BJ - China Unicom Beijing Province Network Valid—6/13/2026
101.251.237.0/24AS4808CHINA169-BJ - China Unicom Beijing Province Network Valid—6/13/2026
101.251.238.0/24AS4808CHINA169-BJ - China Unicom Beijing Province Network Valid—6/13/2026
101.251.241.0/24AS4808CHINA169-BJ - China Unicom Beijing Province Network Valid—6/13/2026
101.251.243.0/24AS4808CHINA169-BJ - China Unicom Beijing Province Network Valid—6/13/2026
101.251.246.0/24AS4808CHINA169-BJ - China Unicom Beijing Province Network Valid—6/13/2026
101.251.249.0/24AS4808CHINA169-BJ - China Unicom Beijing Province Network Valid—6/13/2026
101.251.250.0/24AS4808CHINA169-BJ - China Unicom Beijing Province Network Valid—6/13/2026
101.251.239.0/24AS23724CHINANET-IDC-BJ-AP - IDC, China Telecommunications Corporation Valid—6/13/2026
101.251.232.0/24AS23724CHINANET-IDC-BJ-AP - IDC, China Telecommunications Corporation Valid—6/13/2026
101.251.240.0/24AS23724CHINANET-IDC-BJ-AP - IDC, China Telecommunications Corporation Valid—6/13/2026
101.251.242.0/24AS23724CHINANET-IDC-BJ-AP - IDC, China Telecommunications Corporation Valid—6/13/2026
101.251.251.0/24AS23724CHINANET-IDC-BJ-AP - IDC, China Telecommunications Corporation Valid—6/13/2026
101.251.229.0/24AS23724CHINANET-IDC-BJ-AP - IDC, China Telecommunications Corporation Valid—6/13/2026
101.251.247.0/24AS23724CHINANET-IDC-BJ-AP - IDC, China Telecommunications Corporation Valid—6/13/2026
101.251.248.0/24AS23724CHINANET-IDC-BJ-AP - IDC, China Telecommunications Corporation Valid—6/13/2026
101.251.195.0/24AS23724CHINANET-IDC-BJ-AP - IDC, China Telecommunications Corporation Valid—6/13/2026
101.251.236.0/24AS23724CHINANET-IDC-BJ-AP - IDC, China Telecommunications Corporation Valid—6/13/2026
101.251.194.0/24AS38353CNISP-UNION - CNISP-Union Technology (Beijing) Co., Ltd Invalid—6/13/2026
101.251.249.0/24AS56048CMNET-BEIJING-AP - China Mobile Communicaitons Corporation Valid—6/13/2026
101.251.251.0/24AS56048CMNET-BEIJING-AP - China Mobile Communicaitons Corporation Valid—6/13/2026
101.251.246.0/24AS56048CMNET-BEIJING-AP - China Mobile Communicaitons Corporation Valid—6/13/2026
101.251.237.0/24AS56048CMNET-BEIJING-AP - China Mobile Communicaitons Corporation Valid—6/13/2026
101.251.247.0/24AS56048CMNET-BEIJING-AP - China Mobile Communicaitons Corporation Valid—6/13/2026
101.251.228.0/24AS56048CMNET-BEIJING-AP - China Mobile Communicaitons Corporation Valid—6/13/2026
101.251.195.0/24AS56048CMNET-BEIJING-AP - China Mobile Communicaitons Corporation Valid—6/13/2026
101.251.233.0/24AS56048CMNET-BEIJING-AP - China Mobile Communicaitons Corporation Valid—6/13/2026
101.251.232.0/24AS56048CMNET-BEIJING-AP - China Mobile Communicaitons Corporation Valid—6/13/2026
101.251.248.0/24AS56048CMNET-BEIJING-AP - China Mobile Communicaitons Corporation Valid—6/13/2026
101.251.238.0/24AS56048CMNET-BEIJING-AP - China Mobile Communicaitons Corporation Valid—6/13/2026
101.251.240.0/24AS56048CMNET-BEIJING-AP - China Mobile Communicaitons Corporation Valid—6/13/2026
101.251.250.0/24AS56048CMNET-BEIJING-AP - China Mobile Communicaitons Corporation Valid—6/13/2026
101.251.239.0/24AS56048CMNET-BEIJING-AP - China Mobile Communicaitons Corporation Valid—6/13/2026
101.251.242.0/24AS56048CMNET-BEIJING-AP - China Mobile Communicaitons Corporation Valid—6/13/2026
101.251.229.0/24AS56048CMNET-BEIJING-AP - China Mobile Communicaitons Corporation Valid—6/13/2026
101.251.236.0/24AS56048CMNET-BEIJING-AP - China Mobile Communicaitons Corporation Valid—6/13/2026

More Specific Prefixes

4
PrefixASCountryStatus
101.251.192.0/18🇨🇳CNassigned
101.251.160.0/19🇨🇳CNassigned
101.251.144.0/20AS4837🇨🇳CNassigned
101.251.128.0/20🇨🇳CNassigned
Geolocation
Country🇨🇳ChinaCN
RegionBeijing
CityBeijing
Coordinates39.9042, 116.4070 ↗
API
Open
GEThttps://api.ipctl.io/v1/prefix/101.251.128.0/17

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

curl -s "https://api.ipctl.io/v1/prefix/101.251.128.0/17" | jq
External Links
RIPEstat Hurricane Electric BGP