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ASN Lookup
Networks, upstreams, peers and prefixes of an autonomous system
AS24151
ASN
APNIC
RIR
52
IPv4 Prefixes
46
IPv6 Prefixes
AS Information
ASNAS24151
NameCNNIC-CRITICAL-AP
Country CN CN
RIRAPNIC
Allocated04.09.2008
Abuse contactipas@cnnic.cn
Network Overview
IPv4 Prefixes52
IPv6 Prefixes46
Upstreams IPv48
BGP Peers IPv42
Upstreams (Transit Providers)
IPv4
AS1280 ISC-AS-1280
AS21859 ZEN-ECN
AS23600 GDNSKR-KR-KR
AS38283 CHINANET-SCIDC-AS-AP
AS4808 CHINA169-BJ
AS4847 CNIX-AP
AS7497 CSTNET-AS-AP
AS8763 DENIC-AS
IPv4 Prefixes (52 total, showing 20)
125.208.37.0/24
125.208.33.0/24
42.83.146.0/24
218.241.122.0/24
218.241.113.0/24
42.83.144.0/24
203.119.33.0/24
42.83.145.0/24
125.208.32.0/24
42.83.129.0/24
218.241.104.0/24
42.83.132.0/24
203.119.29.0/24
218.241.96.0/20
218.241.118.0/24
42.83.147.0/24
203.119.28.0/24
125.208.43.0/24
218.241.125.0/24
125.208.38.0/24
IPv6 Prefixes (46 total, showing 10)
2001:dc7:ffca::/48
2001:dc7:ffc6::/48
2001:dc7:b::/48
2001:dc7:cd02::/48
2001:dc7:ffc0::/48
2001:dc7:2::/48
2001:dc7:ffd2::/48
2001:dc7:ffc7::/48
2001:dc7:ffc1::/48
2001:dc7:fff1::/48
BGP Peers IPv4 (2 total)
AS23596
AS31529
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What is an ASN?

An Autonomous System Number (ASN) is a unique number assigned to a network on the internet. Upstreams are the transit providers through which the AS reaches the internet. Peers are networks with which direct traffic exchange takes place. Prefixes are the IP address ranges that the AS announces to the internet. Data via RIPE NCC RDAP and RIPEstat API.

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