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ASN Lookup
Networks, upstreams, peers and prefixes of an autonomous system
AS18077
ASN
APNIC
RIR
54
IPv4 Prefixes
1
IPv6 Prefixes
AS Information
ASNAS18077
NameC-able
Country JP JP
RIRAPNIC
Abuse contacthostmaster@nic.ad.jp
Network Overview
IPv4 Prefixes54
IPv6 Prefixes1
Upstreams IPv410
BGP Peers IPv49
Upstreams (Transit Providers)
IPv4
AS10010 TOKAI
AS137409 GSLNETWORKS-AS-AP
AS16265 LEASEWEB-NETWORK
AS17676 GIGAINFRA
AS2516 KDDI
AS2914 NTT-DATA-2914
AS35280 F5
AS6939 HURRICANE
AS7670 CTNET
AS9304 HUTCHISON-AS-AP
IPv4 Prefixes (54 total, showing 20)
218.223.195.0/24
122.251.0.0/17
122.251.250.0/24
218.223.207.0/24
218.223.206.0/24
218.223.194.0/24
122.250.160.0/22
218.223.205.0/24
218.223.193.0/24
218.223.196.0/24
122.250.100.0/22
122.251.251.0/24
218.223.203.0/24
122.251.219.0/24
122.251.32.0/19
122.251.192.0/20
122.251.245.0/24
122.251.0.0/16
122.250.96.0/22
218.223.198.0/24
IPv6 Prefixes (1 total)
2402:5a00::/32
BGP Peers IPv4 (9 total)
AS14907
AS1828
AS199524
AS24482
AS36236
AS38001
AS4777
AS49544
AS59105
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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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