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ASN Lookup
Networks, upstreams, peers and prefixes of an autonomous system
AS2519
ASN
APNIC
RIR
183
IPv4 Prefixes
2
IPv6 Prefixes
AS Information
ASNAS2519
NameVECTANT
Country JP JP
RIRAPNIC
Abuse contacthostmaster@nic.ad.jp
Network Overview
IPv4 Prefixes183
IPv6 Prefixes2
Upstreams IPv410
BGP Peers IPv486
Upstreams (Transit Providers)
IPv4
AS12389 ROSTELECOM-AS
AS1299 TWELVE99
AS137409 GSLNETWORKS-AS-AP
AS15412 FLAG-AS
AS174 COGENT-174
AS17676 GIGAINFRA
AS215638 AS-CILIX-LIMITED
AS2497 IIJ
AS2518 BIGLOBE
AS3356 LEVEL3
IPv4 Prefixes (183 total, showing 20)
183.180.0.0/16
122.223.128.0/20
36.3.0.0/18
112.109.24.0/21
124.241.120.0/21
101.50.128.0/18
219.121.249.0/24
1.21.64.0/19
210.173.226.0/24
210.173.243.0/24
124.110.64.0/19
114.69.0.0/17
183.177.128.0/17
222.229.16.0/20
222.228.16.0/20
1.1.124.0/24
202.241.184.0/21
133.149.48.0/20
101.50.192.0/19
103.15.184.0/22
IPv6 Prefixes (2 total)
2001:f60::/28
2001:f70::/29
BGP Peers IPv4 (86 total, showing 20)
AS10000
AS10004
AS10006
AS10011
AS10015
AS10019
AS131161
AS131911
AS131923
AS131930
AS131934
AS131945
AS131958
AS131969
AS139468
AS139703
AS146972
AS146986
AS150359
AS151385
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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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