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Tool
ASN Lookup
Networks, upstreams, peers and prefixes of an autonomous system
AS2516
ASN
APNIC
RIR
562
IPv4 Prefixes
9
IPv6 Prefixes
AS Information
ASNAS2516
NameKDDI
Country JP JP
RIRAPNIC
Network Overview
IPv4 Prefixes562
IPv6 Prefixes9
Upstreams IPv410
BGP Peers IPv4444
Upstreams (Transit Providers)
IPv4
AS12389 ROSTELECOM-AS
AS1273 CW
AS1299 TWELVE99
AS13030 INIT7
AS137409 GSLNETWORKS-AS-AP
AS15412 FLAG-AS
AS174 COGENT-174
AS2497 IIJ
AS2500 WIDE-BB
AS2518 BIGLOBE
IPv4 Prefixes (562 total, showing 20)
210.172.64.0/18
210.198.64.0/18
124.109.128.0/17
210.159.0.0/19
106.184.128.0/18
211.10.195.0/24
222.7.0.0/16
61.200.128.0/17
113.152.64.0/18
59.139.0.0/16
106.183.0.0/16
202.245.36.0/22
211.1.69.0/24
167.140.240.0/23
210.143.62.0/23
106.163.0.0/16
210.233.96.0/19
149.57.200.0/24
222.3.0.0/16
210.250.58.0/23
IPv6 Prefixes (9 total)
2001:268::/32
2403:8300:813f::/48
240f::/24
2001:268:fd0e::/48
2404:9200::/32
240f:100::/24
2401:980::/32
240b::/26
240b:240::/26
BGP Peers IPv4 (444 total, showing 20)
AS10000
AS10002
AS10006
AS10013
AS10019
AS10100
AS10158
AS10310
AS10361
AS11019
AS11403
AS11404
AS11414
AS12222
AS12389
AS12654
AS1273
AS1299
AS13030
AS131160
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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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