IPASK Checker Countries ASN reference Methodology

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IP addresses in Japan

Japan (JP) holds 3,207 aggregated IPv4 ranges in the RIR delegation data. We sampled 24 addresses from 600 of them to estimate how much of the space is hosting, CDN or Tor infrastructure.

At a glance

3,207
aggregated ranges
4%
hosting in sample
0
CDN in sample
0
Tor exits in sample

Sample of 24 addresses, one per range. This is an estimate of the space, not a list of “good” IPs.

Networks seen in Japan

ASNNetworkTypeSample hits
AS2519VECTANT ARTERIA Networks Corporationisp3
AS18126CTCX Chubu Telecommunications Company, Inc.isp2
AS23783CNA Cable Networks Akita Co.,ltd.isp2
AS20473AS-VULTRhosting1
AS2914NTT-DATA-2914isp1

Type comes from the announcing ASN and public registry data. A consumer ISP can still sell a resold range.

Before you use a JP address

Check a batch · ASN reference · What residential means · 7-day warm-up plan

Data: RIR delegation ranges (ipverse/rir-ip) · type classification from announcing ASN + PeeringDB. Last sampling run: 2026-10-31.