This page covers IP addresses allocated to Japan (JP), including major ISPs, IP ranges, and what you should know about Japan IP addresses.
About Japan IP Addresses
Japan is known for extremely fast internet speeds (among the fastest in Asia), high IPv6 adoption, and strict copyright laws. Japanese IP ranges are valued for gaming and low-latency connections to Asian servers.
IP addresses in Japan are allocated through APNIC — the Regional Internet Registry for this region. Example IP range: 1.66.0.0/15. The country-code top-level domain is .jp.
Major ISPs in Japan
The primary Internet Service Providers (ISPs) serving Japan include: NTT Communications (AS2914), SoftBank (AS17676). You can look up the full technical details of any of these ISPs using our WHOIS lookup tool.
How to Check if an IP is from Japan
To verify whether an IP address belongs to Japan, use the ExamineIP IP lookup tool. It shows the country, ISP, city, and ASN for any IP address instantly. You can also look up multiple IPs at once using the Bulk IP Lookup tool.
VPN Laws in Japan
VPN use is legal in Japan. Using a VPN is a legitimate way to protect your privacy and access geo-restricted content.
If you want to appear as if you are connecting from Japan, or if you want to hide your real location from Japan IP-based tracking, a VPN can help. PureVPN has servers in Japan and 77 other countries. IPVanish is another strong option.
IP Geolocation Accuracy for Japan
IP geolocation for Japan is generally accurate at the country level but less precise for city or region. ISPs register their IP blocks to their headquarters or major data centers, which may be in a different city than the actual user. Learn more: How accurate is IP location tracking?
Check Your Own IP
See your current IP address, country, ISP, and whether you appear to be in Japan: Check my IP address