AS2501 · The University of Tokyo

4

IPv4 prefixes

200,704

IPv4 addresses

2

IPv6 prefixes

🇯🇵 JP

Country

Summary

AS number: AS2501
Name: The University of Tokyo
Country: 🇯🇵 JP
Type: JPNIC
Category: education
Announced: 6 prefixes
Updated: 2026-08-26

Announced IPv4 prefixes (4)

Prefix
130.69.0.0/16
133.11.0.0/16
157.82.0.0/16
192.51.208.0/20

Announced IPv6 prefixes (2)

Prefix
2404:d540::/32
2404:d540:1::/48