ASN Information - AS38635

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General Information

Name: Keio University
Domain: keio.ac.jp
Country: JP
Type: education
Registry: JPNIC

Prefix Counts

IPv4 Count: 131,072
IPv6 Count: 2,417,851,639,229,258,349,412,352

IPv4 Prefixes

CIDR Country Network Name Organization Registry Status Size
131.113.0.0/16 JP KEIO-NET Keio University APNIC ASSIGNED PORTABLE 65,536
133.27.0.0/16 JP JPNIC-NET-JP-ERX Japan Network Information Center APNIC ALLOCATED PORTABLE 65,536

IPv6 Prefixes


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CIDR Country Network Name Organization Registry Status
2001:df0:eb::/48 JP KEIO-NET Keio University JPNIC
2001:df2:c900::/48 JP KEIO-NET Keio University JPNIC

Network Relationships

Upstreams: AS2500, AS2907