ASN Information - AS37917

← Back to Search

General Information

Name: University of Tsukuba
Domain: tsukuba.ac.jp
Country: JP
Type: education
Registry: JPNIC

Prefix Counts

IPv4 Count: 132,096
IPv6 Count: 0

IPv4 Prefixes


Deprecated: htmlspecialchars(): Passing null to parameter #1 ($string) of type string is deprecated in /www/wwwroot/beta.cheervision.co/ipinfo/asn/index.php on line 697
CIDR Country Network Name Organization Registry Status Size
130.158.0.0/16 JP UTINS University of Tsukuba APNIC ALLOCATED PORTABLE 65,536
133.51.0.0/16 JP JPNIC-NET-JP-ERX Japan Network Information Center APNIC ALLOCATED PORTABLE 65,536
163.220.252.0/22 JP UTINS-CIDR-BLK-JP University of Tsukuba JPNIC 1,024

Network Relationships

Upstreams: AS2907, AS63770