IPv4 prefix

133.69.168.0/21

IP Prefix (CIDR)
133.69.168.0/21
Subnet Mask
255.255.248.0
Handle
IRT-JPNIC-JP
Country
Japan (JP)
Address
Uchikanda OS Bldg 4F, 2-12-6 Uchi-Kanda Chiyoda-ku, Tokyo 101-0047, japan
Registry
APNIC
Registered Prefix
133.0.0.0/8 (133.0.0.0 - 133.255.255.255)
Announced Prefix Relationship Origin ASN Description Country First Address Last Address
133.69.168.0/21 Exact AS45688 The University of Tokyo Interfaculty Initiative in Information Studies Japan (JP) 133.69.168.0 133.69.175.255