IPv4 prefix

133.139.20.0/23

IP Prefix (CIDR)
133.139.20.0/23
Subnet Mask
255.255.254.0
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)