OPTAGE Inc

Country Japan Japan
Assigned AS AS9358, AS17511, AS17524, AS151379
Updated 13 April 2026

We found 750 IPv4 networks operated by this organization. The first 100 networks are displayed.

Results sorted by network size.

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Japan OPTAGE Inc
OPTAGE BLDG., 2-1-5 Shiromi, chuo-ku, Osaka 540-8622, Japan
Network: K-OPTICOM
CIDR: 121.80.0.0/13
IP Range: 121.80.0.0 - 121.87.255.255
Block size: 524,288
Japan OPTAGE Inc
OPTAGE BLDG., 2-1-5 Shiromi, chuo-ku, Osaka 540-8622, Japan
Network: K-OPTICOM
CIDR: 58.188.0.0/14
IP Range: 58.188.0.0 - 58.191.255.255
Block size: 262,144
Japan OPTAGE Inc
OPTAGE BLDG., 2-1-5 Shiromi, chuo-ku, Osaka 540-8622, Japan
Network: K-OPTICOM
CIDR: 101.140.0.0/14
IP Range: 101.140.0.0 - 101.143.255.255
Block size: 262,144
Japan OPTAGE Inc
OPTAGE BLDG., 2-1-5 Shiromi, chuo-ku, Osaka 540-8622, Japan
Network: K-OPTICOM
CIDR: 112.68.0.0/14
IP Range: 112.68.0.0 - 112.71.255.255
Block size: 262,144
Japan OPTAGE Inc
OPTAGE BLDG., 2-1-5 Shiromi, chuo-ku, Osaka 540-8622, Japan
Network: K-OPTICOM
CIDR: 119.228.0.0/14
IP Range: 119.228.0.0 - 119.231.255.255
Block size: 262,144
CIDR: 121.80.0.0/14
IP Range: 121.80.0.0 - 121.83.255.255
Block size: 262,144
CIDR: 121.84.0.0/14
IP Range: 121.84.0.0 - 121.87.255.255
Block size: 262,144
Japan OPTAGE Inc
OPTAGE BLDG., 2-1-5 Shiromi, chuo-ku, Osaka 540-8622, Japan
Network: K-OPTICOM
CIDR: 180.144.0.0/14
IP Range: 180.144.0.0 - 180.147.255.255
Block size: 262,144
Japan OPTAGE Inc
OPTAGE BLDG., 2-1-5 Shiromi, chuo-ku, Osaka 540-8622, Japan
Network: K-OPTICOM
CIDR: 182.164.0.0/14
IP Range: 182.164.0.0 - 182.167.255.255
Block size: 262,144
Japan OPTAGE Inc
OPTAGE BLDG., 2-1-5 Shiromi, chuo-ku, Osaka 540-8622, Japan
Network: K-OPTICOM
CIDR: 60.56.0.0/15
IP Range: 60.56.0.0 - 60.57.255.255
Block size: 131,072
Japan OPTAGE Inc
OPTAGE BLDG., 2-1-5 Shiromi, chuo-ku, Osaka 540-8622, Japan
Network: K-OPTICOM
CIDR: 58.70.0.0/16
IP Range: 58.70.0.0 - 58.70.255.255
Block size: 65,536
Network: OPTAGE
CIDR: 58.189.0.0/16
IP Range: 58.189.0.0 - 58.189.255.255
Block size: 65,536
Japan OPTAGE Inc
OPTAGE BLDG., 2-1-5 Shiromi, chuo-ku, Osaka 540-8622, Japan
Network: K-OPTICOM
CIDR: 59.190.0.0/16
IP Range: 59.190.0.0 - 59.190.255.255
Block size: 65,536
CIDR: 60.56.0.0/16
IP Range: 60.56.0.0 - 60.56.255.255
Block size: 65,536
Network: OPTAGE
CIDR: 121.81.0.0/16
IP Range: 121.81.0.0 - 121.81.255.255
Block size: 65,536
Japan OPTAGE Inc
OPTAGE BLDG., 2-1-5 Shiromi, chuo-ku, Osaka 540-8622, Japan
Network: K-OPTICOM
CIDR: 128.22.0.0/16
IP Range: 128.22.0.0 - 128.22.255.255
Block size: 65,536
Japan OPTAGE Inc
OPTAGE BLDG., 2-1-5 Shiromi, chuo-ku, Osaka 540-8622, Japan
Network: K-OPTICOM
CIDR: 128.27.0.0/16
IP Range: 128.27.0.0 - 128.27.255.255
Block size: 65,536
CIDR: 150.66.0.0/16
IP Range: 150.66.0.0 - 150.66.255.255
Block size: 65,536
Network: OPTAGE
CIDR: 58.70.0.0/17
IP Range: 58.70.0.0 - 58.70.127.255
Block size: 32,768
Network: OPTAGE
CIDR: 58.188.0.0/17
IP Range: 58.188.0.0 - 58.188.127.255
Block size: 32,768
Network: OPTAGE
CIDR: 58.188.128.0/17
IP Range: 58.188.128.0 - 58.188.255.255
Block size: 32,768
Network: OPTAGE
CIDR: 59.190.0.0/17
IP Range: 59.190.0.0 - 59.190.127.255
Block size: 32,768
CIDR: 60.57.0.0/17
IP Range: 60.57.0.0 - 60.57.127.255
Block size: 32,768
CIDR: 60.57.128.0/17
IP Range: 60.57.128.0 - 60.57.255.255
Block size: 32,768
Network: OPTAGE
CIDR: 101.140.0.0/17
IP Range: 101.140.0.0 - 101.140.127.255
Block size: 32,768
Network: OPTAGE
CIDR: 101.140.128.0/17
IP Range: 101.140.128.0 - 101.140.255.255
Block size: 32,768
Network: OPTAGE
CIDR: 101.141.0.0/17
IP Range: 101.141.0.0 - 101.141.127.255
Block size: 32,768
Network: OPTAGE
CIDR: 101.142.0.0/17
IP Range: 101.142.0.0 - 101.142.127.255
Block size: 32,768
Network: OPTAGE
CIDR: 101.142.128.0/17
IP Range: 101.142.128.0 - 101.142.255.255
Block size: 32,768
Network: OPTAGE
CIDR: 101.143.0.0/17
IP Range: 101.143.0.0 - 101.143.127.255
Block size: 32,768
Network: OPTAGE
CIDR: 112.68.0.0/17
IP Range: 112.68.0.0 - 112.68.127.255
Block size: 32,768
Network: OPTAGE
CIDR: 112.68.128.0/17
IP Range: 112.68.128.0 - 112.68.255.255
Block size: 32,768
Network: OPTAGE
CIDR: 112.69.0.0/17
IP Range: 112.69.0.0 - 112.69.127.255
Block size: 32,768
Network: OPTAGE
CIDR: 112.69.128.0/17
IP Range: 112.69.128.0 - 112.69.255.255
Block size: 32,768
Network: OPTAGE
CIDR: 112.70.0.0/17
IP Range: 112.70.0.0 - 112.70.127.255
Block size: 32,768
Network: OPTAGE
CIDR: 112.70.128.0/17
IP Range: 112.70.128.0 - 112.70.255.255
Block size: 32,768
Network: OPTAGE
CIDR: 112.71.0.0/17
IP Range: 112.71.0.0 - 112.71.127.255
Block size: 32,768
Network: OPTAGE
CIDR: 112.71.128.0/17
IP Range: 112.71.128.0 - 112.71.255.255
Block size: 32,768
Network: OPTAGE
CIDR: 119.228.0.0/17
IP Range: 119.228.0.0 - 119.228.127.255
Block size: 32,768
Network: OPTAGE
CIDR: 119.228.128.0/17
IP Range: 119.228.128.0 - 119.228.255.255
Block size: 32,768
Network: OPTAGE
CIDR: 119.229.0.0/17
IP Range: 119.229.0.0 - 119.229.127.255
Block size: 32,768
Network: OPTAGE
CIDR: 119.229.128.0/17
IP Range: 119.229.128.0 - 119.229.255.255
Block size: 32,768
Network: OPTAGE
CIDR: 119.230.0.0/17
IP Range: 119.230.0.0 - 119.230.127.255
Block size: 32,768
Network: OPTAGE
CIDR: 119.230.128.0/17
IP Range: 119.230.128.0 - 119.230.255.255
Block size: 32,768
Network: OPTAGE
CIDR: 119.231.0.0/17
IP Range: 119.231.0.0 - 119.231.127.255
Block size: 32,768
Network: OPTAGE
CIDR: 121.82.0.0/17
IP Range: 121.82.0.0 - 121.82.127.255
Block size: 32,768
Network: OPTAGE
CIDR: 121.82.128.0/17
IP Range: 121.82.128.0 - 121.82.255.255
Block size: 32,768
Network: OPTAGE
CIDR: 121.83.0.0/17
IP Range: 121.83.0.0 - 121.83.127.255
Block size: 32,768
Network: OPTAGE
CIDR: 121.84.0.0/17
IP Range: 121.84.0.0 - 121.84.127.255
Block size: 32,768
Network: OPTAGE
CIDR: 121.84.128.0/17
IP Range: 121.84.128.0 - 121.84.255.255
Block size: 32,768
Network: OPTAGE
CIDR: 121.85.128.0/17
IP Range: 121.85.128.0 - 121.85.255.255
Block size: 32,768
Network: OPTAGE
CIDR: 121.86.0.0/17
IP Range: 121.86.0.0 - 121.86.127.255
Block size: 32,768
Network: OPTAGE
CIDR: 128.27.128.0/17
IP Range: 128.27.128.0 - 128.27.255.255
Block size: 32,768
Network: OPTAGE
CIDR: 180.144.0.0/17
IP Range: 180.144.0.0 - 180.144.127.255
Block size: 32,768
Network: OPTAGE
CIDR: 180.144.128.0/17
IP Range: 180.144.128.0 - 180.144.255.255
Block size: 32,768
Network: OPTAGE
CIDR: 180.145.0.0/17
IP Range: 180.145.0.0 - 180.145.127.255
Block size: 32,768
Network: OPTAGE
CIDR: 180.145.128.0/17
IP Range: 180.145.128.0 - 180.145.255.255
Block size: 32,768
Network: OPTAGE
CIDR: 180.146.0.0/17
IP Range: 180.146.0.0 - 180.146.127.255
Block size: 32,768
Network: OPTAGE
CIDR: 180.146.128.0/17
IP Range: 180.146.128.0 - 180.146.255.255
Block size: 32,768
Network: OPTAGE
CIDR: 180.147.0.0/17
IP Range: 180.147.0.0 - 180.147.127.255
Block size: 32,768
Network: OPTAGE
CIDR: 182.164.0.0/17
IP Range: 182.164.0.0 - 182.164.127.255
Block size: 32,768
Network: OPTAGE
CIDR: 182.164.128.0/17
IP Range: 182.164.128.0 - 182.164.255.255
Block size: 32,768
Network: OPTAGE
CIDR: 182.165.0.0/17
IP Range: 182.165.0.0 - 182.165.127.255
Block size: 32,768
Network: OPTAGE
CIDR: 182.165.128.0/17
IP Range: 182.165.128.0 - 182.165.255.255
Block size: 32,768
Network: OPTAGE
CIDR: 182.166.0.0/17
IP Range: 182.166.0.0 - 182.166.127.255
Block size: 32,768
Network: OPTAGE
CIDR: 182.166.128.0/17
IP Range: 182.166.128.0 - 182.166.255.255
Block size: 32,768
Network: OPTAGE
CIDR: 182.167.0.0/17
IP Range: 182.167.0.0 - 182.167.127.255
Block size: 32,768
Network: OPTAGE
CIDR: 182.167.128.0/17
IP Range: 182.167.128.0 - 182.167.255.255
Block size: 32,768
CIDR: 218.228.128.0/17
IP Range: 218.228.128.0 - 218.228.255.255
Block size: 32,768
Japan OPTAGE Inc
OPTAGE BLDG., 2-1-5 Shiromi, chuo-ku, Osaka 540-8622, Japan
Network: K-OPTICOM
CIDR: 218.251.0.0/17
IP Range: 218.251.0.0 - 218.251.127.255
Block size: 32,768
Japan OPTAGE Inc
OPTAGE BLDG., 2-1-5 Shiromi, chuo-ku, Osaka 540-8622, Japan
Network: K-OPTICOM
CIDR: 219.75.128.0/17
IP Range: 219.75.128.0 - 219.75.255.255
Block size: 32,768
CIDR: 219.122.128.0/17
IP Range: 219.122.128.0 - 219.122.255.255
Block size: 32,768
Network: OPTAGE
CIDR: 58.70.192.0/18
IP Range: 58.70.192.0 - 58.70.255.255
Block size: 16,384
Network: OPTAGE
CIDR: 58.190.0.0/18
IP Range: 58.190.0.0 - 58.190.63.255
Block size: 16,384
Network: OPTAGE
CIDR: 58.190.192.0/18
IP Range: 58.190.192.0 - 58.190.255.255
Block size: 16,384
Network: OPTAGE
CIDR: 58.191.192.0/18
IP Range: 58.191.192.0 - 58.191.255.255
Block size: 16,384
Network: OPTAGE
CIDR: 59.190.192.0/18
IP Range: 59.190.192.0 - 59.190.255.255
Block size: 16,384
Network: OPTAGE
CIDR: 60.57.0.0/18
IP Range: 60.57.0.0 - 60.57.63.255
Block size: 16,384
Network: OPTAGE
CIDR: 101.141.192.0/18
IP Range: 101.141.192.0 - 101.141.255.255
Block size: 16,384
Network: OPTAGE
CIDR: 101.143.128.0/18
IP Range: 101.143.128.0 - 101.143.191.255
Block size: 16,384
Network: OPTAGE
CIDR: 119.231.128.0/18
IP Range: 119.231.128.0 - 119.231.191.255
Block size: 16,384
Network: OPTAGE
CIDR: 121.80.64.0/18
IP Range: 121.80.64.0 - 121.80.127.255
Block size: 16,384
Network: OPTAGE
CIDR: 121.80.128.0/18
IP Range: 121.80.128.0 - 121.80.191.255
Block size: 16,384
Network: OPTAGE
CIDR: 121.80.192.0/18
IP Range: 121.80.192.0 - 121.80.255.255
Block size: 16,384
Network: OPTAGE
CIDR: 121.85.0.0/18
IP Range: 121.85.0.0 - 121.85.63.255
Block size: 16,384
Network: OPTAGE
CIDR: 128.22.192.0/18
IP Range: 128.22.192.0 - 128.22.255.255
Block size: 16,384
Network: OPTAGE
CIDR: 180.147.128.0/18
IP Range: 180.147.128.0 - 180.147.191.255
Block size: 16,384
CIDR: 218.42.192.0/18
IP Range: 218.42.192.0 - 218.42.255.255
Block size: 16,384
Network: OPTAGE
CIDR: 219.75.128.0/18
IP Range: 219.75.128.0 - 219.75.191.255
Block size: 16,384
Network: OPTAGE
CIDR: 219.75.192.0/18
IP Range: 219.75.192.0 - 219.75.255.255
Block size: 16,384
Network: OPTAGE
CIDR: 219.122.128.0/18
IP Range: 219.122.128.0 - 219.122.191.255
Block size: 16,384
Network: OPTAGE
CIDR: 58.70.160.0/19
IP Range: 58.70.160.0 - 58.70.191.255
Block size: 8,192
Network: OPTAGE
CIDR: 58.190.96.0/19
IP Range: 58.190.96.0 - 58.190.127.255
Block size: 8,192
Network: OPTAGE
CIDR: 58.190.128.0/19
IP Range: 58.190.128.0 - 58.190.159.255
Block size: 8,192
Network: OPTAGE
CIDR: 58.191.96.0/19
IP Range: 58.191.96.0 - 58.191.127.255
Block size: 8,192
Network: OPTAGE
CIDR: 58.191.160.0/19
IP Range: 58.191.160.0 - 58.191.191.255
Block size: 8,192
Network: OPTAGE
CIDR: 59.190.160.0/19
IP Range: 59.190.160.0 - 59.190.191.255
Block size: 8,192
Network: OPTAGE
CIDR: 60.56.0.0/19
IP Range: 60.56.0.0 - 60.56.31.255
Block size: 8,192
Network: OPTAGE
CIDR: 60.56.32.0/19
IP Range: 60.56.32.0 - 60.56.63.255
Block size: 8,192
Network: OPTAGE
CIDR: 60.56.64.0/19
IP Range: 60.56.64.0 - 60.56.95.255
Block size: 8,192
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