Open Data Network (JAPAN TELECOM CO., LTD.)

IPv4 IPv6
Country Japan Japan
Assigned AS N/A
Updated 04 April 2026

We found 27 IPv4 networks operated by this organization.
Results sorted by network size.

Japan Open Data Network (JAPAN TELECOM CO., LTD.)
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Network: ODN
CIDR: N/A
IP Range: 61.209.0.0 - 61.209.191.255
Block size: 49,152
Japan Open Data Network (JAPAN TELECOM CO., LTD.)
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Network: ODN
CIDR: N/A
IP Range: 218.46.0.0 - 218.46.191.255
Block size: 49,152
Japan Open Data Network (JAPAN TELECOM CO., LTD.)
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Network: ODN
CIDR: N/A
IP Range: 219.67.0.0 - 219.67.143.255
Block size: 36,864
Japan Open Data Network (JAPAN TELECOM CO., LTD.)
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Network: ODN
CIDR: 61.123.0.0/17
IP Range: 61.123.0.0 - 61.123.127.255
Block size: 32,768
Japan Open Data Network (JAPAN TELECOM CO., LTD.)
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Network: ODN
CIDR: 210.197.128.0/17
IP Range: 210.197.128.0 - 210.197.255.255
Block size: 32,768
Japan Open Data Network (JAPAN TELECOM CO., LTD.)
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Network: ODN
CIDR: 211.121.0.0/17
IP Range: 211.121.0.0 - 211.121.127.255
Block size: 32,768
Japan Open Data Network (JAPAN TELECOM CO., LTD.)
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Network: ODN
CIDR: 211.127.0.0/17
IP Range: 211.127.0.0 - 211.127.127.255
Block size: 32,768
Japan Open Data Network (JAPAN TELECOM CO., LTD.)
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Network: ODN
CIDR: 219.66.0.0/17
IP Range: 219.66.0.0 - 219.66.127.255
Block size: 32,768
Japan Open Data Network (JAPAN TELECOM CO., LTD.)
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Network: ODN
CIDR: 219.66.128.0/17
IP Range: 219.66.128.0 - 219.66.255.255
Block size: 32,768
Japan Open Data Network (JAPAN TELECOM CO., LTD.)
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Network: ODN
CIDR: N/A
IP Range: 61.201.96.0 - 61.201.191.255
Block size: 24,576
Japan Open Data Network (JAPAN TELECOM CO., LTD.)
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Network: ODN
CIDR: N/A
IP Range: 210.188.0.0 - 210.188.95.255
Block size: 24,576
Japan Open Data Network (JAPAN TELECOM CO., LTD.)
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Network: ODN
CIDR: N/A
IP Range: 210.252.160.0 - 210.252.255.255
Block size: 24,576
Japan Open Data Network (JAPAN TELECOM CO., LTD.)
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Network: ODN
CIDR: N/A
IP Range: 210.231.0.0 - 210.231.89.255
Block size: 23,040
Japan Open Data Network (JAPAN TELECOM CO., LTD.)
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Network: ODN
CIDR: N/A
IP Range: 61.201.0.0 - 61.201.79.255
Block size: 20,480
Japan Open Data Network (JAPAN TELECOM CO., LTD.)
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Network: ODN
CIDR: 61.196.0.0/18
IP Range: 61.196.0.0 - 61.196.63.255
Block size: 16,384
Japan Open Data Network (JAPAN TELECOM CO., LTD.)
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Network: ODN
CIDR: 210.228.192.0/18
IP Range: 210.228.192.0 - 210.228.255.255
Block size: 16,384
Japan Open Data Network (JAPAN TELECOM CO., LTD.)
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Network: ODN
CIDR: 210.237.192.0/18
IP Range: 210.237.192.0 - 210.237.255.255
Block size: 16,384
Japan Open Data Network (JAPAN TELECOM CO., LTD.)
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Network: ODN
CIDR: 211.121.192.0/18
IP Range: 211.121.192.0 - 211.121.255.255
Block size: 16,384
Japan Open Data Network (JAPAN TELECOM CO., LTD.)
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Network: ODN
CIDR: 218.46.192.0/18
IP Range: 218.46.192.0 - 218.46.255.255
Block size: 16,384
Japan Open Data Network (JAPAN TELECOM CO., LTD.)
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Network: ODN
CIDR: 61.196.64.0/19
IP Range: 61.196.64.0 - 61.196.95.255
Block size: 8,192
Japan Open Data Network (JAPAN TELECOM CO., LTD.)
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Network: ODN
CIDR: 211.8.224.0/19
IP Range: 211.8.224.0 - 211.8.255.255
Block size: 8,192
Japan Open Data Network (JAPAN TELECOM CO., LTD.)
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Network: ODN
CIDR: N/A
IP Range: 61.123.168.0 - 61.123.191.255
Block size: 6,144
Japan Open Data Network (JAPAN TELECOM CO., LTD.)
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Network: ODN
CIDR: N/A
IP Range: 219.67.172.0 - 219.67.191.255
Block size: 5,120
Japan Open Data Network (JAPAN TELECOM CO., LTD.)
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Network: ODN
CIDR: 219.67.144.0/20
IP Range: 219.67.155.0 - 219.67.170.255
Block size: 4,096
Japan Open Data Network (JAPAN TELECOM CO., LTD.)
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Network: ODN
CIDR: 219.67.240.0/20
IP Range: 219.67.240.0 - 219.67.255.255
Block size: 4,096
Japan Open Data Network (JAPAN TELECOM CO., LTD.)
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Network: ODN
CIDR: N/A
IP Range: 210.142.163.0 - 210.142.167.255
Block size: 1,280
Japan Open Data Network (JAPAN TELECOM CO., LTD.)
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Network: ODN
CIDR: 219.67.171.0/24
IP Range: 219.67.171.0 - 219.67.171.255
Block size: 256

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