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General Information
Name:
NTT Communications Corporation
Domain:
ntt.com
Country:
JP
Type:
isp
Registry:
JPNIC
Prefix Counts
IPv4 Count:
28,693,248
IPv6 Count:
81,288,097,157,505,296,344,308,152,008,704
IPv4 Prefixes
| CIDR | Country | Network Name | Organization | Registry | Status | Size |
|---|---|---|---|---|---|---|
| 27.114.0.0/17 | JP | PLALA | NTT DOCOMO,INC. | JPNIC | 32,768 | |
| 27.132.8.0/24 | JP | OCN | Open Computer Network | JPNIC | 256 | |
| 27.133.240.0/22 | JP | DRTZ-SRV-NET | Directorz CO.,LTD. | JPNIC | 1,024 | |
| 36.52.223.0/24 | JP | OCN | Open Computer Network | JPNIC | 256 | |
| 58.88.0.0/13 | JP | OCN | Open Computer Network | JPNIC | 524,288 | |
| 60.32.0.0/12 | JP | OCN-CIDR-BLK-JP | NTT COMMUNICATIONS CORPORATION | JPNIC | 1,048,576 | |
| 61.4.152.0/23 | JP | NDS | Nds Co LTD | APNIC | ALLOCATED PORTABLE | 512 |
| 61.4.154.0/23 | JP | NDS | Nds Co LTD | APNIC | ALLOCATED PORTABLE | 512 |
| 61.4.156.0/22 | JP | NDS | Nds Co LTD | APNIC | ALLOCATED PORTABLE | 1,024 |
| 61.4.160.0/24 | JP | NDS | Nds Co LTD | APNIC | ALLOCATED PORTABLE | 256 |
| 61.4.161.0/24 | JP | NDS | Nds Co LTD | APNIC | ALLOCATED PORTABLE | 256 |
| 61.4.162.0/24 | JP | NDS | Nds Co LTD | APNIC | ALLOCATED PORTABLE | 256 |
| 61.4.163.0/24 | JP | NDS | Nds Co LTD | APNIC | ALLOCATED PORTABLE | 256 |
| 61.4.164.0/22 | JP | NDS | Nds Co LTD | APNIC | ALLOCATED PORTABLE | 1,024 |
| 61.4.168.0/22 | JP | NDS | Nds Co LTD | APNIC | ALLOCATED PORTABLE | 1,024 |
| 61.4.172.0/22 | JP | NDS | Nds Co LTD | APNIC | ALLOCATED PORTABLE | 1,024 |
| 61.112.0.0/15 | JP | OCN | Open Computer Network | JPNIC | 131,072 | |
| 61.114.112.0/21 | JP | KBB-CIDR-BLK-JP | Kansai Broadband Corp. | JPNIC | 2,048 | |
| 61.114.120.0/21 | JP | KBB-CIDR-BLK-JP | Kansai Broadband Corp. | JPNIC | 2,048 | |
| 61.115.33.0/24 | JP | ICSITE | NIPPON TELEGRAPH AND TELEPHONE EAST CORPORATION | JPNIC | 256 | |
| 61.118.0.0/15 | JP | OCN | Open Computer Network | JPNIC | 131,072 | |
| 61.126.0.0/15 | JP | OCN | Open Computer Network | JPNIC | 131,072 | |
| 61.199.0.0/16 | JP | OCN | Open Computer Network | JPNIC | 65,536 | |
| 61.207.0.0/16 | JP | OCN | Open Computer Network | JPNIC | 65,536 | |
| 61.208.0.0/16 | JP | OCN-CIDR-BLK-JP | NTT COMMUNICATIONS CORPORATION | JPNIC | 65,536 | |
| 61.214.0.0/16 | JP | OCN | Open Computer Network | JPNIC | 65,536 | |
| 103.163.250.0/23 | JP | HKB-NW01 | Northern Wide Area Public Cooperative Association | JPNIC | 512 | |
| 114.144.0.0/12 | JP | OCN | Open Computer Network | JPNIC | 1,048,576 | |
| 114.160.0.0/11 | JP | KITAMI | Kitami City | JPNIC | 2,097,152 | |
| 118.0.0.0/12 | JP | OCN | Open Computer Network | JPNIC | 1,048,576 | |
| 118.16.0.0/13 | JP | PLALA | NTT DOCOMO,INC. | JPNIC | 524,288 | |
| 119.161.104.0/21 | JP | KBB-CIDR-BLK-JP | Kansai Broadband Corp. | JPNIC | 2,048 | |
| 121.112.0.0/13 | JP | PLALA | NTT DOCOMO,INC. | JPNIC | 524,288 | |
| 122.1.0.0/16 | JP | OCN-CIDR-BLK-JP | NTT COMMUNICATIONS CORPORATION | JPNIC | 65,536 | |
| 122.16.0.0/12 | JP | OCN | Open Computer Network | JPNIC | 1,048,576 | |
| 123.216.0.0/13 | JP | OCN | Open Computer Network | JPNIC | 524,288 | |
| 123.224.0.0/14 | JP | OCN | Open Computer Network | JPNIC | 262,144 | |
| 124.84.0.0/14 | JP | OCN | Open Computer Network | JPNIC | 262,144 | |
| 124.96.0.0/13 | JP | OCN | Open Computer Network | JPNIC | 524,288 | |
| 125.170.0.0/16 | JP | OCN | Open Computer Network | JPNIC | 65,536 | |
| 125.172.0.0/14 | JP | OCN | Open Computer Network | JPNIC | 262,144 | |
| 125.200.0.0/13 | JP | OCN | Open Computer Network | JPNIC | 524,288 | |
| 133.153.0.0/16 | JP | JPNIC-NET-JP-ERX | Japan Network Information Center | APNIC | ALLOCATED PORTABLE | 65,536 |
| 133.153.22.0/24 | JP | JPNIC-NET-JP-ERX | Japan Network Information Center | APNIC | ALLOCATED PORTABLE | 256 |
| 133.170.0.0/16 | JP | JPNIC-NET-JP-ERX | Japan Network Information Center | APNIC | ALLOCATED PORTABLE | 65,536 |
| 138.212.224.0/24 | JP | ACEWAN-CIDR-BLK-JP | ASAHI KASEI CORPORATION | JPNIC | 256 | |
| 138.212.225.0/24 | JP | ACEWAN-CIDR-BLK-JP | ASAHI KASEI CORPORATION | JPNIC | 256 | |
| 138.212.227.0/24 | JP | ACEWAN-CIDR-BLK-JP | ASAHI KASEI CORPORATION | JPNIC | 256 | |
| 138.212.228.0/24 | JP | ACEWAN-CIDR-BLK-JP | ASAHI KASEI CORPORATION | JPNIC | 256 | |
| 138.212.229.0/24 | JP | ACEWAN-CIDR-BLK-JP | ASAHI KASEI CORPORATION | JPNIC | 256 | |
| 138.212.230.0/24 | JP | ACEWAN-CIDR-BLK-JP | ASAHI KASEI CORPORATION | JPNIC | 256 | |
| 138.212.238.0/24 | JP | ACEWAN-CIDR-BLK-JP | ASAHI KASEI CORPORATION | JPNIC | 256 | |
| 138.212.239.0/24 | JP | ACEWAN-CIDR-BLK-JP | ASAHI KASEI CORPORATION | JPNIC | 256 | |
| 138.212.241.0/24 | JP | ACEWAN-CIDR-BLK-JP | ASAHI KASEI CORPORATION | JPNIC | 256 | |
| 138.212.245.0/24 | JP | ACEWAN-CIDR-BLK-JP | ASAHI KASEI CORPORATION | JPNIC | 256 | |
| 138.212.249.0/24 | JP | ACEWAN-CIDR-BLK-JP | ASAHI KASEI CORPORATION | JPNIC | 256 | |
| 138.212.252.0/24 | JP | ACEWAN-CIDR-BLK-JP | ASAHI KASEI CORPORATION | JPNIC | 256 | |
| 150.5.64.0/18 | JP | JGCNET-CIDR-BLK-JP | Jgc Corporation | JPNIC | 16,384 | |
| 150.35.0.0/16 | JP | JAPAN150 | Japan Network Information Center | APNIC | ALLOCATED PORTABLE | 65,536 |
| 150.35.235.0/24 | JP | JAPAN150 | Japan Network Information Center | APNIC | ALLOCATED PORTABLE | 256 |
| 150.61.4.0/24 | JP | JAPAN150 | Japan Network Information Center | APNIC | ALLOCATED PORTABLE | 256 |
| 150.61.8.0/24 | JP | JAPAN150 | Japan Network Information Center | APNIC | ALLOCATED PORTABLE | 256 |
| 150.61.13.0/24 | JP | JAPAN150 | Japan Network Information Center | APNIC | ALLOCATED PORTABLE | 256 |
| 150.61.17.0/24 | JP | JAPAN150 | Japan Network Information Center | APNIC | ALLOCATED PORTABLE | 256 |
| 150.61.31.0/24 | JP | JAPAN150 | Japan Network Information Center | APNIC | ALLOCATED PORTABLE | 256 |
| 150.61.33.0/24 | JP | JAPAN150 | Japan Network Information Center | APNIC | ALLOCATED PORTABLE | 256 |
| 150.61.35.0/24 | JP | JAPAN150 | Japan Network Information Center | APNIC | ALLOCATED PORTABLE | 256 |
| 150.61.41.0/24 | JP | JAPAN150 | Japan Network Information Center | APNIC | ALLOCATED PORTABLE | 256 |
| 150.61.46.0/24 | JP | JAPAN150 | Japan Network Information Center | APNIC | ALLOCATED PORTABLE | 256 |
| 150.61.49.0/24 | JP | JAPAN150 | Japan Network Information Center | APNIC | ALLOCATED PORTABLE | 256 |
| 150.61.53.0/24 | JP | JAPAN150 | Japan Network Information Center | APNIC | ALLOCATED PORTABLE | 256 |
| 150.61.64.0/18 | JP | JAPAN150 | Japan Network Information Center | APNIC | ALLOCATED PORTABLE | 16,384 |
| 150.61.70.0/24 | JP | JAPAN150 | Japan Network Information Center | APNIC | ALLOCATED PORTABLE | 256 |
| 150.61.128.0/17 | JP | JAPAN150 | Japan Network Information Center | APNIC | ALLOCATED PORTABLE | 32,768 |
| 153.124.192.0/21 | JP | DRTZ-SRV-NET | Directorz CO.,LTD. | JPNIC | 2,048 | |
| 153.128.0.0/10 | JP | OCN | Open Computer Network | JPNIC | 4,194,304 | |
| 153.192.0.0/11 | JP | OCN | Open Computer Network | JPNIC | 2,097,152 | |
| 153.224.0.0/12 | JP | OCN | Open Computer Network | JPNIC | 1,048,576 | |
| 153.240.0.0/13 | JP | OCN | Open Computer Network | JPNIC | 524,288 | |
| 153.248.0.0/14 | JP | OCN | Open Computer Network | JPNIC | 262,144 | |
| 153.252.0.0/15 | JP | OCN | Open Computer Network | JPNIC | 131,072 | |
| 157.64.0.0/16 | JP | NIPSIGNET | THE NIPPON SIGNAL CO., LTD. | APNIC | ASSIGNED PORTABLE | 65,536 |
| 157.120.124.0/24 | JP | FSIABCNET-CIDR-BLK-JP | FUJI SOFT INCORPORATED | JPNIC | 256 | |
| 157.120.125.0/24 | JP | FSIABCNET-CIDR-BLK-JP | FUJI SOFT INCORPORATED | JPNIC | 256 | |
| 157.120.126.0/24 | JP | FSIABCNET-CIDR-BLK-JP | FUJI SOFT INCORPORATED | JPNIC | 256 | |
| 157.120.127.0/24 | JP | FSIABCNET-CIDR-BLK-JP | FUJI SOFT INCORPORATED | JPNIC | 256 | |
| 159.211.22.0/24 | JP | DICNET | Dic Corporation | APNIC | ALLOCATED PORTABLE | 256 |
| 159.211.224.0/24 | JP | DICNET | Dic Corporation | APNIC | ALLOCATED PORTABLE | 256 |
| 159.211.237.0/24 | JP | DICNET | Dic Corporation | APNIC | ALLOCATED PORTABLE | 256 |
| 159.211.248.0/24 | JP | DICNET | Dic Corporation | APNIC | ALLOCATED PORTABLE | 256 |
| 164.43.141.0/24 | JP | JTNET | JAPAN TOBACCO INC. | APNIC | ALLOCATED PORTABLE | 256 |
| 165.108.0.0/16 | JP | ITOCHUNET | Itochu Corporation | APNIC | ALLOCATED PORTABLE | 65,536 |
| 165.241.0.0/21 | JP | MCNET | MITSUBISHI CORPORATION | APNIC | ASSIGNED PORTABLE | 2,048 |
| 165.241.8.0/22 | JP | MCNET | MITSUBISHI CORPORATION | APNIC | ASSIGNED PORTABLE | 1,024 |
| 165.241.12.0/22 | JP | MCNET | MITSUBISHI CORPORATION | APNIC | ASSIGNED PORTABLE | 1,024 |
| 165.241.16.0/20 | JP | MCNET | MITSUBISHI CORPORATION | APNIC | ASSIGNED PORTABLE | 4,096 |
| 165.241.32.0/19 | JP | MCNET | MITSUBISHI CORPORATION | APNIC | ASSIGNED PORTABLE | 8,192 |
| 165.241.64.0/18 | JP | MCNET | MITSUBISHI CORPORATION | APNIC | ASSIGNED PORTABLE | 16,384 |
| 165.241.128.0/17 | JP | MCNET | MITSUBISHI CORPORATION | APNIC | ASSIGNED PORTABLE | 32,768 |
| 169.145.224.0/20 | US | SAP | Sap America Inc. | ARIN | allocation | 4,096 |
| 169.145.237.0/24 | US | SAP | Sap America Inc. | ARIN | allocation | 256 |
| 180.0.0.0/10 | JP | OCN | Open Computer Network | JPNIC | 4,194,304 | |
| 182.161.76.0/22 | JP | DRTZ-SRV-NET | Directorz CO.,LTD. | JPNIC | 1,024 | |
| 192.5.98.0/24 | US | AUTOSYS | Automated Systems, Inc. | ARIN | allocation | 256 |
| 198.232.16.0/24 | US | NETBLK-COGNEX | Cognex Corporation | ARIN | allocation | 256 |
| 202.18.209.0/24 | JP | SKYNET-CIDR-BLK-JP | Sekisui House, LTD | JPNIC | 256 | |
| 202.18.210.0/24 | JP | SKYNET-CIDR-BLK-JP | Sekisui House, LTD | JPNIC | 256 | |
| 202.19.152.0/24 | JP | OG-NET-CIDR-BLK-JP | Osaka Gas Co,. Ltd. | JPNIC | 256 | |
| 202.34.80.0/24 | JP | TMNFNET-CIDR-BLK-JP | The Tokio Marine And Nichido Fire Insurance CO.,LTD. | JPNIC | 256 | |
| 202.34.81.0/24 | JP | TMNFNET-CIDR-BLK-JP | The Tokio Marine And Nichido Fire Insurance CO.,LTD. | JPNIC | 256 | |
| 202.34.82.0/24 | JP | TMNFNET-CIDR-BLK-JP | The Tokio Marine And Nichido Fire Insurance CO.,LTD. | JPNIC | 256 | |
| 202.34.83.0/24 | JP | TMNFNET-CIDR-BLK-JP | The Tokio Marine And Nichido Fire Insurance CO.,LTD. | JPNIC | 256 | |
| 202.34.90.0/24 | JP | TMNFNET-CIDR-BLK-JP | The Tokio Marine And Nichido Fire Insurance CO.,LTD. | JPNIC | 256 | |
| 202.34.92.0/24 | JP | TMNFNET-CIDR-BLK-JP | The Tokio Marine And Nichido Fire Insurance CO.,LTD. | JPNIC | 256 | |
| 202.34.93.0/24 | JP | TMNFNET-CIDR-BLK-JP | The Tokio Marine And Nichido Fire Insurance CO.,LTD. | JPNIC | 256 | |
| 202.34.94.0/24 | JP | TMNFNET-CIDR-BLK-JP | The Tokio Marine And Nichido Fire Insurance CO.,LTD. | JPNIC | 256 | |
| 202.34.100.0/24 | JP | TMNFNET-CIDR-BLK-JP | The Tokio Marine And Nichido Fire Insurance CO.,LTD. | JPNIC | 256 | |
| 202.34.102.0/24 | JP | TMNFNET-CIDR-BLK-JP | The Tokio Marine And Nichido Fire Insurance CO.,LTD. | JPNIC | 256 | |
| 202.34.103.0/24 | JP | TMNFNET-CIDR-BLK-JP | The Tokio Marine And Nichido Fire Insurance CO.,LTD. | JPNIC | 256 | |
| 202.34.104.0/24 | JP | TMNFNET-CIDR-BLK-JP | The Tokio Marine And Nichido Fire Insurance CO.,LTD. | JPNIC | 256 | |
| 202.34.106.0/24 | JP | TMNFNET-CIDR-BLK-JP | The Tokio Marine And Nichido Fire Insurance CO.,LTD. | JPNIC | 256 | |
| 202.34.107.0/24 | JP | TMNFNET-CIDR-BLK-JP | The Tokio Marine And Nichido Fire Insurance CO.,LTD. | JPNIC | 256 | |
| 202.34.108.0/23 | JP | TMNFNET-CIDR-BLK-JP | The Tokio Marine And Nichido Fire Insurance CO.,LTD. | JPNIC | 512 | |
| 202.34.110.0/24 | JP | TMNFNET-CIDR-BLK-JP | The Tokio Marine And Nichido Fire Insurance CO.,LTD. | JPNIC | 256 | |
| 202.34.111.0/24 | JP | TMNFNET-CIDR-BLK-JP | The Tokio Marine And Nichido Fire Insurance CO.,LTD. | JPNIC | 256 | |
| 202.157.100.0/24 | JP | NDS | Nds Co LTD | APNIC | ALLOCATED PORTABLE | 256 |
| 202.157.101.0/24 | JP | NDS | Nds Co LTD | APNIC | ALLOCATED PORTABLE | 256 |
| 202.157.102.0/24 | JP | NDS | Nds Co LTD | APNIC | ALLOCATED PORTABLE | 256 |
| 202.157.103.0/24 | JP | NDS | Nds Co LTD | APNIC | ALLOCATED PORTABLE | 256 |
| 202.157.112.0/22 | JP | NDS | Nds Co LTD | APNIC | ALLOCATED PORTABLE | 1,024 |
| 202.157.116.0/22 | JP | NDS | Nds Co LTD | APNIC | ALLOCATED PORTABLE | 1,024 |
| 202.157.120.0/22 | JP | NDS | Nds Co LTD | APNIC | ALLOCATED PORTABLE | 1,024 |
| 202.157.124.0/24 | JP | NDS | Nds Co LTD | APNIC | ALLOCATED PORTABLE | 256 |
| 202.157.125.0/24 | JP | NDS | Nds Co LTD | APNIC | ALLOCATED PORTABLE | 256 |
| 202.191.16.0/20 | JP | SOL-G-NET | Solution Center Gifu | JPNIC | 4,096 | |
| 202.213.16.0/22 | JP | HB-WAN-CIDR-BLK-JP | Logisteed, Ltd. | JPNIC | 1,024 | |
| 202.216.26.0/24 | JP | NTT-WEST-NET | NTT FIELDTECHNO CORPORATION | JPNIC | 256 | |
| 202.234.192.0/18 | JP | OCN-CIDR-BLK-JP | NTT COMMUNICATIONS CORPORATION | JPNIC | 16,384 | |
| 202.246.122.0/23 | JP | HAKUHODONET-CIDR-BLK-JP | HAKUHODO, INCORPORATED | JPNIC | 512 | |
| 202.255.27.0/24 | JP | ITK-NET-CIDR-BLK-JP | ITOKI CO,LTD | JPNIC | 256 | |
| 202.255.28.0/23 | JP | MITANI-CIDR-BLK-JP | Mitani Sangyo CO.,LTD. | JPNIC | 512 | |
| 202.255.56.0/22 | JP | MARUNET-CIDR-BLK-JP | Maruzen-yushodo Company,limited | JPNIC | 1,024 | |
| 202.255.60.0/24 | JP | MARUNET-CIDR-BLK-JP | Maruzen-yushodo Company,limited | JPNIC | 256 | |
| 202.255.61.0/24 | JP | MARUNET-CIDR-BLK-JP | Maruzen-yushodo Company,limited | JPNIC | 256 | |
| 202.255.62.0/24 | JP | MARUNET-CIDR-BLK-JP | Maruzen-yushodo Company,limited | JPNIC | 256 | |
| 203.139.160.0/19 | JP | OCN | Open Computer Network | JPNIC | 8,192 | |
| 203.140.96.0/19 | JP | IFAX | NTT Communications Corporation | JPNIC | 8,192 | |
| 210.132.0.0/18 | JP | OCN | Open Computer Network | JPNIC | 16,384 | |
| 210.134.16.0/20 | JP | OWARI | Internet Owari Co., Ltd. | JPNIC | 4,096 | |
| 210.145.0.0/16 | JP | OCN-CIDR-BLK-JP | NTT COMMUNICATIONS CORPORATION | JPNIC | 65,536 | |
| 210.154.0.0/16 | JP | OCN-CIDR-BLK-JP | NTT COMMUNICATIONS CORPORATION | JPNIC | 65,536 | |
| 210.160.0.0/14 | JP | OCN-CIDR-BLK-JP | NTT COMMUNICATIONS CORPORATION | JPNIC | 262,144 | |
| 210.164.0.0/16 | JP | OCN-CIDR-BLK-JP | NTT COMMUNICATIONS CORPORATION | JPNIC | 65,536 | |
| 210.170.64.0/18 | JP | OCN-CIDR-BLK-JP | NTT COMMUNICATIONS CORPORATION | JPNIC | 16,384 | |
| 210.190.0.0/16 | JP | OCN-CIDR-BLK-JP | NTT COMMUNICATIONS CORPORATION | JPNIC | 65,536 | |
| 210.225.0.0/16 | JP | OCN-CIDR-BLK-JP | NTT COMMUNICATIONS CORPORATION | JPNIC | 65,536 | |
| 210.226.0.0/15 | JP | OCN-CIDR-BLK-JP | NTT COMMUNICATIONS CORPORATION | JPNIC | 131,072 | |
| 210.232.0.0/16 | JP | JIJI-1ST-NET | JIJI PRESS,LTD. | JPNIC | 65,536 | |
| 210.248.0.0/16 | JP | OCN-CIDR-BLK-JP | NTT COMMUNICATIONS CORPORATION | JPNIC | 65,536 | |
| 210.254.128.0/17 | JP | OCN-CIDR-BLK-JP | NTT COMMUNICATIONS CORPORATION | JPNIC | 32,768 | |
| 211.0.0.0/16 | JP | OCN-CIDR-BLK-JP | NTT COMMUNICATIONS CORPORATION | JPNIC | 65,536 | |
| 211.1.32.0/19 | JP | KBB-CIDR-BLK-JP | Kansai Broadband Corp. | JPNIC | 8,192 | |
| 211.6.0.0/16 | JP | OCN | Open Computer Network | JPNIC | 65,536 | |
| 211.11.0.0/16 | JP | OCN | Open Computer Network | JPNIC | 65,536 | |
| 211.16.0.0/15 | JP | OCN | Open Computer Network | JPNIC | 131,072 | |
| 211.122.0.0/15 | JP | OCN | Open Computer Network | JPNIC | 131,072 | |
| 211.129.0.0/16 | JP | OCN | Open Computer Network | JPNIC | 65,536 | |
| 211.130.0.0/18 | JP | OCN-CIDR-BLK-JP | NTT COMMUNICATIONS CORPORATION | JPNIC | 16,384 | |
| 211.130.64.0/19 | JP | OCN-CIDR-BLK-JP | NTT COMMUNICATIONS CORPORATION | JPNIC | 8,192 | |
| 211.130.128.0/17 | JP | OCN-CIDR-BLK-JP | NTT COMMUNICATIONS CORPORATION | JPNIC | 32,768 | |
| 218.43.0.0/16 | JP | OCN | Open Computer Network | JPNIC | 65,536 | |
| 218.44.0.0/16 | JP | OCN-CIDR-BLK-JP | NTT COMMUNICATIONS CORPORATION | JPNIC | 65,536 | |
| 218.47.0.0/16 | JP | PLALA | NTT DOCOMO,INC. | JPNIC | 65,536 | |
| 218.224.0.0/16 | JP | OCN | Open Computer Network | JPNIC | 65,536 | |
| 218.230.128.0/17 | JP | OCN | Open Computer Network | JPNIC | 32,768 | |
| 219.96.128.0/17 | JP | OCN | Open Computer Network | JPNIC | 32,768 | |
| 219.114.0.0/17 | JP | OCN | Open Computer Network | JPNIC | 32,768 | |
| 219.160.0.0/13 | JP | OCN | Open Computer Network | JPNIC | 524,288 | |
| 220.96.0.0/14 | JP | OCN | Open Computer Network | JPNIC | 262,144 | |
| 220.104.0.0/13 | JP | OCN | Open Computer Network | JPNIC | 524,288 | |
| 220.220.0.0/15 | JP | PLALA | NTT DOCOMO,INC. | JPNIC | 131,072 | |
| 221.113.128.0/17 | JP | OCN | Open Computer Network | JPNIC | 32,768 | |
| 221.184.0.0/13 | JP | OCN | Open Computer Network | JPNIC | 524,288 | |
| 222.144.0.0/13 | JP | OCN | Open Computer Network | JPNIC | 524,288 | |
| 223.216.0.0/14 | JP | PLALA | NTT DOCOMO,INC. | JPNIC | 262,144 |
IPv6 Prefixes
| CIDR | Country | Network Name | Organization | Registry | Status |
|---|---|---|---|---|---|
| 2001:380::/32 | JP | OCN-CIDR-BLK-JP | NTT COMMUNICATIONS CORPORATION | JPNIC | |
| 2001:380:4::/48 | JP | OCN-CIDR-BLK-JP | NTT COMMUNICATIONS CORPORATION | JPNIC | |
| 2400:4000::/22 | JP | OCN | NTT COMMUNICATIONS CORPORATION | JPNIC | |
| 2400:7800::/32 | JP | PLALA | NTT Docomo Inc. | JPNIC | |
| 2407:a800:3e11:111a::/64 | JP | MOD-CIDR-BLK-JP | MINISTRY OF DEFENSE | JPNIC | |
| 2407:a800:3e12::/48 | JP | MOD-CIDR-BLK-JP | MINISTRY OF DEFENSE | JPNIC |
Network Relationships
Peers:
AS2000, AS2500, AS2518, AS2687, AS2906, AS4673, AS4777, AS7500, AS7529, AS7674, AS9374, AS15169, AS16509, AS17534, AS17676, AS17940, AS18126, AS18260, AS24262, AS25152, AS131928
Downstreams:
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