IPv4 prefix
192.50.0.0/16
- IP Prefix (CIDR)
- 192.50.0.0/16
- Subnet Mask
- 255.255.0.0
- Address Count
- 65,536
Registration 1 of 2
- Owner
- Internet Assigned Numbers Authority
- Handle
- IANA1-AP
- Country
-
Australia (AU)
- Address
- see http://www.iana.org.
- Registry
- APNIC
- Registered Prefix
- 192.0.0.0/8 (192.0.0.0 - 192.255.255.255)
- Delegated Prefix
- 192.149.239.0/24 (192.149.239.0 - 192.149.239.255)
Registration 2 of 2
- Owner
- Japan Network Information Center
- Handle
- JNIC1-AP
- Country
-
Japan (JP)
- Address
- Uchikanda OS Bldg 4F, 2-12-6 Uchi-Kanda Chiyoda-ku, Tokyo 101-0047, Japan
- Registry
- JPNIC
- Registered Prefixes
-
192.50.0.0/24 (192.50.0.0 - 192.50.0.255)
192.50.8.0/24 (192.50.8.0 - 192.50.8.255)
192.50.12.0/24 (192.50.12.0 - 192.50.12.255)
192.50.24.0/24 (192.50.24.0 - 192.50.24.255)
192.50.27.0/24 (192.50.27.0 - 192.50.27.255)
192.50.28.0/24 (192.50.28.0 - 192.50.28.255)
192.50.30.0/24 (192.50.30.0 - 192.50.30.255)
192.50.42.0/24 (192.50.42.0 - 192.50.42.255)
192.50.43.0/24 (192.50.43.0 - 192.50.43.255)
192.50.45.0/24 (192.50.45.0 - 192.50.45.255)
192.50.56.0/24 (192.50.56.0 - 192.50.56.255)
192.50.57.0/24 (192.50.57.0 - 192.50.57.255)
192.50.66.0/23 (192.50.66.0 - 192.50.67.255)
192.50.68.0/24 (192.50.68.0 - 192.50.68.255)
192.50.69.0/24 (192.50.69.0 - 192.50.69.255)
192.50.70.0/24 (192.50.70.0 - 192.50.70.255)
192.50.72.0/24 (192.50.72.0 - 192.50.72.255)
192.50.73.0/24 (192.50.73.0 - 192.50.73.255)
192.50.101.0/24 (192.50.101.0 - 192.50.101.255)
192.50.102.0/23 (192.50.102.0 - 192.50.103.255)
192.50.106.0/23 (192.50.106.0 - 192.50.107.255)
192.50.108.0/24 (192.50.108.0 - 192.50.108.255)
192.50.109.0/24 (192.50.109.0 - 192.50.109.255)
192.50.110.0/24 (192.50.110.0 - 192.50.110.255)
192.50.131.0/24 (192.50.131.0 - 192.50.131.255)
192.50.132.0/24 (192.50.132.0 - 192.50.132.255)
192.50.138.0/24 (192.50.138.0 - 192.50.138.255)
192.50.140.0/24 (192.50.140.0 - 192.50.140.255)
192.50.144.0/24 (192.50.144.0 - 192.50.144.255)
192.50.151.0/24 (192.50.151.0 - 192.50.151.255)
192.50.152.0/24 (192.50.152.0 - 192.50.152.255)
192.50.154.0/24 (192.50.154.0 - 192.50.154.255)
192.50.192.0/23 (192.50.192.0 - 192.50.193.255)
192.50.199.0/24 (192.50.199.0 - 192.50.199.255)
192.50.210.0/23 (192.50.210.0 - 192.50.211.255)
192.50.212.0/24 (192.50.212.0 - 192.50.212.255)
192.50.220.0/24 (192.50.220.0 - 192.50.220.255)
192.50.235.0/24 (192.50.235.0 - 192.50.235.255)
192.50.252.0/23 (192.50.252.0 - 192.50.253.255) - Delegated Prefix
- 192.50.0.0/16 (192.50.0.0 - 192.50.255.255)
| Announced Prefix | Relationship | Origin ASN | Description | Country | First Address | Last Address |
|---|---|---|---|---|---|---|
| 192.50.0.0/21 | More specific | AS4730 | Osaka University |
Japan (JP)
|
192.50.0.0 | 192.50.7.255 |
| 192.50.8.0/23 | More specific | AS2504 | Kyoto University |
Japan (JP)
|
192.50.8.0 | 192.50.9.255 |
| 192.50.12.0/24 | More specific | AS24287 | National Institute of Informatics |
Japan (JP)
|
192.50.12.0 | 192.50.12.255 |
| 192.50.24.0/23 | More specific | AS2504 | Kyoto University |
Japan (JP)
|
192.50.24.0 | 192.50.25.255 |
| 192.50.27.0/24 | More specific | AS38649 | The University of Electro-Communications |
Japan (JP)
|
192.50.27.0 | 192.50.27.255 |
| 192.50.28.0/24 | More specific | AS2907 | Research Organization of Information and Systems National Institute of Informatics |
Japan (JP)
|
192.50.28.0 | 192.50.28.255 |
| 192.50.30.0/23 | More specific | AS2907 | Research Organization of Information and Systems National Institute of Informatics |
Japan (JP)
|
192.50.30.0 | 192.50.31.255 |
| 192.50.42.0/24 | More specific | AS2907 | Research Organization of Information and Systems National Institute of Informatics |
Japan (JP)
|
192.50.42.0 | 192.50.42.255 |
| 192.50.43.0/24 | More specific | AS23634 | WIDE Project |
Japan (JP)
|
192.50.43.0 | 192.50.43.255 |
| 192.50.45.0/24 | More specific | AS7500 | WIDE Project |
Japan (JP)
|
192.50.45.0 | 192.50.45.255 |
| 192.50.56.0/24 | More specific | AS17687 | National University Corporation Nagoya University |
Japan (JP)
|
192.50.56.0 | 192.50.56.255 |
| 192.50.57.0/24 | More specific | AS2907 | Research Organization of Information and Systems National Institute of Informatics |
Japan (JP)
|
192.50.57.0 | 192.50.57.255 |
| 192.50.66.0/23 | More specific | AS24261 | Mie University |
Japan (JP)
|
192.50.66.0 | 192.50.67.255 |
| 192.50.68.0/24 | More specific | AS24261 | Mie University |
Japan (JP)
|
192.50.68.0 | 192.50.68.255 |
| 192.50.69.0/24 | More specific | AS2907 | Research Organization of Information and Systems National Institute of Informatics |
Japan (JP)
|
192.50.69.0 | 192.50.69.255 |
| 192.50.70.0/23 | More specific | AS2907 | Research Organization of Information and Systems National Institute of Informatics |
Japan (JP)
|
192.50.70.0 | 192.50.71.255 |
| 192.50.72.0/24 | More specific | AS2907 | Research Organization of Information and Systems National Institute of Informatics |
Japan (JP)
|
192.50.72.0 | 192.50.72.255 |
| 192.50.73.0/24 | More specific | AS23793 | National Institute of Advanced Industrial Science and Technology |
Japan (JP)
|
192.50.73.0 | 192.50.73.255 |
| 192.50.101.0/24 | More specific | AS7509 | Hokkaido University |
Japan (JP)
|
192.50.101.0 | 192.50.101.255 |
| 192.50.102.0/23 | More specific | AS2907 | Research Organization of Information and Systems National Institute of Informatics |
Japan (JP)
|
192.50.102.0 | 192.50.103.255 |
| 192.50.106.0/23 | More specific | AS2907 | Research Organization of Information and Systems National Institute of Informatics |
Japan (JP)
|
192.50.106.0 | 192.50.107.255 |
| 192.50.108.0/24 | More specific | AS2907 | Research Organization of Information and Systems National Institute of Informatics |
Japan (JP)
|
192.50.108.0 | 192.50.108.255 |
| 192.50.109.0/24 | More specific | AS17932 | Japan Advanced Institute of Science and Technology |
Japan (JP)
|
192.50.109.0 | 192.50.109.255 |
| 192.50.110.0/24 | More specific | AS2519 | ARTERIA Networks Corporation |
Japan (JP)
|
192.50.110.0 | 192.50.110.255 |
| 192.50.131.0/24 | More specific | AS63801 | DODO K.K. |
Japan (JP)
|
192.50.131.0 | 192.50.131.255 |
| 192.50.132.0/24 | More specific | AS45691 | DODO K.K. |
Japan (JP)
|
192.50.132.0 | 192.50.132.255 |
| 192.50.138.0/23 | More specific | AS59118 | NRI SecureTechnologies Ltd. |
Japan (JP)
|
192.50.138.0 | 192.50.139.255 |
| 192.50.140.0/22 | More specific | AS59118 | NRI SecureTechnologies Ltd. |
Japan (JP)
|
192.50.140.0 | 192.50.143.255 |
| 192.50.144.0/22 | More specific | AS59118 | NRI SecureTechnologies Ltd. |
Japan (JP)
|
192.50.144.0 | 192.50.147.255 |
| 192.50.151.0/24 | More specific | AS55396 | NRI SecureTechnologies Ltd |
Japan (JP)
|
192.50.151.0 | 192.50.151.255 |
| 192.50.152.0/24 | More specific | AS55396 | NRI SecureTechnologies Ltd |
Japan (JP)
|
192.50.152.0 | 192.50.152.255 |
| 192.50.154.0/24 | More specific | AS37914 | Advanced Software Technology and Management Research Institute of KYOTO |
Japan (JP)
|
192.50.154.0 | 192.50.154.255 |
| 192.50.192.0/23 | More specific | AS2907 | Research Organization of Information and Systems National Institute of Informatics |
Japan (JP)
|
192.50.192.0 | 192.50.193.255 |
| 192.50.199.0/24 | More specific | AS9597 | KDDI Web Communications Inc. |
Japan (JP)
|
192.50.199.0 | 192.50.199.255 |
| 192.50.210.0/23 | More specific | AS2907 | Research Organization of Information and Systems National Institute of Informatics |
Japan (JP)
|
192.50.210.0 | 192.50.211.255 |
| 192.50.212.0/24 | More specific | AS2907 | Research Organization of Information and Systems National Institute of Informatics |
Japan (JP)
|
192.50.212.0 | 192.50.212.255 |
| 192.50.220.0/24 | More specific | AS59128 | Kyoto University Microcomputer Club |
Japan (JP)
|
192.50.220.0 | 192.50.220.255 |
| 192.50.235.0/24 | More specific | AS2522 | Japan Network Information Center |
Japan (JP)
|
192.50.235.0 | 192.50.235.255 |
| 192.50.252.0/23 | More specific | AS2497 | Internet Initiative Japan Inc. |
Japan (JP)
|
192.50.252.0 | 192.50.253.255 |