IPv4 prefix
163.131.0.0/16
- IP Prefix (CIDR)
- 163.131.0.0/16
- Subnet Mask
- 255.255.0.0
- Address Count
- 65,536
Registration 1 of 2
- 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
- 163.130.0.0/15 (163.130.0.0 - 163.131.255.255)
- Delegated Prefix
- 163.137.0.0/16 (163.137.0.0 - 163.137.255.255)
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
-
163.131.0.0/19 (163.131.0.0 - 163.131.31.255)
163.131.32.0/19 (163.131.32.0 - 163.131.63.255)
163.131.64.0/20 (163.131.64.0 - 163.131.79.255)
163.131.96.0/21 (163.131.96.0 - 163.131.103.255)
163.131.104.0/22 (163.131.104.0 - 163.131.107.255)
163.131.112.0/22 (163.131.112.0 - 163.131.115.255)
163.131.128.0/18 (163.131.128.0 - 163.131.191.255)
163.131.192.0/18 (163.131.192.0 - 163.131.255.255) - Delegated Prefix
- 163.131.0.0/16 (163.131.0.0 - 163.131.255.255)
| Announced Prefix | Relationship | Origin ASN | Description | Country | First Address | Last Address |
|---|---|---|---|---|---|---|
| 163.131.0.0/19 | More specific | AS59107 | Hachinohe Cable Television Co. |
Japan (JP)
|
163.131.0.0 | 163.131.31.255 |
| 163.131.32.0/19 | More specific | AS10000 | Nagasaki Cable Media Inc. |
Japan (JP)
|
163.131.32.0 | 163.131.63.255 |
| 163.131.64.0/19 | More specific | AS38628 | HIMEJI CABLE TELEVISION CORPORATION |
Japan (JP)
|
163.131.64.0 | 163.131.95.255 |
| 163.131.96.0/21 | More specific | AS38628 | HIMEJI CABLE TELEVISION CORPORATION |
Japan (JP)
|
163.131.96.0 | 163.131.103.255 |
| 163.131.104.0/21 | More specific | AS18135 | BTV CO. LTD. |
Japan (JP)
|
163.131.104.0 | 163.131.111.255 |
| 163.131.112.0/20 | More specific | AS131916 | Tokyo Bay Network Co. Ltd. |
Japan (JP)
|
163.131.112.0 | 163.131.127.255 |
| 163.131.128.0/18 | More specific | AS131916 | Tokyo Bay Network Co. Ltd. |
Japan (JP)
|
163.131.128.0 | 163.131.191.255 |
| 163.131.192.0/18 | More specific | AS131918 | SHONAN CABLE NETWORK |
Japan (JP)
|
163.131.192.0 | 163.131.255.255 |