IPv4 prefix
153.121.0.0/17
- IP Prefix (CIDR)
- 153.121.0.0/17
- Subnet Mask
- 255.255.128.0
- Address Count
- 32,768
Registration 1 of 2
- Handle
- IRT-APNIC-AP
- Country
-
Australia (AU)
- Address
- Brisbane, Australia
- Registry
- APNIC
- Registered Prefix
- 153.0.0.0/8 (153.0.0.0 - 153.255.255.255)
- Delegated Prefix
- 153.52.0.0/18 (153.52.0.0 - 153.52.63.255)
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
-
153.121.0.0/24 (153.121.0.0 - 153.121.0.255)
153.121.64.0/24 (153.121.64.0 - 153.121.64.255)
153.121.96.0/19 (153.121.96.0 - 153.121.127.255)
153.121.112.0/24 (153.121.112.0 - 153.121.112.255) - Delegated Prefix
- 153.121.0.0/17 (153.121.0.0 - 153.121.127.255)
| Announced Prefix | Relationship | Origin ASN | Description | Country | First Address | Last Address |
|---|---|---|---|---|---|---|
| 153.121.0.0/18 | More specific | AS9370 | SAKURA Internet Inc. |
Japan (JP)
|
153.121.0.0 | 153.121.63.255 |
| 153.121.64.0/19 | More specific | AS9370 | SAKURA Internet Inc. |
Japan (JP)
|
153.121.64.0 | 153.121.95.255 |