IPv4 prefix
103.12.52.0/22
- IP Prefix (CIDR)
- 103.12.52.0/22
- Subnet Mask
- 255.255.252.0
- Address Count
- 1,024
Registration 1 of 2
- Handle
- IRT-DIL-JP
- Country
-
Japan (JP)
- Address
- Spring-tech Tsukuba building 401, Umezono 2-1-15, Tsukuba-shi Ibaragi-ken 305-0045
- Registry
- APNIC
- Registered Prefix
- 103.12.52.0/24 (103.12.52.0 - 103.12.52.255)
- Delegated Prefix
- 103.12.52.0/22 (103.12.52.0 - 103.12.55.255)
Registration 2 of 2
- Owner
- Bunny Wu
- Handle
- BW1011-AP
- Country
-
Japan (JP)
- Address
- 5 Brewster Street,
- Registry
- APNIC
- Registered Prefixes
-
103.12.53.0/24 (103.12.53.0 - 103.12.53.255)
103.12.54.0/24 (103.12.54.0 - 103.12.54.255)
103.12.55.0/24 (103.12.55.0 - 103.12.55.255) - Delegated Prefix
- 103.12.52.0/22 (103.12.52.0 - 103.12.55.255)
| Announced Prefix | Relationship | Origin ASN | Description | Country | First Address | Last Address |
|---|---|---|---|---|---|---|
| 103.12.52.0/24 | More specific | AS2914 | NTT America Inc. |
United States of America (US)
|
103.12.52.0 | 103.12.52.255 |
| 103.12.53.0/24 | More specific | AS142622 | Dream Information Laboratory LLC |
Japan (JP)
|
103.12.53.0 | 103.12.53.255 |
| 103.12.54.0/24 | More specific | AS142622 | Dream Information Laboratory LLC |
Japan (JP)
|
103.12.54.0 | 103.12.54.255 |
| 103.12.55.0/24 | More specific | AS2914 | NTT America Inc. |
United States of America (US)
|
103.12.55.0 | 103.12.55.255 |
| 103.12.55.0/24 | More specific | AS40605 | ANYCONNECT INFORMATION TECHNOLOGY CO. LTD |
United States of America (US)
|
103.12.55.0 | 103.12.55.255 |