IPv4 prefix
210.123.0.0/17
- IP Prefix (CIDR)
- 210.123.0.0/17
- Subnet Mask
- 255.255.128.0
- Address Count
- 32,768
- Owner
- IP Manager
- Handle
- IM9-KR
- Country
-
Korea (the Republic of) (KR)
- Address
- 90 Buljeong-ro, Bundang-gu, Seongnam-si, Gyeonggi-do KT Head Office
- Registry
- KRNIC
- Registered Prefix
- 210.123.0.0/17 (210.123.0.0 - 210.123.127.255)
- Delegated Prefix
- 210.123.0.0/16 (210.123.0.0 - 210.123.255.255)
| Announced Prefix | Relationship | Origin ASN | Description | Country | First Address | Last Address |
|---|---|---|---|---|---|---|
| 210.123.0.0/16 | Covering | AS4766 | Korea Telecom |
Korea (the Republic of) (KR)
|
210.123.0.0 | 210.123.255.255 |
| 210.123.14.0/24 | More specific | AS9526 | KOSCOM |
Korea (the Republic of) (KR)
|
210.123.14.0 | 210.123.14.255 |
| 210.123.32.0/20 | More specific | AS18176 | KOOKMIN UNIVERSITY |
Korea (the Republic of) (KR)
|
210.123.32.0 | 210.123.47.255 |
| 210.123.71.0/24 | More specific | AS17845 | Gyeonggi Technopark |
Korea (the Republic of) (KR)
|
210.123.71.0 | 210.123.71.255 |
| 210.123.80.0/24 | More specific | AS9634 | Shinhan Securities Co. Ltd. |
Korea (the Republic of) (KR)
|
210.123.80.0 | 210.123.80.255 |
| 210.123.108.0/24 | More specific | AS9855 | Korean Federation of Community Credit Cooperatives |
Korea (the Republic of) (KR)
|
210.123.108.0 | 210.123.108.255 |