Data as of Nov 5, 2026
210.57.255.0/24
No anonymizer space · no proxy exits in 30 daysSeocho Cable Systems Co., Ltd. · space held by kt HCN Co.,Ltd.
Network & registry
Announced by
Covering announcement 210.57.248.0/21
- Prefix
- 210.57.248.0/21
- Announced by
- AS9569 Seocho Cable Systems Co., Ltd.
- Type
- Residential
- Proxy exits
- 3
- RPKI
- No RPKI
- Netname
- HCN-KR
- Registrant
- kt HCN Co.,Ltd.
- RIR
- APNIC
Origin network
AS9569
KR
- Name
- Seocho Cable Systems Co., Ltd.
- Type
- Internet provider
- Registered
- Jul 21, 1999
- Domain
- kthcn.co.kr
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced 210.57.248.0/21
210.57.248.0/21
Routing history
- Pattern
- Stable
- First seen
- Jul 2006
- Current origin since
- Sep 2006 · 20 yr
- Origin networks
- 2
- Last change of origin
- Sep 2006
Recorded history
History
- Handoffs
- 1
IRR
Route objects on 210.57.248.0/21
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS9569 | RADB | Proxy-Registered Route Object by DACOM(AS3786) | MAINT-AS3786 | Nov 13, 2023 |
Whois
Registration for this announcement
- Range
- 210.
57. 224. 0/ 19 - Netname
- HCN-KR
- Registrant
- kt HCN Co.,Ltd.
- Registrant country
- KR
- Organization
- kt HCN Co.,Ltd.
- Org country
- KR
- Type
- ALLOCATED PORTABLE
- Created
- Not stated by the registry
- Maintainer
- MNT-KRNIC-AP
- RIR
- APNIC
- Country
- KR
- Delegated
- Jun 13, 2006
- Status
- assigned
Report abuse
Abuse contact
- irt@
nic. or. kr - Name
- IRT-KRNIC-KR
- Handle
- IRT-KRNIC-KR