Data as of Nov 10, 2026
210.121.239.0/24
No anonymizer space · no proxy exits in 30 daysKorea Telecom
Network & registry
Announced by
Covering announcement 210.121.128.0/17
- Prefix
- 210.121.128.0/17
- Announced by
- AS4766 Korea Telecom
- Type
- Residential
- Proxy exits
- 90
- Always-on exits
- 9
- RPKI
- No RPKI
- Netname
- KORNET-KR
- Registrant
- Korea Telecom
- RIR
- APNIC
Origin network
AS4766
KR
- Name
- Korea Telecom
- Type
- Internet provider
- Registered
- Apr 22, 1996
- Domain
- kt.com
- Website
- www.kt.com/eng/main.jsp
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
- VPN servers
- 1
Routing timeline
Who has announced 210.121.128.0/17
210.121.128.0/17
Routing history
- Pattern
- Stable
- First seen
- May 2005
- Current origin since
- May 2005 · 22 yr
- Origin networks
- 1
IRR
Route objects on 210.121.128.0/17
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS4766 | RADB | KORnet operation Center | MAINT-AS4766 | Nov 13, 2023 |
Whois
Registration for this announcement
- Range
- 210.
121. 128. 0/ 17 - Netname
- KORNET-KR
- Registrant
- Korea Telecom
- Registrant country
- KR
- Organization
- Korea Telecom
- Org country
- KR
- Type
- ALLOCATED PORTABLE
- Created
- Not stated by the registry
- Maintainer
- MNT-KRNIC-AP
- RIR
- APNIC
- Country
- KR
- Delegated
- Nov 26, 1996
- Status
- assigned
Report abuse
Abuse contact
- irt@
nic. or. kr - Name
- IRT-KRNIC-KR
- Handle
- IRT-KRNIC-KR