Data as of Nov 9, 2026
211.255.123.0/24
No anonymizer space · no proxy exits in 30 daysKorea Telecom
Announcements
More specific
Announcements inside
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 211.255.123.0/25 | AS45400 | Residential | Korea Telecom | |
| 211.255.123.128/25 | AS45400 | Residential | Korea Telecom |
Network & registry
Origin network
AS45400
KR
- Name
- Korea Telecom
- Type
- Internet provider
- Registered
- Aug 19, 2008
- Domain
- kt.com
- Industry
- Computer and Information Technology
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced this prefix
Summary
Routing history
- Pattern
- Stable
- First seen
- Aug 2013
- Current origin since
- Aug 2013 · 13 yr
- Origin networks
- 1
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS45400 | RADB | AS45400 | MAINT-AS9318 | Nov 13, 2023 |
Whois
Registration for this announcement
- Range
- 211.
255. 64. 0/ 18 - 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
- Sep 8, 2000
- Status
- assigned
Report abuse
Abuse contact
- irt@
nic. or. kr - Name
- IRT-KRNIC-KR
- Handle
- IRT-KRNIC-KR