Data as of Nov 3, 2026
121.156.64.0/24
No anonymizer space · no proxy exits in 30 daysnetmarble · space held by Korea Telecom
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 121.152.0.0/13 since Dec 2009 | AS4766 | Residential | 2,939 152 always on | Korea Telecom | |
| 121.144.0.0/12 since Sep 2009 | AS4766 | Residential | 6,071 288 always on | Korea Telecom | |
| 121.128.0.0/11 since Apr 2006 | AS4766 | Residential | 12,556 606 always on | Korea Telecom |
Network & registry
Origin network
AS55593
KR
- Name
- netmarble
- Type
- Business
- Registered
- Jul 21, 2010
- Industry
- Software Development
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- First seen
- Before our records
- Origin networks
- 1
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS4040 not the origin | RADB | Netmarble | MAINT-AS4766 | Mar 31, 2025 |
Whois
Registration for this announcement
- Range
- 121.128.0.0/11
- 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
- Apr 7, 2006
- Status
- assigned
Report abuse
Abuse contact
- [email protected]
- Name
- IRT-KRNIC-KR
- Handle
- IRT-KRNIC-KR