Data as of Nov 7, 2026
121.133.209.0/24
3 residential-proxy exits · 30 daysGyeonggi-Do Icheon office of Education · space held by Korea Telecom
Residential-proxy exits
Proxy exits
3
1.2% of its addresses · 30 days
Providers
5
selling exits here
Oct 8, 2026 – Nov 6, 2026
Exits seen per day
333 observations
Proxy providers listing exits
- FastProxy
- LemonBright
- ProxyRack
- RainProxy
- Shifter
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 121.128.0.0/13 since Dec 2009 | AS4766 | Residential | 3,454 168 always on | Korea Telecom | |
| 121.128.0.0/12 since Sep 2009 | AS4766 | Residential | 6,985 339 always on | Korea Telecom | |
| 121.128.0.0/11 since Apr 2006 | AS4766 | Residential | 13,693 626 always on | Korea Telecom |
Network & registry
Origin network
AS38412
KR
- Name
- Gyeonggi-Do Icheon office of Education
- Type
- Education
- Registered
- Jan 30, 2007
- Domain
- korea.kr
- Industry
- Colleges, Universities, and Professional Schools
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- Nov 2016
- Current origin since
- Nov 2016 · 10.0 yr
- Origin networks
- 1
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS38412 | RADB | AS38412 | MAINT-AS9318 | Nov 13, 2023 |
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
- irt@
nic. or. kr - Name
- IRT-KRNIC-KR
- Handle
- IRT-KRNIC-KR