Data as of Nov 8, 2026
121.133.203.0/24
5 residential-proxy exits · 30 daysGyeonggi-do Yeoju Office of Education · space held by Korea Telecom
Residential-proxy exits
Proxy exits
5
2.0% of its addresses · 30 days
Providers
9
selling exits here
Oct 9, 2026 – Nov 7, 2026
Exits seen per day
222 observations
Proxy providers listing exits
- EnigmaProxy
- FastProxy
- Geonix
- NovaProxy
- ProxyEmpire
- RainProxy
- Shifter
- Thordata
- VantageProxies
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 121.128.0.0/13 since Dec 2009 | AS4766 | Residential | 3,511 172 always on | Korea Telecom | |
| 121.128.0.0/12 since Sep 2009 | AS4766 | Residential | 7,103 342 always on | Korea Telecom | |
| 121.128.0.0/11 since Apr 2006 | AS4766 | Residential | 14,006 626 always on | Korea Telecom |
Network & registry
Origin network
AS38399
KR
- Name
- Gyeonggi-do Yeoju Office of Education
- Type
- Education
- Registered
- Jan 30, 2007
- 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 yr
- Origin networks
- 1
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS38399 | RADB | AS38399 | 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