Data as of Nov 7, 2026
203.249.0.0/19
11 residential-proxy exits · 30 daysKorea Telecom · space held by Korean Education Network
Residential-proxy exits
Proxy exits
11
0.13% of its addresses · 30 days
Always-on exits
1
9.1% of its exits
Spread
6 of 32
/24s with at least one exit
Providers
7
selling exits here
Oct 8, 2026 – Nov 6, 2026
Exits seen per day
2.7K observations
/24s with the most always-on exits
| /24 | Always-on exits | Proxy exits | |
|---|---|---|---|
| 203.249.30.0/24 | 1 | 1 | |
| 203.249.2.0/24 | 0 | 3 | |
| 203.249.8.0/24 | 0 | 2 | |
| 203.249.10.0/24 | 0 | 2 | |
| 203.249.24.0/24 | 0 | 2 | |
| 203.249.4.0/24 | 0 | 1 |
Proxy providers listing exits
- FastProxy
- LemonBright
- ProxyRack
- Proxying
- RainProxy
- Shifter
- Thordata
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | RPKI |
|---|---|---|---|---|
| 203.249.0.0/17 since May 2005 | AS4766 | Residential | 53 4 always on |
Nesting
More-specifics by size
Sized by addresses, colored by each announcement's type. Click a tile with children to zoom in, a leaf to open it.
More specific
Announcements inside
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 203.249.11.0/24 since Jan 2015 | AS4766 | Residential | Korean Education Network | |
| 203.249.11.0/25 | AS4766 | Residential | Korean Education Network | |
| 203.249.11.128/25 | AS4766 | Residential | Korean Education Network | |
| 203.249.12.0/24 since Jan 2015 | AS4766 | Residential | Korean Education Network | |
| 203.249.12.0/25 | AS4766 | Residential | Korean Education Network | |
| 203.249.12.128/25 | AS4766 | Residential | Korean Education Network | |
| 203.249.13.0/24 since Jan 2015 | AS4766 | Residential | Korean Education Network | |
| 203.249.13.0/25 | AS4766 | Residential | Korean Education Network | |
| 203.249.13.128/25 | AS4766 | Residential | Korean Education Network | |
| 203.249.14.0/24 since Jan 2015 | AS4766 | Residential | Korean Education Network | |
| 203.249.14.0/25 | AS4766 | Residential | Korean Education Network | |
| 203.249.14.128/25 | AS4766 | Residential | Korean Education Network | |
| 203.249.15.0/24 since Jan 2015 | AS4766 | Residential | Korean Education Network | |
| 203.249.15.0/25 | AS4766 | Residential | Korean Education Network | |
| 203.249.15.128/25 | AS4766 | Residential | Korean Education Network | |
| 203.249.16.0/24 since Jan 2015 | AS4766 | Residential | Korean Education Network | |
| 203.249.16.0/25 | AS4766 | Residential | Korean Education Network | |
| 203.249.16.128/25 | AS4766 | Residential | Korean Education Network |
Network & registry
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
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Rotating
- First seen
- May 2005
- Current origin since
- Jun 2025 · 1.4 yr
- Origin networks
- 2
- Last change of origin
- Jun 2025
Recorded history
History
- Handoffs
- 1
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS7621 not the origin | RADB | Kyonggi University | MAINT-AS4766 | Nov 13, 2023 |
Whois
Registration for this announcement
- Range
- 203.
249. 0. 0/ 18 - Netname
- KREN-KR
- Registrant
- Korean Education Network
- Registrant country
- KR
- Organization
- Korean Education Network
- Org country
- KR
- Type
- ALLOCATED PORTABLE
- Created
- Not stated by the registry
- Maintainer
- MNT-KRNIC-AP
- RIR
- APNIC
- Country
- KR
- Delegated
- Sep 29, 1996
- Status
- assigned
Report abuse
Abuse contact
- irt@
nic. or. kr - Name
- IRT-KRNIC-KR
- Handle
- IRT-KRNIC-KR