Data as of Nov 14, 2026
141.223.28.0/24
1 anonymizer address · 0.39% · VPN4 residential-proxy exits · 30 daysPohang University of Science and Technology
Residential-proxy exits
Proxy exits
4
1.6% of its addresses · 30 days
Providers
4
selling exits here
Oct 15, 2026 – Nov 13, 2026
Exits seen per day
5 observations
Proxy providers listing exits
- EnigmaProxy
- NovaProxy
- ProxyEmpire
- VantageProxies
IPv4 market
Path
2 · Leased from
not leased
Operators, sellers and brokers
VPN services
| Name | Parent | In 141.223.28.0/24 | /24s |
|---|---|---|---|
| VPN Gate | University of Tsukuba | 10.39% | 1 |
Composition
The types across the prefix's announced space, by addresses.
Announced space
Address share
Announced space
Types across the prefix
256 addresses
| Type | Addresses | Share | Ranges | |
|---|---|---|---|---|
| Business | 255 | >99% | 2 | |
| VPNanonymizer | 1 | 0.39% | 1 |
Network & registry
Announced by
Covering announcement 141.223.0.0/18
- Prefix
- 141.223.0.0/18
- Announced by
- AS3784 Pohang University of Science and Technology
- Type
- Business
- Anonymizer addresses
- 1 addresses · <0.01%VPN
- Operator
- VPN servicesoperated by VPN Gate
- Proxy exits
- 28
- Always-on exits
- 2
- RPKI
- No RPKI
- Netname
- POSTECH-KR
- Registrant
- Pohang University of Science and Technology
- RIR
- APNIC
Origin network
AS3784
KR
- Name
- Pohang University of Science and Technology
- Type
- Education
- Registered
- Aug 1, 2002
- Domain
- postech.edu
- Industry
- Colleges, Universities, and Professional Schools
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced 141.223.0.0/18
141.223.0.0/18
Routing history
- Pattern
- Stable
- First seen
- May 2005
- Current origin since
- May 2005 · 22 yr
- Origin networks
- 1
IRR
Route objects on 141.223.0.0/18
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS3784 | RADB | POSTECH | MAINT-AS4766 | Nov 13, 2023 |
Whois
Registration for this announcement
- Range
- 141.
223. 0. 0/ 16 - Netname
- POSTECH-KR
- Registrant
- Pohang University of Science and Technology
- Registrant country
- KR
- Organization
- Pohang University of Science and Technology
- Org country
- KR
- Type
- ALLOCATED PORTABLE
- Created
- Not stated by the registry
- Maintainer
- MNT-KRNIC-AP
- RIR
- APNIC
- Country
- KR
- Delegated
- Aug 3, 1990
- Status
- assigned
Report abuse
Abuse contact
- irt@
nic. or. kr - Name
- IRT-KRNIC-KR
- Handle
- IRT-KRNIC-KR