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Data as of Nov 7, 2026

141.223.28.0/24

1 anonymizer address · 0.39% · VPN3 residential-proxy exits · 30 days

Pohang University of Science and Technology

Announcement
141.223.0.0/18
No RPKI
Announced by
AS3784
Type
Business
>99% of it

Residential-proxy exits

Proxy exits
3
1.2% of its addresses · 30 days
Providers
3
selling exits here
Oct 8, 2026 – Nov 6, 2026

Exits seen per day

3 observations

Proxy providers listing exits

  • EnigmaProxy
  • NovaProxy
  • ProxyEmpire
IPv4 market

Path

1 · Holder
Pohang University of Science and Technology
2 · Leased from
not leased
3 · Announced by
AS3784 Pohang University of Science and Technology
since May 2005 · 21.5 yr ago
4 · Use
VPN servicesnamed VPN Gate
Business

Operators, sellers and brokers

VPN services

NameParentIn 141.223.28.0/24/24s
VPN GateUniversity 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
TypeAddressesShareRanges
Business255>99%2
VPNanonymizer10.39%1

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
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
1
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