Data as of Nov 5, 2026

165.133.0.0/18

No anonymizer space · no proxy exits in 30 days

Korea Telecom · space held by Mercury Corporation

Announcement
this exact prefix
No RPKI
Announced by
Type
Residential
95% of it

Announcements

More specific

Announcements inside

PrefixOriginTypeHolderRPKI
165.133.38.0/24
since May 2005
AS4961BusinessMercury Corporation
165.133.39.0/24
since May 2005
AS4961BusinessMercury Corporation
165.133.40.0/24
since May 2005
AS4961BusinessMercury Corporation

Composition

The types across the prefix's announced space, by addresses.

Announced space

Address share

Announced space

Types across the prefix

16,384 addresses
TypeAddressesShareRanges
Residential15,61695%2
Business7684.7%3

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