LAYER3 INTEL
Get started
Sign in
Data as of Nov 8, 2026

185.66.188.0/23

No anonymizer space · no proxy exits in 30 days

Seznam.cz, a.s.

Announcement
185.66.188.0/22
RPKI valid
Announced by
AS43037
Type
Hosting
Risk
50 / 100 · Medium

Registrations in this block

The registry's network records over this block, widest first, each under its parent.

RangeAddressesNetnameHolderTypeCreatedAbuse contact
185.66.188.0/221,024CZ-SEZNAM-20140808Seznam.cz, a.s. (ORG-SA508-RIPE) · CZALLOCATED PAAug 8, 2014abuse@seznam.cz
└ 185.66.188.0/23512SEZNAM-CZunknownASSIGNED PAAug 17, 2016abuse@seznam.cz
via CZ-SEZNAM-20140808

A contact marked “via” is the registry's: the record names none of its own, so the registry hands down its parent's.

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
Announced by

Covering announcement 185.66.188.0/22

Prefix
185.66.188.0/22
Announced by
AS43037 Seznam.cz, a.s.
Type
Business
RPKI
RPKI valid
Netname
CZ-SEZNAM-20140808
Registrant
Seznam.cz, a.s.
RIR
RIPE NCC
Origin network

AS43037

CZ
Name
Seznam.cz, a.s.
Type
Business
Registered
May 29, 2007
Domain
seznam.cz
Website
www.seznam.cz
Industry
Hosting and Cloud Provider
Spamhaus ASN-DROP
not listed