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Data as of Nov 4, 2026

90.182.138.0/24

No anonymizer space · no proxy exits in 30 days

O2 Czech Republic, a.s.

Announcement
90.182.0.0/16
RPKI valid
Announced by
AS5610
Type
Residential
97% of it

Announcements

Less specific

Covering announcements

PrefixOriginTypeProxy exitsHolderRPKI
90.180.0.0/14
since Mar 2009
AS5610Residential1,150
84 always on
O2 Czech Republic, a.s.

Registrations in this block

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

RangeAddressesNetnameHolderTypeCreatedAbuse contact
90.176.32.0 - 90.183.255.255516,096CZ-CZNET-20061017O2 Czech Republic, a.s. (ORG-STAN1-RIPE) · CZALLOCATED PANov 4, 2015[email protected]
└ 90.182.138.80/298CZECHOSLOVAKOCEANSHIPPINGRicanska 1984/5ASSIGNED PAJan 15, 2014[email protected]
via CZ-CZNET-20061017

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

Composition

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

Announced space

Address share

Announced space

Types across the prefix

256 addresses
TypeAddressesShareRanges
Residential24897%2
Business83.1%1

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
Announced by

Covering announcement 90.182.0.0/16

Prefix
90.182.0.0/16
Announced by
AS5610 O2 Czech Republic, a.s.
Type
Residential
Proxy exits
102
Always-on exits
3
RPKI
RPKI valid
Netname
CZ-CZNET-20061017
Registrant
O2 Czech Republic, a.s.
RIR
RIPE NCC
Origin network

AS5610

CZ
Name
O2 Czech Republic, a.s.
Type
Internet provider
Registered
Apr 25, 1996
Domain
o2.cz
Website
www.o2.cz
Spamhaus ASN-DROP
not listed