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Data as of Nov 7, 2026

89.190.56.0/24

No anonymizer space · no proxy exits in 30 days

O2 Czech Republic, a.s.

Announcement
89.190.48.0/20
RPKI valid
Announced by
AS12570
Type
Residential
Risk
0 / 100 · Low

Registrations in this block

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

RangeAddressesNetnameHolderTypeCreatedAbuse contact
89.190.40.0 - 89.190.63.2556,144CZ-CZNET-20030327O2 Czech Republic, a.s. (ORG-STAN1-RIPE) · CZALLOCATED PAMay 29, 2018abuse@o2.cz
└ 89.190.56.0/24256PRIBYSLAV-CZMesto Pribyslav (Tecl)ASSIGNED PAOct 24, 2012abuse@o2.cz
via CZ-CZNET-20030327

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 89.190.48.0/20

Prefix
89.190.48.0/20
Announced by
AS12570 O2 Czech Republic, a.s.
Type
Residential
Proxy exits
10
Always-on exits
2
RPKI
RPKI valid
Netname
CZ-CZNET-20030327
Registrant
O2 Czech Republic, a.s.
RIR
RIPE NCC
Origin network

AS12570

CZ
Name
O2 Czech Republic, a.s.
Type
Internet provider
Registered
Jul 28, 1999
Domain
o2.cz
Website
www.itself.cz/
Industry
Internet Service Provider (ISP)
Spamhaus ASN-DROP
not listed