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Data as of Nov 5, 2026

109.239.70.0/24

No anonymizer space · no proxy exits in 30 days

O2 Czech Republic, a.s.

Announcement
109.239.64.0/20
RPKI valid
Announced by
AS29321
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
109.239.64.0/204,096CZ-CZNET-20100203O2 Czech Republic, a.s. (ORG-STAN1-RIPE) · CZALLOCATED PAFeb 3, 2010abuse@o2.cz
└ 109.239.70.0/24256CENTRONET-TriplePlayCentronet, a.s.ASSIGNED PAJun 1, 2010abuse@o2.cz
via CZ-CZNET-20100203

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 109.239.64.0/20

Prefix
109.239.64.0/20
Announced by
AS29321 O2 Czech Republic, a.s.
Type
Residential
Proxy exits
4
Always-on exits
1
RPKI
RPKI valid
Netname
CZ-CZNET-20100203
Registrant
O2 Czech Republic, a.s.
RIR
RIPE NCC
Origin network

AS29321

CZ
Name
O2 Czech Republic, a.s.
Type
Internet provider
Registered
Jul 31, 2003
Domain
o2.cz
Website
www.centronet.cz/
Industry
Internet Service Provider (ISP)
Spamhaus ASN-DROP
not listed