Data as of Nov 7, 2026

80.188.40.128/29

No anonymizer space · no proxy exits in 30 days

O2 Czech Republic, a.s.

Announcement
RPKI valid
Announced by
Type
Business
Risk
0 / 100 · Low

Announcements

Less specific

Covering announcements

PrefixOriginTypeProxy exitsHolderRPKI
80.188.0.0/17
since May 2005
AS5610Residential86
4 always on
O2 Czech Republic, a.s.
80.188.0.0/16
since May 2005
AS5610Residential147
6 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
80.188.0.0/1665,536CZ-CZNET-20020613O2 Czech Republic, a.s. (ORG-STAN1-RIPE) · CZALLOCATED PAJun 13, 2002abuse@o2.cz
└ 80.188.40.128/298FUJIKOKICZECHSROLounyASSIGNED PAAug 13, 2003abuse@o2.cz
via CZ-CZNET-20020613

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

Announced by

Covering announcement 80.188.40.0/24

Prefix
80.188.40.0/24
Announced by
AS5610 O2 Czech Republic, a.s.
Type
Residential
RPKI
RPKI valid
Netname
CZ-CZNET-20020613
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