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Data as of Nov 7, 2026

80.188.40.0/24

No anonymizer space · no proxy exits in 30 days

O2 Czech Republic, a.s.

Announcement
this exact prefix
RPKI valid
Announced by
AS5610
Type
Business
69% of it

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 the announcement: those covering it, widest first, then every record inside it, 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
└ 80.188.40.0/298MWARDMANUFACTURINGSROKorozluky 1ASSIGNED PAFeb 14, 2003abuse@o2.cz
via CZ-CZNET-20020613
└ 80.188.40.8/298TRAVELFREEHrensko 153ASSIGNED PAAug 2, 2004abuse@o2.cz
via CZ-CZNET-20020613
└ 80.188.40.16/298PETRSPEJCHALINFOLEASINGRumburskych Hrdinu 748ASSIGNED PAFeb 14, 2003abuse@o2.cz
via CZ-CZNET-20020613
└ 80.188.40.24/298PROKONRBSLOUNYVOSRybalkova 1400ASSIGNED PAFeb 14, 2003abuse@o2.cz
via CZ-CZNET-20020613
└ 80.188.40.32/298OKRESNIURADDECIN28 Rijna 11552ASSIGNED PAFeb 14, 2003abuse@o2.cz
via CZ-CZNET-20020613
└ 80.188.40.40/298CITIBANKASKrupska 3320ASSIGNED PAFeb 14, 2003abuse@o2.cz
via CZ-CZNET-20020613
└ 80.188.40.48/298SCHRAGCZSROLibusina 4778ASSIGNED PAFeb 14, 2003abuse@o2.cz
via CZ-CZNET-20020613
└ 80.188.40.56/298SCHAFERASYKORASROCihlarska 10002ASSIGNED PAFeb 14, 2003abuse@o2.cz
via CZ-CZNET-20020613
└ 80.188.40.64/298INTERNATIONALMETALPLASTSPOLRychnovska 326ASSIGNED PAFeb 14, 2003abuse@o2.cz
via CZ-CZNET-20020613
└ 80.188.40.72/298METROSTAVLibouchecASSIGNED PAJan 17, 2005abuse@o2.cz
via CZ-CZNET-20020613
└ 80.188.40.80/298LYBARDuchcovska 286ASSIGNED PAJun 9, 2005abuse@o2.cz
via CZ-CZNET-20020613
└ 80.188.40.88/298WIENERBERGEREUROBETONRetenicka 133 ID ROP1581836ASSIGNED PAFeb 14, 2003abuse@o2.cz
via CZ-CZNET-20020613
└ 80.188.40.96/298FOGGINIKEYBOHEMIASROKrkonosska 179ASSIGNED PAFeb 17, 2003abuse@o2.cz
via CZ-CZNET-20020613
└ 80.188.40.104/298SKANHOLZJIRKOVSROChomutovska 420ASSIGNED PAFeb 14, 2003abuse@o2.cz
via CZ-CZNET-20020613
└ 80.188.40.112/298SILNICEZATECSROLounska 2402ASSIGNED PAFeb 17, 2003abuse@o2.cz
via CZ-CZNET-20020613
└ 80.188.40.120/298JAKUBVOSNovy Bor - Ceska Lipa 47301ASSIGNED PAAug 12, 2003abuse@o2.cz
via CZ-CZNET-20020613
└ 80.188.40.128/298FUJIKOKICZECHSROLounyASSIGNED PAAug 13, 2003abuse@o2.cz
via CZ-CZNET-20020613
└ 80.188.40.144/298HUDYSPORTJINDRICHHUDECEKBynovecASSIGNED PAAug 13, 2003abuse@o2.cz
via CZ-CZNET-20020613
└ 80.188.40.160/298NEMOCNICELITOMERICEZitenicka 1365/18ASSIGNED PAApr 26, 2005abuse@o2.cz
via CZ-CZNET-20020613
└ 80.188.40.192/298ZDENEKKUCHARKKNETLitvinov 43542ASSIGNED PAAug 13, 2003abuse@o2.cz
via CZ-CZNET-20020613
└ 80.188.40.216/298LIPSPOLSROChrastava 463 11ASSIGNED PAAug 13, 2003abuse@o2.cz
via CZ-CZNET-20020613
└ 80.188.40.224/298TEPLARNALIBERECLiberecASSIGNED PAOct 20, 2005abuse@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.

Composition

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

Announced space

Address share

Announced space

Types across the prefix

256 addresses
TypeAddressesShareRanges
Business17669%22
Residential8031%5

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
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