Data as of Nov 7, 2026

88.83.160.0/19

1 residential-proxy exit · 30 days

O2 Czech Republic, a.s.

Announcement
this exact prefix
RPKI valid
Announced by
Type
Residential
94% of it

Residential-proxy exits

Proxy exits
1
0.01% of its addresses · 30 days
Spread
1 of 32
/24s with at least one exit
Providers
1
selling exits here
Oct 8, 2026 – Nov 6, 2026

Exits seen per day

10 observations

Proxy providers listing exits

  • Thordata

Announcements

More specific

Announcements inside

PrefixOriginTypeProxy exitsHolderRPKI
88.83.175.0/24
since Jun 2016
AS5610Residential1O2 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
88.83.160.0/198,192CZ-CZNET-20060109O2 Czech Republic, a.s. (ORG-STAN1-RIPE) · CZALLOCATED PANov 14, 2017abuse@o2.cz
└ 88.83.160.0/24256CZ-TERMSNETTERMSnet - Core network & Backbone P2P linesASSIGNED PAFeb 2, 2006abuse@o2.cz
via CZ-CZNET-20060109
└ 88.83.161.0/298CZ-STINGSTING CZ s.r.o.ASSIGNED PANov 26, 2012abuse@o2.cz
via CZ-CZNET-20060109
└ 88.83.161.16/298CZ-GENTLEYGENTLEY a.s.ASSIGNED PANov 29, 2012abuse@o2.cz
via CZ-CZNET-20060109
└ 88.83.161.40/298CZ-TACONOVATaconova Production, s.r.o.ASSIGNED PAJan 21, 2013abuse@o2.cz
via CZ-CZNET-20060109
└ 88.83.161.56/298CZ-TERMSTERMS a.s.ASSIGNED PAJan 18, 2013abuse@o2.cz
via CZ-CZNET-20060109
└ 88.83.161.64/2816CZ-TERMSTERMS a.s.ASSIGNED PAJan 18, 2013abuse@o2.cz
via CZ-CZNET-20060109
└ 88.83.161.80/298CZ-TERMSTERMS a.s.ASSIGNED PAOct 23, 2013abuse@o2.cz
via CZ-CZNET-20060109
└ 88.83.161.192/2664CZ-HOLUBOVNETVaclav KUDLACEK - Holubov-NETASSIGNED PANov 8, 2007abuse@o2.cz
via CZ-CZNET-20060109
└ 88.83.163.0/24256CZ-KNIZEKJiri Knizek - PC SERVIS PCKBASSIGNED PAJun 25, 2007abuse@o2.cz
via CZ-CZNET-20060109
└ 88.83.165.0/24256CZ-MMCOMPNETMM - personal computer s.r.o.ASSIGNED PAMar 10, 2011abuse@o2.cz
via CZ-CZNET-20060109
└ 88.83.166.0/25128CZ-KOVAROVNETKOVAROVNETASSIGNED PASep 26, 2007abuse@o2.cz
via CZ-CZNET-20060109
└ 88.83.166.128/25128CZ-VAJNERPetr Vajner - IndigoNetCzASSIGNED PAMar 15, 2007abuse@o2.cz
via CZ-CZNET-20060109
└ 88.83.167.0/24256CZ-TERMSNETTERMSnet - O2-DSL customer static IP pool (2nd part)ASSIGNED PAJan 21, 2013abuse@o2.cz
via CZ-CZNET-20060109
└ 88.83.168.0/24256CZ-MIRANETHodinova Petra - MiraNETASSIGNED PASep 22, 2009abuse@o2.cz
via CZ-CZNET-20060109
└ 88.83.169.0/24256CSERVIS-CZC servis - FILIP RichardASSIGNED PAMay 16, 2006abuse@o2.cz
via CZ-CZNET-20060109
└ 88.83.170.0/24256CZ-SAMNETSamNet - Ing. Martin SamecASSIGNED PAApr 24, 2006abuse@o2.cz
via CZ-CZNET-20060109
└ 88.83.171.0/24256CZ-BELLCOMBellcom TelecomunicationASSIGNED PAApr 19, 2006abuse@o2.cz
via CZ-CZNET-20060109
└ 88.83.172.0/24256CZ-TERMSNETAccess subnet for SOHO customersASSIGNED PAApr 9, 2014abuse@o2.cz
via CZ-CZNET-20060109
└ 88.83.173.0/24256CZ-KNIZEKJiri Knizek - PC SERVIS PCKBASSIGNED PAApr 5, 2006abuse@o2.cz
via CZ-CZNET-20060109
└ 88.83.174.0/24256CZ-PCPOINTPC Point David KorcakASSIGNED PADec 5, 2006abuse@o2.cz
via CZ-CZNET-20060109
└ 88.83.175.64/2664ELSATNET-CZElsat spol. s r.o.ASSIGNED PAAug 4, 2006abuse@o2.cz
via CZ-CZNET-20060109
└ 88.83.175.128/2732CZ-STRAZNYNETOS Strazny.NETASSIGNED PAAug 4, 2006abuse@o2.cz
via CZ-CZNET-20060109
└ 88.83.175.160/2732CZ-TSTTeplarna Strakonice a.s.ASSIGNED PAApr 18, 2007abuse@o2.cz
via CZ-CZNET-20060109
└ 88.83.176.0/24256CZ-TERMSNETTERMSnet - 1st O2-DSL customer dynamic IP pool (3rd part)ASSIGNED PANov 2, 2009abuse@o2.cz
via CZ-CZNET-20060109
└ 88.83.177.0/24256CZ-TERMSNETTERMSnet - O2-DSL customer static IP poolASSIGNED PAFeb 2, 2006abuse@o2.cz
via CZ-CZNET-20060109
└ 88.83.178.0/24256CZ-TERMSNETTERMSnet - 1st O2-DSL customer dynamic IP pool (2nd part)ASSIGNED PAMar 4, 2009abuse@o2.cz
via CZ-CZNET-20060109
└ 88.83.179.0/24256CZ-TERMSNETTERMSnet - 1st O2-DSL customer dynamic IP pool (1st part)ASSIGNED PAMar 4, 2009abuse@o2.cz
via CZ-CZNET-20060109
└ 88.83.181.0/24256CZ-LOPATOSTRELECRuzicka Roman - Lopatostrelec.euASSIGNED PADec 19, 2008abuse@o2.cz
via CZ-CZNET-20060109
└ 88.83.182.0/24256CZ-MIRANETHodinova Petra - MiraNETASSIGNED PAOct 6, 2008abuse@o2.cz
via CZ-CZNET-20060109
└ 88.83.183.0/24256CAPNET7-CZCAP-NET s.r.o.ASSIGNED PAJun 23, 2008abuse@o2.cz
via CZ-CZNET-20060109
└ 88.83.184.0/24256CZ-TERMSNETTERMSnet - CTc-DSL infrastructureASSIGNED PAJun 1, 2006abuse@o2.cz
via CZ-CZNET-20060109
└ 88.83.185.0/24256CZ-TERMSNETTERMSnet - CTc-DSL backup infrastructureASSIGNED PAJun 1, 2006abuse@o2.cz
via CZ-CZNET-20060109
└ 88.83.186.0/24256CZ-TERMSNETTERMSnet - CTc-DSL PPP loopbacksASSIGNED PAJun 1, 2006abuse@o2.cz
via CZ-CZNET-20060109
└ 88.83.187.0/24256CZ-MILNETISSOFT - Martin POUZARASSIGNED PAMay 29, 2008abuse@o2.cz
via CZ-CZNET-20060109
└ 88.83.190.0/24256CZ-TERMSNETSubnet for SOHO customersASSIGNED PAApr 10, 2014abuse@o2.cz
via CZ-CZNET-20060109

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

8,192 addresses
TypeAddressesShareRanges
Residential7,68894%10
Business5046.2%12

Network & registry

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