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Data as of Nov 9, 2026

217.197.151.0/24

1 residential-proxy exit · 30 days

O2 Czech Republic, a.s.

Announcement
217.197.144.0/20
RPKI valid
Announced by
AS42908
Type
Business
63% of it

Residential-proxy exits

Proxy exits
1
0.39% of its addresses · 30 days
Providers
3
selling exits here
Oct 10, 2026 – Nov 8, 2026

Exits seen per day

12 observations

Proxy providers listing exits

  • AnyIP
  • FastProxy
  • LemonBright

Registrations in this block

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

RangeAddressesNetnameHolderTypeCreatedAbuse contact
217.197.144.0/204,096CZ-CZNET-20041021O2 Czech Republic, a.s. (ORG-STAN1-RIPE) · CZALLOCATED PAApr 1, 2025abuse@o2.cz
└ 217.197.151.0/2664PLUSLINE-CZ-NETunknownASSIGNED PAOct 23, 2004abuse@o2.cz
via CZ-CZNET-20041021
└ 217.197.151.128/298SLAMENIK-NETunknownASSIGNED PAOct 22, 2010abuse@o2.cz
via CZ-CZNET-20041021
└ 217.197.151.168 - 217.197.151.25588PREROV-NETunknownASSIGNED PAJan 5, 2015abuse@o2.cz
via CZ-CZNET-20041021

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
Business16063%3
Residential9638%2

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
Announced by

Covering announcement 217.197.144.0/20

Prefix
217.197.144.0/20
Announced by
AS42908 O2 Czech Republic, a.s.
Type
Residential
Proxy exits
5
Always-on exits
1
RPKI
RPKI valid
Netname
CZ-CZNET-20041021
Registrant
O2 Czech Republic, a.s.
RIR
RIPE NCC
Origin network

AS42908

CZ
Name
O2 Czech Republic, a.s.
Type
Internet provider
Registered
May 9, 2007
Domain
nordictelecom.cz
Website
www.nordictelecom.cz/
Spamhaus ASN-DROP
not listed