LAYER3 INTEL
Get started
Sign in
Data as of Nov 9, 2026

217.197.151.128/29

No anonymizer space · no proxy exits in 30 days

O2 Czech Republic, a.s.

Announcement
217.197.144.0/20
RPKI valid
Announced by
AS42908
Type
Business
Risk
0 / 100 · Low

Residential-proxy exits

Proxy exits
1
13% of its addresses · listed by providers
Providers
3
selling exits here

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
└ 217.197.151.128/298SLAMENIK-NETunknownASSIGNED PAOct 22, 2010abuse@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.

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