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Data as of Nov 3, 2026

178.17.80.0/20

2 residential-proxy exits · 30 days

O2 Czech Republic, a.s.

Announcement
this exact prefix
RPKI valid
Announced by
AS42908
Type
Residential
Risk
0 / 100 · Low

Residential-proxy exits

Proxy exits
2
0.05% of its addresses · 30 days
Spread
2 of 16
/24s with at least one exit
Providers
16
selling exits here
Oct 4, 2026 – Nov 2, 2026

Exits seen per day

91 observations

/24s with the most always-on exits

/24Always-on exitsProxy exits
178.17.89.0/2401
178.17.92.0/2401

Proxy providers listing exits

  • BirdProxies
  • Byteful
  • EnigmaProxy
  • GSocks
  • Geonix
  • Infatica
  • MangoProxy
  • NodeProxy
  • NovaProxy
  • Proxiware
  • Proxy-Seller
  • ProxyEmpire
  • Shifter
  • Thordata
  • VantageProxies
  • VitalExclusive

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
178.17.80.0 - 178.17.111.2558,192CZ-CZNET-20100318O2 Czech Republic, a.s. (ORG-STAN1-RIPE) · CZALLOCATED PAApr 1, 2025[email protected]
└ 178.17.80.0 - 178.17.82.255768CZ-NORDICTELECOMREGIONAL-20100318unknownASSIGNED PAMar 18, 2010[email protected]
via CZ-CZNET-20100318
└ 178.17.83.0/24256CZ-NORDICTELECOMREGIONAL-20100318unknownASSIGNED PAApr 7, 2010[email protected]
via CZ-CZNET-20100318
└ 178.17.84.0/25128CZ-NORDICTELECOMREGIONAL-20100318unknownASSIGNED PAApr 7, 2010[email protected]
via CZ-CZNET-20100318
└ 178.17.84.128/25128CZ-NORDICTELECOMREGIONAL-20100318unknownASSIGNED PAApr 7, 2010[email protected]
via CZ-CZNET-20100318
└ 178.17.86.0/24256CZ-NORDICTELECOMREGIONAL-20100318unknownASSIGNED PAApr 7, 2010[email protected]
via CZ-CZNET-20100318
└ 178.17.87.0/24256CZ-NORDICTELECOMREGIONAL-20100318unknownASSIGNED PAApr 7, 2010[email protected]
via CZ-CZNET-20100318
└ 178.17.88.0/25128CZ-NORDICTELECOMREGIONAL-20100318unknownASSIGNED PAApr 7, 2010[email protected]
via CZ-CZNET-20100318
└ 178.17.89.0/25128CZ-NORDICTELECOMREGIONAL-20100318unknownASSIGNED PAApr 7, 2010[email protected]
via CZ-CZNET-20100318
└ 178.17.89.128/25128CZ-NORDICTELECOMREGIONAL-20100318unknownASSIGNED PAApr 7, 2010[email protected]
via CZ-CZNET-20100318
└ 178.17.90.0/24256CZ-NORDICTELECOMREGIONAL-20100318unknownASSIGNED PAApr 7, 2010[email protected]
via CZ-CZNET-20100318
└ 178.17.91.0/25128CZ-NORDICTELECOMREGIONAL-20100318unknownASSIGNED PAApr 7, 2010[email protected]
via CZ-CZNET-20100318
└ 178.17.91.128/25128CZ-NORDICTELECOMREGIONAL-20100318unknownASSIGNED PAApr 7, 2010[email protected]
via CZ-CZNET-20100318
└ 178.17.92.0/2664CZ-NORDICTELECOMREGIONAL-20100318Optinet, s.r.o.ASSIGNED PAApr 7, 2010[email protected]
via CZ-CZNET-20100318
└ 178.17.92.64/2664CZ-NORDICTELECOMREGIONAL-20100318unknownASSIGNED PAApr 7, 2010[email protected]
via CZ-CZNET-20100318
└ 178.17.92.128/2664CZ-NORDICTELECOMREGIONAL-20100318unknownASSIGNED PAApr 7, 2010[email protected]
via CZ-CZNET-20100318
└ 178.17.92.192/2664CZ-NORDICTELECOMREGIONAL-20100318unknownASSIGNED PAApr 7, 2010[email protected]
via CZ-CZNET-20100318
└ 178.17.93.0/24256CZ-NORDICTELECOMREGIONAL-20100318unknownASSIGNED PAApr 7, 2010[email protected]
via CZ-CZNET-20100318
└ 178.17.94.0/23512CZ-NORDICTELECOMREGIONAL-20100318unknownASSIGNED PAApr 7, 2010[email protected]
via CZ-CZNET-20100318

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
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