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Data as of Nov 10, 2026

178.17.97.0/24

No anonymizer space · no proxy exits in 30 days

O2 Czech Republic, a.s.

Announcement
178.17.96.0/20
RPKI valid
Announced by
AS16246
Type
Residential
Risk
0 / 100 · Low

Registrations in this block

The registry's network records over this block, widest first, each 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, 2025abuse@o2.cz
└ 178.17.97.0/24256NEJCZ_CATRunknownASSIGNED PAJan 12, 2021abuse@o2.cz
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
Routing timeline

Who has announced 178.17.96.0/20

178.17.96.0/20

Routing history

Pattern
Stable
First seen
Apr 2010
Current origin since
Aug 2020 · 6.2 yr
Origin networks
3
Last change of origin
Aug 2020
Recorded history

History

Handoffs
2