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Data as of Nov 14, 2026

89.190.40.0/23

No anonymizer space · no proxy exits in 30 days

O2 Czech Republic, a.s.

Announcement
89.190.40.0/21
RPKI valid
Announced by
AS12570
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
89.190.40.0 - 89.190.63.2556,144CZ-CZNET-20030327O2 Czech Republic, a.s. (ORG-STAN1-RIPE) · CZALLOCATED PAMay 29, 2018abuse@o2.cz
└ 89.190.40.0/23512VELBNET-CZVELBNET, s.r.o.ASSIGNED PASep 18, 2007abuse@o2.cz
via CZ-CZNET-20030327

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 89.190.40.0/21

89.190.40.0/21

Routing history

Pattern
Stable
First seen
May 2018
Current origin since
May 2018 · 8.5 yr
Origin networks
1