Data as of Nov 11, 2026

91.187.48.0/22

No anonymizer space · no proxy exits in 30 days

O2 Czech Republic, a.s.

Announcement
RPKI valid
Announced by
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
91.187.32.0/198,192CZ-CZNET-20061116O2 Czech Republic, a.s. (ORG-STAN1-RIPE) · CZALLOCATED PAApr 1, 2025abuse@o2.cz
└ 91.187.48.0/221,024CZ-NORDICTELECOMREGIONAL-20061116unknownASSIGNED PAAug 31, 2010abuse@o2.cz
via CZ-CZNET-20061116

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

Routing timeline

Who has announced 91.187.32.0/19

91.187.32.0/19

Routing history

Pattern
Rotating
First seen
Dec 2006
Current origin since
Feb 2025 · 1.8 yr
Origin networks
3
Last change of origin
Feb 2025
Recorded history

History

Handoffs
2