rirtracker

IPv4 range · 2,048 addresses

176.222.224.0/21

Now

RIPE NCC statistics
Allocated (dated 2011-12-01) on 2026-10-09 (CZ)
Registry
RIPE NCC
Holder
O2 Czech Republic, a.s.
From
RIPE NCC's statistics for 2026-10-09 and the latest transfer record

Latest change

Transfer log Intra-RIPE NCC transfer

Reported
2026-02-19 (RIPE NCC)
Confidence
Confirmed
Inventory
No effect on RIPE NCC applicant inventory

Timeline since 2026-01-01 (1)

2026-02-19 RIPE NCC Transfer log Intra-RIPE NCC transfer Confirmed
Transfer log
Transfer: CAH Building s.r.o. (RIPE NCC) to O2 Czech Republic, a.s. (RIPE NCC)
From
CAH Building s.r.o. RIPE NCC
To
O2 Czech Republic, a.s. RIPE NCC
Inventory
No effect on RIPE NCC applicant inventory

RIPE NCC's transfer log records a transfer from CAH Building s.r.o. (RIPE NCC) to O2 Czech Republic, a.s. (RIPE NCC) on 2026-02-19 19:00 UTC. The registration changed hands; it is not a new allocation from RIPE NCC.

Evidence (3) · classifier 1.1.0,
  1. Transfer log Transfer log: RESOURCE_TRANSFER on 2026-02-19 19:00 UTC, CAH Building s.r.o. (RIPE NCC) to O2 Czech Republic, a.s. (RIPE NCC); resources moved: 176.222.224.0/21 source · retrieved
  2. Before RIPE NCC delegated statistics 2026-02-18 (produced 2026-02-18T22:59:59+00:00), before the change: allocated (dated 2011-12-01) source · retrieved
  3. After RIPE NCC delegated statistics 2026-02-19 (produced 2026-02-19T22:59:59+00:00), after the change: allocated (dated 2011-12-01) source · retrieved

Transfer records (2)

Date (UTC)LogTypeRange movedFromTo
RIPE NCCResource transfer176.222.224.0/21 CAH Building s.r.o. RIPE NCCO2 Czech Republic, a.s. RIPE NCC
RIPE NCCMerger acquisition176.222.224.0/21 SAT - AN CableNet SE RIPE NCCCable-NET s.r.o. RIPE NCC

Every record in the ARIN and RIPE NCC transfer logs that moved any part of this IPv4 range (ARIN's go back to 2009, the RIPE NCC's to 2012). A transfer between two registries is in both logs.

RDAP lookups

Not looked up. The tracker queries RDAP for changes as they're reported (on first sight, after 24 hours and after seven days); older changes aren't looked up because today's RDAP says nothing about the past.

This page as data: ip/176.222.224.0-176.222.231.255.json