Every change the tracker has found, newest first. It covers ARIN from 2008-12-01, the RIPE NCC from 2010-04-23, APNIC from 2008-02-15, LACNIC from 2012-06-29 and AFRINIC from 2012-10-03.
2025-05-28RIPE NCCTransfer logMerger/acquisition or reorganizationConfirmed
Transfer log
Merger/acquisition: One Operateur SAS (RIPE NCC) to Koesio Nord Ouest SAS (RIPE NCC)
From
One Operateur SAS RIPE NCC
To
Koesio Nord Ouest SAS RIPE NCC
Inventory
No effect on RIPE NCC applicant inventory
The RIPE NCC's transfer log records a merger, acquisition or reorganization from One Operateur SAS (RIPE NCC) to Koesio Nord Ouest SAS (RIPE NCC) on 2025-05-28 19:00 UTC. The registration changed hands; it is not a new allocation from the RIPE NCC.
Evidence (3) · classifier 1.4.0,
Transfer logTransfer log: MERGER_ACQUISITION on 2025-05-28 19:00 UTC, One Operateur SAS (RIPE NCC) to Koesio Nord Ouest SAS (RIPE NCC); resources moved: 185.23.138.0/23source · retrieved
BeforeRIPE NCC delegated statistics 2025-05-27 (produced 2025-05-27T21:59:59+00:00), before the change: allocated (dated 2013-04-10)source · retrieved
AfterRIPE NCC delegated statistics 2025-05-28 (produced 2025-05-28T21:59:59+00:00), after the change: allocated (dated 2013-04-10)source · retrieved
Classification history for this change (4 versions)
: Merger/acquisition or reorganization, confirmed (classifier 1.3.0)
: Merger/acquisition or reorganization, confirmed (classifier 1.3.1)
: Merger/acquisition or reorganization, confirmed (classifier 1.3.2)
: Merger/acquisition or reorganization, confirmed (classifier 1.4.0) current
Transfer: AMPLEMENT SAS (RIPE NCC) to One Operateur SAS (RIPE NCC)
From
AMPLEMENT SAS RIPE NCC
To
One Operateur SAS RIPE NCC
Piece of
185.23.136.0/22: the rest of the block stayed with the seller
Inventory
No effect on RIPE NCC applicant inventory
The RIPE NCC's transfer log records a transfer from AMPLEMENT SAS (RIPE NCC) to One Operateur SAS (RIPE NCC) on 2021-05-04 19:00 UTC. The registration changed hands; it is not a new allocation from the RIPE NCC.
Evidence (3) · classifier 1.4.0,
Transfer logTransfer log: RESOURCE_TRANSFER on 2021-05-04 19:00 UTC, AMPLEMENT SAS (RIPE NCC) to One Operateur SAS (RIPE NCC); resources moved: 185.23.138.0/23source · retrieved
BeforeRIPE NCC delegated statistics 2021-05-03 (produced 2021-05-03T21:59:00+00:00), before the change: allocated (dated 2013-04-10)source · retrieved
AfterRIPE NCC delegated statistics 2021-05-04 (produced 2021-05-04T21:59:00+00:00), after the change: allocated (dated 2013-04-10)source · retrieved
Classification history for this change (4 versions)
Every record in the ARIN, RIPE NCC, APNIC, LACNIC and AFRINIC transfer logs that moved any part of this IPv4 range (ARIN's from 2009, the RIPE NCC's from 2012, APNIC's from 2010, LACNIC's from 2016, AFRINIC's from 2018). 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.