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.
2023-12-01ARINTransfer logMerger/acquisition or reorganizationConfirmed
Transfer log
Merger/acquisition: Chicago Board Options Exchange (ARIN) to Cboe (ARIN)
From
Chicago Board Options Exchange ARIN
To
Cboe ARIN
Inventory
No effect on ARIN applicant inventory
ARIN's transfer log records a merger, acquisition or reorganization from Chicago Board Options Exchange (ARIN) to Cboe (ARIN) on 2023-12-01 16:02 UTC. The registration changed hands; it is not a new allocation from ARIN. ARIN-Issued and ARIN's statistics don't show this change; only the transfer log records it.
Evidence (3) · classifier 1.4.0,
Transfer logTransfer log: MERGER_ACQUISITION on 2023-12-01 16:02 UTC, Chicago Board Options Exchange (ARIN) to Cboe (ARIN); resources moved: AS46791source · retrieved
BeforeARIN delegated statistics 2023-11-30 (produced 2023-11-30T14:00:34+00:00), before the report: assigned (dated 2009-03-18)source · retrieved
AfterARIN delegated statistics 2023-12-02 (produced 2023-12-02T14:00:34+00:00), after the report: assigned (dated 2009-03-18)source · retrieved
2017-10-04ARINTransfer logMerger/acquisition or reorganizationConfirmed
Transfer log
Merger/acquisition: Livevol, Inc. (ARIN) to Chicago Board Options Exchange (ARIN)
From
Livevol, Inc. ARIN
To
Chicago Board Options Exchange ARIN
Inventory
No effect on ARIN applicant inventory
ARIN's transfer log records a merger, acquisition or reorganization from Livevol, Inc. (ARIN) to Chicago Board Options Exchange (ARIN) on 2017-10-04 17:10 UTC. The registration changed hands; it is not a new allocation from ARIN. ARIN-Issued and ARIN's statistics don't show this change; only the transfer log records it.
Evidence (3) · classifier 1.4.0,
Transfer logTransfer log: MERGER_ACQUISITION on 2017-10-04 17:10 UTC, Livevol, Inc. (ARIN) to Chicago Board Options Exchange (ARIN); resources moved: AS46791source · retrieved
BeforeARIN delegated statistics 2017-10-03 (produced 2017-10-03T05:10:50+00:00), before the report: assigned (dated 2009-03-18)source · retrieved
AfterARIN delegated statistics 2017-10-05 (produced 2017-10-05T05:10:41+00:00), after the report: assigned (dated 2009-03-18)source · retrieved
Transfer records (2)
Date (UTC)
Log
Type
Range moved
From
To
ARIN
Merger acquisition
AS46791
Chicago Board Options Exchange ARIN
Cboe ARIN
ARIN
Merger acquisition
AS46791
Livevol, Inc. ARIN
Chicago Board Options Exchange ARIN
Every record in the ARIN, RIPE NCC, APNIC, LACNIC and AFRINIC transfer logs that moved any part of this ASN (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.