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.
2012-12-20ARIN+ AddRange split/merge or reporting-format changeStrong inference
ARIN-Issued
Add 199.43.20.0-199.43.44.255
Inventory
No effect on ARIN applicant inventory
This range is part of a larger block from which a piece was transferred around 2012-12-20; the rest was re-registered to show the split. ARIN's statistics show it assigned (dated 1994-02-02) on 2012-12-19 and assigned (dated 2012-12-20) on 2012-12-21. (Until 2013-03-05, ARIN's statistics list only what's issued.)
Evidence (5) · classifier 1.4.0,
ARIN-IssuedARIN-Issued report for 2012-12-20: "Add 199.43.20.0-199.43.44.255"source · retrieved
BeforeARIN delegated statistics 2012-12-19, before the report: assigned (dated 1994-02-02)source · retrieved
AfterARIN delegated statistics 2012-12-21, after the report: assigned (dated 2012-12-20)source · retrieved
Transfer logTransfer log: RESOURCE_TRANSFER on 2012-12-20 23:02 UTC, Bank of America (ARIN) to (no name) (APNIC); resources moved: 199.43.45.0/24source · retrieved
Transfer logTransfer log: RESOURCE_TRANSFER on 2012-12-20 23:02 UTC, Bank of America (ARIN) to (no name) (APNIC); resources moved: 199.43.63.0/24source · retrieved
Classification history for this change (4 versions)
: Range split/merge or reporting-format change, strong inference (classifier 1.3.0)
: Range split/merge or reporting-format change, strong inference (classifier 1.3.1)
: Range split/merge or reporting-format change, strong inference (classifier 1.3.2)
: Range split/merge or reporting-format change, strong inference (classifier 1.4.0) current
Transfer records
No transfer log has a transfer of any part of this IPv4 range.
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.