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.
2011-12-22ARIN+ AddRange split/merge or reporting-format changeStrong inference
ARIN-Issued
Add 174.45.0.0-174.45.255.255
Inventory
No effect on ARIN applicant inventory
This range is part of a larger block from which a piece was transferred around 2011-12-22; the rest was re-registered to show the split. ARIN's statistics show it allocated (dated 2009-01-13) on 2011-12-21 and allocated (dated 2011-12-22) on 2011-12-23. (Until 2013-03-05, ARIN's statistics list only what's issued.)
Evidence (4) · classifier 1.4.0,
ARIN-IssuedARIN-Issued report for 2011-12-22: "Add 174.45.0.0-174.45.255.255"source · retrieved
BeforeARIN delegated statistics 2011-12-21, before the report: allocated (dated 2009-01-13)source · retrieved
AfterARIN delegated statistics 2011-12-23, after the report: allocated (dated 2011-12-22)source · retrieved
Transfer logTransfer log: RESOURCE_TRANSFER on 2011-12-22 19:01 UTC, Bresnan Communications, LLC. (ARIN) to Optimum Online (ARIN); resources moved: 174.44.0.0/16source · 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
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.