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.
2016-12-28ARIN+ AddApparent reissuance of previously removed resourceStrong inference
ARIN-Issued
Add 71.19.128.0-71.19.143.255
Inventory
Likely issued from ARIN-controlled inventory
No transfer record matches. ARIN's statistics show it reserved on 2016-12-27 and allocated (dated 2016-12-28) on 2016-12-29. The tracker saw this range released from hold on 2013-12-16 (71.19.134.0-71.19.135.255), so it appears to have been issued again from ARIN's pool.
Evidence (3) · classifier 1.4.0,
ARIN-IssuedARIN-Issued report for 2016-12-28: "Add 71.19.128.0-71.19.143.255"source · retrieved
BeforeARIN delegated statistics 2016-12-27 (produced 2016-12-27T06:10:05+00:00), before the report: reservedsource · retrieved
AfterARIN delegated statistics 2016-12-29 (produced 2016-12-29T06:10:47+00:00), after the report: allocated (dated 2016-12-28)source · retrieved
Classification history for this change (4 versions)
: Apparent reissuance of previously removed resource, strong inference (classifier 1.4.0) current
2016-12-28ARIN− RemoveChange to ARIN's own pool recordStrong inference
ARIN-Issued
Remove 71.19.128.0-71.19.143.255
Inventory
Part of the issuance reported the same day
ARIN's statistics show it reserved on 2016-12-27 and allocated (dated 2016-12-28) on 2016-12-29. ARIN removed its own pool record for this range as part of issuing it: the same report adds 71.19.128.0-71.19.143.255. The issuance is explained on that line.
Evidence (3) · classifier 1.4.0,
ARIN-IssuedARIN-Issued report for 2016-12-28: "Remove 71.19.128.0-71.19.143.255"source · retrieved
BeforeARIN delegated statistics 2016-12-27 (produced 2016-12-27T06:10:05+00:00), before the report: reservedsource · retrieved
AfterARIN delegated statistics 2016-12-29 (produced 2016-12-29T06:10:47+00:00), after the report: allocated (dated 2016-12-28)source · retrieved
Classification history for this change (4 versions)
: Change to ARIN's own pool record, strong inference (classifier 1.3.0)
: Change to ARIN's own pool record, strong inference (classifier 1.3.1)
: Change to ARIN's own pool record, strong inference (classifier 1.3.2)
: Change to ARIN's own pool record, 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.