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.
2020-07-10LACNIC+ RegisteredApparent new issuanceStrong inference
Statistics
190.123.4.0/22 reserved on 2020-07-09, allocated on 2020-07-10
Inventory
Likely issued from LACNIC-controlled inventory
No transfer record matches. LACNIC's statistics show it reserved on 2020-07-09 and allocated (dated 2020-07-10) on 2020-07-10. It moved from LACNIC's unissued pool to an active registration dated around that day, so it appears to be newly issued by LACNIC.
Evidence (3) · classifier 1.4.0,
StatisticsFound by comparing LACNIC's daily statistics: 190.123.4.0/22 reserved on 2020-07-09, allocated on 2020-07-10source · retrieved
BeforeLACNIC delegated statistics 2020-07-09, before the change: reservedsource · retrieved
AfterLACNIC delegated statistics 2020-07-10, after the change: allocated (dated 2020-07-10)source · retrieved
Classification history for this change (4 versions)
: Apparent new issuance, strong inference (classifier 1.4.0) current
2020-03-19LACNICReleasedReleased from hold (LACNIC lists it as 'available')Strong inference
Statistics
190.123.4.0/22 reserved on 2020-03-18, available on 2020-03-19
Inventory
LACNIC's statistics now list it as 'available'; reissue not confirmed
LACNIC's statistics show it reserved on 2020-03-18 and available on 2020-03-19. LACNIC moved it from its reserved (held) records to the status it calls 'available'. That is LACNIC's own label: whether and when it is reissued is not confirmed.
Evidence (3) · classifier 1.4.0,
StatisticsFound by comparing LACNIC's daily statistics: 190.123.4.0/22 reserved on 2020-03-18, available on 2020-03-19source · retrieved
BeforeLACNIC delegated statistics 2020-03-18, before the change: reservedsource · retrieved
AfterLACNIC delegated statistics 2020-03-19, after the change: availablesource · retrieved
Classification history for this change (4 versions)
: Released from hold (LACNIC lists it as 'available'), strong inference (classifier 1.3.0)
: Released from hold (LACNIC lists it as 'available'), strong inference (classifier 1.3.1)
: Released from hold (LACNIC lists it as 'available'), strong inference (classifier 1.3.2)
: Released from hold (LACNIC lists it as 'available'), 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.