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.
2022-09-16LACNIC+ RegisteredRestored to the same holderStrong inference
Statistics
45.4.176.0/22 reserved on 2022-09-15, allocated on 2022-09-16
Inventory
No effect on LACNIC applicant inventory
No transfer record matches. LACNIC's statistics show it reserved on 2022-09-15 and allocated (dated 2017-03-17) on 2022-09-16. The tracker saw it removed from registration on 2022-09-14 (2 days earlier), and it is back with the same holder record it had before, so it went back to its previous holder rather than to a new one: most likely a suspension lifted, a reinstatement or a correction.
Evidence (3) · classifier 1.4.0,
StatisticsFound by comparing LACNIC's daily statistics: 45.4.176.0/22 reserved on 2022-09-15, allocated on 2022-09-16source · retrieved
BeforeLACNIC delegated statistics 2022-09-15, before the change: reservedsource · retrieved
AfterLACNIC delegated statistics 2022-09-16, after the change: allocated (dated 2017-03-17)source · retrieved
Classification history for this change (4 versions)
: Restored to the same holder, strong inference (classifier 1.3.0)
: Restored to the same holder, strong inference (classifier 1.3.1)
: Restored to the same holder, strong inference (classifier 1.3.2)
: Restored to the same holder, strong inference (classifier 1.4.0) current
2022-09-14LACNIC− DeregisteredRemoved (return, revocation or reclamation not publicly distinguishable)Strong inference
Statistics
45.4.176.0/22 allocated on 2022-09-13, reserved on 2022-09-14
Inventory
Possible future reissue candidate after hold
Hold estimate
Estimated hold end 2023-03-14. Possible reissue candidate after this date; not confirmed available.
Removed from active registration. The tracker found it by comparing LACNIC's daily statistics. LACNIC's statistics show it allocated (dated 2017-03-17) on 2022-09-13 and reserved on 2022-09-14. Public sources do not distinguish a voluntary return, revocation, or reclamation. LACNIC holds returned, revoked and reclaimed IPv4 space for 6 calendar months before reissuing it, so the estimated hold end is 2023-03-14. This does not confirm availability.
Evidence (3) · classifier 1.4.0,
StatisticsFound by comparing LACNIC's daily statistics: 45.4.176.0/22 allocated on 2022-09-13, reserved on 2022-09-14source · retrieved
BeforeLACNIC delegated statistics 2022-09-13, before the change: allocated (dated 2017-03-17)source · retrieved
AfterLACNIC delegated statistics 2022-09-14, after the change: reservedsource · retrieved
Classification history for this change (4 versions)
: Removed (return, revocation or reclamation not publicly distinguishable), strong inference (classifier 1.3.0)
: Removed (return, revocation or reclamation not publicly distinguishable), strong inference (classifier 1.3.1)
: Removed (return, revocation or reclamation not publicly distinguishable), strong inference (classifier 1.3.2)
: Removed (return, revocation or reclamation not publicly distinguishable), strong inference (classifier 1.4.0) current
2017-03-17LACNIC+ RegisteredApparent new issuanceStrong inference
Statistics
45.4.176.0/22 reserved on 2017-03-16, allocated on 2017-03-17
Inventory
Likely issued from LACNIC-controlled inventory
No transfer record matches. LACNIC's statistics show it reserved on 2017-03-16 and allocated (dated 2017-03-17) on 2017-03-17. 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: 45.4.176.0/22 reserved on 2017-03-16, allocated on 2017-03-17source · retrieved
BeforeLACNIC delegated statistics 2017-03-16, before the change: reservedsource · retrieved
AfterLACNIC delegated statistics 2017-03-17, after the change: allocated (dated 2017-03-17)source · retrieved
Classification history for this change (4 versions)
: Apparent new issuance, strong inference (classifier 1.4.0) current
2017-03-09LACNICReleasedReleased from hold (LACNIC lists it as 'available')Strong inference
Statistics
45.4.176.0/22 reserved on 2017-03-08, available on 2017-03-09
Inventory
LACNIC's statistics now list it as 'available'; reissue not confirmed
LACNIC's statistics show it reserved on 2017-03-08 and available on 2017-03-09. 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: 45.4.176.0/22 reserved on 2017-03-08, available on 2017-03-09source · retrieved
BeforeLACNIC delegated statistics 2017-03-08, before the change: reservedsource · retrieved
AfterLACNIC delegated statistics 2017-03-09, 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
Sold in pieces
1 piece of this block transferred since 2012-06-29, 25% of it so far.
Every record in the ARIN, RIPE NCC, APNIC, LACNIC and AFRINIC transfer logs that moved any part of this IPv4 range (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.