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.
Transfer: China Internet Network Information Center/GuangzhouRuiYun (APNIC) to China Internet Network Information Center/ESINNET (APNIC)
From
China Internet Network Information Center/GuangzhouRuiYun APNIC
To
China Internet Network Information Center/ESINNET APNIC
Inventory
No effect on APNIC applicant inventory
APNIC's transfer log records a transfer from China Internet Network Information Center/GuangzhouRuiYun (APNIC) to China Internet Network Information Center/ESINNET (APNIC) on 2017-06-05 00:00 UTC. The registration changed hands; it is not a new allocation from APNIC.
Evidence (3) · classifier 1.4.0,
Transfer logTransfer log: RESOURCE_TRANSFER on 2017-06-05 00:00 UTC, China Internet Network Information Center/GuangzhouRuiYun (APNIC) to China Internet Network Information Center/ESINNET (APNIC); resources moved: 124.150.137.0/24source · retrieved
BeforeAPNIC delegated statistics 2017-06-05, before the change: allocated (dated 2016-06-09)source · retrieved
AfterAPNIC delegated statistics 2017-06-06, after the change: allocated (dated 2016-06-09)source · retrieved
Classification history for this change (4 versions)
: Intra-APNIC transfer, confirmed (classifier 1.4.0) current
2016-06-09APNIC+ RegisteredApparent new issuanceStrong inference
Statistics
124.150.137.0/24 available on 2016-06-09, allocated on 2016-06-10
Inventory
Likely issued from APNIC-controlled inventory
No transfer record matches. APNIC's statistics show it available on 2016-06-09 and allocated (dated 2016-06-09) on 2016-06-10. It moved from APNIC's unissued pool to an active registration dated around that day, so it appears to be newly issued by APNIC.
Evidence (3) · classifier 1.4.0,
StatisticsFound by comparing APNIC's daily statistics: 124.150.137.0/24 available on 2016-06-09, allocated on 2016-06-10source · retrieved
BeforeAPNIC delegated statistics 2016-06-09, before the change: availablesource · retrieved
AfterAPNIC delegated statistics 2016-06-10, after the change: allocated (dated 2016-06-09)source · retrieved
Classification history for this change (4 versions)
: Apparent new issuance, strong inference (classifier 1.4.0) current
2015-10-28APNICReleasedReleased from hold (APNIC lists it as 'available')Strong inference
Statistics
124.150.137.0/24 reserved on 2015-10-28, available on 2015-10-29
Inventory
APNIC's statistics now list it as 'available'; reissue not confirmed
APNIC's statistics show it reserved on 2015-10-28 and available on 2015-10-29. APNIC moved it from its reserved (held) records to the status it calls 'available'. That is APNIC's own label: whether and when it is reissued is not confirmed.
Evidence (3) · classifier 1.4.0,
StatisticsFound by comparing APNIC's daily statistics: 124.150.137.0/24 reserved on 2015-10-28, available on 2015-10-29source · retrieved
BeforeAPNIC delegated statistics 2015-10-28, before the change: reservedsource · retrieved
AfterAPNIC delegated statistics 2015-10-29, after the change: availablesource · retrieved
Classification history for this change (4 versions)
: Released from hold (APNIC lists it as 'available'), strong inference (classifier 1.3.0)
: Released from hold (APNIC lists it as 'available'), strong inference (classifier 1.3.1)
: Released from hold (APNIC lists it as 'available'), strong inference (classifier 1.3.2)
: Released from hold (APNIC lists it as 'available'), strong inference (classifier 1.4.0) current
China Internet Network Information Center/GuangzhouRuiYun APNIC
China Internet Network Information Center/ESINNET APNIC
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.