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.
APNIC's transfer log records a transfer from Zenlayer Network Technologies (Shanghai) Co. Ltd. (APNIC) to Zenlayer (Singapore) PTE. LTD (APNIC) on 2019-08-15 03:41 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 2019-08-15 03:41 UTC, Zenlayer Network Technologies (Shanghai) Co. Ltd. (APNIC) to Zenlayer (Singapore) PTE. LTD (APNIC); resources moved: 36.255.220.0/22, 129.227.0.0/16source · retrieved
BeforeAPNIC delegated statistics 2019-08-15, before the change: allocated (dated 1988-03-07)source · retrieved
AfterAPNIC delegated statistics 2019-08-16, after the change: allocated (dated 1988-03-07)source · retrieved
Classification history for this change (4 versions)
Also a change at ARIN, the sending registry: ARIN, 2019-06-25. Lists that cover every registry show it there.
Inventory
Transferred into APNIC administration; not a new issuance
APNIC's transfer log records a transfer from UNISYS-2 (ARIN) to Zenlayer Network Technologies (Shanghai) Co. Ltd. (APNIC) on 2019-06-26 07:49 UTC: it came to APNIC from ARIN. It was already issued by another registry, so this is not a new issuance.
Evidence (3) · classifier 1.4.0,
Transfer logTransfer log: RESOURCE_TRANSFER on 2019-06-26 07:49 UTC, UNISYS-2 (ARIN) to Zenlayer Network Technologies (Shanghai) Co. Ltd. (APNIC); resources moved: 129.227.0.0/16source · retrieved
BeforeAPNIC delegated statistics 2019-06-26, before the change: not listedsource · retrieved
AfterAPNIC delegated statistics 2019-06-27, after the change: allocated (dated 1988-03-07)source · retrieved
Classification history for this change (4 versions)
: Inter-RIR transfer into APNIC, confirmed (classifier 1.3.0)
: Inter-RIR transfer into APNIC, confirmed (classifier 1.3.1)
: Inter-RIR transfer into APNIC, confirmed (classifier 1.3.2)
: Inter-RIR transfer into APNIC, confirmed (classifier 1.4.0) current
2019-06-25ARINNot in ARIN-IssuedInter-RIR transfer out of ARINConfirmed
Transferred out of ARIN administration; not offered to ARIN applicants
ARIN's transfer log records a transfer from Unisys Corporation (ARIN) to Zenlayer Network Technologies (Shanghai) Co. Ltd. (APNIC) on 2019-06-26 11:30 UTC: it left ARIN for APNIC. ARIN-Issued didn't list this change; it is not a new allocation and is not offered to ARIN applicants.
Evidence (4) · classifier 1.4.0,
StatisticsNot listed in ARIN-Issued; found by comparing ARIN's daily statistics: 129.227.0.0/16 assigned on 2019-06-25, not listed on 2019-06-26source · retrieved
Transfer logTransfer log: RESOURCE_TRANSFER on 2019-06-26 11:30 UTC, Unisys Corporation (ARIN) to Zenlayer Network Technologies (Shanghai) Co. Ltd. (APNIC); resources moved: 129.227.0.0/16source · retrieved
BeforeARIN delegated statistics 2019-06-24 (produced 2019-06-24T14:00:16+00:00), before the report: assigned (dated 1988-03-07)source · retrieved
AfterARIN delegated statistics 2019-06-26 (produced 2019-06-26T14:00:15+00:00), after the report: not listedsource · retrieved
Classification history for this change (4 versions)
: Inter-RIR transfer out of ARIN, confirmed (classifier 1.3.0)
: Inter-RIR transfer out of ARIN, confirmed (classifier 1.3.1)
: Inter-RIR transfer out of ARIN, confirmed (classifier 1.3.2)
: Inter-RIR transfer out of ARIN, confirmed (classifier 1.4.0) current
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.