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 2021-09-06 06:55 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 2021-09-06 06:55 UTC, Zenlayer Network Technologies (Shanghai) Co. Ltd. (APNIC) to Zenlayer (Singapore) PTE. LTD (APNIC); resources moved: 103.14.32.0/22, 103.72.144.0/22, 103.210.20.0/22source · retrieved
BeforeAPNIC delegated statistics 2021-09-06, before the change: allocated (dated 2016-02-25)source · retrieved
AfterAPNIC delegated statistics 2021-09-07, after the change: allocated (dated 2016-02-25)source · retrieved
Classification history for this change (4 versions)
APNIC's transfer log records a transfer from VerdiKt Studios LLC (APNIC) to Zenlayer Network Technologies (Shanghai) Co. Ltd. (APNIC) on 2017-05-25 10:23 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 2017-05-25 10:23 UTC, VerdiKt Studios LLC (APNIC) to Zenlayer Network Technologies (Shanghai) Co. Ltd. (APNIC); resources moved: 36.255.220.0/22, 103.210.20.0/22source · retrieved
BeforeAPNIC delegated statistics 2017-05-25, before the change: allocated (dated 2016-02-25)source · retrieved
AfterAPNIC delegated statistics 2017-05-26, after the change: allocated (dated 2016-02-25)source · retrieved
Classification history for this change (4 versions)
: Intra-APNIC transfer, confirmed (classifier 1.4.0) current
2016-02-25APNIC+ RegisteredApparent new issuanceStrong inference
Statistics
103.210.20.0/22 available on 2016-02-25, allocated on 2016-02-26
Inventory
Likely issued from APNIC-controlled inventory
No transfer record matches. APNIC's statistics show it available on 2016-02-25 and allocated (dated 2016-02-25) on 2016-02-26. 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: 103.210.20.0/22 available on 2016-02-25, allocated on 2016-02-26source · retrieved
BeforeAPNIC delegated statistics 2016-02-25, before the change: availablesource · retrieved
AfterAPNIC delegated statistics 2016-02-26, after the change: allocated (dated 2016-02-25)source · retrieved
Classification history for this change (4 versions)
: Apparent new issuance, strong inference (classifier 1.3.0)
: Apparent new issuance, strong inference (classifier 1.3.1)
: Apparent new issuance, strong inference (classifier 1.3.2)
: Apparent new issuance, strong inference (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.