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.
2011-07-21APNIC+ RegisteredApparent new issuanceStrong inference
Statistics
AS131584-AS131683 available on 2011-07-21, allocated on 2011-07-22
Inventory
Likely issued from APNIC-controlled inventory
No transfer record matches. APNIC's statistics show it available on 2011-07-21 and allocated (dated 2011-07-21) on 2011-07-22. 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: AS131584-AS131683 available on 2011-07-21, allocated on 2011-07-22source · retrieved
BeforeAPNIC delegated statistics 2011-07-21, before the change: availablesource · retrieved
AfterAPNIC delegated statistics 2011-07-22, after the change: allocated (dated 2011-07-21)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
Taiwan Network Information Center/AMATECH-NET APNIC
Taiwan Network Information Center/DOWTEK APNIC
APNIC
Resource transfer
AS131664
Taiwan Network Information Center/NSSIT-NET APNIC
Taiwan Network Information Center/NSSCYBER APNIC
APNIC
Resource transfer
AS131640
Taiwan Network Information Center APNIC
Hong Kong Communications International Co., Limited APNIC
Every record in the ARIN, RIPE NCC, APNIC, LACNIC and AFRINIC transfer logs that moved any part of this ASN (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.