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.
The RIPE NCC's transfer log records a transfer from Igrovye resheniya LLC (RIPE NCC) to Mail.Ru LLC (RIPE NCC) on 2021-08-24 19:00 UTC. The registration changed hands; it is not a new allocation from the RIPE NCC.
Evidence (3) · classifier 1.4.0,
Transfer logTransfer log: RESOURCE_TRANSFER on 2021-08-24 19:00 UTC, Igrovye resheniya LLC (RIPE NCC) to Mail.Ru LLC (RIPE NCC); resources moved: AS57973source · retrieved
BeforeRIPE NCC delegated statistics 2021-08-23 (produced 2021-08-23T21:59:00+00:00), before the change: allocated (dated 2012-03-22)source · retrieved
AfterRIPE NCC delegated statistics 2021-08-24 (produced 2021-08-24T21:59:00+00:00), after the change: allocated (dated 2012-03-22)source · retrieved
Classification history for this change (4 versions)
The RIPE NCC's transfer log records a transfer from Centr upravleniya platezhami Ltd. (RIPE NCC) to Igrovye resheniya Ltd. (RIPE NCC) on 2017-12-28 19:00 UTC. The registration changed hands; it is not a new allocation from the RIPE NCC.
Evidence (3) · classifier 1.4.0,
Transfer logTransfer log: RESOURCE_TRANSFER on 2017-12-28 19:00 UTC, Centr upravleniya platezhami Ltd. (RIPE NCC) to Igrovye resheniya Ltd. (RIPE NCC); resources moved: AS57973source · retrieved
BeforeRIPE NCC delegated statistics 2017-12-27 (produced 2017-12-27T22:59:59+00:00), before the change: allocated (dated 2012-03-22)source · retrieved
AfterRIPE NCC delegated statistics 2017-12-28 (produced 2017-12-28T22:59:59+00:00), after the change: allocated (dated 2012-03-22)source · retrieved
Classification history for this change (4 versions)
: Intra-RIPE NCC transfer, confirmed (classifier 1.4.0) current
2012-03-22RIPE NCC+ RegisteredApparent new issuanceStrong inference
Statistics
AS57973 available on 2012-03-21, allocated on 2012-03-22
Inventory
Likely issued from RIPE NCC-controlled inventory
No transfer record matches. The RIPE NCC's statistics show it available on 2012-03-21 and allocated (dated 2012-03-22) on 2012-03-22. It moved from the RIPE NCC's unissued pool to an active registration dated around that day, so it appears to be newly issued by the RIPE NCC.
Evidence (3) · classifier 1.4.0,
StatisticsFound by comparing the RIPE NCC's daily statistics: AS57973 available on 2012-03-21, allocated on 2012-03-22source · retrieved
BeforeRIPE NCC delegated statistics 2012-03-21 (produced 2012-03-21T22:59:59+00:00), before the change: availablesource · retrieved
AfterRIPE NCC delegated statistics 2012-03-22 (produced 2012-03-22T22:59:59+00:00), after the change: allocated (dated 2012-03-22)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
Transfer records (2)
Date (UTC)
Log
Type
Range moved
From
To
RIPE NCC
Resource transfer
AS57973
Igrovye resheniya LLC RIPE NCC
Mail.Ru LLC RIPE NCC
RIPE NCC
Resource transfer
AS57973
Centr upravleniya platezhami Ltd. RIPE NCC
Igrovye resheniya Ltd. RIPE NCC
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.