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 ISP Alliance a.s. (RIPE NCC) to WIA spol. s.r.o. (RIPE NCC) on 2022-09-06 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 2022-09-06 19:00 UTC, ISP Alliance a.s. (RIPE NCC) to WIA spol. s.r.o. (RIPE NCC); resources moved: 147.161.28.0/22source · retrieved
BeforeRIPE NCC delegated statistics 2022-09-05 (produced 2022-09-05T21:59:59+00:00), before the change: allocated (dated 1991-05-01)source · retrieved
AfterRIPE NCC delegated statistics 2022-09-06 (produced 2022-09-06T21:59:59+00:00), after the change: allocated (dated 1991-05-01)source · retrieved
Classification history for this change (4 versions)
Transfer: CC INTERNET s.r.o. (RIPE NCC) to ISP Alliance a.s. (RIPE NCC)
From
CC INTERNET s.r.o. RIPE NCC
To
ISP Alliance a.s. RIPE NCC
Piece of
147.161.0.0/16: the rest of the block stayed with the seller
Inventory
No effect on RIPE NCC applicant inventory
The RIPE NCC's transfer log records a transfer from CC INTERNET s.r.o. (RIPE NCC) to ISP Alliance a.s. (RIPE NCC) on 2020-07-07 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 2020-07-07 19:00 UTC, CC INTERNET s.r.o. (RIPE NCC) to ISP Alliance a.s. (RIPE NCC); resources moved: 147.161.28.0/22source · retrieved
BeforeRIPE NCC delegated statistics 2020-07-06 (produced 2020-07-06T21:59:59+00:00), before the change: allocated (dated 1991-05-01)source · retrieved
AfterRIPE NCC delegated statistics 2020-07-07 (produced 2020-07-07T21:59:59+00:00), after the change: allocated (dated 1991-05-01)source · retrieved
Classification history for this change (4 versions)
: Intra-RIPE NCC transfer, confirmed (classifier 1.4.0) current
Transfer records (2)
Date (UTC)
Log
Type
Range moved
From
To
RIPE NCC
Resource transfer
147.161.28.0/22
ISP Alliance a.s. RIPE NCC
WIA spol. s.r.o. RIPE NCC
RIPE NCC
Resource transfer
147.161.28.0/22
CC INTERNET s.r.o. RIPE NCC
ISP Alliance a.s. RIPE NCC
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.