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.
2026-10-22RIPE NCCTransfer logMerger/acquisition or reorganizationConfirmed
The RIPE NCC's transfer log records a merger, acquisition or reorganization from Serac Applications B.V. (RIPE NCC) to Aiden Netherlands B.V. (RIPE NCC) on 2026-10-22 19:00 UTC. The registration changed hands; it is not a new allocation from the RIPE NCC.
Evidence (2) · classifier 1.4.0,
Transfer logTransfer log: MERGER_ACQUISITION on 2026-10-22 19:00 UTC, Serac Applications B.V. (RIPE NCC) to Aiden Netherlands B.V. (RIPE NCC); resources moved: AS210161source · retrieved
BeforeRIPE NCC delegated statistics 2026-10-21 (produced 2026-10-21T21:59:59+00:00), before the change: allocated (dated 2018-09-27)source · retrieved
The RIPE NCC's transfer log records a transfer from Xperi Managed Services B.V. (RIPE NCC) to Serac Applications B.V. (RIPE NCC) on 2025-11-05 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 2025-11-05 19:00 UTC, Xperi Managed Services B.V. (RIPE NCC) to Serac Applications B.V. (RIPE NCC); resources moved: AS210161source · retrieved
BeforeRIPE NCC delegated statistics 2025-11-04 (produced 2025-11-04T22:59:59+00:00), before the change: allocated (dated 2018-09-27)source · retrieved
AfterRIPE NCC delegated statistics 2025-11-05 (produced 2025-11-05T22:59:59+00:00), after the change: allocated (dated 2018-09-27)source · retrieved
Classification history for this change (4 versions)
: Intra-RIPE NCC transfer, confirmed (classifier 1.4.0) current
2018-09-27RIPE NCC+ RegisteredApparent new issuanceStrong inference
Statistics
AS210161 available on 2018-09-26, allocated on 2018-09-27
Inventory
Likely issued from RIPE NCC-controlled inventory
No transfer record matches. The RIPE NCC's statistics show it available on 2018-09-26 and allocated (dated 2018-09-27) on 2018-09-27. 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: AS210161 available on 2018-09-26, allocated on 2018-09-27source · retrieved
BeforeRIPE NCC delegated statistics 2018-09-26 (produced 2018-09-26T21:59:59+00:00), before the change: availablesource · retrieved
AfterRIPE NCC delegated statistics 2018-09-27 (produced 2018-09-27T21:59:59+00:00), after the change: allocated (dated 2018-09-27)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
Merger acquisition
AS210161
Serac Applications B.V. RIPE NCC
Aiden Netherlands B.V. RIPE NCC
RIPE NCC
Resource transfer
AS210161
Xperi Managed Services B.V. RIPE NCC
Serac Applications B.V. 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
Looked up
Why
Registry
Handle
Organization
Status
Last changed
After 7 days
RIPE NCC
AS210161
nl-serac-1-mnt
active
2025-11-05
After 24 hours
RIPE NCC
AS210161
nl-serac-1-mnt
active
2025-11-05
First seen
RIPE NCC
AS210161
nl-serac-1-mnt
active
2025-11-05
Organization-level details only; contact details are never kept. RDAP shows the registration when it was looked up, not in the past.