rirtracker

ASN

AS163

Now

ARIN statistics
Assigned (dated 1988-03-17) (US), in the latest file
Registry
ARIN
Holder
IBM IBM-1-Z
From
RDAP, looked up 2026-11-07 18:22 UTC

Latest change

Transfer log Merger/acquisition or reorganization

Reported
2023-11-03 (ARIN)
Confidence
Confirmed
Inventory
No effect on ARIN applicant inventory

Timeline (1)

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.

2023-11-03 ARIN Transfer log Merger/acquisition or reorganization Confirmed
Transfer log
Merger/acquisition: International Business Machines Corporation (ARIN) to IBM (ARIN)
From
International Business Machines Corporation ARIN
To
IBM ARIN
Inventory
No effect on ARIN applicant inventory

ARIN's transfer log records a merger, acquisition or reorganization from International Business Machines Corporation (ARIN) to IBM (ARIN) on 2023-11-03 13:21 UTC. The registration changed hands; it is not a new allocation from ARIN. ARIN-Issued and ARIN's statistics don't show this change; only the transfer log records it.

Evidence (3) · classifier 1.4.0,
  1. Transfer log Transfer log: MERGER_ACQUISITION on 2023-11-03 13:21 UTC, International Business Machines Corporation (ARIN) to IBM (ARIN); resources moved: AS163 source · retrieved
  2. Before ARIN delegated statistics 2023-11-02 (produced 2023-11-02T13:00:33+00:00), before the report: assigned (dated 1988-03-17) source · retrieved
  3. After ARIN delegated statistics 2023-11-04 (produced 2023-11-04T13:00:34+00:00), after the report: assigned (dated 1988-03-17) source · retrieved

Transfer records (1)

Date (UTC)LogTypeRange movedFromTo
ARINMerger acquisitionAS163 International Business Machines Corporation ARINIBM ARIN

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 upWhyRegistryHandleOrganizationStatusLast changed
Watch list ARINAS163IBM IBM-1-Zactive2023-11-03
Watch list ARINAS163IBM IBM-1-Zactive2023-11-03
Watch list ARINAS163IBM IBM-1-Zactive2023-11-03
Watch list ARINAS163IBM IBM-1-Zactive2023-11-03
Watch list ARINAS163IBM IBM-1-Zactive2023-11-03
Watch list ARINAS163IBM IBM-1-Zactive2023-11-03
Watch list ARINAS163IBM IBM-1-Zactive2023-11-03

Organization-level details only; contact details are never kept. RDAP shows the registration when it was looked up, not in the past.

This page as data: asn/163.json