rirtracker

IPv4 range · 65,536 addresses

164.129.0.0/16

Now

RIPE NCC statistics
Assigned (dated 1993-03-17) on 2026-10-09 (FR)
Registry
RIPE NCC
Holder
STMicroelectronics France SAS
From
RIPE NCC's statistics for 2026-10-09 and the latest transfer record

Latest change

Transfer log Merger/acquisition or reorganization

Reported
2026-08-06 (RIPE NCC)
Confidence
Confirmed
Inventory
No effect on RIPE NCC applicant inventory

Timeline since 2026-01-01 (1)

2026-08-06 RIPE NCC Transfer log Merger/acquisition or reorganization Confirmed
Transfer log
Merger/acquisition: SGS-THOMSON Microelectronics S.A. (RIPE NCC) to STMicroelectronics France SAS (RIPE NCC)
From
SGS-THOMSON Microelectronics S.A. RIPE NCC
To
STMicroelectronics France SAS RIPE NCC
Inventory
No effect on RIPE NCC applicant inventory

RIPE NCC's transfer log records a merger, acquisition or reorganization from SGS-THOMSON Microelectronics S.A. (RIPE NCC) to STMicroelectronics France SAS (RIPE NCC) on 2026-08-06 19:00 UTC. The registration changed hands; it is not a new allocation from RIPE NCC.

Evidence (3) · classifier 1.1.0,
  1. Transfer log Transfer log: MERGER_ACQUISITION on 2026-08-06 19:00 UTC, SGS-THOMSON Microelectronics S.A. (RIPE NCC) to STMicroelectronics France SAS (RIPE NCC); resources moved: 164.129.0.0/16 source · retrieved
  2. Before RIPE NCC delegated statistics 2026-08-05 (produced 2026-08-05T21:59:59+00:00), before the change: assigned (dated 1993-03-17) source · retrieved
  3. After RIPE NCC delegated statistics 2026-08-06 (produced 2026-08-06T21:59:59+00:00), after the change: assigned (dated 1993-03-17) source · retrieved

Transfer records (1)

Date (UTC)LogTypeRange movedFromTo
RIPE NCCMerger acquisition164.129.0.0/16 SGS-THOMSON Microelectronics S.A. RIPE NCCSTMicroelectronics France SAS RIPE NCC

Every record in the ARIN and RIPE NCC transfer logs that moved any part of this IPv4 range (ARIN's go back to 2009, the RIPE NCC's to 2012). 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.

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