rirtracker

ASN

AS4167

Now

ARIN statistics
Assigned (dated 2026-03-03) on 2026-10-09 (US)
Registry
ARIN
Holder
Anthropic, PBC
From
ARIN's statistics for 2026-10-09 and the latest transfer record

Latest change

+ Add Intra-ARIN transfer

Reported
2026-03-03
Confidence
Confirmed
Inventory
No effect on ARIN applicant inventory

Timeline since 2026-01-01 (1)

2026-03-03 + Add Intra-ARIN transfer Confirmed
ARIN-Issued
Add AS4167
From
EpicUp Holdings Inc ARIN
To
Anthropic, PBC ARIN
Inventory
No effect on ARIN applicant inventory

ARIN's transfer log records a transfer from EpicUp Holdings Inc (ARIN) to Anthropic, PBC (ARIN) on 2026-03-03 13:36 UTC. ARIN-Issued lists it as "Add" because the registration changed hands; it is not a new allocation from ARIN.

Evidence (4) · classifier 1.0.0,
  1. ARIN-Issued ARIN-Issued report for 2026-03-03: "Add AS4167" source · retrieved
  2. Transfer log Transfer log: RESOURCE_TRANSFER on 2026-03-03 13:36 UTC, EpicUp Holdings Inc (ARIN) to Anthropic, PBC (ARIN); resources moved: AS4167 source · retrieved
  3. Before ARIN delegated statistics 2026-03-02 (produced 2026-03-02T14:00:50+00:00), before the report: assigned (dated 1994-12-15) source · retrieved
  4. After ARIN delegated statistics 2026-03-04 (produced 2026-03-04T14:00:50+00:00), after the report: assigned (dated 2026-03-03) source · retrieved

Transfer records (2)

Date (UTC)TypeRange movedFromTo
Resource transferAS4167 EpicUp Holdings Inc ARINAnthropic, PBC ARIN
Merger acquisitionAS4167 Connectsoft Commercial Network Services ARINEpicUp Holdings Inc ARIN

Every record in ARIN's transfer log that moved any part of this ASN, back to 2009.

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.

This page as data: asn/4167.json