rirtracker

IPv4 range · 4,096 addresses

66.226.144.0/20

Now

APNIC statistics
Assigned (dated 2008-03-03) (AU), in the latest file
Registry
APNIC
Holder
Mammoth Media Pty Ltd
From
APNIC's latest statistics and the latest transfer record

Latest change

Transfer log Inter-RIR transfer out of ARIN

Reported
2026-03-30 (ARIN)
Confidence
Confirmed
Inventory
Transferred out of ARIN administration; not offered to ARIN applicants

Timeline (2)

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.

2026-03-30 ARIN Transfer log Inter-RIR transfer out of ARIN Confirmed
Transfer log
Transfer: In2net Network Inc. (ARIN) to Mammoth Media Pty Ltd (APNIC)
From
In2net Network Inc. ARIN
To
Mammoth Media Pty Ltd APNIC
Same transfer
APNIC recorded it too: APNIC, 2026-03-30.
Piece of
66.226.128.0/19: the rest of the block stayed with the seller
Inventory
Transferred out of ARIN administration; not offered to ARIN applicants

ARIN's transfer log records a transfer from In2net Network Inc. (ARIN) to Mammoth Media Pty Ltd (APNIC) on 2026-03-30 16:46 UTC: it left ARIN for APNIC. It is not a new allocation and is not offered to ARIN applicants.

Evidence (3) · classifier 1.4.0,
  1. Transfer log Transfer log: RESOURCE_TRANSFER on 2026-03-30 16:46 UTC, In2net Network Inc. (ARIN) to Mammoth Media Pty Ltd (APNIC); resources moved: 66.226.144.0/20 source · retrieved
  2. Before ARIN delegated statistics 2026-03-29 (produced 2026-03-29T13:00:39+00:00), before the report: allocated (dated 2008-03-03) source · retrieved
  3. After ARIN delegated statistics 2026-03-31 (produced 2026-03-31T13:00:39+00:00), after the report: not listed source · retrieved
2026-03-30 APNIC Transfer log Inter-RIR transfer into APNIC Confirmed
Transfer log
Transfer: IN2N (ARIN) to Mammoth Media Pty Ltd (APNIC)
From
IN2N ARIN
To
Mammoth Media Pty Ltd APNIC
Same transfer
Also a change at ARIN, the sending registry: ARIN, 2026-03-30. Lists that cover every registry show it there.
Inventory
Transferred into APNIC administration; not a new issuance

APNIC's transfer log records a transfer from IN2N (ARIN) to Mammoth Media Pty Ltd (APNIC) on 2026-03-30 05:57 UTC: it came to APNIC from ARIN. It was already issued by another registry, so this is not a new issuance.

Evidence (3) · classifier 1.4.0,
  1. Transfer log Transfer log: RESOURCE_TRANSFER on 2026-03-30 05:57 UTC, IN2N (ARIN) to Mammoth Media Pty Ltd (APNIC); resources moved: 66.226.144.0/20 source · retrieved
  2. Before APNIC delegated statistics 2026-03-30, before the change: not listed source · retrieved
  3. After APNIC delegated statistics 2026-03-31, after the change: assigned (dated 2008-03-03) source · retrieved
Classification history for this change (5 versions)
  1. : Inter-RIR transfer into APNIC, confirmed (classifier 1.2.0)
  2. : Inter-RIR transfer into APNIC, confirmed (classifier 1.3.0)
  3. : Inter-RIR transfer into APNIC, confirmed (classifier 1.3.1)
  4. : Inter-RIR transfer into APNIC, confirmed (classifier 1.3.2)
  5. : Inter-RIR transfer into APNIC, confirmed (classifier 1.4.0) current

Transfer records (2)

Date (UTC)LogTypeRange movedFromTo
ARINResource transfer66.226.144.0/20 In2net Network Inc. ARINMammoth Media Pty Ltd APNIC
APNICResource transfer66.226.144.0/20 IN2N ARINMammoth Media Pty Ltd APNIC

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.

This page as data: ip/66.226.144.0-66.226.159.255.json