rirtracker

IPv4 range · 2 prefixes · 1,536 addresses

121.91.98.0 - 121.91.103.255

121.91.98.0/23, 121.91.100.0/22

Now

ARIN statistics
Allocated (dated 2025-01-13) (US), in the latest file
Registry
ARIN
Holder
Amazon.com, Inc.
From
ARIN's latest statistics and the latest transfer record

Latest change

+ Add Inter-RIR transfer into ARIN

Reported
2025-01-13 (ARIN)
Confidence
Confirmed
Inventory
Transferred into ARIN administration; not a new issuance

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.

2025-01-13 ARIN + Add Inter-RIR transfer into ARIN Confirmed
ARIN-Issued
Add 121.91.98.0-121.91.103.255
From
iseek Communications Pty Ltd APNIC
To
Amazon.com, Inc. ARIN
Same transfer
Also a change at APNIC, the sending registry: APNIC, 2025-01-14. Lists that cover every registry show it there.
Inventory
Transferred into ARIN administration; not a new issuance

ARIN's transfer log records a transfer from iseek Communications Pty Ltd (APNIC) to Amazon.com, Inc. (ARIN), recorded as 2 transfer records that together cover exactly this range, on 2025-01-13 19:50 UTC: it came to ARIN from APNIC. It was already issued by another registry, so this is not a new issuance.

Evidence (5) · classifier 1.4.0,
  1. ARIN-Issued ARIN-Issued report for 2025-01-13: "Add 121.91.98.0-121.91.103.255" source · retrieved
  2. Transfer log Transfer log: RESOURCE_TRANSFER on 2025-01-13 19:50 UTC, iseek Communications Pty Ltd (APNIC) to Amazon.com, Inc. (ARIN); resources moved: 121.91.98.0/23 source · retrieved
  3. Transfer log Transfer log: RESOURCE_TRANSFER on 2025-01-13 19:50 UTC, iseek Communications Pty Ltd (APNIC) to Amazon.com, Inc. (ARIN); resources moved: 121.91.100.0/22 source · retrieved
  4. Before ARIN delegated statistics 2025-01-12 (produced 2025-01-12T14:01:06+00:00), before the report: not listed source · retrieved
  5. After ARIN delegated statistics 2025-01-14 (produced 2025-01-14T14:01:07+00:00), after the report: allocated (dated 2025-01-13) source · retrieved
Classification history for this change (4 versions)
  1. : Inter-RIR transfer into ARIN, confirmed (classifier 1.3.0)
  2. : Inter-RIR transfer into ARIN, confirmed (classifier 1.3.1)
  3. : Inter-RIR transfer into ARIN, confirmed (classifier 1.3.2)
  4. : Inter-RIR transfer into ARIN, confirmed (classifier 1.4.0) current

Changes to overlapping ranges

DateRegistryRangeRecorded asWhat happened
2025-01-14APNIC121.91.98.0/23Transfer logTransfer out of APNIC
2025-01-14APNIC121.91.100.0/22Transfer logTransfer out of APNIC

Transfer records (3)

Date (UTC)LogTypeRange movedFromTo
APNICResource transfer121.91.98.0/23 Iseek Communications Pty Ltd APNICAMAZO-4 ARIN
ARINResource transfer121.91.98.0/23 iseek Communications Pty Ltd APNICAmazon.com, Inc. ARIN
ARINResource transfer121.91.100.0/22 iseek Communications Pty Ltd APNICAmazon.com, Inc. ARIN

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/121.91.98.0-121.91.103.255.json