rirtracker

IPv4 range · 65,536 addresses

15.251.0.0/16

Now

ARIN statistics
Allocated (dated 2021-01-28) (US), in the latest file
Registry
ARIN
Holder
Amazon Technologies Inc.
From
ARIN's latest statistics and the latest transfer record

Latest change

+ Add Intra-ARIN transfer

Reported
2019-12-26 (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.

2019-12-26 ARIN + Add Intra-ARIN transfer Confirmed
ARIN-Issued
Add 15.251.0.0-15.251.255.255
From
Enterprise Services Latin America Corporation ARIN
To
Amazon Technologies Inc. ARIN
Piece of
15.0.0.0/8: the rest of the block stayed with the seller
Inventory
No effect on ARIN applicant inventory

ARIN's transfer log records a transfer from Enterprise Services Latin America Corporation (ARIN) to Amazon Technologies Inc. (ARIN) on 2019-12-26 20:02 UTC. ARIN-Issued lists it as "Add" because the registration changed hands; it is not a new allocation from ARIN.

Evidence (4) · classifier 1.4.0,
  1. ARIN-Issued ARIN-Issued report for 2019-12-26: "Add 15.251.0.0-15.251.255.255" source · retrieved
  2. Transfer log Transfer log: RESOURCE_TRANSFER on 2019-12-26 20:02 UTC, Enterprise Services Latin America Corporation (ARIN) to Amazon Technologies Inc. (ARIN); resources moved: 15.251.0.0/16 source · retrieved
  3. Before ARIN delegated statistics 2019-12-25 (produced 2019-12-25T15:00:14+00:00), before the report: allocated (dated 1994-07-01) source · retrieved
  4. After ARIN delegated statistics 2019-12-27 (produced 2019-12-27T15:00:14+00:00), after the report: allocated (dated 2019-12-26) source · retrieved
Classification history for this change (4 versions)
  1. : Intra-ARIN transfer, confirmed (classifier 1.3.0)
  2. : Intra-ARIN transfer, confirmed (classifier 1.3.1)
  3. : Intra-ARIN transfer, confirmed (classifier 1.3.2)
  4. : Intra-ARIN transfer, confirmed (classifier 1.4.0) current

Changes to overlapping ranges

DateRegistryRangeRecorded asWhat happened
2018-09-14ARIN15.128.0.0/9Transfer logMerger/acquisition
2017-06-07ARIN15.128.0.0/9Transfer logMerger/acquisition

Transfer records (3)

Date (UTC)LogTypeRange movedFromTo
ARINResource transfer15.251.0.0/16 Enterprise Services Latin America Corporation ARINAmazon Technologies Inc. ARIN
ARINMerger acquisition15.128.0.0/9 HEWLETT PACKARD ENTERPRISE COMPANY ARINEnterprise Services Latin America Corporation ARIN
ARINMerger acquisition15.128.0.0/9 Hewlett-Packard Company ARINHEWLETT PACKARD ENTERPRISE COMPANY 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/15.251.0.0-15.251.255.255.json