rirtracker

IPv4 range · 3 prefixes · 2,816 addresses

198.73.5.0 - 198.73.15.255

198.73.5.0/24, 198.73.6.0/23, 198.73.8.0/21

Now

ARIN statistics
Allocated (dated 2016-12-27) (US), in the latest file
Registry
ARIN
Holder
Layer 3 Communications
From
ARIN's latest statistics and the latest transfer record

Latest change

+ Add Intra-ARIN transfer

Reported
2016-12-27 (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.

2016-12-27 ARIN + Add Intra-ARIN transfer Confirmed
ARIN-Issued
Add 198.73.5.0-198.73.15.255
From
Crawford Media Services, Inc ARIN
To
Layer 3 Communications ARIN
Inventory
No effect on ARIN applicant inventory

ARIN's transfer log records a transfer from Crawford Media Services, Inc (ARIN) to Layer 3 Communications (ARIN), recorded as 3 transfer records that together cover exactly this range, on 2016-12-27 19:16 UTC. ARIN-Issued lists it as "Add" because the registration changed hands; it is not a new allocation from ARIN.

Evidence (6) · classifier 1.4.0,
  1. ARIN-Issued ARIN-Issued report for 2016-12-27: "Add 198.73.5.0-198.73.15.255" source · retrieved
  2. Transfer log Transfer log: RESOURCE_TRANSFER on 2016-12-27 19:16 UTC, Crawford Media Services, Inc (ARIN) to Layer 3 Communications (ARIN); resources moved: 198.73.5.0/24 source · retrieved
  3. Transfer log Transfer log: RESOURCE_TRANSFER on 2016-12-27 19:16 UTC, Crawford Media Services, Inc (ARIN) to Layer 3 Communications (ARIN); resources moved: 198.73.6.0/23 source · retrieved
  4. Transfer log Transfer log: RESOURCE_TRANSFER on 2016-12-27 19:16 UTC, Crawford Media Services, Inc (ARIN) to Layer 3 Communications (ARIN); resources moved: 198.73.8.0/21 source · retrieved
  5. Before ARIN delegated statistics 2016-12-26 (produced 2016-12-26T06:09:47+00:00), before the report: assigned (dated 2012-08-21) source · retrieved
  6. After ARIN delegated statistics 2016-12-28 (produced 2016-12-28T06:09:51+00:00), after the report: assigned (dated 2016-12-27) 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
2026-10-14ARIN198.73.5.0/24Transfer logMerger/acquisition
2026-10-14ARIN198.73.6.0/23Transfer logMerger/acquisition
2026-10-14ARIN198.73.8.0/21Transfer logMerger/acquisition
2012-08-21ARIN198.73.0.0/20+ AddApparent new issuance

Transfer records (6)

Date (UTC)LogTypeRange movedFromTo
ARINMerger acquisition198.73.5.0/24 Layer 3 Communications ARINMGT Impact Solutions, LLC ARIN
ARINMerger acquisition198.73.6.0/23 Layer 3 Communications ARINMGT Impact Solutions, LLC ARIN
ARINMerger acquisition198.73.8.0/21 Layer 3 Communications ARINMGT Impact Solutions, LLC ARIN
ARINResource transfer198.73.5.0/24 Crawford Media Services, Inc ARINLayer 3 Communications ARIN
ARINResource transfer198.73.6.0/23 Crawford Media Services, Inc ARINLayer 3 Communications ARIN
ARINResource transfer198.73.8.0/21 Crawford Media Services, Inc ARINLayer 3 Communications 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/198.73.5.0-198.73.15.255.json