rirtracker

IPv4 range · 4,096 addresses

104.243.208.0/20

Now

ARIN statistics
Allocated (dated 2016-08-02), allocated (dated 2016-09-28), allocated (dated 2016-09-29), allocated (dated 2025-07-30) (CA, US), in the latest file
Registry
Not known
Holder
Not looked up

Latest change

+ Add Apparent new issuance

Reported
2014-11-21 (ARIN)
Confidence
Strong inference
Inventory
Likely issued from ARIN-controlled 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.

2014-11-21 ARIN + Add Apparent new issuance Strong inference
ARIN-Issued
Add 104.243.208.0-104.243.223.255
Inventory
Likely issued from ARIN-controlled inventory

No transfer record matches. ARIN's statistics show it available on 2014-11-20 and allocated (dated 2014-11-21) on 2014-11-22. It moved from ARIN's unissued pool to an active registration dated around the report, so it appears to be newly issued by ARIN.

Evidence (3) · classifier 1.4.0,
  1. ARIN-Issued ARIN-Issued report for 2014-11-21: "Add 104.243.208.0-104.243.223.255" source · retrieved
  2. Before ARIN delegated statistics 2014-11-20 (produced 2014-11-20T06:04:22+00:00), before the report: available source · retrieved
  3. After ARIN delegated statistics 2014-11-22 (produced 2014-11-22T06:05:12+00:00), after the report: allocated (dated 2014-11-21) source · retrieved
Classification history for this change (4 versions)
  1. : Apparent reissuance of previously removed resource, strong inference (classifier 1.3.0)
  2. : Apparent reissuance of previously removed resource, strong inference (classifier 1.3.1)
  3. : Apparent new issuance, strong inference (classifier 1.3.2)
  4. : Apparent new issuance, strong inference (classifier 1.4.0) current

Sold in pieces

3 pieces of this block transferred since 2008-12-01, 25% of it so far.

DatePieceWhat happenedFromTo
2016-08-02 104.243.222.0/23Intra-ARIN transfer Sago Networks ARINColumbia Basin Broadband Corporation ARIN
2016-09-28 104.243.221.0/24Intra-ARIN transfer Sago Networks, LLC ARINCloudIP LLC ARIN
2016-09-29 104.243.220.0/24Intra-ARIN transfer Sago Networks, LLC ARINBarchart.com, Inc. ARIN

Changes to overlapping ranges

DateRegistryRangeRecorded asWhat happened
2026-10-27ARIN104.243.222.0/23Transfer logMerger/acquisition
2025-07-30ARIN104.243.221.0/24+ AddIntra-ARIN transfer
2021-08-24ARIN104.243.221.0/24+ AddIntra-ARIN transfer
2016-10-17ARIN104.243.216.0/22Not in ARIN-IssuedTransfer out of ARIN
2016-10-17RIPE NCC104.243.216.0/22Transfer logTransfer into the RIPE NCC
2016-09-29ARIN104.243.220.0/24+ AddIntra-ARIN transfer
2016-09-28ARIN104.243.208.0/21+ AddIntra-ARIN transfer
2016-09-28ARIN104.243.221.0/24+ AddIntra-ARIN transfer
2016-08-02ARIN104.243.222.0/23+ AddIntra-ARIN transfer

Transfer records (9)

Date (UTC)LogTypeRange movedFromTo
ARINMerger acquisition104.243.222.0/23 Columbia Basin Broadband Corporation ARINCity West Cable & Telephone Corp. ARIN
ARINResource transfer104.243.221.0/24 Lindell Management LLC ARINPIN Business Network, Inc. ARIN
ARINResource transfer104.243.221.0/24 CloudIP LLC ARINLindell Management LLC ARIN
RIPE NCCResource transfer104.243.216.0/22 (no name given) ARINViking Host B.V. RIPE NCC
ARINResource transfer104.243.216.0/22 Sago Networks, LLC ARINViking Host B.V. RIPE NCC
ARINResource transfer104.243.220.0/24 Sago Networks, LLC ARINBarchart.com, Inc. ARIN
ARINResource transfer104.243.208.0/21 Sago Networks, LLC ARINCloudIP LLC ARIN
ARINResource transfer104.243.221.0/24 Sago Networks, LLC ARINCloudIP LLC ARIN
ARINResource transfer104.243.222.0/23 Sago Networks ARINColumbia Basin Broadband Corporation 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/104.243.208.0-104.243.223.255.json