rirtracker

IPv4 range · 4,096 addresses

104.143.0.0/20

Now

ARIN statistics
Allocated (dated 2014-06-30), allocated (dated 2018-03-02), allocated (dated 2019-09-13), allocated (dated 2020-10-07), allocated (dated 2021-04-29), allocated (dated 2021-12-17) (CA, US), in the latest file
Registry
Not known
Holder
Not looked up

Latest change

+ Add Apparent new issuance

Reported
2014-06-30 (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.

2014-06-30 ARIN + Add Apparent new issuance Strong inference
ARIN-Issued
Add 104.143.0.0-104.143.15.255
Inventory
Likely issued from ARIN-controlled inventory

No transfer record matches. ARIN's statistics show it available on 2014-06-29 and allocated (dated 2014-06-30) on 2014-07-01. 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 2014-06-30: "Add 104.143.0.0-104.143.15.255" source · retrieved
  2. Before ARIN delegated statistics 2014-06-29 (produced 2014-06-29T05:04:36+00:00), before the report: available source · retrieved
  3. After ARIN delegated statistics 2014-07-01 (produced 2014-07-01T05:03:43+00:00), after the report: allocated (dated 2014-06-30) 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

4 pieces of this block transferred since 2008-12-01, 69% of it so far.

DatePieceWhat happenedFromTo
2018-03-02 104.143.4.0/22Intra-ARIN transfer Versaweb, LLC ARINUNITED TELEPORTS, INC. ARIN
2019-09-13 104.143.12.0/22Intra-ARIN transfer Versaweb, LLC ARINPlatform9 ARIN
2020-10-07 104.143.2.0/23Intra-ARIN transfer VegasNAP, LLC ARINGameserverkings ARIN
2021-04-29 104.143.9.0/24Intra-ARIN transfer VegasNAP, LLC ARINThe Producers, Inc. ARIN

Changes to overlapping ranges

DateRegistryRangeRecorded asWhat happened
2025-09-22ARIN104.143.0.0/23Not in ARIN-IssuedTransfer out of ARIN
2025-09-22RIPE NCC104.143.0.0/23Transfer logTransfer into the RIPE NCC
2021-12-17ARIN104.143.8.0/24+ AddIntra-ARIN transfer
2021-07-01ARIN104.143.8.0/24+ AddIntra-ARIN transfer
2021-06-23ARIN104.143.8.0/24+ AddIntra-ARIN transfer
2021-04-29ARIN104.143.9.0/24+ AddIntra-ARIN transfer
2020-10-07ARIN104.143.2.0/23+ AddIntra-ARIN transfer
2020-03-24ARIN104.143.0.0/22Transfer logMerger/acquisition
2020-03-24ARIN104.143.8.0/22Transfer logMerger/acquisition
2019-09-13ARIN104.143.12.0/22+ AddIntra-ARIN transfer
2018-03-02ARIN104.143.4.0/22+ AddIntra-ARIN transfer

Transfer records (11)

Date (UTC)LogTypeRange movedFromTo
RIPE NCCResource transfer104.143.0.0/23 (no name given) ARINHohl IT e.U. RIPE NCC
ARINResource transfer104.143.0.0/23 VegasNAP, LLC ARIN Hohl IT e.U. RIPE NCC
ARINResource transfer104.143.8.0/24 VegasNAP, LLC ARINSiteaction ARIN
ARINResource transfer104.143.8.0/24 Classic Vacations, LLC ARINVegasNAP, LLC ARIN
ARINResource transfer104.143.8.0/24 VegasNAP, LLC ARINClassic Vacations, LLC ARIN
ARINResource transfer104.143.9.0/24 VegasNAP, LLC ARINThe Producers, Inc. ARIN
ARINResource transfer104.143.2.0/23 VegasNAP, LLC ARINGameserverkings ARIN
ARINMerger acquisition104.143.0.0/22 Versaweb, LLC ARINVegasNAP, LLC ARIN
ARINMerger acquisition104.143.8.0/22 Versaweb, LLC ARINVegasNAP, LLC ARIN
ARINResource transfer104.143.12.0/22 Versaweb, LLC ARINPlatform9 ARIN
ARINResource transfer104.143.4.0/22 Versaweb, LLC ARINUNITED TELEPORTS, 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/104.143.0.0-104.143.15.255.json