rirtracker

IPv4 range · 8,192 addresses

138.128.224.0/19

Now

ARIN statistics
Allocated (dated 2016-09-30), allocated (dated 2016-10-20), allocated (dated 2017-03-24), allocated (dated 2017-04-07), allocated (dated 2017-04-26), allocated (dated 2018-02-22) (US), in the latest file
Registry
Not known
Holder
Not looked up

Latest change

+ Add Apparent new issuance

Reported
2015-04-13 (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.

2015-04-13 ARIN + Add Apparent new issuance Strong inference
ARIN-Issued
Add 138.128.224.0-138.128.255.255
Inventory
Likely issued from ARIN-controlled inventory

No transfer record matches. ARIN's statistics show it available on 2015-04-12 and allocated (dated 2015-04-13) on 2015-04-14. 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 2015-04-13: "Add 138.128.224.0-138.128.255.255" source · retrieved
  2. Before ARIN delegated statistics 2015-04-12 (produced 2015-04-12T05:04:17+00:00), before the report: available source · retrieved
  3. After ARIN delegated statistics 2015-04-14 (produced 2015-04-14T05:04:32+00:00), after the report: allocated (dated 2015-04-13) 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 reissuance of previously removed resource, 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, 44% of it so far.

DatePieceWhat happenedFromTo
2016-09-30 138.128.252.0/22Intra-ARIN transfer IP Systems Limited ARINSRDF, Inc. ARIN
2016-10-20 138.128.232.0/21Intra-ARIN transfer IP Systems Limited ARINVision Broadband, Llc ARIN
2017-04-26 138.128.230.0/23Intra-ARIN transfer IP Systems Limited ARINNight Owl Wireless, LLC ARIN

Changes to overlapping ranges

DateRegistryRangeRecorded asWhat happened
2023-08-15ARIN138.128.224.0/22Not in ARIN-IssuedTransfer out of ARIN
2023-08-15RIPE NCC138.128.224.0/22Transfer logTransfer into the RIPE NCC
2018-04-06ARIN138.128.224.0/22+ AddIntra-ARIN transfer
2018-02-22ARIN138.128.228.0/23+ AddIntra-ARIN transfer
2017-11-07ARIN138.128.232.0/21Transfer logMerger/acquisition
2017-04-26ARIN138.128.230.0/23+ AddIntra-ARIN transfer
2017-04-07ARIN138.128.248.0/22+ AddIntra-ARIN transfer
2017-03-24ARIN138.128.240.0/21+ AddIntra-ARIN transfer
2016-10-20ARIN138.128.232.0/21+ AddIntra-ARIN transfer
2016-09-30ARIN138.128.252.0/22+ AddIntra-ARIN transfer
2009-09-14ARIN138.128.130.0 - 138.128.255.255− RemoveUnresolved

Transfer records (10)

Date (UTC)LogTypeRange movedFromTo
RIPE NCCResource transfer138.128.224.0/22 (no name given) ARINNetConnect Innovations LLC RIPE NCC
ARINResource transfer138.128.224.0/22 Sender Matrix LLC ARINNetConnect Innovations LLC RIPE NCC
ARINResource transfer138.128.224.0/22 IP Systems Limited ARINSender Matrix LLC ARIN
ARINResource transfer138.128.228.0/23 IP Systems Limited ARINTelespace, LLC ARIN
ARINMerger acquisition138.128.232.0/21 Vision Broadband, Llc ARINSecom, Inc ARIN
ARINResource transfer138.128.230.0/23 IP Systems Limited ARINNight Owl Wireless, LLC ARIN
ARINResource transfer138.128.248.0/22 IP Systems Limited ARINTeam Industrial Services, Inc. ARIN
ARINResource transfer138.128.240.0/21 IP Systems Limited ARINKamatera, Inc. ARIN
ARINResource transfer138.128.232.0/21 IP Systems Limited ARINVision Broadband, Llc ARIN
ARINResource transfer138.128.252.0/22 IP Systems Limited ARINSRDF, 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/138.128.224.0-138.128.255.255.json