rirtracker

IPv4 range · 3 prefixes · 1,280 addresses

193.149.166.0 - 193.149.170.255

193.149.166.0/23, 193.149.168.0/23, 193.149.170.0/24

Now

ARIN statistics
Allocated (dated 2021-09-07), allocated (dated 2021-09-15), allocated (dated 2021-10-11) (CA, US), in the latest file
Registry
Not known
Holder
Not looked up

Latest change

+ Add Inter-RIR transfer into ARIN

Reported
2021-06-16 (ARIN)
Confidence
Confirmed
Inventory
Transferred into ARIN administration; not a new issuance

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.

2021-06-16 ARIN + Add Inter-RIR transfer into ARIN Confirmed
ARIN-Issued
Add 193.149.166.0-193.149.170.255
From
DUPONT NUTRITION BIOSCIENCES ApS RIPE NCC
To
DuPont Specialty Products USA LLC ARIN
Same transfer
Also a change at the RIPE NCC, the sending registry: RIPE NCC, 2021-06-16. Lists that cover every registry show it there.
Inventory
Transferred into ARIN administration; not a new issuance

ARIN's transfer log records a transfer from DUPONT NUTRITION BIOSCIENCES ApS (RIPE NCC) to DuPont Specialty Products USA LLC (ARIN), recorded as 3 transfer records that together cover exactly this range, on 2021-06-16 14:19 UTC: it came to ARIN from the RIPE NCC. It was already issued by another registry, so this is not a new issuance.

Evidence (6) · classifier 1.4.0,
  1. ARIN-Issued ARIN-Issued report for 2021-06-16: "Add 193.149.166.0-193.149.170.255" source · retrieved
  2. Transfer log Transfer log: RESOURCE_TRANSFER on 2021-06-16 14:19 UTC, DUPONT NUTRITION BIOSCIENCES ApS (RIPE NCC) to DuPont Specialty Products USA LLC (ARIN); resources moved: 193.149.166.0/23 source · retrieved
  3. Transfer log Transfer log: RESOURCE_TRANSFER on 2021-06-16 14:19 UTC, DUPONT NUTRITION BIOSCIENCES ApS (RIPE NCC) to DuPont Specialty Products USA LLC (ARIN); resources moved: 193.149.168.0/23 source · retrieved
  4. Transfer log Transfer log: RESOURCE_TRANSFER on 2021-06-16 14:19 UTC, DUPONT NUTRITION BIOSCIENCES ApS (RIPE NCC) to DuPont Specialty Products USA LLC (ARIN); resources moved: 193.149.170.0/24 source · retrieved
  5. Before ARIN delegated statistics 2021-06-15 (produced 2021-06-15T14:00:13+00:00), before the report: not listed source · retrieved
  6. After ARIN delegated statistics 2021-06-17 (produced 2021-06-17T14:00:13+00:00), after the report: assigned (dated 2021-06-16) source · retrieved
Classification history for this change (4 versions)
  1. : Inter-RIR transfer into ARIN, confirmed (classifier 1.3.0)
  2. : Inter-RIR transfer into ARIN, confirmed (classifier 1.3.1)
  3. : Inter-RIR transfer into ARIN, confirmed (classifier 1.3.2)
  4. : Inter-RIR transfer into ARIN, confirmed (classifier 1.4.0) current

Changes to overlapping ranges

DateRegistryRangeRecorded asWhat happened
2021-10-11ARIN193.149.170.0/24+ AddIntra-ARIN transfer
2021-09-15APNIC193.149.166.0/23Transfer logTransfer into APNIC
2021-09-15ARIN193.149.168.0/24+ AddIntra-ARIN transfer
2021-09-14ARIN193.149.166.0/23Not in ARIN-IssuedTransfer out of ARIN
2021-09-07ARIN193.149.169.0/24+ AddIntra-ARIN transfer
2021-06-16RIPE NCC193.149.166.0/23Transfer logTransfer out of the RIPE NCC
2021-06-16RIPE NCC193.149.168.0/23Transfer logTransfer out of the RIPE NCC
2021-06-16RIPE NCC193.149.170.0/24Transfer logTransfer out of the RIPE NCC

Transfer records (11)

Date (UTC)LogTypeRange movedFromTo
ARINResource transfer193.149.170.0/24 DuPont Specialty Products USA LLC ARIN832 Communications, LLC ARIN
ARINResource transfer193.149.168.0/24 DuPont Specialty Products USA LLC ARINGood Deal Development, LLC ARIN
ARINResource transfer193.149.166.0/23 DuPont Specialty Products USA LLC ARINNC Taiwan Co., Ltd. APNIC
APNICResource transfer193.149.166.0/23 DSPUL-1 ARINNC Taiwan Co., Ltd. APNIC
ARINResource transfer193.149.169.0/24 DuPont Specialty Products USA LLC ARINCoextro ARIN
RIPE NCCResource transfer193.149.166.0/23 DUPONT NUTRITION BIOSCIENCES ApS RIPE NCC(no name given) ARIN
RIPE NCCResource transfer193.149.168.0/23 DUPONT NUTRITION BIOSCIENCES ApS RIPE NCC(no name given) ARIN
RIPE NCCResource transfer193.149.170.0/24 DUPONT NUTRITION BIOSCIENCES ApS RIPE NCC(no name given) ARIN
ARINResource transfer193.149.166.0/23 DUPONT NUTRITION BIOSCIENCES ApS RIPE NCCDuPont Specialty Products USA LLC ARIN
ARINResource transfer193.149.168.0/23 DUPONT NUTRITION BIOSCIENCES ApS RIPE NCCDuPont Specialty Products USA LLC ARIN
ARINResource transfer193.149.170.0/24 DUPONT NUTRITION BIOSCIENCES ApS RIPE NCCDuPont Specialty Products USA LLC 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/193.149.166.0-193.149.170.255.json