rirtracker

IPv4 range · 4 prefixes · 4,352 addresses

204.74.99.0 - 204.74.115.255

204.74.99.0/24, 204.74.100.0/22, 204.74.104.0/21, 204.74.112.0/22

Now

ARIN statistics
Allocated (dated 2022-01-28) (US), in the latest file
Registry
ARIN
Holder
UltraDNS Corporation
From
ARIN's latest statistics and the latest transfer record

Latest change

+ Add Intra-ARIN transfer

Reported
2022-01-28 (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.

2022-01-28 ARIN + Add Intra-ARIN transfer Confirmed
ARIN-Issued
Add 204.74.99.0-204.74.115.255
From
Internet Media Network ARIN
To
UltraDNS Corporation ARIN
Piece of
204.74.64.0/18: the rest of the block stayed with the seller
Inventory
No effect on ARIN applicant inventory

ARIN's transfer log records a transfer from Internet Media Network (ARIN) to UltraDNS Corporation (ARIN), recorded as 17 transfer records that together cover exactly this range, on 2022-01-28 19:53 UTC. ARIN-Issued lists it as "Add" because the registration changed hands; it is not a new allocation from ARIN.

Evidence (20) · classifier 1.4.0,
  1. ARIN-Issued ARIN-Issued report for 2022-01-28: "Add 204.74.99.0-204.74.115.255" source · retrieved
  2. Transfer log Transfer log: RESOURCE_TRANSFER on 2022-01-28 19:53 UTC, Internet Media Network (ARIN) to UltraDNS Corporation (ARIN); resources moved: 204.74.103.0/24 source · retrieved
  3. Transfer log Transfer log: RESOURCE_TRANSFER on 2022-01-28 19:53 UTC, Internet Media Network (ARIN) to UltraDNS Corporation (ARIN); resources moved: 204.74.104.0/24 source · retrieved
  4. Transfer log Transfer log: RESOURCE_TRANSFER on 2022-01-28 19:53 UTC, Internet Media Network (ARIN) to UltraDNS Corporation (ARIN); resources moved: 204.74.107.0/24 source · retrieved
  5. Transfer log Transfer log: RESOURCE_TRANSFER on 2022-01-28 19:53 UTC, Internet Media Network (ARIN) to UltraDNS Corporation (ARIN); resources moved: 204.74.109.0/24 source · retrieved
  6. Transfer log Transfer log: RESOURCE_TRANSFER on 2022-01-28 19:53 UTC, Internet Media Network (ARIN) to UltraDNS Corporation (ARIN); resources moved: 204.74.110.0/24 source · retrieved
  7. Transfer log Transfer log: RESOURCE_TRANSFER on 2022-01-28 19:53 UTC, Internet Media Network (ARIN) to UltraDNS Corporation (ARIN); resources moved: 204.74.114.0/24 source · retrieved
  8. Transfer log Transfer log: RESOURCE_TRANSFER on 2022-01-28 19:53 UTC, Internet Media Network (ARIN) to UltraDNS Corporation (ARIN); resources moved: 204.74.115.0/24 source · retrieved
  9. Transfer log Transfer log: RESOURCE_TRANSFER on 2022-01-28 19:53 UTC, Internet Media Network (ARIN) to UltraDNS Corporation (ARIN); resources moved: 204.74.113.0/24 source · retrieved
  10. Transfer log Transfer log: RESOURCE_TRANSFER on 2022-01-28 19:53 UTC, Internet Media Network (ARIN) to UltraDNS Corporation (ARIN); resources moved: 204.74.112.0/24 source · retrieved
  11. Transfer log Transfer log: RESOURCE_TRANSFER on 2022-01-28 19:53 UTC, Internet Media Network (ARIN) to UltraDNS Corporation (ARIN); resources moved: 204.74.111.0/24 source · retrieved
  12. Transfer log Transfer log: RESOURCE_TRANSFER on 2022-01-28 19:53 UTC, Internet Media Network (ARIN) to UltraDNS Corporation (ARIN); resources moved: 204.74.108.0/24 source · retrieved
  13. Transfer log Transfer log: RESOURCE_TRANSFER on 2022-01-28 19:53 UTC, Internet Media Network (ARIN) to UltraDNS Corporation (ARIN); resources moved: 204.74.106.0/24 source · retrieved
  14. Transfer log Transfer log: RESOURCE_TRANSFER on 2022-01-28 19:53 UTC, Internet Media Network (ARIN) to UltraDNS Corporation (ARIN); resources moved: 204.74.105.0/24 source · retrieved
  15. Transfer log Transfer log: RESOURCE_TRANSFER on 2022-01-28 19:53 UTC, Internet Media Network (ARIN) to UltraDNS Corporation (ARIN); resources moved: 204.74.102.0/24 source · retrieved
  16. Transfer log Transfer log: RESOURCE_TRANSFER on 2022-01-28 19:53 UTC, Internet Media Network (ARIN) to UltraDNS Corporation (ARIN); resources moved: 204.74.99.0/24 source · retrieved
  17. Transfer log Transfer log: RESOURCE_TRANSFER on 2022-01-28 19:53 UTC, Internet Media Network (ARIN) to UltraDNS Corporation (ARIN); resources moved: 204.74.100.0/24 source · retrieved
  18. Transfer log Transfer log: RESOURCE_TRANSFER on 2022-01-28 19:53 UTC, Internet Media Network (ARIN) to UltraDNS Corporation (ARIN); resources moved: 204.74.101.0/24 source · retrieved
  19. Before ARIN delegated statistics 2022-01-27 (produced 2022-01-27T14:00:10+00:00), before the report: allocated (dated 1994-10-26) source · retrieved
  20. After ARIN delegated statistics 2022-01-29 (produced 2022-01-29T14:00:10+00:00), after the report: allocated (dated 2022-01-28) 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
2026-07-20ARIN204.74.100.0/24Transfer logMerger/acquisition
2026-07-20ARIN204.74.102.0/24Transfer logMerger/acquisition
2022-05-26ARIN204.74.99.0/24Transfer logMerger/acquisition
2022-05-26ARIN204.74.100.0/22Transfer logMerger/acquisition
2022-05-26ARIN204.74.104.0/21Transfer logMerger/acquisition
2022-05-26ARIN204.74.112.0/22Transfer logMerger/acquisition

Transfer records (23)

Date (UTC)LogTypeRange movedFromTo
ARINMerger acquisition204.74.100.0/24 Vercara, LLC ARINArbor Cloud ARIN
ARINMerger acquisition204.74.102.0/24 Vercara, LLC ARINArbor Cloud ARIN
ARINMerger acquisition204.74.99.0/24 UltraDNS Corporation ARINNeustar Security Services ARIN
ARINMerger acquisition204.74.100.0/22 UltraDNS Corporation ARINNeustar Security Services ARIN
ARINMerger acquisition204.74.104.0/21 UltraDNS Corporation ARINNeustar Security Services ARIN
ARINMerger acquisition204.74.112.0/22 UltraDNS Corporation ARINNeustar Security Services ARIN
ARINResource transfer204.74.99.0/24 Internet Media Network ARINUltraDNS Corporation ARIN
ARINResource transfer204.74.100.0/24 Internet Media Network ARINUltraDNS Corporation ARIN
ARINResource transfer204.74.101.0/24 Internet Media Network ARINUltraDNS Corporation ARIN
ARINResource transfer204.74.102.0/24 Internet Media Network ARINUltraDNS Corporation ARIN
ARINResource transfer204.74.103.0/24 Internet Media Network ARINUltraDNS Corporation ARIN
ARINResource transfer204.74.104.0/24 Internet Media Network ARINUltraDNS Corporation ARIN
ARINResource transfer204.74.105.0/24 Internet Media Network ARINUltraDNS Corporation ARIN
ARINResource transfer204.74.106.0/24 Internet Media Network ARINUltraDNS Corporation ARIN
ARINResource transfer204.74.107.0/24 Internet Media Network ARINUltraDNS Corporation ARIN
ARINResource transfer204.74.108.0/24 Internet Media Network ARINUltraDNS Corporation ARIN
ARINResource transfer204.74.109.0/24 Internet Media Network ARINUltraDNS Corporation ARIN
ARINResource transfer204.74.110.0/24 Internet Media Network ARINUltraDNS Corporation ARIN
ARINResource transfer204.74.111.0/24 Internet Media Network ARINUltraDNS Corporation ARIN
ARINResource transfer204.74.112.0/24 Internet Media Network ARINUltraDNS Corporation ARIN
ARINResource transfer204.74.113.0/24 Internet Media Network ARINUltraDNS Corporation ARIN
ARINResource transfer204.74.114.0/24 Internet Media Network ARINUltraDNS Corporation ARIN
ARINResource transfer204.74.115.0/24 Internet Media Network ARINUltraDNS 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/204.74.99.0-204.74.115.255.json