Data as of Nov 11, 2026

72.5.40.0/24

No anonymizer space · no proxy exits in 30 days

Sotheby's Inc. · space held by PF IPV4 Borrower, LLC

Announcement
this exact prefix
No RPKI
Announced by
Type
Business
Risk
0 / 100 · Low
IPv4 market

Path

1 · Holder
record created Sep 30, 2004
2 · Leased from
3 · Announced by
AS16769 Sotheby's Inc.
since Feb 2016 · 10.7 yr ago
4 · Use
Business

Lineage

How this block came to its use, oldest first. The whole IPv4 market →

72.5.40.0/24

From the registry to its use

  1. Sep 30, 2004
    Registry record
    PF IPV4 Borrower, LLC
    Direct Allocation
    72.5.36.0 - 72.5.41.255
  2. Jan 3, 2006
    Route object
    AS36422 STT Acquisition Intermediate Holdco, Inc.
    RADB route object for AS36422 STT Acquisition Intermediate Holdco, Inc., maintainer MAINT-AS1828
  3. Jan 8, 2006– Apr 22, 2009
    Announced
    AS36422 STT Acquisition Intermediate Holdco, Inc.
    Business
  4. May 21, 2009
    Assigned
    Sotheby's
    Reassigned
    72.5.40.0/24
  5. Jun 1, 2009– Dec 8, 2013
    Announced
    AS16769 Sotheby's Inc.
    Business
  6. Dec 15, 2013– Feb 15, 2016
    Announced
    AS7046 Verizon Business
    Internet provider
  7. Feb 22, 2016– today
    Announced
    AS16769 Sotheby's Inc.
    Business
  8. Apr 15, 2021– Apr 26, 2021
    Announced
    AS7046 Verizon Business
    Internet provider
  9. Nov 17, 2025
    Route object
    AS397630 Blazing SEO, LLC
    RADB route object for AS397630 Blazing SEO, LLC, maintainer MAINT-AS1828
  10. today
    Leased from
    IPv4.Global
    IP broker

Registrations in this block

The registry's network records over the announcement: those covering it, widest first, then every record inside it, under its parent.

RangeAddressesNetnameHolderTypeCreatedAbuse contact
72.5.36.0 - 72.5.41.2551,536PIHL-4PF IPV4 Borrower, LLC (PIHL-4) · USDirect AllocationSep 30, 2004ipinfo@hilcostreambank.com
└ 72.5.40.0/24256INAP-NYC-SOTHEBYS-31520Sotheby's (C02233209) · USReassignedMay 21, 2009ipinfo@hilcostreambank.com
via PIHL-4

A contact marked “via” is the registry's: the record names none of its own, so the registry hands down its parent's.

Network & registry

Routing timeline

Who has announced this prefix

Summary

Routing history

Pattern
Stable
First seen
Jan 2006
Current origin since
Feb 2016 · 11 yr
Origin networks
3
Last change of origin
Apr 2021
Recorded history

History

Handoffs
4