Data as of Nov 3, 2026
72.5.40.0/24
No anonymizer space · no proxy exits in 30 daysSotheby's Inc. · space held by PF IPV4 Borrower, LLC
IPv4 market
Path
2 · Leased from
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
- Sep 30, 2004Registry recordPF IPV4 Borrower, LLCDirect Allocation72.5.36.0 - 72.5.41.255
- Jan 3, 2006Route objectAS36422 STT Acquisition Intermediate Holdco, Inc.RADB route object for AS36422 STT Acquisition Intermediate Holdco, Inc., maintainer MAINT-AS1828
- Jan 8, 2006– Apr 22, 2009
- May 21, 2009AssignedSotheby'sReassigned72.5.40.0/24
- Jun 1, 2009– Dec 8, 2013
- Dec 15, 2013– Feb 15, 2016
- Feb 22, 2016– today
- Apr 15, 2021– Apr 26, 2021
- Nov 17, 2025Route objectAS397630 Blazing SEO, LLCRADB route object for AS397630 Blazing SEO, LLC, maintainer MAINT-AS1828
- todayLeased fromIPv4.GlobalIP 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.
| Range | Addresses | Netname | Holder | Type | Created | Abuse contact |
|---|---|---|---|---|---|---|
| 72.5.36.0 - 72.5.41.255 | 1,536 | PIHL-4 | PF IPV4 Borrower, LLC (PIHL-4) · US | Direct Allocation | Sep 30, 2004 | [email protected] |
| └ 72.5.40.0/24 | 256 | INAP-NYC-SOTHEBYS-31520 | Sotheby's (C02233209) · US | Reassigned | May 21, 2009 | [email protected] 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
IPv4 market
Holder
- Organization
- PF IPV4 Borrower, LLC
- Handle
- PIHL-4
- Range
- 72.5.36.0 - 72.5.41.255
- Registration type
- Direct Allocation
- Record created
- Sep 30, 2004
Origin network
AS16769
US
- Name
- Sotheby's Inc.
- Type
- Business
- Registered
- Mar 4, 2025
- Domain
- sothebys.com
- Industry
- Retail Stores, Wholesale, and E-commerce Sites
- Spamhaus ASN-DROP
- not listed
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
Whois
Registration for this announcement
- Range
- 72.5.40.0/24
- Netname
- INAP-NYC-SOTHEBYS-31520
- Registrant
- Sotheby's
- Organization
- Sotheby's (C02233209)
- Type
- Reassigned
- Handle
- NET-72-5-40-0-1
- Parent
- NET-72-5-36-0-2
- Created
- May 21, 2009
- RIR
- ARIN
- Country
- US
- Delegated
- Sep 30, 2004
- Status
- assigned
Report abuse
Abuse contact
- [email protected]
- Name
- IP Admin
- Phone
- +1-212-610-5663
- Handle
- IPADM814-ARIN