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IPv4 Depot

Buy, sell & lease IPv4 addresses — ARIN-approved facilitator

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Founded 2017 · Scottsdale, Arizona · 1-50 employees · Private, independent

Partnership Overview

Who IPv4 Depot is built for

ISPs, hosting/cloud providers, telecoms and enterprises needing to acquire, lease or monetize IPv4 address space with guaranteed RIR compliance and clean (non-blacklisted) IP reputation

IPv4 Depot is an ARIN-approved IPv4 address facilitator that helps enterprises buy, sell, lease and transfer IPv4 address blocks globally across the ARIN, RIPE, APNIC and LACNIC regions. Registered on ARIN's Specified Transfer Listing Service (STLS), it offers full-service brokerage — purchases, sales, leases and transfers — with transparent pricing, fast delivery and compliance. A key differentiator is its proprietary blacklist-detection system that automatically screens every address against 100+ global blacklists (Spamhaus, Barracuda, SORBS) to ensure clean, deployable IP space.

  • VerifiedSep 10, 2026 · high confidence
  • 3solutions across 1 category
  • 9 yrsin business, since 2017
  • 1-50employees

Why teams pick IPv4 Depot

  • ARIN-approved facilitator (STLS-listed) with multi-region reach (ARIN/RIPE/APNIC/LACNIC)
  • proprietary automated blacklist detection across 100+ lists for clean IP space
  • transparent, no-surprises pricing & fast delivery
  • both buy and lease options

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Recognition & proof points

  • ARIN-recognized Qualified Facilitator (successor to ARIN's retired Specified Transfer Listing Service) and APNIC-regis…Certification

Notable clients

Vendor-reported

Named clients not disclosed serves ISPs, hosting/cloud providers, telecoms and enterprises needing IPv4 address space.

Our Solutions

Rubber Duck solutions through IPv4 Depot

From first evaluation to day-to-day operations, Rubber Duck Technology helps you get full value from IPv4 Depot's Connectivity & SASE solutions. We fit them to the systems you already run, remove overlap, and give you a clear view of how they perform, so your team can move faster with fewer surprises.

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Connectivity & SASE

IPv4 Brokerage

IPv4 Depot is an ARIN-approved facilitator that helps enterprises buy, sell, and transfer IPv4 address blocks globally across the ARIN, RIPE, APNIC, and LACNIC regions.

  • ARIN-approved facilitator Listed on ARIN's Specified Transfer Listing Service (STLS) with multi-region reach.
  • Clean IP screening Proprietary blacklist detection screens addresses across 100+ global lists for deployable space.
  • Transparent pricing No-surprises pricing with fast delivery on purchases and sales.

IPv4 Leasing

IPv4 Depot offers short- and long-term IPv4 address leasing with lease structuring for enterprises that need address space without purchasing it.

  • Buy or lease Both purchase and lease options give enterprises flexible ways to obtain IP space.
  • Reputation-screened Leased blocks are screened against 100+ blacklists for clean, deployable space.

IP Address Management

IPv4 Depot handles RIR pre-approval, compliance, and transfer facilitation across ARIN, RIPE, APNIC, and LACNIC, plus IP reputation screening for managed address space.

  • Multi-region expertise Transfer and compliance handling spans ARIN, RIPE, APNIC, and LACNIC.
  • Reputation screening Automated blacklist detection across 100+ lists keeps managed space clean.

How IPv4 Depot delivers

Strategy & Consulting

Full-service brokerage/facilitation: RIR pre-approval and transfer-compliance handling, lease administration, and automated IP reputation/blacklist screening (100+ lists) to ensure clean, deployable space. (vendor-reported)

Services in detail

  • BrokerageDelivered as facilitated, escrow-style transactions with RIR transfer handling and fast delivery.
  • Consulting / AdvisoryDelivered as advisory engagements covering sourcing, lease structuring, and registry compliance.
  • IP ManagementDelivered as ongoing lease administration, compliance handling, and automated reputation screening.

Case Studies

What backs it up

Case studies

No published case studies yet.

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Technology that doesn't sink under pressure

Talk it through before you sign.

Send us what you run today. We'll price IPv4 Depot against two alternatives and tell you which one we'd pick, and why.