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Insights

Market Niche Addrex operates a specialized neutral platform for buying and selling IPv4 number blocks with a double-blind marketplace, suggesting sales opportunities in legacy asset markets and corporate IT reallocations.

Buyer Network Access to over 300 vetted buyers on the Addrex Marketplace presents a ready-made channel for outbound outreach to institutional buyers, brokers, and end users seeking IPv4 assets.

Revenue Target Revenue range of 1M to 10M with modest funding indicates a lean, scalable operation where targeted outreach to mid-market buyers and sellers could yield incremental deals and higher take rates.

Security Advantage Emphasis on escrow, standard legal agreements, and neutral third-party facilitation highlights a trust-based selling point to risk-averse enterprises considering IPv4 asset transfers.

Growth Signals Established since 2009 with a landmark sale in 2011 and continuous 24/7 marketplace availability signals potential for expansion into adjacent IP asset classes or expanded geographic coverage for buyers and sellers.

Similar companies to Addrex, Inc.

Addrex, Inc. Tech Stack

Addrex, Inc. uses 8 technology products and services including WordPress, Segment, oEmbed, and more. Explore Addrex, Inc.'s tech stack below.

  • WordPress
    Content Management System
  • Segment
    Customer Data Platforms
  • oEmbed
    Dev Tools
  • Really Simple Discovery
    Miscellaneous
  • jQuery Mobile
    Mobile Frameworks
  • Cloudflare Bot Management
    Security
  • Contact Form 7
    Web Platform Extensions

Addrex, Inc.'s Email Address Formats

Addrex, Inc. uses at least 4 email formats:
Addrex, Inc. Email FormatsExamplePercentage
First.Last@addrex.netJohn.Doe@addrex.net
79%
First@addrex.netJohn@addrex.net
11%
Last@addrex.netDoe@addrex.net
7%
LastF@addrex.netDoeJ@addrex.net
3%

Frequently Asked Questions

What is Addrex, Inc.'s phone number?

Minus sign iconPlus sign icon You can contact Addrex, Inc.'s main corporate office by phone at
+1-703-436-****
. For more prospecting data, LeadIQ has access to up-to-date and accurate contact information within our platform. Find, capture, and sync contact data to your CRM and sales tools in one click.

What is Addrex, Inc.'s official website and social media links?

Minus sign iconPlus sign iconAddrex, Inc.'s official website is addrex.net and has social profiles on LinkedIn and Crunchbase.

How much revenue does Addrex, Inc. generate?

Minus sign iconPlus sign icon As of July 2026, Addrex, Inc.'s annual revenue is estimated to be $1M - $10M.

What is Addrex, Inc.'s SIC code and NAICS code?

Minus sign iconPlus sign iconAddrex, Inc.'s SIC code is 7378 - Computer Maintenance and Repair and NAICS code is 5415 - Computer Systems Design and Related Services.

How many employees does Addrex, Inc. have currently?

Minus sign iconPlus sign iconAs of July 2026, Addrex, Inc. has approximately 8 employees across 1 continents, including North America. Key team members include Vice President, Data Intelligence: S. V., Technical Lead: E. K. and Principal: J. K. Explore Addrex, Inc.'s employee directory with LeadIQ.

What industry does Addrex, Inc. belong to?

Minus sign iconPlus sign iconAddrex, Inc. operates in the Technology, Information and Internet industry.

What technology does Addrex, Inc. use?

Minus sign iconPlus sign iconAddrex, Inc.'s tech stack includes WordPress, Segment, oEmbed, Microsoft 365, Really Simple Discovery, jQuery Mobile, Cloudflare Bot Management and Contact Form 7.

What is Addrex, Inc.'s email format?

Minus sign iconPlus sign iconAddrex, Inc.'s email format typically follows the pattern of First.Last@addrex.net. Find more Addrex, Inc. email formats with LeadIQ.

How much funding has Addrex, Inc. raised to date?

Minus sign iconPlus sign icon As of July 2026, Addrex, Inc. has raised $3.3M in funding. The last funding round occurred on Nov 01, 2011 for $3.3M.

When was Addrex, Inc. founded?

Minus sign iconPlus sign iconAddrex, Inc. was founded in 2009.
Addrex, Inc. logo

Addrex, Inc.

Technology, Information and InternetVirginia, United States2-10 Employees

Addrex, Inc. operates in the technology, information, and internet sector with a focus on the secondary market for IPv4 number assets. The company positions itself as a neutral facilitator in a double-blind marketplace that connects qualified sellers with a broad base of vetted buyers, leveraging standardized legal agreements and escrow services to support secure transactions. Its primary offering, the Addrex Marketplace, enables around-the-clock online trading of IPv4 blocks, aiming to provide a safe and efficient channel for participants to complete transfers.

Headquartered in Herndon, Virginia, Addrex was founded in 2009 to foster this niche market and has its origins tied to brokering the first legal sale of IPv4 number blocks in a 2011 Microsoft–Nortel deal. The marketplace serves organizations seeking IPv4 assets and those looking to sell, with a focus on protecting buyer and seller identities through the closing process. The company operates within the broader technology, information, and internet industry and maintains a global reach through its online platform.

Section iconCompany Overview

Phone number
+1-703-436-****
Website
addrex.net
SIC Code
7378 - Computer Maintenance and Repair
NAICS Code
5415 - Computer Systems Design and Related Services
Founded
2009
Employees
2-10

Section iconFunding & Financials

  • $3.3M

    Addrex, Inc. has raised a total of $3.3M of funding over 1 rounds. Their latest funding round was raised on Nov 01, 2011 in the amount of $3.3M as a Seed.

  • $1M - $10M

    Addrex, Inc.'s revenue is estimated to be in the range of $1M - $10M

Company Leadership

  • Vice President, Data Intelligence at Addrex, Inc.
    S. V.
    Vice President, Data Intelligence
    Mobile Phone
  • Technical Lead at Addrex, Inc.
    E. K.
    Technical Lead
    Mobile Phone
  • Principal at Addrex, Inc.
    J. K.
    Principal
    Mobile Phone
  • Principal at Addrex, Inc.
    L. B.
    Principal
    Mobile Phone
  • Sales And Marketing Executive at Addrex, Inc.
    P. C.
    Sales And Marketing Executive
    Mobile Phone

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