IPv4 Knowledge Base

Your comprehensive resource for everything IPv4. Expert guides, community insights, and technical documentation to help you navigate the IPv4 market with confidence.

Most Helpful Articles

Complete Beginner's Guide to the IPv4 Address Market
342 found helpful
28 comments
Step-by-Step: How to Buy IPv4 Addresses Through IPv4 Depot
289 found helpful
22 comments
ARIN Transfer Process: Complete Guide
267 found helpful
21 comments
IPv4 vs IPv6: Understanding the Differences and Why Both Matter
256 found helpful
15 comments
ARIN Pre-Approval: What It Is and How to Get It Fast
234 found helpful
19 comments

Articles

Complete Beginner's Guide to the IPv4 Address Market

New to IPv4 trading? This comprehensive guide covers everything from what IPv4 addresses are to how the secondary market works, who the key players are, and how to make your first transaction.

342 found helpful
28 comments

Step-by-Step: How to Buy IPv4 Addresses Through IPv4 Depot

A complete walkthrough of the IPv4 purchasing process, from initial consultation to WHOIS record updates, with tips for first-time buyers.

289 found helpful
22 comments

ARIN Transfer Process: Complete Guide

Detailed walkthrough of the ARIN IPv4 transfer process, including pre-approval, documentation, timelines, and common issues.

267 found helpful
21 comments

IPv4 vs IPv6: Understanding the Differences and Why Both Matter

A detailed comparison of IPv4 and IPv6 protocols, their technical differences, adoption rates, and why organizations still need IPv4 addresses even as IPv6 grows.

256 found helpful
15 comments

ARIN Pre-Approval: What It Is and How to Get It Fast

Everything you need to know about the ARIN pre-approval process, including documentation requirements, common pitfalls, and how IPv4 Depot can expedite your application.

234 found helpful
19 comments

Avoiding IPv4 Scams: Red Flags and Best Practices

How to identify and avoid common IPv4 market scams, including fake listings, unauthorized sellers, and fraudulent transfer attempts.

234 found helpful
20 comments

Mobile Proxy Networks: Complete Technical Overview

Deep dive into how mobile proxy networks work, their advantages over datacenter proxies, and legitimate business use cases.

223 found helpful
18 comments

How to Sell Your Unused IPv4 Addresses for Maximum Value

Expert strategies for pricing, timing, and marketing your IPv4 address blocks to achieve the best possible sale price.

212 found helpful
16 comments

Understanding CIDR Notation and Subnet Masks

Master CIDR notation, subnet masks, and IP address calculations. Essential knowledge for anyone working with IPv4 address blocks.

198 found helpful
12 comments

How to Evaluate IPv4 Block Quality Before Purchase

Learn how to assess IP block reputation, check blacklists, verify ownership history, and ensure you're getting clean addresses.

198 found helpful
14 comments

RIPE NCC Transfer Process: What You Need to Know

Guide to transferring IPv4 addresses within the RIPE NCC region, including policy requirements, documentation, and timelines.

198 found helpful
15 comments

Escrow Payment Protection: How Your Transaction Is Secured

Detailed explanation of how escrow payment protection works in IPv4 transactions, including the role of the escrow agent and dispute resolution.

198 found helpful
10 comments

Understanding IPv4 Market Valuations and Pricing Trends

Analysis of current IPv4 market pricing, historical trends, and factors that influence block valuations across different registries.

189 found helpful
13 comments

IP Reputation Management: Keeping Your Addresses Clean

Strategies for monitoring and maintaining the reputation of your IPv4 addresses, including blacklist monitoring, abuse handling, and preventive measures.

189 found helpful
14 comments

Post-Transfer Checklist: What to Do After Receiving IPv4 Addresses

Essential steps to take after your IPv4 transfer is complete, including RPKI/ROA setup, BGP announcements, and reputation monitoring.

178 found helpful
12 comments

Glossary of IPv4 Market Terms

A comprehensive glossary of terms used in the IPv4 address market, from ARIN to WHOIS, RIR to ROA, and everything in between.

175 found helpful
8 comments

IPv4 Leasing vs. Buying: Which Option Is Right for Your Business?

A detailed comparison of leasing and buying IPv4 addresses, including cost analysis, use cases, and decision framework.

167 found helpful
11 comments

Hosted VM Solutions: Getting Started Guide

How to set up and configure your hosted VM with cellular network connectivity, including VM selection, IP rotation setup, and optimization tips.

167 found helpful
11 comments

Due Diligence in IPv4 Transactions: What to Verify

Comprehensive guide to performing due diligence before an IPv4 transaction, including ownership verification, lien checks, and reputation assessment.

167 found helpful
12 comments

Preparing Your IPv4 Block for Sale: Checklist

A comprehensive checklist for preparing your IPv4 address block for sale, including reputation cleanup, documentation, and registry requirements.

156 found helpful
9 comments

RPKI and ROA: Securing Your IPv4 Address Space

Technical guide to Resource Public Key Infrastructure (RPKI) and Route Origin Authorization (ROA) for protecting your IP addresses from hijacking.

156 found helpful
8 comments

Inter-RIR Transfers: Moving IPv4 Across Regions

How to transfer IPv4 addresses between different Regional Internet Registries (e.g., ARIN to APNIC), including policies and requirements.

145 found helpful
10 comments

Use Cases: Ad Verification, SEO Monitoring, and Market Research with Mobile IPs

Real-world examples of how businesses use mobile proxy and VM solutions for ad verification, SEO monitoring, competitive intelligence, and more.

145 found helpful
9 comments

BGP Routing Best Practices for Newly Acquired IPv4 Blocks

How to properly announce your new IPv4 addresses via BGP, including prefix configuration, upstream provider coordination, and monitoring.

134 found helpful
7 comments