Sell IPv4
How to plan a phased exit from IPv4 blocks before sale
How should an IPv4 sale phased exit be planned before transfer? We explain IPv4 sale phased exit through migration phases, decommissioning, dependency removal, route withdrawal and traffic migration — in the article by IPv4 Online.
Lukas Brandt
September 3, 2026
4 min read
How to prepare an IPv4 block for buyer onboarding after a sale agreement
How should IPv4 buyer onboarding preparation begin after a sale agreement? We cover IPv4 buyer onboarding preparation through routing, RIR, registry and route handover, documentation and transfer onboarding — in the article by IPv4 Online.
Philippe Girard
September 3, 2026
4 min read
What stakeholders should be involved before an IPv4 sale decision
Which IPv4 sale decision stakeholders should be involved before approval? We review IPv4 sale decision stakeholders across finance, legal, network, security, compliance and executive approval — in the article by IPv4 Online.
Philippe Girard
September 3, 2026
5 min read
Why companies should clean up internal IP documentation before selling IPv4
Why does IPv4 sale documentation cleanup matter before selling a block? We examine IPv4 sale documentation cleanup across records, IPAM, inventory, ownership, allocation, assignment and the asset register — in the article by IPv4 Online.
Marek Dvořák
September 3, 2026
4 min read
How to decide which IPv4 blocks are no longer strategic for the business
How do companies decide which IPv4 blocks are no longer strategic? We review nonstrategic IPv4 block criteria, business dependencies, future needs, reserve capacity, disposal rules and growth forecasts — in the article by IPv4 Online.
Lukas Brandt
July 16, 2026
3 min read
What companies should review internally before selling IPv4 address space
What should companies review before selling IPv4 address space? We cover IPv4 sale readiness, ownership, approval, registry records, production dependencies, transfer risks, legal documents and utilization — in the article by IPv4 Online.
Lukas Brandt
July 16, 2026
3 min read
What network teams should check before removing a sold IPv4 range from production
What should network teams check before removing sold IPv4 from production? We cover sold IPv4 decommission checklist, dependencies, traffic validation, route withdrawal, DNS, firewalls, monitoring and rollback — in the article by IPv4 Online.
Marek Dvořák
July 16, 2026
3 min read
Why IPv4 sellers need a service continuity plan before transferring address space
Why is a service continuity plan necessary before an IPv4 transfer? We explain IPv4 transfer continuity planning, dependency mapping, replacement, cutover, traffic migration, rollback, DNS and outage prevention — in the article by IPv4 Online.
Philippe Girard
July 16, 2026
3 min read
Private Equity Enters IPv4: Investment Funds Buying Large IPv4 Portfolios
Private equity ipv4 and ipv4 investment. How investment funds are treating IPv4 as an asset class and what it means for the market.
Lukas Brandt
May 22, 2025
2 min read
Meta's IPv6-Only Data Centers: Impact on IPv4 Supply and Demand
Meta's IPv6-only data center strategy and its impact on IPv4 supply and demand—when selling makes sense for holders.
Marek Dvořák
November 11, 2024
3 min read
Meta Reports 70% IPv6 Traffic: What's Still IPv4-Only and Why
Meta's 70% IPv6 traffic milestone: what traffic remains on IPv4 and when selling makes sense for holders.
Marek Dvořák
October 8, 2024
2 min read
Lumen Technologies Sells IPv4 Blocks Worth Hundreds of Millions
Lumen sold a large IPv4 portfolio in 2023. What the deal involved and what it means for the market and for large holders.
Lukas Brandt
August 9, 2023
3 min read
IPv4 Due Diligence: How to Verify Ownership and Avoid Fraud
Complete due diligence guide for IPv4 transactions: how to verify ownership, validate LOAs, check reputation, and complete RIR transfers safely.
Lukas Brandt
September 14, 2022
4 min read
Complete Guide to IPv4 Transfer Processes: ARIN, RIPE, and APNIC
Evergreen guide: how IPv4 transfers work at ARIN, RIPE, and APNIC and what sellers need to complete a transfer.
Philippe Girard
August 10, 2022
4 min read