Savvas Bout founded Prefixx in 2018 to make IPv4 transfers and leasing straightforward for the people who actually run networks. He brings more than 20 years of experience designing, operating and maintaining data centre infrastructure for service providers, enterprises and cloud hosters, spanning network engineering, data centre design and operations, and bare-metal cloud. He works on transfers and leases across ARIN, RIPE NCC and APNIC, and on bringing customer address space into production on the Netrouting network.
Articles by Savvas Bout
Verify an IPv4 Broker Registration: A Practical Guide
Learn how to verify an IPv4 broker registration before you transfer funds. Check RIR credentials, escrow use, and Tixx Q...
Read → Oct 21, 2026IPv4 Block Quality Check: What to Verify Before You Buy
Run an IPv4 block quality check before you buy or lease. Learn what ownership, blacklist, routing, and RIR flags to catc...
Read → Oct 20, 2026IPv4 Escrow Process: How Transfers Stay Secure
Learn how the IPv4 escrow process protects buyers and sellers during registry transfers. Tixx-vetted blocks, escrow-secu...
Read → Oct 19, 2026Selling IPv4 When a Network Shuts Down | Prefixx
Decommissioning a network? Your IPv4 blocks are recoverable assets. Learn how to sell them fast, clean, and escrow-secur...
Read → Oct 16, 2026Renumbering Before Selling IPv4: What Goes Wrong
Renumbering before selling IPv4 often kills the deal. Learn which changes hurt valuation, trigger flags, and how to sell...
Read → Oct 15, 2026IPv4 Block Appraisal: Know What You're Paying For
Get an accurate IPv4 block appraisal before you buy or sell. Learn how RIR region, block size, and reputation history dr...
Read → Oct 14, 2026IPv4 Selling Process Steps: Avoid Costly Delays
Learn the IPv4 selling process steps that close deals fast. Ownership docs, Tixx QC, escrow, and transfer paperwork expl...
Read → Oct 14, 2026Liens on IPv4 Address Blocks: What Buyers Must Know
Liens on IPv4 address blocks can kill a transfer after budget is committed. Learn how to spot them early and close clean...
Read → Oct 14, 2026IPv4 Lease Exit Checklist: Clean Handback Guide
Return a leased IPv4 block without inheriting blacklists or dangling ROAs. Step-by-step exit checklist covering RPKI, LO...
Read → Oct 14, 2026Can You Buy an IP Address? Yes, Here's How
Yes, you can buy an IPv4 address block. Learn which registry governs your transfer, what Tixx QC covers, and how escrow...
Read → Oct 14, 2026After Selling an IPv4 Block: Your Post-Transfer
After selling an IPv4 block, routing tables, RPKI, IRR and DNS still need updating. Here's what to clean up before your...
Read → Oct 13, 2026Cheap IPv4: Find Clean Blocks Without Hidden Costs
Cheap IPv4 blocks carry hidden risks: blacklists, routing gaps, RIR issues. Learn what to check before you buy, and wher...
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