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
What Lowers IPv4 Block Value: Key Risk Factors
Blacklists, routing gaps, and RIR standing all cut IPv4 block value before transfer. Learn what to check before you buy,...
Read → Oct 13, 2026Best IPv4 Marketplace: Transparent Pricing Explained
Most IPv4 marketplaces hide fees until closing. Learn what transparent pricing actually looks like and how to compare br...
Read → Oct 12, 2026Regional Internet Registry: Rules, Transfers & RIRs
Each regional internet registry sets its own transfer rules, timelines, and fees. Learn how ARIN, RIPE, APNIC, LACNIC an...
Read → Oct 12, 2026IPv4 Lease Pricing Factors Every Buyer Should Compare
Block size, RIR region, prefix reputation, and lease terms all shift your quote. Learn what drives IPv4 lease pricing be...
Read → Oct 12, 2026Buying IPv4 to Lease Out: Build a Revenue Asset
Acquire clean, transfer-eligible IPv4 blocks, recover costs through lease income, and keep the asset. Learn how the numb...
Read → Oct 09, 2026Buy IP Address USA: Vetted Blocks, Zero Buyer Fees
Buy a clean, routable US IPv4 block with escrow-secured transfer and Tixx QC on every prefix. No buyer fees. Get a perso...
Read → Oct 09, 2026IPv4 Investment: Buy, Hold, or Lease Wisely
IPv4 investment carries real risk: reputation damage, opaque pricing, and transfer delays. Learn how vetted blocks and e...
Read → Oct 09, 2026IPv4 Buyer Eligibility Checks: Pass Every Registry
ARIN, RIPE NCC, APNIC and LACNIC each require specific documentation before a transfer clears. Learn what to prepare so...
Read → Oct 08, 2026How Does Geolocation IP Work? Routing and Databases
Learn how IP geolocation databases map your IPv4 block, why new prefixes inherit stale data, and how to correct it after...
Read → Oct 08, 2026Vultr Bring Your Own IP: Keep Your Reputation Intact
Route your existing IPv4 blocks through Vultr without losing geolocation or routing history. Learn how BYOIP works and w...
Read → Oct 08, 2026IPv4 Leasing for Hosting Providers: Scale Without Risk
IPv4 leasing for hosting providers: get clean, routable blocks under contract, with RPKI, LOA and white-glove routing ha...
Read → Oct 07, 2026BGP Hijacking Prevention: A Layered Defense Guide
Stop route hijacks before they redirect your traffic. RPKI, IRR hygiene, and real-time monitoring explained, with practi...
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