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
BGP Announcement: Make Your IPv4 Block Reachable
A BGP announcement puts your IPv4 block on the global routing table. Learn how origin ASN, RPKI and IRR work together, a...
Read → Oct 23, 2026RIR Transfer Eligibility: What Blocks Must Pass
RIR transfer eligibility trips up more deals than pricing does. Learn what each registry checks before a block can move,...
Read → Oct 23, 2026Azure BYOIP: Bring Your Own IP Space to the Cloud
Move your IPv4 blocks onto Azure without renumbering. Learn how BYOIP works, what the registry steps require, and how to...
Read → Oct 23, 2026GCP BYOIP: Requirements, ROA Setup and Routing Steps
Bring your own IP to Google Cloud the right way. LOA, RPKI ROA, IRR objects, and prefix verification explained. Get expe...
Read → Oct 23, 2026IPv4 Monetization: Turn Idle Blocks Into Revenue
IPv4 monetization converts dormant address space into income. Learn how leasing or selling through a vetted broker maxim...
Read → Oct 23, 2026RPKI ROA: Stop Route Hijacks Before They Start
A valid RPKI ROA locks your prefix to your origin ASN. Learn how to create, sign and maintain ROAs before a hijack takes...
Read → Oct 23, 2026APNIC IPv4 Exhaustion: What It Means for Your Network
APNIC IPv4 exhaustion emptied the free pool years ago. Learn how the transfer market works and where to source vetted bl...
Read → Oct 23, 2026ARIN IPv4 Waitlist: Why the Transfer Market Is Faster
The ARIN IPv4 waitlist can stall your rollout for months. Learn why the transfer market delivers vetted blocks on your s...
Read → Oct 23, 2026Sell IP Address Block, Get Full Market Value
Unused IPv4 allocation? Prefixx vets buyers, handles escrow and RIR transfer paperwork. Seller-only commission, zero buy...
Read → Oct 23, 2026IPv4 Market: Pricing, Transfers & What Brokers Won't
The IPv4 market has no public price list. Learn how blocks are valued, traded, and vetted, then get a personalized offer...
Read → Oct 23, 2026KYC for IPv4 Transactions: What Every Buyer Must Know
KYC for IPv4 transactions is mandatory at every RIR. Learn what documents you need, why blocks get rejected, and how to...
Read → Oct 23, 2026IPv4 Block Due Diligence: Avoid Dirty Prefixes
Inherited spam reputation, blocked prefixes, transfer disputes, learn what to check before you buy or lease any IPv4 blo...
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