News - IPv4, Telecom, Hosting, AI
IPv4 for Ukrainian Companies: RIPE LIR, PI or Lease in 2026
Ukrainian companies and RIPE IPv4 in 2026: own LIR, PI via a sponsoring LIR or addresses from an LIR, the fees, registry data for Ukraine and the paperwork.
If IPv4 Were Land: Who Holds the Addresses and Why
The IP Trust map of IPv4 as land, checked against the five RIR files: who holds the addresses, where transfer supply comes from and what short regions can do.
Inter-RIR Transfers: Moving IPv4 from ARIN to RIPE in 2026
ARIN to RIPE NCC IPv4 transfers in 2026: 748 by 28 October, the NRPM 8.4 and RIPE-807 rules, the $500 ARIN fee, the steps, and a script that counts the flows.
RIPE IPv4 Waiting List vs Buying a /24: 2026 Cost Math
RIPE NCC's IPv4 waiting list: 811 LIRs and a 492-day wait on 28 October 2026. What waiting costs vs buying or leasing a /24, with a script that reads the queue.
PHP2Shell: Check and Patch the PHP RCE Flaws on Your Server
PHP2Shell (CVE-2026-109618, CVE-2026-109619) lets an unauthenticated request run code in PHP. Fixed versions, a tested check script, php.ini stopgaps and an upgrade plan.
Brotli CVE-2026-111497: Patch Node.js, Bun and Python Apps
A Brotli decoder flaw (CVE-2026-111497) can run code through fetch() in Node.js and Bun or through Python HTTP clients. Fixed versions, a tested check script and the rebuild steps.
How to Size a Cloud Server for SaaS: CPU, RAM, NVMe, Backups
Size a cloud server for a SaaS app in Docker and Node.js: memory budget, CPU limits, NVMe and backups, a k6 load test, full monthly price and a worksheet.
IPv4 Escrow Payment Timeline: Buyer and Seller Checklist
IPv4 escrow explained: payment checkpoints, who confirms what, fund-release conditions and failure cases for buyers and sellers, with a conditional schedule.
Self-Hosted AI Coding Agents on EU VPS: Hardened Setup
Run AI coding agents on an EU VPS with limits: disposable workspaces, egress allowlist, scoped tokens, resource caps, tested code, honest risks and server cost.
Fix IPv4 Geolocation After a Transfer: Step-by-Step
Your transferred IPv4 block still shows the previous country? Learn how to verify WHOIS, BGP and GeoIP records and request corrections safely, step by step.