IPv4 leasing ISP model: how it works
The global IPv4 transfer pool shrank nearly 60% from 2015 to mid-2024, forcing ISPs to adopt leased address blocks.
Nikita Sinitsyn
15 min read
Network Infrastructure Intelligence
IPv4 transfer markets, BGP routing security, RPKI adoption, and ASN governance — analysis for network operators.
Nikita Sinitsyn
15 min read
IPv4 Leasing Costs: $0.30 vs Purchase
Leasing IPv4 addresses costs $0.30 to $0.55 per IP monthly while purchase prices sit between $38 and $58 according to marketplace transaction data from May 2026
Alexei Krylov
13 min read
IPv4 leasing avoids permanent ownership risks
Lease IPv4 blocks to bypass high upfront capital while maintaining legacy systems. Avoid the IPv4 poverty penalty with flexible monthly terms.
Georgy Masterov
14 min read
InterRIR transfer timelines: Why moves take weeks
Inter-RIR transfers take between 4 and 10 weeks to complete depending on the registries involved.
Vladislava Shadrina
13 min read
Free IPv4 Blocks End: Zen's New Leasing Reality
Zen Internet withdraws free IPv4 blocks after originating 500,000 addresses. Learn how the shift to leasing impacts your network budget and planning.
Vladislava Shadrina
13 min read
APNIC Policy 015: What IPv4 Holders Must Know Now
APNIC policy version 015 takes effect 20 February 2025, redefining IPv4 transfer rules and compliance for the Asia Pacific region.
Evgeny Sevastyanov
15 min read
Abuse reports: Why manual checks fail ISPs today
AI cuts manual routing errors and speeds response by validating ownership against RIPE data before forwarding abuse reports to owners.
Nikita Sinitsyn
15 min read
Regional Internet Registry: How 5 Bodies Run IP
Five Regional Internet Registries manage global IP allocation, acting as the sole gatekeepers between IANA and the wider network infrastructure today.
Alexei Krylov
14 min read
How free smart DNS and zero-fee query models reshape cloud infrastructure
Modern managed DNS providers are dropping per-request query fees while layering latency-based routing, DNSSEC, and CDN integration on a single anycast edge.
Evgeny Sevastyanov
15 min read
Cloud WAN migration: A six-phase plan
Execute a six-phase migration to AWS Cloud WAN using Terraform. Unify global networks without disrupting production traffic.
Nikita Sinitsyn
15 min read
AWS Signin policies block outside network access
AWS Sign-In enforces network restrictions on console access starting 24 Jun 2026. Administrators can now define resource-based policies that block...
Alexander Timokhin
14 min read
Internet shutdowns: How Iran's 1% traffic reveals hidden
Iran's internet traffic fell to 1% of normal levels, revealing how partial restoration mechanics leave rural areas disconnected while favoring Tehran.
Nikita Sinitsyn
12 min read