Brander Group Knowledge Hub

Expert-driven insights on IPv4, networking and security. Covering all the concepts and tools, best practices, configurations, techniques, and real-world solutions you need to know for IPv4 and internet connectivity.

Comparing Best IPV4 Brokers in 2026

Comparing the Best IPv4 Brokers in 2026

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The landscape of buying and selling IP addresses has changed drastically in the last 10 years. What defines the Best IPV4 Brokers in 2026?

How Explosive Growth of AI Impacts the Need for IPv4

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AI’s rapid growth is surging IPv4 demand as data centers and autonomous agents require unique addresses for connectivity. This scarcity has turned IPv4 into a premium asset, driving a robust leasing market for training clusters
How to Report Reassignments in ARIN

How to Report Reassignments in ARIN

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How to report IPv4 and IPv6 reassignments in ARIN; requirements and step-by-step instructions for creating, editing, and deleting records.
Understanding IPv4 Abuse

Understanding IPv4 Abuse

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What IPv4 abuse is, how spam, botnets, and routing attacks are handled today, and whether internet security efforts are actually improving.
Jake Brander at IPXO Webinar

Webinar 11am EST Today – What Drives IPv4 Demand in Today’s Market?

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An upcoming industry webinar featuring Brander Group founder Jake Brander will examine IPv4 scarcity, IPv6 adoption, CG-NAT challenges, RIR policy, BEAD funding, and pricing outlook
RPKI = trust for Internet routing. This flow shows how IP resources, ROAs, validators, and routers connect to keep BGP secure.

What is RPKI? Resource Public Key Infrastructure

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RPKI (Resource Public Key Infrastructure) protects Internet routing by validating BGP announcements with cryptographic certificates.
MAP-T vs. CGNAT: IPv4 Address Translation

MAP-T vs. CGNAT: IPv4 Address Translation

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MAP-T and CGNAT help manage IPv4 exhaustion; Brander Group ensures seamless transition and network optimization.
TLS: Transport Layer Security Explained

TLS: Transport Layer Security Explained

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TLS encrypts data between servers, browsers, and applications, ensuring secure internet communications through a cryptographic protocol
Understanding the Barracuda Reputation Block List (BRBL)

Understanding the Barracuda Reputation Block List (BRBL)

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Discover how the Barracuda Reputation Block List (BRBL) can impact your email deliverability and reputation. Find out how to get off the list.
Spamhaus Drop Lists2024

Spamhaus Don’t Route Or Peer Lists Help Stop IP Hijacking

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What are Spamhaus DROP lists? A tool for blocking hazardous IP traffic and protecting against spam, cyber-crime, and malicious activities.
IPv4 Blocks - Everything You Need to Know

IPv4 Blocks – Everything You Need to Know

IPv4 blocks are essential to understanding how the web works and why we’re seeing shifts in networking technology
What is the Difference Between a Blacklist and a Blocklist?2024

What is the Difference Between IPv4 Blacklist & IPv4 Blocklist?

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What is the difference between a blacklist and a blocklist in cybersecurity? Dive into the terminology and understand the distinctions.
How to Configure DNS for ISPs

How to Configure DNS for Internet Service Providers (ISPs)

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Setting up DNS (Domain Name System) properly for Internet Service Providers (ISPs) requires configuring DNS servers and network infrastructure to ensure reliable & efficient domain name resolution for your end user subscribers.
How to Migrate from IPv4 to IPv62024

Thinking of Migrating to IPv6 from IPv4 Addresses?

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While both are viable options for enterprise networks, There are good reasons to migrate from IPv4 to IPv6; the current standard IP protocol.
What is OpenFlow? A Guide to Software-Defined Networking

What is OpenFlow? A Guide to Software-Defined Networking

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OpenFlow enables centralized network control by separating data and control planes, foundational for modern software-defined networking.
What is an Internet IP Transit Provider?2024

What is an Internet IP Transit Provider?

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Understand the essential role of Internet IP transit providers in maintaining optimal performance and reliable internet access.
How to Protect Against DDoS Attacks2024

Understanding and Preventing Distributed Denial-of-Service (DDoS) Attacks

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How to avoid DDoS (Distributed Denial-of-Service) attacks, that crash server, services and network operations by flooding them with traffic.
What is an ASN? Autonomous System Number2024

What is an ASN?

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Autonomous System Numbers (ASNs) play a key role in the internet's routing framework. ASNs enhance routing efficiency and policy management.

IPv4 vs. IPv6 Comparison

In the world of technology, connectivity has always been an essential aspect of daily life and business operations. Over the past decade, internet usage has skyrocketed, and with the increasing demand for data, IPv4 addresses, and their limitations have become a challenge. IPv6 was introduced as a potential solution, but is it ready to replace the aging IP standard protocol or are there better alternatives?
Creating a subnet by dividing the host identifier2024

How to Calculate IPv4 Subnet Masks

A simple guide to calculating netmask and subnet masks using available IP address and CIDR (Classless Inter-Domain Routing) notation.

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