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.

Understanding the Barracuda Reputation Block List (BRBL)

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

2024

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

What are Spamhaus DROP lists? A tool for blocking hazardous IP traffic and protecting against spam, cyber-crime, and malicious activities.

What is the Difference Between a Blacklist and a Blocklist?

2024

What is the Difference Between IPv4 Blacklist & IPv4 Blocklist?

IPv4 Blog, Knowledge Hub

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 Internet Service Providers (ISPs)

IPv4 Blog, Knowledge Hub

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.

2024

Thinking of Migrating to IPv6 from IPv4 Addresses?

IPv4 Blog, Knowledge Hub

While both are viable options for enterprise networks, There are good reasons to migrate from IPv4 to IPv6; the current standard IP protocol.

2024

What is an Internet IP Transit Provider?

IPv4 Blog, Knowledge Hub

Understand the essential role of Internet IP transit providers in maintaining optimal performance and reliable internet access.

2024

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

IPv4 Blog, Knowledge Hub

How to avoid DDoS (Distributed Denial-of-Service) attacks, that crash server, services and network operations by flooding them with traffic.

2024

What is an ASN? Autonomous System Number

IPv4 Blog, Knowledge Hub

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

Pros and Cons Between IPv4 and IPv6 Addresses

Knowledge Hub

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 identifier

2024

How to Calculate IPv4 Subnet Masks

Knowledge Hub

A simple guide to calculating IPv4 subnet masks using available IP address and CIDR (Classless Inter-Domain Routing) notation.

What is ARIN? American Registry of Internet Numbers

Understanding the American Registry of Internet Numbers

Knowledge Hub

ARIN is North America's Regional Internet Registry. One of five RIRs responsible for allocating and managing Internet resources.

RIPE NCC - All you need to know about the internet registry

Réseaux IP Européens (RIPE NCC) Explained

Knowledge Hub

RIPE NCC is a nonprofit organization that manages IP addresses and ASNs in Europe, the Middle East, and Central Asia.

The Benefits of IPAM – IP Address Management

Knowledge Hub

IPAM (IP Address Management) is a system for planning, tracking, and managing IP addresses in a network to ensure efficiency and security.

2024

What is a Proxy IP Address?

IPv4 Blog, Knowledge Hub

Proxy servers are significant in maintaining online privacy and security. Stay informed and protected when browsing the web.

Pros and Cons of Deploying Carrier Grade NAT

Pros & Cons Deploying Carrier Grade NAT (CGNAT)

IPv4 Blog, Knowledge Hub

Network Address Translation (NAT) and Carrier Grade Network Address Translation (CGNAT) are two different techniques for managing networks, but both have similar goals: to conserve public IPv4 addresses, increase privacy and security, and reduce the burden on ISPs of having to manage too many Internet of Things devices.

2024

What Is SpamCop?

IPv4 Blog, Knowledge Hub

SpamCop helps identify and prevent spam emails. Learn about Its benefits, user contributions, and how to remove your IP addresses.

2024

What is a Virtual Private Network (VPN)?

Knowledge Hub

How do VPNs work and why they are important? Discover how VPNs enhance privacy and security for individuals and businesses.

What is Cisco Talos Intelligence?

IPv4 Blog, Knowledge Hub

Cisco Talos is the threat intelligence and research arm of Cisco, one of the world's leading networking and cybersecurity companies. Talos is responsible for detecting, analyzing, and protecting against cybersecurity threats.