The who’s who of whois clients
There are many different clients you can use for whois lookups. Are they any good?
All the Gs, part 3: 5G and the future
The final part of the ‘All the Gs’ series looks at 5G and the future of radio spectrum technology.
All the Gs, part 2: 2G to 4G
Part two of this series explores how 2G became 4G.
All the Gs, part 1: Governing the radio spectrum
To understand broadband cellular network technology, it’s important to appreciate the history of the radio spectrum.
Introducing REx: A new approach for the Internet Directory
Say hello to REx! APNIC’s new tool provides comprehensive data on Internet numbers in the Asia Pacific.
Basic routing concepts, part 4: NATs aren’t evil
The fourth part in this series examines how NATs work and why they have become a necessity.
Basic routing concepts, part 3: Trust but verify BGP
The third post in this series examines the risks in BGP that make it important to ‘trust but verify’.
Basic routing concepts, part 2: BGP is just harnessing gossip
Is BGP one giant, global network of gossip about routes?
Basic routing concepts, part 1: Prefixes
Prefixes are fundamental to routing. How do they work?
A brief history of the RFC format
No overstriking allowed! Why do RFCs have such strict text requirements?