Cloudflare adds Secure DNS service on 1.1.1.1

Cloudflare has expanded the range of secure DNS services available. As well as Cisco’s OpenDNS, Google’s DNS service, Oracle’s Dyn, and the recent Quad 9 service, Cloudflare now adds 1.1.1.1 to the mix. According to their blog yesterday (Announcing 1.1.1.1: the fastest, privacy-first consumer DNS service), this is not an April Fool’s joke, but a…

RFC8369: Internationalizing IPv6 Using 128-bit Unicode

In a forward-looking RFC that presupposes an expansion of the Unicode address space to 128-bits, it is proposed that IPv6 addresses may instead of the standard notations proposed in RFC8600, be represented by a specific emoji or equivalent. Assuming the new Unicode code point space is 128 bits — excluding some reserved bits for backwards…

China to plan IPv6 leap forward

The Register has picked up a story about China’s adoption of IPv6. This article originally came from the Xinhua state news agency. (China to speed up IPv6-based Internet development). China feels the lack of IPv4 address space most keenly. They have the worlds largest population by country, at 1.4 billion people. They have a vast…

IPDetails – a useful multi-tool to gather details about an IP address

What I initially needed IPDetails to offer A couple of months ago I needed a tool that allowed me to gather more information on IP addresses that I’d collected using SiLK. The tool will enable me to cluster IP addresses for cloud flows, not just on the IP address, but on the AS number and ISP.…

There’s a problem with IPv6 route lookup speed in Linux

The challenge The great thing about IPv6 is its larger IP address space, but this is also its weakness. That larger IP address space needs routing, potentially creating larger routing tables.. This creates larger routing tables, which has an impact on memory and the time taken to search them. Work done by Vincent Bernat shows…