Personal blog of Anurag Bhatia

For the last few days I have been playing with RFC8950 setup, which allows routing of IPv4 on top of IPv6. While logically it’s quite simple, it has a very powerful application towards making “IPv4 an optional” feature riding on top of an IPv6 network (...

Since the Telegram’s prefix hijack (4 days ago on 17-Jun-2026) by RCom, there is visible noise in the BGP routing table from multiple other Indian ISPs, including Tata Teleservices (AS45820) / Lightstorm (AS135709/AS152144), etc. mostly in IPv6.

The last few hours were quite noisy with a lot of discussion around Telegram block and Rcom’s hijack of Telegram prefixes. For those who may not know, Telegram has been blocked in India till 22 June 2026 (

In Dec 2022 I mapped popular CDNs like Google GGC, Facebook FNA, Akamai, etc. across Indian networks (post here). Since it’s been close to 4 years now, I wanted to do that again. This time, I decided to expand the scope to the entire globe instead of just ...

India has done well on IPv6 deployment thanks to Jio taking the lead in 2016, along with Airtel & VI aggressively catching up. Many of us in the industry are very proud of the work done by these players, resulting in over 78% deployment of IPv6 when measured by APNIC