How a Single Rogue BGP Announcement Took Telegram Offline Across Three Continents (opens in new tab)

submitted by Telegram faced major connectivity disruptions after researchers reported that Reliance Communications’ AS18101 allegedly announced Telegram’s 91.108.56.0/22 IP prefix, a route normally originated by Telegram’s AS62041. The announcement reportedly spread through FLAG Telecom and reached international peers, causing Telegram traffic in India and parts of the UAE, Europe, and Asia to be misrouted or dropped. The incident came around the same time as India’s temporary Telegram restri...