Telegram BGP hijack due to weird blackholing config (opens in new tab)

Since the (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. Let’s look at 2a0a:f280::/48 () Notice all the ASNs here largely seem to be downstreams of AS45820 in India, no major large peer or upstream that would take this announcement outside of India. Similarly, take the case of aggregate - 2a0a:f280::/32. This has TTSL (AS45820) as ...