Isp-Column

This post covers jump in latency between Airtel India and Europe since 8pm on 28 Jan 2026.

This post covers how fake routes appear in the BGP routing table

This post explains reasons for multiple routes towards a given prefix from same origin ASN

This post covers Startlink’s mapping of IP transit providers around the world

BSNL drops IP transit from BSCCL

This post covers if we can detect impact of submarine cable cuts from BGP routing table.

This is post about latency jump & packet loss between India and Europe due to submarine cable cuts at Jeddah

This post analyses upstream providers of Starlink in India

Post covering hijack of 1.1.1.0/24 by AS4755

Blog post on Google going from open peering policy to selective peering policy