Category Archives: BGP instability

Yesterday some Internet users would have seen issues with their Internet connectivity, experiencing slowness or parts of the Internet as unreachable. This incident hit users in Japan particularly hard and it caused the Internal Affairs and Communications Ministry of Japan to start an investigation into what caused the large-scale internet disruption that slowed or blocked […] Continue reading BGP leak causing Internet outages in Japan and beyond.→

It doesn’t happen often that a country with hundreds of prefixes is affected by a massive outage, however earlier today this unfortunately happened to Azerbaijan. Starting at 12:04 UTC approximately 94% of the prefixes out of Azerbaijan became unreachable.   The event was reported on @bgpstream and details plus a replay can be found here: […] Continue reading Country wide outage in Azerbaijan→

Earlier today a massive route leak initiated by Telekom Malaysia (AS4788) caused significant network problems for the global routing system. Primarily affected was Level3 (AS3549 – formerly known as Global Crossing) and their customers. Below are some of the details as we know them now. Starting at 08:43 UTC today June 12th,  AS4788 Telekom Malaysia started […] Continue reading Massive route leak causes Internet slowdown→

This morning people on twitter reported that they were unable to reach Google services. Businessinsider followed up with a story in which they mentioned that the Google service interruption primarily involved European and Indian users. In this blog we’ll take a quick look at what exactly happened by looking at our BGP data. The first […] Continue reading What caused the Google service interruption?→