Still I remember the day of 2008, when Youtube became unreachable in Pakistan because Pakistan Telecom routed the address block that YouTube's servers are into a "black hole" as a simple measure to filter access to the service. However, this routing information escaped from Pakistan Telecom to its ISP PCCW in Hong Kong, which propagated the route to the rest of the world. So any packets for YouTube would end up in Pakistan Telecom's black hole instead.
This year Chinese hijaked prefixes, Normally AS23724 CHINANET-IDC-BJ-AP IDC, China Telecommunications Corporation only originates about 40 prefixes, however for about 15 minutes they originated about ~37,000 unique prefixes that are not assigned to them. This is what we typically call a prefix hijack.
For more read full story.
Sunday, April 11, 2010
Chinese ISP hijacks the Internet
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