EastLink, the Canadian cable operator serving parts of Atlantic Canada, Ontario, Quebec, Alberta, Manitoba and British Columbia, is deploying Cisco ASR 9000 Series Aggregation Services Routers 
The Cisco ASR-9000, which was introduced in November 2008, offers 6.4 terabits per second of total capacity and 400 Gbps capacity per slot, enabling to it accept 16 x 10 GE cards and grow to 320 x 10GE, or 32 x 100 GE per system. The platform leverages the same 40-core “QuantumFlow” processor that is featured in the smaller capacity Cisco ASR 1000 edge router. It also incorporates the Cisco Advanced Video Services Module (AVSM), which provides terabytes of streaming capacity at the aggregation edge while simultaneously offering content caching, ad insertion, fast channel change and error correction.
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http://www.eastlink.ca/