ASR Cisco Aggregation Services Routers
The Cisco Aggregation Services Router (ASR) series of routers are modular routers produced by Cisco Systems. The highest end of the lineup, the ASR 9000 series, is intended for service provider (SP) core networks.
The Cisco ASR 1000 Series routers are engineered for reliability and performance, with industry-leading advancements in silicon, throughput, and security to help your business succeed in a digital world that's always on.
Edge networks serve billions of devices with low-latency services. You
need feature rich routers that economically scale with bandwidth demand.
The ASR 9000 series is your edge routing device capable of supporting
the application performance required to power 5G service needs.
https://www.cisco.com/c/en/us/products/routers/what-are-aggregated-services-routers.html