I'm reading this as a 20Mbps line. Are you getting better speeds with another ISP account?
It's a 8mbps line
Upstream line rate (kbit/s) 635 - his actual upstream sync rate
Downstream line rate (kbit/s) 8191 - his actual downstream sync rate
Upstream maximum line rate (kbit/s) 1164 - router's maximum possible upstream rate (according to attenuation/noise etc)
Downstream maximum line rate (kbit/s) 19676 - router's maximum possible downstream rate (according to attenuation/noise etc)
Upstream noise safety coefficient(SNR) (dB) 17.9
Downstream noise safety coefficient(SNR) (dB) 13.6
Upstream interleave depth 0
Downstream interleave depth 0
Line standard ADSL_2plus
Upstream line attenuation (dB) 12.6
Downstream line attenuation (dB) 27.5