I have used Spectrum and they gave me a v6 route without asking. Maybe your DHCP client or OS was to blame? I am not sure if it shook out via router advertiseme

I have used Spectrum and they gave me a v6 route without asking. Maybe your DHCP client or OS was to blame? I am not sure if it shook out via router advertisements or DHCPv6, it just worked with dhcpcd.