4 ms·I'm on Sonic.net fiber and they're a reseller of AT&T and I've experienced this exact scenario.by hangonhn 6y agoI'm on Sonic.net fiber and they're a reseller of AT&T and I've experienced this exact scenario.jrmg 6y agoSame for me on DSLExtreme! I've contacted their support about the issue.Lammy 6y ago> they're a reseller of AT&T Note: Only in certain areas. In SF they string their own fiber.