AAISP have been very helpful on the two occasions I have had to use their tech support.
First, they got my line upgraded to 21CN after our exchange had been upgraded but before all lines were automatically upgraded. They dealt with BT when they hadn't actually done the job properly.
Second, when I was setting up native IPv6 on my router. I didn't have things quite right on their control panel or my router. They sorted out the control panel and advised me what to do at me end. Within just a few emails everything was working fine.
Thoroughly recommended if you want an ISP that knows what they're doing.
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