Most of the ones I know personally are doing CGN and have no real need for IP 
addresses.  I know of Wireless ISPs with 2000 customers and only about 50 IPv4 
addresses in use for nat and the occasional Public IP customer.


Justin Wilson
j...@mtin.net

www.mtin.net
www.midwest-ix.com

> On Jan 4, 2018, at 5:51 PM, valdis.kletni...@vt.edu wrote:
> 
> On Thu, 04 Jan 2018 17:40:27 -0500, Justin Wilson said:
>> I know of dozens, if not hundreds of small ISPs that can’t participate in 
>> BGP
>> because they don’t have big enough blocks.
> 
> What's the business model, if you have less than 120 customers? Selling
> value-add services on top of moving the packets? Or just be in a country
> where cost-of-everything is so cheap that you can make a profit on 120
> customers at $20/mo?
> 
> And hundreds?  Is that "in the US", or "worldwide"?

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