Is it an ISP or something different?
Answers:
http://www.giganews.com/
iganews, Inc is a popular Usenet or newsgroup service provider. Founded in 1998, Giganews service is available to individual users through a subscription model and as an outsourced service to internet service providers. Giganews currently offer service to over 10 million broadband users contained by 180 countries. Well-known ISPs that hold outsourced Usenet access to Giganews include Comcast, BT, WOW!