The best replacement for isp is osp.

The best alternatives to isp are rated as following:
★★★★★  osp
★★★★  asp
★★★  iep
★  jtag
★  thrust
★  ip
★  nsp
★  network administrator
★  icsp
★  vpn
★  ucp
  national isp
  internet service provider
  iap
  hsp
  google dns

Your alternative for isp is not listed? Suggest!
Speaking about isp, one probably shouldn't forget about static ip.

Other search terms related to isp and their ratings are:
★★★★★ static ip
★ email
modem
usenet
bgp
You have in mind a companion for isp and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of isp in all years. Click on graph for more.
isp
osp
asp