From their "About Us" page:
" Afranet is the first private tier one Internet Service Provider (ISP) in Iran holding an ISO 9001 certificate. Having a direct access to the Internet backbone via its satellite ground station Afranet is issued both ICP and ISP permissions from PTT. Currently it has 4 Mbps send & 13 Mbps receive bandwidth, which can be upgraded up to 90 Mbps with the existing equipment. As a funding member, Afranet has established a high-speed network with four other major tier one ISPs (Isiran, DPI, IPM and Sharif) which is known as GIX (Global Internet eXchange). GIX project has many advantages such as increasing the reliability of services, security, speed and lowering the prices. Afranet main activities are concentrated on Internet access provisioning, VOIP (Voice over IP) and Electronic Commerce (EC). Afranet is also a leading Electronic Commerce (EC) company in Iran with more than ten successful projects completed in this field so far such as D8 Countries web site and ITDB (Industrial and Technological Data Base) project, Iran Industrial Information Network, Isiran, Nirou Moharekeh, Darugar, Cyberkish, Tehrantimes on-line and so on."
Here is a list of their major clients.
Subnet 1 (Hosts 0-127 are assigned to Kamalan Leased Line; hosts 128-255 are assigned to Systech Wireless Link):
Subnet 2 (Hosts 0-31 are assigned to Ertebatat Faragostar Co; hosts 32-63 are assigned to Iranian Building???; hosts 64-79 are assigned to Tehran Urban & Suburban Railway Co; hosts 80-95 are assigned to Anahita Co; hosts 96-127 are assigned to Sayava Co; hosts 128-143 are assigned to Ifco Co; hosts 144-159 are assigned to Tehran Urban & Suburban Railway Co; hosts 160-167 are assigned to Afra Co; hosts 168-171 are assigned to KAF Joint Stock Co; hosts 172-175 are assigned to Afra Co; hosts 176-191 are assigned to Telco Co; hosts 192-255 are assigned to Zarreh IT Corporation):
Subnet 3 (Hosts 0-31 are assigned to Anahita ADSL; hosts 32-47 are assigned to Paitakht ADSL, hosts 48-63 are assigned to Iranian ADSL; hosts 64-71 are assigned to Neginshargh Radio Customer; hosts 72-79 are assigned to Daroogar Radio Customer; hosts 80-95 are assigned to Kowsar Radio Customer; hosts 96-111 are assigned to Sazehpad Radio Customer; hosts 112-127 are assigned to Parnian Wireless Customer; hosts 128-255 are assigned to Partownet Wireless Customer):
Subnets 4-8 (Afranet ADSL Cusotmers):
Subnet 9 (Hosts 0-31 are assigned to TakSoft Office Co; hosts 32-63 are assigned to AmnAfzar Sharif Co; hosts 64-127 are assigned to Sabz Rayaneh Co in Lavasan, IR; hosts 128-255 are assigned to Hyundai Co):
Subnet 10 (Hosts 0-15 are assigned to OTC Wireless Link; hosts 16-23 are assigned to AsiaAbzar Wireless Link; hosts 24-31 are assigned to Keps Wireless Link; hosts 32-63 are assigned to Satkab Wireless Link; hosts 64-127 are assigned to TakSoft Wireless Link; hosts 128-255 are assigned to Nedayemahya Wireless Link):
Subnet 11 (Sabanet Wireless Link):
Subnet 12 (Hosts 0-63 are assigned to Mehran Wireless Link; hosts 64-127 are assigned to MPTech Leased Line; hosts 128-255 are assigned to Afranet):
Subnet 13 (Hosts 0-127 are assigned to SystemGroup Leased Line; hosts 128-191 are assigned to FarsChemical Leased Line; hosts 192-255 are assigned to Sadjagroup Leased Line):
Subnet 14 (Hosts 0-63 are assigned to Padidehara Wireless Link; hosts 64-127 are assigned to LPTech Leased Line; hosts 128-255 are assigned to Semiran Wireless Link):
Subnet 15 (Hosts 0-31 are assigned to Arian Co; hosts 32-47 are assigned to Damavand Rayesh Co; hosts 48-63 are assigned to Xira Co; hosts 64-95 are assigned to Gworld Co; hosts 96-111 are assigned to InterNik; hosts 112-127 are assigned to Afranet; hosts 128-159 are assigned to Sabz Rayaneh Co; hosts 160-191 are assigned to Mehvarsazan Iran Khodro; hosts 192-223 are assigned to Avabarid Co; hosts 224-231 are assigned to Amanet; hosts 232-255 are assigned to Afranet):80.75.0.0-80.75.15.255 Range
Subnet 0 (Hosts 0-63 are assigned to Sahand Leased Line; hosts 64-127 are assigned to Parscontrol Wireless Link; hosts 128-255 are assigned to Absal Wireless Link):
Ping Sweep shows these hosts up: 5,7,10,23,246,248,249,251,254
Ping Sweep shows these hosts up: 1,2,13-16,18-22,31-33,35
Ping Sweep shows these hosts up: 64,65,79,81-83,85,87,89,90,92-94,96,97,103,144-146,159,165,166,169,177,180,192-195
Ping Seep shows these hosts up: 10,13,14,18,30,50,56,58,62,67,81,85,89,97,101,102,110,115,117,120,121,129-132,136,137,145
Ping Sweep shows these hosts up on subnet 4: 1,3,32,33,35
Ping Sweep shows these hosts up on subnet 5: 1,17,33,65,67,68,74,81,82,89,97,98,101,102,108,109,113,116,117,119,123,125,129,137
Ping Sweep shows these hosts up on subnet 6: 1-7,9,15,27,30,31,61,63,248-251,253
Ping Sweep shows these hosts up on subnet 7: 253
Ping Sweep shows these hosts up on subnet 8: 61,97,98,129,131,140
Ping Sweep shows these hosts up: 1,9,19,20,31,33,40,65,97,100,129,130,138,145,161,162,166,170,193,195,196
Ping Sweep shows these hosts up: 1,17,25,26,33,34,49,51,64,65,68,70,79,81,97,113,121,122,129,131,133,145,149,161,162,164,192,194,195,221,223,225,227,228,241
Ping Sweep shows these hosts up: 1,3,5,10,32,216,226,233,240,245,249,251,252
Ping Sweep shows these hosts up: 1,2,7-9,15,134,177
Ping Sweep shows these hosts up: 27,98,192,193,195,207,225
Ping Sweep shows these hosts up: 1,244,245,247-249,254
Ping Sweep shows these hosts up: 1,3,241