Tanzania
IP address space, AS numbers and the largest networks registered in Tanzania, based on the delegation records of the regional internet registries.
IPv4 addresses
1.1M
203 blocks
IPv6 allocations
86
AS numbers
125
Routed AS numbers
103
Largest networks in Tanzania
By announced prefixes| AS | Name | IPv4 prefixes | IPv6 prefixes |
|---|---|---|---|
| AS33765 | TANZANIA TELECOMMUNICATIONS CO. LTD TANZANIA TELECOMMUNICATIONS CO. LTD | 282 | 2 |
| AS37035 | MIC TANZANIA LTD MIC TANZANIA LTD | 99 | 2 |
| AS37133 | Airtel Tanzania Airtel Tanzania | 92 | 1 |
| AS327885 | Viettel Tanzania PLC Viettel Tanzania PLC | 66 | 0 |
| AS37027 | Simbanet (T) Limited Simbanet (T) Limited | 62 | 3 |
| AS36909 | Habari Node Public Limited Habari Node Public Limited | 47 | 1 |
| AS37182 | Tanzania Education And Research Network Tanzania Education And Research Network | 39 | 2 |
| AS36908 | Vodacom Tanzania Ltd Vodacom Tanzania Ltd | 33 | 1 |
| AS327795 | e-Government Authority e-Government Authority | 21 | 4 |
| AS37126 | Bell Communications Ltd Bell Communications Ltd | 24 | 1 |
| AS37349 | Aptus Solutions Ltd Aptus Solutions Ltd | 17 | 2 |
| AS37084 | Simbanet (T) Limited Simbanet (T) Limited | 17 | 1 |
| AS328436 | Flashnet Technologies Limited Flashnet Technologies Limited | 17 | 0 |
| AS327900 | Simply Computers Tanzania Ltd Simply Computers Tanzania Ltd | 16 | 0 |
| AS327771 | Milan Cable Milan Cable | 16 | 0 |
| AS36930 | MIC TANZANIA LTD MIC TANZANIA LTD | 15 | 0 |
| AS327792 | Computer Sales & Services Computer Sales & Services | 13 | 0 |
| AS328805 | ZAPTECH LIMITED ZAPTECH LIMITED | 11 | 1 |
| AS329530 | Savanna Fibre (Tanzania) Ltd Savanna Fibre (Tanzania) Ltd | 10 | 1 |
| AS328895 | WINCABLE AND INTERNET LIMITED WINCABLE AND INTERNET LIMITED | 7 | 3 |
| AS328514 | Net Solutions Limited Net Solutions Limited | 9 | 0 |
| AS328075 | Gadgetronix.Net Ltd Gadgetronix.Net Ltd | 8 | 0 |
| AS328676 | Zanzibar Information Communication Technology Infrastructure Agency (ZICTIA) Zanzibar Information Communication Technology Infrastructure Agency... | 7 | 0 |
| AS31810 | ECHOTEL TANZANIA LIMITED ECHOTEL TANZANIA LIMITED | 7 | 0 |
| AS329750 | Large Signals Company Limited Large Signals Company Limited | 7 | 0 |
| AS327714 | Zanzibar Connections Company Limited Zanzibar Connections Company Limited | 6 | 0 |
| AS328950 | Green Telecom Limited Green Telecom Limited | 5 | 1 |
| AS37013 | Satcom Networks Africa Satcom Networks Africa | 4 | 1 |
| AS37143 | Arusha Art Limited Arusha Art Limited | 4 | 1 |
| AS328700 | TISPA Tanzania Internet Service Providers Association - TISPA - Tanzania ... | 2 | 2 |
Delegations by registry: AFRINIC 289. Updated 2026-10-04.