🇹🇿 Tanzania

Registry and organization country assignments can differ from the physical location of an IP. Snapshot: 2026-10-04.

1,101,056
Delegated IPv4 address slots
124
Registered ASNs
0
Hosting ASNs
117
Known VPN exit prefixes

Country reference

ISO code
TZ
Continent
Africa
Capital
Dodoma
Currency
TZS
Calling code
255
EU member
No
Delegated IPv6 address slots
4,753,758,659,627,578,289,475,595,272,192

Registry allocations

Allocated and assigned RIR prefixes; address slots are summed across records and may overlap.

Delegated address slots by registry
RegistryPrefixesIPv4 slotsIPv6 slots
AFRINIC2891,101,0564,753,758,659,627,578,289,475,595,272,192

Major autonomous systems

Showing up to 124 of 124 ASNs assigned to this country, ranked by announced IPv4 prefix address slots. Overlapping announcements count separately.

Autonomous systems ranked by announced IPv4 slots
ASNOrganizationCategoryIPv4 slotsIPv6 prefixes
AS36908Vodacom Tanzania Ltdbusiness211,4561
AS33765TANZANIA TELECOMMUNICATIONS CO. LTDisp192,7682
AS37035MIC TANZANIA LTDbusiness191,2322
AS37084Simbanet (T) Limitedbusiness87,8081
AS37133Airtel Tanzaniabusiness71,9361
AS37182Tanzania Education And Research Networkeducation42,4962
AS327885Viettel Tanzania PLCbusiness34,3040
AS32860Cats-Net Limitedbusiness24,5760
AS36909Habari Node Public Limitedbusiness24,5761
AS37027Simbanet (T) Limitedbusiness22,7843
AS37349Aptus Solutions Ltdbusiness21,5043
AS327795e-Government Authoritygovernment13,3124
AS22354University of Dar es Salaameducation12,2881
AS36965WIA Tanzaniabusiness12,2881
AS37126Bell Communications Ltdisp12,2881
AS31810ECHOTEL TANZANIA LIMITEDbusiness10,2400
AS328436Flashnet Technologies Limitedbusiness8,7041
AS327771Milan Cableisp8,1920
AS327900Simply Computers Tanzania Ltdbusiness8,1920
AS327792Computer Sales & Servicesbusiness5,8880
AS328075Gadgetronix.Net Ltdbusiness5,6320
AS328514Net Solutions Limitedbusiness4,0960
AS329530Savanna Fibre (Tanzania) Ltdisp4,0961
AS36930MIC TANZANIA LTDbusiness3,8400
AS328805ZAPTECH LIMITEDbusiness3,0721

Largest cities by reference population

GeoNames reference data; this is not a count of located IP addresses.

  • Dar es Salaam · 5,383,728
  • Mwanza · 1,104,521
  • Dodoma · 765,179
  • Zanzibar · 709,809
  • Arusha · 617,631
  • Mbeya · 541,603
  • Morogoro · 471,409
  • Kahama · 453,654
  • Tanga · 393,429
  • Geita · 318,006

Hosting counts use ASN organization classifications. VPN counts include distinct exit prefixes with a source-provided country seen within seven days of this snapshot; zero means no known evidence, not absence. Country and city references: GeoNames (CC BY 4.0).