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Country

Tanzania

Africa TZ
IPv4 addresses
1,164,197
CIDR ranges
342
Global rank · IPv4
#93 of 250
ASNs
112
Organizations
102
Regions / states
27

Top ASNs

ASNNameIPs
AS37035 MIC TANZANIA LTD 154.4K
AS33765 TANZANIA TELECOMMUNICATIONS CO. LTD 76.5K
AS36908 Vodacom Tanzania Ltd 67.6K
AS37133 Airtel Tanzania 64.0K
AS37084 Simbanet (T) Limited 49.2K
AS30844 Liquid Telecommunications Ltd 39.2K
AS15399 Wananchi Group (Kenya) Limited 38.4K
AS22351 INTELSAT GLOBAL SERVICE CORPORATION 32.8K
AS37182 Tanzania Education And Research Network 32.8K
AS327885 Viettel Tanzania PLC 17.4K
AS37349 Aptus Solutions Ltd 13.3K
AS22354 UNIV-DAR 12.3K
AS36965 WIA Tanzania 12.3K
AS36909 Habari Node Public Limited 10.5K
AS31810 ECHOTEL TANZANIA LIMITED 9.2K
AS32860 Cats-Net Limited 8.4K
AS327795 e-Government Authority 7.4K
AS37126 Bell Communications Ltd 6.1K
AS327771 Milan Cable 4.1K
AS327900 Simply Computers Tanzania Ltd 4.1K
AS36930 MIC TANZANIA LTD 3.3K
AS327792 Computer Sales & Services 3.1K
AS328436 Flashnet Technologies Limited 3.1K
AS327714 Zanzibar Connections Company Limited 2.8K
AS37143 Arusha Art Limited 2.0K

Regions / states / provinces

Network composition

How Tanzania's allocated IPv4 space breaks down by operator type, regional registry, and block size.

By operator category
CategoryIPv4Share
Enterprise 258.8K
52.7%
ISP / Telecom 122.6K
25.0%
Mobile 66.0K
13.4%
Academic / Research 35.8K
7.3%
Government 7.4K
1.5%
CDN 512
0.1%
By regional registry (RIR)
RegistryIPv4Share
AFRINIC 756.5K
65.0%
ARIN 307.1K
26.4%
APNIC 88.3K
7.6%
RIPE NCC 12.0K
1.0%
LACNIC 256
0.0%
Prefix-size distribution (network ranges by block size)
/8–/15
3
/16–/19
23
/20–/22
118
/23
20
/24
87
/25–/28
22
/29–/32
69

Routing & security

Live BGP routing footprint for Tanzania from our global collectors, with RPKI route-origin validation coverage.

Announced prefixes
4,730
Origin ASNs
125
RPKI-valid
13.6%
645 of 4,730 ROA-covered

RPKI-valid % = announced prefixes with a matching Route Origin Authorization. Live routing →

Reverse-DNS, threat intelligence & internet health

How much of Tanzania's address space resolves to a hostname, how much appears on public threat blocklists, how widely the population is online, and independent signals of censorship and outages.

Reverse-DNS coverage
28.1%
327.2K IPs with a PTR
Internet adoption
31.2%
of population · 2024
Censorship signal
12.2%
0 confirmed-blocked · 30d
Network outages
8
events · last 90d
Median speed
25 Mbps ↓
22 Mbps ↑ · 90ms
28.1% of allocated IPv4 has a PTR

Reverse-DNS + threat-blocklist footprint from our own scanning & 8 threat-intel feeds. Internet adoption from the World Bank; censorship measurements from OONI; outage detection from IODA / Georgia Tech; connection speed from Cloudflare Radar.

Frequently Asked Questions

How many IPv4 addresses are allocated to Tanzania?

Tanzania has 1,164,197 IPv4 addresses allocated across 342 network ranges. These allocations are managed by regional internet registries and assigned to organizations operating within the country.

What are the largest internet providers in Tanzania?

The top organizations in Tanzania by IP allocation include the major ISPs, hosting providers, and enterprises listed above. These 50 organizations collectively manage the majority of the country's IPv4 address space.

How many ASNs operate in Tanzania?

Tanzania has 50 or more registered Autonomous Systems. Each ASN represents an independently routed network, such as an ISP, cloud provider, or enterprise network.

What continent is Tanzania in?

Tanzania is located in Africa. IP address allocations in this region are managed by AFRINIC.

Last updated: 2026-07-18 16:40:31 UTC
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