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Country

South Africa

Africa ZA
IPv4 addresses
29,190,685
CIDR ranges
4,117
Global rank · IPv4
#19 of 250
ASNs
844
Organizations
793
Regions / states
9

Top ASNs

ASNNameIPs
AS3741 Dimension Data 2.61M
AS16637 MTN SA 2.47M
AS29975 Vodacom 1.75M
AS37168 Cell C (Pty) Ltd 1.70M
AS37457 Telkom SA Ltd. 1.58M
AS5713 Telkom SA Ltd. 1.43M
AS12091 MTN SA 1.25M
AS2018 Tertiary Education and Research Network of South Africa 1.15M
AS36994 Vodacom 830.7K
AS20011 Dimension Data 813.8K
AS10474 Dimension Data 803.3K
AS36937 Liquid Telecommunications South Africa (Pty) Ltd 720.9K
AS8075 Microsoft Corporation 591.1K
AS16509 Amazon.com, Inc. 498.7K
AS37611 AFRIHOST SP (PTY) LTD 476.7K
AS37105 RAIN GROUP HOLDINGS (PTY) LTD 280.6K
AS37130 State Information Technology Agency SOC Ltd 266.8K
AS11845 Vox Telecom Ltd 247.8K
AS37153 Xneelo (Pty) Ltd 213.8K
AS37501 University of the Free State 198.7K
AS8094 North West University 196.1K
AS328471 HERO TELECOMS (PTY) LTD 161.3K
AS37518 Fiber Grid INC 158.5K
AS327782 Metro Fibre Networx (Pty) Ltd 157.2K
AS36943 1 GRID (PTY) LTD 139.5K

Regions / states / provinces

Network composition

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

By operator category
CategoryIPv4Share
Enterprise 11.16M
53.0%
ISP / Telecom 6.85M
32.5%
Mobile 2.58M
12.3%
Hosting / Cloud 249.1K
1.2%
Academic / Research 130.8K
0.6%
Government 80.1K
0.4%
CDN 1.5K
0.0%
By regional registry (RIR)
RegistryIPv4Share
AFRINIC 27.59M
94.5%
ARIN 1.32M
4.5%
RIPE NCC 243.4K
0.8%
APNIC 49.8K
0.2%
LACNIC 512
0.0%
Prefix-size distribution (network ranges by block size)
/8–/15
53
/16–/19
322
/20–/22
1,210
/23
449
/24
933
/25–/28
357
/29–/32
803

Routing & security

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

Announced prefixes
39,276
Origin ASNs
1,031
RPKI-valid
61.5%
24,164 of 39,276 ROA-covered

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

Web3 footprint

South Africa hosts 53 observed decentralized-network nodes across 7 networks. It’s a neutral signal — it does not affect the reputation score. See the full web3 node map.

Reverse-DNS, threat intelligence & internet health

How much of South Africa'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
32.1%
9.37M IPs with a PTR
On threat blocklists
295
flagged across 9 feeds
Internet adoption
78.4%
of population · 2024
Censorship signal
1.9%
0 confirmed-blocked · 30d
Network outages
2
events · last 90d
Median speed
64 Mbps ↓
38 Mbps ↑ · 34ms
32.1% 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 South Africa?

South Africa has 29,190,685 IPv4 addresses allocated across 4,117 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 South Africa?

The top organizations in South Africa 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 South Africa?

South Africa 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 South Africa in?

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

Last updated: 2026-10-14 10:24:05 UTC
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