Networks in South Africa

658 autonomous systems are registered in South Africa (ZA). Together they announce 23,124,480 IPv4 addresses, 0.74% of the announced total, which ranks South Africa #18 of 240 countries.

Autonomous systems658653 announce IPv4, 5 IPv6 only

IPv4 addresses23,124,4800.74% of announced IPv4 · #18 worldwide

Top 5 networks hold42.6%of South Africa's IPv4 space

IPv64,752 x /32 (311,487,950 x /48)303 of 658 networks (46%) announce IPv6

Small networks83announce a single /24 (256 addresses) or less

Look up AS16637, the largest network in ZA Look up any IP or ASN

Top 50 networks in South Africa by IPv4 space

#ASNNetworkIPv4 addressesOf ZA

1 AS16637 MTN SA - MTN SA 2,471,424 10.69%

2 AS3741 Dimension Data - Dimension Data 2,348,032 10.15%

3 AS29975 Vodacom - Vodacom 1,747,200 7.56%

4 AS37168 Cell C (Pty) Ltd - Cell C (Pty) Ltd 1,703,936 7.37%

5 AS37457 Telkom SA Ltd. - Telkom SA Ltd. 1,577,216 6.82%

6 AS5713 Telkom SA Ltd. - Telkom SA Ltd. 1,452,544 6.28%

7 AS12091 MTN SA - MTN SA 1,245,696 5.39%

8 AS2018 Tertiary Education and Research Network of South Africa - Tertiary Education and Research Network of South Africa 1,148,160 4.97%

9 AS36937 Liquid Telecommunications South Africa (Pty) Ltd - Liquid Telecommunications South Africa (Pty) Ltd 879,104 3.80%

10 AS36994 Vodacom - Vodacom 830,464 3.59%

11 AS10474 Dimension Data - Dimension Data 802,048 3.47%

12 AS20011 Dimension Data - Dimension Data 775,936 3.36%

13 AS37611 AFRIHOST SP (PTY) LTD - AFRIHOST SP (PTY) LTD 476,672 2.06%

14 AS37130 State Information Technology Agency SOC Ltd - State Information Technology Agency SOC Ltd 461,312 1.99%

15 AS37105 RAIN GROUP HOLDINGS (PTY) LTD - RAIN GROUP HOLDINGS (PTY) LTD 280,320 1.21%

16 AS11845 Vox Telecom Ltd - Vox Telecom Ltd 247,808 1.07%

17 AS37153 Xneelo (Pty) Ltd - Xneelo (Pty) Ltd 213,760 0.92%

18 AS37501 University of the Free State - University of the Free State 198,656 0.86%

19 AS8094 North West University - North West University 197,120 0.85%

20 AS328471 HERO TELECOMS (PTY) LTD - HERO TELECOMS (PTY) LTD 161,280 0.70%

21 AS327782 Metro Fibre Networx (Pty) Ltd - Metro Fibre Networx (Pty) Ltd 157,184 0.68%

22 AS36874 Cybersmart - Cybersmart 143,360 0.62%

23 AS36943 1 GRID (PTY) LTD - 1 GRID (PTY) LTD 139,520 0.60%

24 AS36982 University of Cape Town - University of Cape Town 135,680 0.59%

25 AS327839 Woolworths(Proprietary) Ltd - Woolworths(Proprietary) Ltd 134,144 0.58%

26 AS37053 RSAWEB (PTY) LTD - RSAWEB (PTY) LTD 120,320 0.52%

27 AS328608 Africa on Cloud - Africa on Cloud 97,280 0.42%

28 AS5734 Telkom SA Ltd. - Telkom SA Ltd. 94,976 0.41%

29 AS7020 Business Connexion Communications - Business Connexion Communications 89,088 0.39%

30 AS36916 X-DSL Networking Solutions - X-DSL Networking Solutions 81,920 0.35%

31 AS37680 Cool Ideas Service Provider (Pty) Ltd - Cool Ideas Service Provider (Pty) Ltd 74,752 0.32%

32 AS37028 First Rand Bank Limited - First Rand Bank Limited 70,400 0.30%

33 AS37520 Rhodes University - Rhodes University 65,792 0.28%

34 AS37007 Liberty Group Limited - Liberty Group Limited 65,536 0.28%

35 AS37121 Eskom Holdings SOC Ltd - Eskom Holdings SOC Ltd 65,536 0.28%

36 AS328109 City of Cape Town - City of Cape Town 65,536 0.28%

37 AS37179 Africa Independent Network Exchange (Pty) LTD (AfricaINX) - Africa Independent Network Exchange (Pty) LTD (AfricaINX) 60,672 0.26%

38 AS37564 Wirulink Pty Ltd - Wirulink Pty Ltd 43,776 0.19%

39 AS22355 Frogfoot Networks - Frogfoot Networks 42,752 0.18%

40 AS37315 Cipherwave - Cipherwave 41,984 0.18%

41 AS327901 Level 7 Wireless (Pty) Ltd - Level 7 Wireless (Pty) Ltd 41,216 0.18%

42 AS32653 eNetworks cc - eNetworks cc 40,960 0.18%

43 AS327750 JENNY INTERNET (PTY) LTD - JENNY INTERNET (PTY) LTD 39,936 0.17%

44 AS37525 Altron TMT (Pty) Ltd - Altron TMT (Pty) Ltd 38,912 0.17%

45 AS37356 Huge Networks (Pty) Ltd - Huge Networks (Pty) Ltd 38,400 0.17%

46 AS327794 Clear Access (Pty) Ltd - Clear Access (Pty) Ltd 36,096 0.16%

47 AS327688 Screamer Telecommunications - Screamer Telecommunications 33,792 0.15%

48 AS25818 CMC NETWORK (PTY) LTD - CMC NETWORK (PTY) LTD 33,536 0.15%

49 AS37515 iConnectSA (Pty) Ltd - iConnectSA (Pty) Ltd 28,672 0.12%

50 AS37353 Seacom Western Cape (Pty) Ltd - Seacom Western Cape (Pty) Ltd 28,160 0.12%

Countries of similar size

#15 Taiwan #16 Spain #17 Egypt #19 Mexico #20 Hong Kong #21 Poland All countries

IP-to-ASN data: iptoasn.com (public domain). Snapshot downloaded 2026-11-11, refreshed daily. Ranges are what each network announces in BGP, not registry allocations. Data sources