HTTPfy

AS2018 Tertiary Education and Research Network of South Africa

Tertiary Education and Research Network of South Africa - Tertiary Education and Research Network of South Africa · registered in South Africa

IPv4 addresses1,148,160359 prefixes · 0.037% of announced IPv4
Rank in South Africa#8largest network in ZA by IPv4 space, of 653 · 4.97% of ZA
Rank worldwide#322of 79,396 networks with IPv4
IPv665,535 x /48123 prefixes
CountrySouth Africa658 ASNs registered there

IPv4 prefixes

All 359 prefixes, in address order.

  • 137.214.0.0/15
  • 143.128.0.0/16
  • 146.64.0.0/22
  • 146.64.4.0/23
  • 146.64.6.0/23
  • 146.64.8.0/24
  • 146.64.9.0/24
  • 146.64.10.0/23
  • 146.64.12.0/22
  • 146.64.16.0/22
  • 146.64.20.0/22
  • 146.64.24.0/22
  • 146.64.28.0/24
  • 146.64.29.0/24
  • 146.64.30.0/23
  • 146.64.32.0/20
  • 146.64.48.0/21
  • 146.64.56.0/23
  • 146.64.58.0/24
  • 146.64.59.0/24
  • 146.64.60.0/22
  • 146.64.64.0/20
  • 146.64.80.0/24
  • 146.64.81.0/24
  • 146.64.82.0/23
  • 146.64.84.0/23
  • 146.64.86.0/24
  • 146.64.87.0/24
  • 146.64.88.0/21
  • 146.64.96.0/19
  • 146.64.128.0/18
  • 146.64.192.0/19
  • 146.64.224.0/19
  • 146.141.0.0/16
  • 146.230.0.0/16
  • 146.232.0.0/16
  • 152.106.0.0/23
  • 152.106.2.0/24
  • 152.106.3.0/24
  • 152.106.4.0/22
  • 152.106.8.0/24
  • 152.106.9.0/24
  • 152.106.10.0/23
  • 152.106.12.0/22
  • 152.106.16.0/20
  • 152.106.32.0/19
  • 152.106.64.0/19
  • 152.106.96.0/22
  • 152.106.100.0/23
  • 152.106.102.0/24
  • 152.106.103.0/24
  • 152.106.104.0/21
  • 152.106.112.0/21
  • 152.106.120.0/24
  • 152.106.121.0/24
  • 152.106.122.0/23
  • 152.106.124.0/22
  • 152.106.128.0/17
  • 152.112.0.0/16
  • 154.114.0.0/21
  • 154.114.8.0/22
  • 154.114.12.0/22
  • 154.114.16.0/23
  • 154.114.18.0/23
  • 154.114.20.0/22
  • 154.114.24.0/24
  • 154.114.26.0/23
  • 154.114.28.0/23
  • 154.114.30.0/23
  • 154.114.32.0/21
  • 154.114.40.0/23
  • 154.114.42.0/23
  • 154.114.44.0/24
  • 154.114.45.0/24
  • 154.114.46.0/23
  • 154.114.48.0/22
  • 154.114.52.0/23
  • 154.114.54.0/24
  • 154.114.55.0/24
  • 154.114.56.0/21
  • 154.114.64.0/18
  • 154.115.1.0/24
  • 154.115.2.0/23
  • 154.115.4.0/22
  • 154.115.8.0/21
  • 154.115.16.0/20
  • 154.115.32.0/19
  • 154.115.64.0/19
  • 154.115.96.0/20
  • 155.232.0.0/21
  • 155.232.8.0/23
  • 155.232.10.0/24
  • 155.232.11.0/24
  • 155.232.12.0/22
  • 155.232.16.0/22
  • 155.232.20.0/24
  • 155.232.21.0/24
  • 155.232.22.0/23
  • 155.232.24.0/21
  • 155.232.32.0/22
  • 155.232.36.0/23
  • 155.232.38.0/24
  • 155.232.39.0/24
  • 155.232.40.0/21
  • 155.232.48.0/21
  • 155.232.56.0/22
  • 155.232.60.0/23
  • 155.232.62.0/23
  • 155.232.64.0/18
  • 155.232.128.0/21
  • 155.232.136.0/21
  • 155.232.144.0/20
  • 155.232.160.0/20
  • 155.232.176.0/21
  • 155.232.184.0/23
  • 155.232.186.0/24
  • 155.232.187.0/24
  • 155.232.188.0/22
  • 155.232.192.0/22
  • 155.232.196.0/22
  • 155.232.200.0/21
  • 155.232.208.0/20
  • 155.232.224.0/20
  • 155.232.240.0/24
  • 155.232.241.0/24
  • 155.232.242.0/23
  • 155.232.244.0/22
  • 155.232.248.0/24
  • 155.232.249.0/24
  • 155.232.250.0/23
  • 155.232.252.0/24
  • 155.232.253.0/24
  • 155.232.254.0/23
  • 155.238.0.0/16
  • 155.240.160.0/19
  • 155.240.192.0/18
  • 163.200.0.0/16
  • 168.172.0.0/23
  • 168.172.2.0/23
  • 168.172.4.0/22
  • 168.172.8.0/21
  • 168.172.16.0/20
  • 168.172.32.0/21
  • 168.172.40.0/23
  • 168.172.42.0/23
  • 168.172.44.0/22
  • 168.172.48.0/20
  • 168.172.64.0/20
  • 168.172.80.0/21
  • 168.172.88.0/23
  • 168.172.90.0/23
  • 168.172.92.0/22
  • 168.172.96.0/21
  • 168.172.104.0/22
  • 168.172.108.0/23
  • 168.172.110.0/23
  • 168.172.112.0/20
  • 168.172.128.0/21
  • 168.172.136.0/23
  • 168.172.138.0/24
  • 168.172.139.0/24
  • 168.172.140.0/24
  • 168.172.141.0/24
  • 168.172.142.0/23
  • 168.172.144.0/22
  • 168.172.148.0/22
  • 168.172.152.0/21
  • 168.172.160.0/21
  • 168.172.168.0/24
  • 168.172.169.0/24
  • 168.172.170.0/24
  • 168.172.171.0/24
  • 168.172.172.0/22
  • 168.172.176.0/20
  • 168.172.192.0/19
  • 168.172.224.0/20
  • 168.172.240.0/23
  • 168.172.242.0/23
  • 168.172.244.0/22
  • 168.172.248.0/21
  • 192.33.10.0/24
  • 192.94.61.0/24
  • 192.94.210.0/24
  • 192.96.2.0/24
  • 192.96.5.0/24
  • 192.96.7.0/24
  • 192.96.8.0/24
  • 192.96.15.0/24
  • 192.96.20.0/23
  • 192.96.94.0/23
  • 192.96.109.0/24
  • 192.96.140.0/23
  • 192.96.142.0/24
  • 192.96.247.0/24
  • 192.96.248.0/23
  • 192.96.250.0/24
  • 192.96.252.0/24
  • 192.102.9.0/24
  • 196.4.95.0/24
  • 196.6.198.0/24
  • 196.10.121.0/24
  • 196.10.203.0/24
  • 196.11.76.0/22
  • 196.11.98.0/24
  • 196.11.136.0/21
  • 196.11.235.0/24
  • 196.13.115.0/24
  • 196.13.116.0/22
  • 196.13.150.0/24
  • 196.13.185.0/24
  • 196.13.187.0/24
  • 196.13.188.0/23
  • 196.13.190.0/24
  • 196.13.200.0/24
  • 196.21.0.0/21
  • 196.21.8.0/24
  • 196.21.9.0/24
  • 196.21.10.0/23
  • 196.21.12.0/22
  • 196.21.16.0/20
  • 196.21.32.0/24
  • 196.21.33.0/24
  • 196.21.34.0/23
  • 196.21.36.0/22
  • 196.21.41.0/24
  • 196.21.42.0/23
  • 196.21.44.0/22
  • 196.21.48.0/20
  • 196.21.64.0/22
  • 196.21.68.0/23
  • 196.21.70.0/23
  • 196.21.72.0/21
  • 196.21.80.0/21
  • 196.21.88.0/23
  • 196.21.90.0/23
  • 196.21.92.0/22
  • 196.21.96.0/21
  • 196.21.104.0/24
  • 196.21.105.0/24
  • 196.21.106.0/23
  • 196.21.108.0/23
  • 196.21.110.0/23
  • 196.21.112.0/20
  • 196.21.128.0/22
  • 196.21.132.0/23
  • 196.21.134.0/23
  • 196.21.136.0/21
  • 196.21.144.0/21
  • 196.21.152.0/23
  • 196.21.154.0/23
  • 196.21.156.0/23
  • 196.21.160.0/22
  • 196.21.168.0/23
  • 196.21.170.0/23
  • 196.21.172.0/22
  • 196.21.176.0/22
  • 196.21.185.0/24
  • 196.21.186.0/23
  • 196.21.188.0/22
  • 196.21.192.0/22
  • 196.21.196.0/23
  • 196.21.198.0/23
  • 196.21.200.0/24
  • 196.21.201.0/24
  • 196.21.202.0/23
  • 196.21.204.0/23
  • 196.21.206.0/24
  • 196.21.207.0/24
  • 196.21.208.0/21
  • 196.21.216.0/23
  • 196.21.218.0/24
  • 196.21.219.0/24
  • 196.21.220.0/22
  • 196.21.224.0/21
  • 196.21.232.0/22
  • 196.21.236.0/23
  • 196.21.238.0/23
  • 196.21.240.0/22
  • 196.21.244.0/23
  • 196.21.246.0/23
  • 196.21.248.0/23
  • 196.21.250.0/24
  • 196.21.251.0/24
  • 196.21.252.0/24
  • 196.21.253.0/24
  • 196.21.254.0/23
  • 196.24.0.0/22
  • 196.24.4.0/24
  • 196.24.5.0/24
  • 196.24.6.0/23
  • 196.24.8.0/21
  • 196.24.16.0/20
  • 196.24.32.0/24
  • 196.24.33.0/24
  • 196.24.34.0/23
  • 196.24.36.0/24
  • 196.24.37.0/24
  • 196.24.38.0/23
  • 196.24.41.0/24
  • 196.24.42.0/23
  • 196.24.44.0/24
  • 196.24.45.0/24
  • 196.24.46.0/24
  • 196.24.47.0/24
  • 196.24.48.0/23
  • 196.24.50.0/24
  • 196.24.51.0/24
  • 196.24.52.0/22
  • 196.24.56.0/22
  • 196.24.60.0/24
  • 196.24.61.0/24
  • 196.24.62.0/23
  • 196.24.64.0/22
  • 196.24.68.0/23
  • 196.24.70.0/24
  • 196.24.71.0/24
  • 196.24.72.0/21
  • 196.24.80.0/22
  • 196.24.84.0/22
  • 196.24.88.0/21
  • 196.24.96.0/22
  • 196.24.100.0/22
  • 196.24.104.0/23
  • 196.24.106.0/23
  • 196.24.108.0/22
  • 196.24.112.0/23
  • 196.24.114.0/23
  • 196.24.116.0/22
  • 196.24.120.0/21
  • 196.24.192.0/19
  • 196.24.224.0/20
  • 196.24.240.0/21
  • 196.24.248.0/23
  • 196.24.250.0/24
  • 196.24.251.0/24
  • 196.24.252.0/22
  • 196.248.0.0/23
  • 196.248.2.0/23
  • 196.248.4.0/22
  • 196.248.8.0/21
  • 196.248.16.0/20
  • 196.248.32.0/19
  • 196.248.64.0/18
  • 196.248.128.0/17
  • 196.249.0.0/18
  • 196.252.228.0/23
  • 198.54.58.0/24
  • 198.54.65.0/24
  • 198.54.66.0/24
  • 198.54.68.0/24
  • 198.54.83.0/24
  • 198.54.91.0/24
  • 198.54.155.0/24
  • 198.54.173.0/24
  • 198.54.174.0/24
  • 198.54.223.0/24
  • 198.54.234.0/24
  • 198.54.249.0/24
  • 198.54.250.0/23

IPv6 prefixes

All 123 prefixes.

  • 2001:4200::/42
  • 2001:4200:40::/45
  • 2001:4200:48::/48
  • 2001:4200:49::/48
  • 2001:4200:4a::/47
  • 2001:4200:4c::/46
  • 2001:4200:50::/44
  • 2001:4200:60::/43
  • 2001:4200:80::/41
  • 2001:4200:100::/40
  • 2001:4200:200::/40
  • 2001:4200:310::/44
  • 2001:4200:320::/43
  • 2001:4200:340::/42
  • 2001:4200:380::/45
  • 2001:4200:388::/47
  • 2001:4200:38a::/47
  • 2001:4200:38c::/46
  • 2001:4200:390::/44
  • 2001:4200:3a0::/43
  • 2001:4200:3c0::/42
  • 2001:4200:400::/41
  • 2001:4200:480::/44
  • 2001:4200:490::/46
  • 2001:4200:494::/48
  • 2001:4200:495::/48
  • 2001:4200:496::/47
  • 2001:4200:498::/45
  • 2001:4200:4a0::/43
  • 2001:4200:4c0::/42
  • 2001:4200:500::/41
  • 2001:4200:580::/44
  • 2001:4200:590::/45
  • 2001:4200:598::/45
  • 2001:4200:5a0::/43
  • 2001:4200:5c0::/42
  • 2001:4200:600::/39
  • 2001:4200:800::/37
  • 2001:4200:1000::/36
  • 2001:4200:2000::/36
  • 2001:4200:3000::/43
  • 2001:4200:3020::/48
  • 2001:4200:3021::/48
  • 2001:4200:3022::/47
  • 2001:4200:3024::/46
  • 2001:4200:3028::/45
  • 2001:4200:3030::/44
  • 2001:4200:3040::/42
  • 2001:4200:3080::/41
  • 2001:4200:3100::/40
  • 2001:4200:3200::/48
  • 2001:4200:3201::/48
  • 2001:4200:3202::/47
  • 2001:4200:3204::/46
  • 2001:4200:3208::/45
  • 2001:4200:3210::/44
  • 2001:4200:3220::/43
  • 2001:4200:3240::/42
  • 2001:4200:3280::/41
  • 2001:4200:3300::/40
  • 2001:4200:3400::/48
  • 2001:4200:3401::/48
  • 2001:4200:3402::/47
  • 2001:4200:3404::/46
  • 2001:4200:3408::/45
  • 2001:4200:3410::/44
  • 2001:4200:3420::/43
  • 2001:4200:3440::/42
  • 2001:4200:3480::/41
  • 2001:4200:3500::/40
  • 2001:4200:3600::/39
  • 2001:4200:3800::/37
  • 2001:4200:4000::/36
  • 2001:4200:5001::/48
  • 2001:4200:5002::/47
  • 2001:4200:5004::/46
  • 2001:4200:5008::/45
  • 2001:4200:5010::/44
  • 2001:4200:5020::/43
  • 2001:4200:5040::/42
  • 2001:4200:5080::/41
  • 2001:4200:5100::/40
  • 2001:4200:5200::/39
  • 2001:4200:5400::/38
  • 2001:4200:5800::/37
  • 2001:4200:6000::/36
  • 2001:4200:7000::/48
  • 2001:4200:7001::/48
  • 2001:4200:7002::/47
  • 2001:4200:7004::/46
  • 2001:4200:7008::/45
  • 2001:4200:7010::/44
  • 2001:4200:7020::/43
  • 2001:4200:7040::/42
  • 2001:4200:7080::/41
  • 2001:4200:7100::/40
  • 2001:4200:7200::/39
  • 2001:4200:7400::/38
  • 2001:4200:7800::/48
  • 2001:4200:7801::/48
  • 2001:4200:7802::/47
  • 2001:4200:7804::/46
  • 2001:4200:7808::/45
  • 2001:4200:7810::/44
  • 2001:4200:7820::/43
  • 2001:4200:7840::/42
  • 2001:4200:7880::/41
  • 2001:4200:7900::/40
  • 2001:4200:7a00::/39
  • 2001:4200:7c00::/38
  • 2001:4200:8000::/44
  • 2001:4200:8010::/44
  • 2001:4200:8020::/43
  • 2001:4200:8040::/42
  • 2001:4200:8080::/41
  • 2001:4200:8100::/40
  • 2001:4200:8200::/39
  • 2001:4200:8400::/38
  • 2001:4200:8800::/37
  • 2001:4200:9000::/36
  • 2001:4200:a000::/35
  • 2001:4200:c000::/34
  • 2001:43f8:700::/44

Other ASNs named Tertiary Education and Research Network of South Africa

1 other network uses the same organisation name; together with AS2018 they announce 1,148,416 IPv4 addresses.

ASNNameIPv4 addresses
AS6149Tertiary Education and Research Network of South Africa - Tertiary Education and Research Network of South Africa ZA256

Similar-sized networks in South Africa

ASNNameIPv4 addresses
AS37457#5 Telkom SA Ltd. - Telkom SA Ltd.1,577,216
AS5713#6 Telkom SA Ltd. - Telkom SA Ltd.1,452,544
AS12091#7 MTN SA - MTN SA1,245,696
AS36937#9 Liquid Telecommunications South Africa (Pty) Ltd - Liquid Telecommunications South Africa (Pty) Ltd879,104
AS36994#10 Vodacom - Vodacom830,464
AS10474#11 Dimension Data - Dimension Data802,048

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