Autonomous System
AS2018 Tertiary Education and Research Network of South Africa
ISPActiveSouth AfricaAFRINIC
AS2018 (Tertiary Education and Research Network of South Africa) is an ISP network operated by Tertiary Education and Research Network of South Africa in South Africa, registered with AFRINIC. It has 375 IPv4 prefixes with 2,139,648 addresses and 14 IPv6 prefixes, which makes it the 248th largest of 82,612 active autonomous systems by IPv4 space.
IPv4 addresses2,139,648in 375 prefixes
IPv6 prefixes14≈ 7.9 × 10²⁸ addresses
Size rank#248of 82,612 active ASNs
Details
OrganizationTertiary Education and Research Network of South Africa
AS nameTertiary Education and Research Network of South Africa
Websitetenet.ac.za
Country South Africa (ZA)
Network typeISP
RegistryAFRINIC
Abuse contactabuse@tenet.ac.za
Registered—
Last updated—
IPv4 prefixes
375 prefixes · 2,139,648 addresses| Network | Addresses | First – last address |
|---|---|---|
| 196.254.0.0/15 | 131,072 | 196.254.0.0 – 196.255.255.255 |
| 137.214.0.0/16 | 65,536 | 137.214.0.0 – 137.214.255.255 |
| 137.215.0.0/16 | 65,536 | 137.215.0.0 – 137.215.255.255 |
| 143.128.0.0/16 | 65,536 | 143.128.0.0 – 143.128.255.255 |
| 146.64.0.0/16 | 65,536 | 146.64.0.0 – 146.64.255.255 |
| 146.141.0.0/16 | 65,536 | 146.141.0.0 – 146.141.255.255 |
| 146.230.0.0/16 | 65,536 | 146.230.0.0 – 146.230.255.255 |
| 152.106.0.0/16 | 65,536 | 152.106.0.0 – 152.106.255.255 |
| 152.112.0.0/16 | 65,536 | 152.112.0.0 – 152.112.255.255 |
| 155.232.0.0/16 | 65,536 | 155.232.0.0 – 155.232.255.255 |
| 155.238.0.0/16 | 65,536 | 155.238.0.0 – 155.238.255.255 |
| 163.200.0.0/16 | 65,536 | 163.200.0.0 – 163.200.255.255 |
| 168.172.0.0/16 | 65,536 | 168.172.0.0 – 168.172.255.255 |
| 196.21.0.0/16 | 65,536 | 196.21.0.0 – 196.21.255.255 |
| 196.24.0.0/16 | 65,536 | 196.24.0.0 – 196.24.255.255 |
| 196.248.0.0/16 | 65,536 | 196.248.0.0 – 196.248.255.255 |
| 137.214.0.0/17 | 32,768 | 137.214.0.0 – 137.214.127.255 |
| 137.214.128.0/17 | 32,768 | 137.214.128.0 – 137.214.255.255 |
| 137.215.0.0/17 | 32,768 | 137.215.0.0 – 137.215.127.255 |
| 137.215.128.0/17 | 32,768 | 137.215.128.0 – 137.215.255.255 |
| 143.128.0.0/17 | 32,768 | 143.128.0.0 – 143.128.127.255 |
| 143.128.128.0/17 | 32,768 | 143.128.128.0 – 143.128.255.255 |
| 146.64.0.0/17 | 32,768 | 146.64.0.0 – 146.64.127.255 |
| 146.64.128.0/17 | 32,768 | 146.64.128.0 – 146.64.255.255 |
| 146.230.0.0/17 | 32,768 | 146.230.0.0 – 146.230.127.255 |
196.254.0.0/15 137.214.0.0/16 137.215.0.0/16 143.128.0.0/16 146.64.0.0/16 146.141.0.0/16 146.230.0.0/16 152.106.0.0/16 152.112.0.0/16 155.232.0.0/16 155.238.0.0/16 163.200.0.0/16 168.172.0.0/16 196.21.0.0/16 196.24.0.0/16 196.248.0.0/16 137.214.0.0/17 137.214.128.0/17 137.215.0.0/17 137.215.128.0/17 143.128.0.0/17 143.128.128.0/17 146.64.0.0/17 146.64.128.0/17 146.230.0.0/17
The 25 largest of 375. The API and the database have all of them.
IPv6 prefixes
14 prefixes- 2001:4200::/32
- 2001:4200:3200::/44
- 2001:4200:8000::/44
- 2001:43f8:700::/44
- 2001:4200:48::/48
- 2001:4200:4b::/48
- 2001:4200:389::/48
- 2001:4200:494::/48
- 2001:4200:597::/48
- 2001:4200:3020::/48
- 2001:4200:3200::/48
- 2001:4200:3400::/48
- 2001:4200:7000::/48
- 2001:4200:7800::/48
2001:4200::/32 2001:4200:3200::/44 2001:4200:8000::/44 2001:43f8:700::/44 2001:4200:48::/48 2001:4200:4b::/48 2001:4200:389::/48 2001:4200:494::/48 2001:4200:597::/48 2001:4200:3020::/48 2001:4200:3200::/48 2001:4200:3400::/48 2001:4200:7000::/48 2001:4200:7800::/48
Query AS2018 with the API
The ASN lookup returns everything on this page as JSON, including every prefix. ASN lookups need an API key: a free account comes with 1,000 requests a day.
curl "https://api.ipapi.is/?q=AS2018&key=YOUR_API_KEY"Any address in its prefixes resolves to AS2018, with or without a key:
curl "https://api.ipapi.is/?q=196.254.0.1"