$ query “AS2018” --type=asn → 1 result(s)

AS2018 · TENET-2018

Tertiary Education Network

AS2018 is operated by Tertiary Education Network and serves as an educational/research access provider, based in South Africa since 2006. The system announces an impressive 1.3 million IPv4 addresses, including a /15, and supports IPv6. Most of its address space is geolocated to South Africa, with additional presence in Lesotho and Eswatini, and a smaller footprint in another country. Prefix announcements for this AS were recently updated.

  • Top 5% — Top 5% of all autonomous systems by reach and degree

Basic Information

Country
🇿🇦 South Africa
Category
Education/Research
Network Role
Access Provider
Data Origin
Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
Registered
July 01, 2006
Last Changed
May 10, 2026
Last Seen
June 16, 2026 (active)

Prefix Summary

IPv4 Prefixes (raw / aggregated)
374 / 69
IPv6 Prefixes (raw / aggregated)
15 / 2
IPv4 Addresses
1 303 552
Largest IPv4 Prefix
/15 (131 072 addresses)
Largest IPv6 Prefix
/32
Geolocated Countries
🇿🇦 South Africa (1 983 744 IPs), 🇱🇸 Lesotho (66 560 IPs), 🇸🇿 Eswatini (1 024 IPs) and 1 more
Prefix Changed
June 15, 2026

Reputation

Reputation
Good — 1 flagged IPs out of 1 303 552 total (0.00%)

Connectivity Summary

Upstream Providers
5 upstreams providing transit
Peers
189 networks exchanging traffic without transit
Downstream Customers
7 downstreams buying transit
Unclassified
4 unclassified BGP neighbors
Degree
205 unique BGP neighbors
Reach
7 networks in customer cone

Upstream Providers (5)

Prefix Lists

IPv4 Prefixes (374 total)

  • 137.214.0.0/15 (131 072 addresses (/15 prefix))
  • 196.254.0.0/15 (131 072 addresses (/15 prefix))
  • 163.200.0.0/16 (65 536 addresses (/16 prefix))
  • 196.248.0.0/16 (65 536 addresses (/16 prefix))
  • 146.230.0.0/16 (65 536 addresses (/16 prefix))
  • 146.232.0.0/16 (65 536 addresses (/16 prefix))
  • 152.106.0.0/16 (65 536 addresses (/16 prefix))
  • 152.112.0.0/16 (65 536 addresses (/16 prefix))
  • 196.21.0.0/16 (65 536 addresses (/16 prefix))
  • 196.24.0.0/16 (65 536 addresses (/16 prefix))
  • 155.232.0.0/16 (65 536 addresses (/16 prefix))
  • 155.238.0.0/16 (65 536 addresses (/16 prefix))
  • 146.64.0.0/16 (65 536 addresses (/16 prefix))
  • 143.128.0.0/16 (65 536 addresses (/16 prefix))
  • 146.141.0.0/16 (65 536 addresses (/16 prefix))
  • 168.172.0.0/16 (65 536 addresses (/16 prefix))
  • 154.115.0.0/17 (32 768 addresses (/17 prefix))
  • 154.114.0.0/17 (32 768 addresses (/17 prefix))
  • 155.240.192.0/18 (16 384 addresses (/18 prefix))
  • 196.249.0.0/18 (16 384 addresses (/18 prefix))
  • 155.240.160.0/19 (8 192 addresses (/19 prefix))
  • 196.11.136.0/21 (2 048 addresses (/21 prefix))
  • 196.13.116.0/22 (1 024 addresses (/22 prefix))
  • 196.11.76.0/22 (1 024 addresses (/22 prefix))
  • 192.96.20.0/23 (512 addresses (/23 prefix))
  • 192.96.94.0/23 (512 addresses (/23 prefix))
  • 196.13.188.0/23 (512 addresses (/23 prefix))
  • 192.96.140.0/23 (512 addresses (/23 prefix))
  • 196.252.228.0/23 (512 addresses (/23 prefix))
  • 198.54.250.0/23 (512 addresses (/23 prefix))
  • 192.96.248.0/23 (512 addresses (/23 prefix))
  • 192.94.61.0/24 (256 addresses (/24 prefix))
  • 192.96.15.0/24 (256 addresses (/24 prefix))
  • 192.102.9.0/24 (256 addresses (/24 prefix))
  • 196.4.95.0/24 (256 addresses (/24 prefix))
  • 196.6.198.0/24 (256 addresses (/24 prefix))
  • 196.10.121.0/24 (256 addresses (/24 prefix))
  • 196.10.203.0/24 (256 addresses (/24 prefix))
  • 192.96.250.0/24 (256 addresses (/24 prefix))
  • 196.11.98.0/24 (256 addresses (/24 prefix))
  • 192.96.247.0/24 (256 addresses (/24 prefix))
  • 196.11.235.0/24 (256 addresses (/24 prefix))
  • 196.13.115.0/24 (256 addresses (/24 prefix))
  • 192.96.142.0/24 (256 addresses (/24 prefix))
  • 196.13.150.0/24 (256 addresses (/24 prefix))
  • 196.13.185.0/24 (256 addresses (/24 prefix))
  • 196.13.187.0/24 (256 addresses (/24 prefix))
  • 192.96.109.0/24 (256 addresses (/24 prefix))
  • 196.13.190.0/24 (256 addresses (/24 prefix))
  • 196.13.200.0/24 (256 addresses (/24 prefix))

IPv6 Prefixes (15 total)

  • 2001:4200::/32
  • 2001:43f8:700::/44