AS2018
Tertiary Education and Research Network of South Africa
Reputation · trust score
A transparent 0–100 signal. Every entity starts at a neutral baseline of 65; threat-intel blocklists, exposure, reverse-DNS, routing and allocation each adjust it up or down. Higher is more trustworthy.
- Baseline (neutral) 65
- Academic allocation +6
- Trust score 71 / 100
Experimental · trust-vectors model v1.2.0 — a transparent heuristic, not a definitive verdict. How it works →
Network profile
Source: PeeringDB →Present at 8 internet exchanges: CINX: CINX Peering, JINX: JINX Peering, NAPAfrica IX Johannesburg: Peering, NAPAfrica IX Cape Town, AMS-IX, DINX: DINX Peering, NAPAfrica IX Durban, LINX LON1: Main
AS2018 — global IP footprint
Cities where AS2018 has measurable IPv4 allocation. Click any dot to open that city's page. Size and color scale with IP count.
Top CIDR ranges
BGP Announced Prefixes
Live BGP anomalies →Prefixes AS2018 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.
| Prefix | Announcement samples | Last seen |
|---|---|---|
| 196.21.174.0/24 | 701,022 | 2026-09-10 18:12:26 |
| 196.24.96.0/24 | 696,543 | 2026-09-10 18:12:26 |
| 196.24.36.0/24 | 309,361 | 2026-09-10 18:12:26 |
| 154.114.15.0/24 | 242,255 | 2026-08-07 06:03:55 |
| 155.232.61.0/24 | 191,184 | 2026-09-10 18:12:26 |
| 155.240.192.0/19 | 172,022 | 2026-09-10 18:12:30 |
| 155.240.224.0/19 | 172,012 | 2026-09-10 18:12:30 |
| 155.240.160.0/19 | 171,971 | 2026-09-10 18:12:30 |
| 196.21.229.0/24 | 141,032 | 2026-09-10 18:12:26 |
| 196.21.62.0/24 | 65,085 | 2026-09-10 18:12:26 |
| 196.21.63.0/24 | 65,060 | 2026-09-10 18:12:26 |
| 196.21.61.0/24 | 65,041 | 2026-09-10 18:12:26 |
| 196.21.60.0/24 | 64,970 | 2026-09-10 18:12:26 |
| 196.21.98.0/24 | 64,118 | 2026-09-10 18:12:26 |
| 154.114.44.0/24 | 61,525 | 2026-09-10 18:12:26 |
| 155.232.250.0/24 | 57,917 | 2026-09-10 18:08:09 |
| 196.24.97.0/24 | 56,169 | 2026-09-10 18:12:26 |
| 154.114.47.0/24 | 48,209 | 2026-09-10 18:12:26 |
| 196.24.250.0/24 | 46,273 | 2026-09-10 18:12:26 |
| 196.21.8.0/24 | 45,855 | 2026-09-10 18:12:26 |
| 155.232.26.0/24 | 44,576 | 2026-09-10 18:12:26 |
| 196.21.191.0/24 | 44,201 | 2026-09-10 18:12:26 |
| 196.24.246.0/24 | 42,190 | 2026-09-10 18:12:26 |
| 196.21.117.0/24 | 40,523 | 2026-09-10 18:12:26 |
| 196.24.55.0/24 | 40,482 | 2026-09-10 18:12:26 |
| 196.21.206.0/24 | 40,109 | 2026-09-10 18:12:26 |
| 155.232.20.0/24 | 39,818 | 2026-09-10 18:12:26 |
| 196.21.104.0/24 | 36,542 | 2026-09-10 18:12:26 |
| 154.114.70.0/24 | 33,926 | 2026-09-10 18:12:26 |
| 196.21.157.0/24 | 33,135 | 2026-09-10 18:12:26 |
| 196.21.69.0/24 | 31,739 | 2026-09-10 18:12:26 |
| 196.21.72.0/24 | 31,656 | 2026-09-10 18:12:26 |
| 196.21.64.0/21 | 31,612 | 2026-09-10 18:12:26 |
| 154.114.27.0/24 | 29,748 | 2026-09-10 18:12:26 |
| 196.21.56.0/22 | 29,442 | 2026-09-10 18:12:26 |
| 196.21.187.0/24 | 29,309 | 2026-09-10 18:12:26 |
| 196.21.57.0/24 | 29,106 | 2026-09-10 18:12:26 |
| 196.21.58.0/24 | 29,071 | 2026-09-10 18:12:26 |
| 196.21.59.0/24 | 29,068 | 2026-09-10 18:12:26 |
| 196.13.200.0/24 | 29,067 | 2026-09-10 18:12:30 |
| 196.21.186.0/24 | 28,904 | 2026-09-10 18:12:26 |
| 196.24.83.0/24 | 28,839 | 2026-09-10 18:12:26 |
| 137.215.0.0/17 | 28,702 | 2026-09-10 18:08:24 |
| 137.215.128.0/17 | 28,555 | 2026-09-10 18:07:46 |
| 154.114.71.0/24 | 26,699 | 2026-09-10 18:12:26 |
| 196.24.103.0/24 | 26,565 | 2026-09-10 18:12:26 |
| 154.114.36.0/24 | 26,246 | 2026-09-10 18:12:26 |
| 196.248.1.0/24 | 25,338 | 2026-09-10 18:07:46 |
| 196.24.86.0/24 | 24,679 | 2026-09-10 18:12:26 |
| 196.21.153.0/24 | 24,207 | 2026-09-10 18:12:26 |
Showing top 50 of 377 announced prefixes by sample volume.
Frequently Asked Questions
What is AS2018?
AS2018 is an Autonomous System Number assigned to Tertiary Education and Research Network of South Africa. An ASN identifies a network that controls a specific set of IP addresses and determines how traffic is routed across the internet via BGP (Border Gateway Protocol).
How many IP addresses does AS2018 announce?
AS2018 announces 1.15M IPv4 addresses distributed across 111 routed CIDR prefixes. The network is registered in South Africa.
Who operates AS2018?
AS2018 is operated by Tertiary Education and Research Network of South Africa. The organization is based in South Africa. You can view all IP ranges and related ASNs on the organization page.
What country is AS2018 registered in?
AS2018 is registered in South Africa. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.
