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
- Trust score 65 / 100
Experimental · trust-vectors model v1.2.0 — a transparent heuristic, not a definitive verdict. How it works →
Network profile
Source: PeeringDB →Present at 3 internet exchanges: NAPAfrica IX Johannesburg: Peering, NAPAfrica IX Cape Town, NAPAfrica IX Durban
Top CIDR ranges
| CIDR | IPs | PTR Density | Organization | Country | State | City |
|---|---|---|---|---|---|---|
| 41.77.24.0/21 | 2.0K |
96.9%
|
Telemasters | ZA | Gauteng | Bryanston |
| 196.223.56.0/21 | 2.0K |
100.0%
|
Telemasters | ZA | Gauteng | Krugersdorp |
BGP Announced Prefixes
Live BGP anomalies →Prefixes AS37673 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 |
|---|---|---|
| 41.77.24.0/22 | 5,201 | 2026-07-24 15:46:37 |
| 196.223.56.0/23 | 5,197 | 2026-07-24 15:46:37 |
| 41.77.28.0/22 | 5,186 | 2026-07-24 15:46:37 |
| 196.223.60.0/22 | 5,163 | 2026-07-24 15:46:37 |
| 196.223.62.0/23 | 5,117 | 2026-07-24 15:46:36 |
| 196.223.56.0/22 | 5,116 | 2026-07-24 15:46:36 |
| 41.77.27.0/24 | 955 | 2026-07-24 13:14:18 |
| 196.223.62.0/24 | 845 | 2026-07-24 13:14:18 |
Frequently Asked Questions
What is AS37673?
AS37673 is an Autonomous System Number assigned to Telemasters. 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 AS37673 announce?
AS37673 announces 4.1K IPv4 addresses distributed across 2 routed CIDR prefixes. The network is registered in South Africa.
Who operates AS37673?
AS37673 is operated by Telemasters. The organization is based in South Africa. You can view all IP ranges and related ASNs on the organization page.
What country is AS37673 registered in?
AS37673 is registered in South Africa. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.
