AS37691
Thought Express Semantic Technology
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 1 internet exchange: NAPAfrica IX Cape Town
Top CIDR ranges
| CIDR | IPs | PTR Density | Organization | Country | State | City |
|---|---|---|---|---|---|---|
| 196.11.48.0/22 | 1.0K |
25.0%
|
THOUGHTEXPRESS-AS | ZA | — | — |
| 196.11.52.0/24 | 256 |
0.0%
|
THOUGHTEXPRESS-AS | ZA | — | — |
| 196.11.55.0/24 | 256 |
0.0%
|
THOUGHTEXPRESS-AS | ZA | — | — |
BGP Announced Prefixes
Live BGP anomalies →Prefixes AS37691 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 |
|---|---|---|
| 196.11.52.0/24 | 65,344 | 2026-08-03 20:36:29 |
| 196.11.51.0/24 | 28,605 | 2026-08-03 20:36:32 |
| 196.11.49.0/24 | 26,050 | 2026-08-03 20:36:36 |
| 196.11.55.0/24 | 24,558 | 2026-08-03 20:36:32 |
| 196.11.50.0/24 | 24,476 | 2026-08-03 20:36:32 |
| 196.11.48.0/24 | 23,445 | 2026-08-03 20:36:32 |
Frequently Asked Questions
What is AS37691?
AS37691 is an Autonomous System Number assigned to Thought Express Semantic Technology. 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 AS37691 announce?
AS37691 announces 1.5K IPv4 addresses distributed across 3 routed CIDR prefixes. The network is registered in South Africa.
Who operates AS37691?
AS37691 is operated by Thought Express Semantic Technology. The organization is based in South Africa. You can view all IP ranges and related ASNs on the organization page.
What country is AS37691 registered in?
AS37691 is registered in South Africa. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.
