AS5538
Institute of Mathematics and Computer Science of University of Latvia
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 →
Top CIDR ranges
BGP Announced Prefixes
Live BGP anomalies →Prefixes AS5538 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 |
|---|---|---|
| 5.152.224.0/21 | 9,742 | 2026-07-24 14:07:28 |
| 92.240.64.0/19 | 8,373 | 2026-07-24 14:07:28 |
| 194.8.1.0/24 | 5,551 | 2026-07-24 14:22:17 |
| 185.23.160.0/22 | 5,402 | 2026-07-24 14:22:17 |
| 85.254.192.0/18 | 5,318 | 2026-07-24 14:22:17 |
Frequently Asked Questions
What is AS5538?
AS5538 is an Autonomous System Number assigned to Institute of Mathematics and Computer Science of University of Latvia. 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 AS5538 announce?
AS5538 announces 18.9K IPv4 addresses distributed across 18 routed CIDR prefixes. The network is registered in Latvia.
Who operates AS5538?
AS5538 is operated by Institute of Mathematics and Computer Science of University of Latvia. The organization is based in Latvia. You can view all IP ranges and related ASNs on the organization page.
What country is AS5538 registered in?
AS5538 is registered in Latvia. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.
