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 →
AS51143 — global IP footprint
Cities where AS51143 has measurable IPv4 allocation. Click any dot to open that city's page. Size and color scale with IP count.
Top CIDR ranges
| CIDR | IPs | PTR Density | Organization | Country | State | City |
|---|---|---|---|---|---|---|
| 91.216.172.0/24 | 256 |
12.9%
|
Informatika d.o.o. | SI | Ljubljana | Ljubljana |
BGP Announced Prefixes
Live BGP anomalies →Prefixes AS51143 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 |
|---|---|---|
| 91.216.172.0/24 | 8,771 | 2026-07-31 14:18:42 |
Frequently Asked Questions
What is AS51143?
AS51143 is an Autonomous System Number assigned to Informatika d.o.o.. 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 AS51143 announce?
AS51143 announces 256 IPv4 addresses distributed across 1 routed CIDR prefixes. The network is registered in Slovenia.
Who operates AS51143?
AS51143 is operated by Informatika d.o.o.. The organization is based in Slovenia. You can view all IP ranges and related ASNs on the organization page.
What country is AS51143 registered in?
AS51143 is registered in Slovenia. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.