AS21283
A1 Slovenija telekomunikacijske storitve,d.d.
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
- Isp allocation +5
- Trust score 70 / 100
Experimental · trust-vectors model v1.2.0 — a transparent heuristic, not a definitive verdict. How it works →
Network profile
Source: PeeringDB →Present at 2 internet exchanges: SIX SI, VIX
AS21283 — global IP footprint
Cities where AS21283 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 AS21283 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 |
|---|---|---|
| 46.122.0.0/15 | 73,864 | 2026-09-11 12:27:47 |
| 80.95.224.0/20 | 73,615 | 2026-09-11 12:29:15 |
| 62.84.224.0/20 | 73,538 | 2026-09-11 12:29:15 |
| 46.164.0.0/18 | 73,323 | 2026-09-11 12:27:47 |
| 85.10.0.0/19 | 73,143 | 2026-09-11 12:29:15 |
| 85.10.32.0/20 | 73,141 | 2026-09-11 12:29:15 |
| 90.157.128.0/17 | 73,000 | 2026-09-11 12:29:15 |
| 92.37.0.0/17 | 72,913 | 2026-09-11 12:29:15 |
| 94.127.24.0/21 | 72,783 | 2026-09-11 12:29:15 |
| 109.239.176.0/20 | 72,724 | 2026-09-11 12:29:15 |
| 146.212.0.0/16 | 72,361 | 2026-09-11 12:29:15 |
| 185.173.52.0/22 | 72,038 | 2026-09-11 12:29:15 |
| 188.64.24.0/21 | 72,037 | 2026-09-11 12:29:15 |
| 185.28.8.0/22 | 71,534 | 2026-09-11 12:29:15 |
| 212.18.32.0/19 | 70,242 | 2026-09-11 12:27:29 |
| 213.157.224.0/19 | 69,843 | 2026-09-11 12:29:15 |
| 46.122.64.0/21 | 42,019 | 2026-09-11 12:27:45 |
| 46.122.96.0/21 | 40,726 | 2026-09-11 12:27:47 |
Frequently Asked Questions
What is AS21283?
AS21283 is an Autonomous System Number assigned to A1 Slovenija telekomunikacijske storitve,d.d.. 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 AS21283 announce?
AS21283 announces 325.6K IPv4 addresses distributed across 16 routed CIDR prefixes. The network is registered in Slovenia.
Who operates AS21283?
AS21283 is operated by A1 Slovenija telekomunikacijske storitve,d.d.. The organization is based in Slovenia. You can view all IP ranges and related ASNs on the organization page.
What country is AS21283 registered in?
AS21283 is registered in Slovenia. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.
