AS21283 A1SI-AS A1 Slovenija telekomunikacijske storitve,d.d.
🇸🇮Org handle: ORG-Sd2-RIPE
A1 Slovenija
RIPE NCCallocated
Announced Prefixes (BGP)
21total
18 IPv43 IPv6
IPv4 Addresses
Allocated (RIR)329,728
Announced (BGP)329,728
IPv6 Addresses
Allocated (RIR)1.2×10³⁰
Announced (BGP)1.3×10³⁰
Prefix Limit (IPv4)
500
Prefix Limit (IPv6)
10
Country
🇸🇮 SIRIR
RIPE NCCStatus
allocated
Allocated
2001-10-16
Routing hygiene
Score 9/100 · Low riskRPKI ROA coverage
100%
no RPKI invalid prefixes
IRR route objects
100%
no origin mismatches
Hijack signals
0
0 announced against others' ROAs, 0 own announced by others
Upstreams
2
diversity 9/100
- Routes concentrated on one upstream (95% of routes)
Based on 21 announced prefixes, updated daily (2026-10-26). How the score works · RPKI explained
Listed on the threat map (2026-10-26)
Large hosting providers appear because attackers rent their servers, not necessarily because of the operator.
Announced Prefixes
(BGP)21|
Prefix | RPKI | IRR | Last Seen |
|---|---|---|---|
| Valid | RIPE | 2026-10-26 | |
| Valid | - | 2026-10-26 | |
| Valid | - | 2026-10-26 | |
| Valid | RIPE | 2026-10-26 | |
| Valid | RIPE | 2026-10-26 | |
| Valid | RIPE | 2026-10-26 | |
| Valid | RIPE | 2026-10-26 | |
| Valid | RIPE | 2026-10-26 | |
| Valid | RIPE | 2026-10-26 | |
| Valid | RIPE | 2026-10-26 |
1-10 of 21
1 / 3
Allocated Prefixes
(RIR)20Prefix | Country | RIR | Status |
|---|---|---|---|
| 46.122.0.0/15 | 🇸🇮 SI | RIPENCC | allocated |
| 46.122.64.0/21 | 🇸🇮 SI | RIPE | assigned |
| 46.122.96.0/21 | 🇸🇮 SI | RIPE | assigned |
| 46.164.0.0/18 | 🇸🇮 SI | RIPENCC | allocated |
| 62.84.224.0/20 | 🇸🇮 SI | RIPENCC | allocated |
| 80.95.224.0/20 | 🇸🇮 SI | RIPENCC | allocated |
| 85.10.0.0/19 | 🇸🇮 SI | RIPENCC | allocated |
| 85.10.32.0/20 | 🇸🇮 SI | RIPENCC | allocated |
| 90.157.128.0/17 | 🇸🇮 SI | RIPENCC | allocated |
| 92.37.0.0/17 | 🇸🇮 SI | RIPENCC | allocated |
1-10 of 20
1 / 2
All 21 announced prefixes of AS21283 →
Downstream Customers(1)
| ASN | Name |
|---|---|
| AS198524 | 🇸🇮ILOL iLOL d.o.o. |
BGP Neighbours
(seen in AS paths)Upstreams (2)
Networks AS21283 hands its own prefixes to: transit providers, or peers at an exchange.
Downstreams (26)
Networks whose own prefixes AS21283 passes on: usually its customers.
- AS25467AKTON D.O.O13
- AS48894OPTIMUS IT D.O.O4
- AS42473ANEXIA Cloud Solutions2
- AS44968IPROM D.O.O2
- AS196846ELKATV A1 Slovenija Telekomunikacijske Storitve,D.D2
- AS197907AKSON AKSON, Poslovno In Informacijsko Svetovanje, D.O.O2
- AS210197RESITVE ROK TAJZEL2
- AS213115MMITECH D.O.O2
- AS15822AGEN AGENCIJA ZA ENERGIJO1
- AS21401BORZEN D.O.O1
- AS25059NLB SI Nova Ljubljanska Banka D.D1
- AS29051ELES ELES, D.O.O1
- AS31687PPTUJ Perutnina Ptuj D.D1
- AS34367BSI Banka Slovenije1
- AS39727ZZI D.O.O1
- AS41505Delavskahranilnica Si Delavska Hranilnica D.D. Ljubljana1
- AS41970ZPIZ SI Zavod Za Pokojninsko In Invalidsko Zavarovanje Slovenije ZPIZ1
- AS47917RTVSLO ASN RTV Slovenija1
- AS47993BANKART SI Bankart Procesiranje Placilnih Instrumentov D.O.O. Ljubljana1
- AS48772SI GLOBUS MARINE INTERNATIONAL GLOBUS MARINE INTERNATIONAL D.O.O1
- AS49659GTS SKYTOLL SkyToll, A. S1
- AS196895Ujp Si Uprava Republike Slovenije Za Javna Placila1
- AS197391TOBACNA LJUBLJANA SI Tobacna Ljubljana D.O.O1
- AS198524ILOL D.O.O1
- AS199612BISNODE Dun & Bradstreet D.O.O1
- AS214296Betatel1
Other adjacent networks (1)
Adjacent to AS21283 in the transit part of AS paths: peers, providers or customers.
- AS43061SI STELKOM D.O.O1
Abuse Contact
External Links
Learn more
- What is an ASN?Autonomous systems, ASN ranges and how they are assigned
- RPKI and route origin validationWhat the RPKI badges on the prefix list mean
- How to run an ASPA checkVerify the upstream providers listed above
- IPv4 transfers in the RIPE NCC regionMonthly volume and the latest registry transfers
- ASN data in AI agents and SIEMMCP server and API integrations
API
Open https://api.ipctl.io/v1/asn/21283Returns ASN details, announced prefixes, and BGP routing data.
curl -s "https://api.ipctl.io/v1/asn/21283" | jq