AS21283 — A1SI-AS A1 Slovenija

Network type: residential

AS21283 announces 16 IPv4 prefixes covering 325,632 addresses and 2 IPv6 prefixes.

About this network

The AS handle A1SI-AS is held by A1 Slovenija telekomunikacijske storitve, d.d.

What it's used for

• The address space carries residential and mobile access traffic, evidenced by reverse DNS entries such as cpe-146-212-64-0.dynamic.amis.net, BNG-212-191-254-dsl.simobil.net, and APN-123-191-254-gprs.simobil.net.
• The network announces 325632 IPv4 addresses across 24 prefixes and 2 IPv6 prefixes, while maintaining 49 observed neighbours, a ratio consistent with a large access provider.

Notable

• All registrants for the sampled prefixes are listed as A1 Slovenija telekomunikacijske storitve, d.d., matching the AS holder.
• The address inventory is finely subdivided, with multiple /20 and /21 blocks within the 46.122.0.0/16 range, indicating site-by-site or service-specific segmentation.

This description is AI-generated, best-effort context — not authoritative, and provided without any guarantee of accuracy.

Announced prefixes

• 46.122.0.0/15
• 46.164.0.0/18
• 62.84.224.0/20
• 80.95.224.0/20
• 85.10.0.0/19
• 85.10.32.0/20
• 90.157.128.0/17
• 92.37.0.0/17
• 94.127.24.0/21
• 109.239.176.0/20
• 146.212.0.0/16
• 185.28.8.0/22
• 185.173.52.0/22
• 188.64.24.0/21
• 212.18.32.0/19
• 213.157.224.0/19
• 2001:15c0::/29
• 2a00:1a20::/29

Upstream networks

• AS8447 A1 Telekom Austria AG
• AS6939 Hurricane Electric LLC
• AS3303 Swisscom (Schweiz) AG
• AS57463 NetIX Communications JSC

Downstream networks

• AS48894 Optimus IT d.o.o.
• AS42473 Anexia Cloud Solutions GmbH
• AS196846 A1 Slovenija telekomunikacijske storitve,d.d.
• AS210197 ROK TAJZEL
• AS44968 IPROM d.o.o
• AS199612 Dun & Bradstreet d.o.o.
• AS25467 Akton d.o.o.
• AS34367 Banka Slovenije
• AS214296 BETATEL LTD
• AS197391 Tobacna Ljubljana d.o.o.
• AS196895 Uprava Republike Slovenije za javna placila
• AS25059 Nova Ljubljanska Banka d.d.
• AS49659 SkyToll, a. s.
• AS198827 Elektro Gorenjska, podjetje za distribucijo elektricne energije, d.d.
• AS213115 MMITECH d.o.o.
• AS47917 RTV Slovenija
• AS28850 Zavod za zdravstveno zavarovanje Slovenije
• AS197907 AKSON, poslovno in informacijsko svetovanje, d.o.o.
• AS31687 Perutnina Ptuj d.d.
• AS39727 ZZI d.o.o.
• AS201395 IT-TIM d.o.o.
• AS25066 OTP BANKA D.D.
• AS57517 Ministrstvo za notranje zadeve
• AS198524 iLOL d.o.o.
• AS203618 UB330.net d.o.o.

Adjacent networks

• AS8447 A1 Telekom Austria AG
• AS48894 Optimus IT d.o.o.
• AS6939 Hurricane Electric LLC
• AS42473 Anexia Cloud Solutions GmbH
• AS196846 A1 Slovenija telekomunikacijske storitve,d.d.
• AS25467 Akton d.o.o.
• AS210197 ROK TAJZEL
• AS44968 IPROM d.o.o
• AS199612 Dun & Bradstreet d.o.o.
• AS34367 Banka Slovenije
• AS25059 Nova Ljubljanska Banka d.d.
• AS197391 Tobacna Ljubljana d.o.o.
• AS196895 Uprava Republike Slovenije za javna placila
• AS214296 BETATEL LTD
• AS49659 SkyToll, a. s.
• AS3303 Swisscom (Schweiz) AG
• AS198827 Elektro Gorenjska, podjetje za distribucijo elektricne energije, d.d.
• AS213115 MMITECH d.o.o.
• AS47917 RTV Slovenija
• AS28850 Zavod za zdravstveno zavarovanje Slovenije
• AS57463 NetIX Communications JSC
• AS43061 Stelkom d.o.o.
• AS197907 AKSON, poslovno in informacijsko svetovanje, d.o.o.
• AS31687 Perutnina Ptuj d.d.
• AS39727 ZZI d.o.o.

Internet exchanges

• Vienna Internet Exchange — Vienna, Austria
• Slovenian Internet Exchange — Ljubljana, Slovenia