AS21283 A1SI-AS A1 Slovenija telekomunikacijske storitve,d.d.

A1SI-AS A1 Slovenija telekomunikacijske storitve,d.d. · registered in Slovenia

IPv4 addresses325,63224 prefixes · 0.010% of announced IPv4

Rank in Slovenia#4largest network in SI by IPv4 space, of 262 · 12.45% of SI

Rank worldwide#763of 79,396 networks with IPv4

IPv616 x /32 (1,048,576 x /48)2 prefixes

CountrySlovenia272 ASNs registered there

Open AS21283 in ASN lookup Look up an IP in this network (46.122.0.1) All networks in Slovenia

IPv4 prefixes

All 24 prefixes, in address order.

46.122.0.0/18
46.122.64.0/21
46.122.72.0/21
46.122.80.0/20
46.122.96.0/21
46.122.104.0/21
46.122.112.0/20
46.122.128.0/17
46.123.0.0/16
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

IPv6 prefixes

All 2 prefixes.

2001:15c0::/29
2a00:1a20::/29

Other ASNs named A1SI-AS A1 Slovenija telekomunikacijske storitve,d.d.

1 other network uses the same organisation name; together with AS21283 they announce 326,656 IPv4 addresses.

ASNNameIPv4 addresses

AS207746A1SI-AS A1 Slovenija telekomunikacijske storitve,d.d. SI1,024

Similar-sized networks in Slovenia

ASNNameIPv4 addresses

AS5603#1 SIOL-NET Telekom Slovenije, d.d.781,824

AS2107#2 ARNES-NET ARNES409,344

AS3212#3 TELEMACH Telemach Slovenija d.o.o.350,208

AS34779#5 T-2-AS T-2, d.o.o.224,256

AS9119#6 SOFTNET-AS SOFTNET d.o.o.100,608

AS50195#7 UM Univerza v Mariboru61,440

IP-to-ASN data: iptoasn.com (public domain). Snapshot downloaded 2026-11-11, refreshed daily. Ranges are what each network announces in BGP, not registry allocations. Data sources