Autonomous System
AS5603 Telekom Slovenije, d.d.
ISPActiveSloveniaRIPE
AS5603 (SIOL-NET) is an ISP network operated by Telekom Slovenije, d.d. in Slovenia, registered with RIPE. It has 77 IPv4 prefixes with 1,541,632 addresses and 12 IPv6 prefixes, which makes it the 333rd largest of 82,141 active autonomous systems by IPv4 space.
IPv4 addresses1,541,632in 77 prefixes
IPv6 prefixes12≈ 2.0 × 10³⁰ addresses
Size rank#333of 82,141 active ASNs
Details
OrganizationTelekom Slovenije, d.d.
AS nameSIOL-NET
Websitetelekom.si
Country Slovenia (SI)
Network typeISP
RegistryRIPE
Abuse contactabuse@telekom.si
Registered2002-09-19
Last updated2026-09-21
IPv4 prefixes
77 prefixes · 1,541,632 addresses| Network | Addresses | First – last address |
|---|---|---|
| 188.196.0.0/14 | 262,144 | 188.196.0.0 – 188.199.255.255 |
| 188.196.0.0/15 | 131,072 | 188.196.0.0 – 188.197.255.255 |
| 188.198.0.0/15 | 131,072 | 188.198.0.0 – 188.199.255.255 |
| 89.142.0.0/16 | 65,536 | 89.142.0.0 – 89.142.255.255 |
| 89.143.0.0/16 | 65,536 | 89.143.0.0 – 89.143.255.255 |
| 109.182.0.0/16 | 65,536 | 109.182.0.0 – 109.182.255.255 |
| 178.58.0.0/16 | 65,536 | 178.58.0.0 – 178.58.255.255 |
| 188.199.0.0/16 | 65,536 | 188.199.0.0 – 188.199.255.255 |
| 193.77.0.0/16 | 65,536 | 193.77.0.0 – 193.77.255.255 |
| 86.61.0.0/17 | 32,768 | 86.61.0.0 – 86.61.127.255 |
| 95.176.128.0/17 | 32,768 | 95.176.128.0 – 95.176.255.255 |
| 109.182.0.0/17 | 32,768 | 109.182.0.0 – 109.182.127.255 |
| 109.182.128.0/17 | 32,768 | 109.182.128.0 – 109.182.255.255 |
| 86.61.0.0/18 | 16,384 | 86.61.0.0 – 86.61.63.255 |
| 86.61.64.0/18 | 16,384 | 86.61.64.0 – 86.61.127.255 |
| 89.142.0.0/18 | 16,384 | 89.142.0.0 – 89.142.63.255 |
| 89.142.64.0/18 | 16,384 | 89.142.64.0 – 89.142.127.255 |
| 89.142.128.0/18 | 16,384 | 89.142.128.0 – 89.142.191.255 |
| 89.142.192.0/18 | 16,384 | 89.142.192.0 – 89.142.255.255 |
| 89.143.0.0/18 | 16,384 | 89.143.0.0 – 89.143.63.255 |
| 89.143.64.0/18 | 16,384 | 89.143.64.0 – 89.143.127.255 |
| 89.143.128.0/18 | 16,384 | 89.143.128.0 – 89.143.191.255 |
| 89.143.192.0/18 | 16,384 | 89.143.192.0 – 89.143.255.255 |
| 95.159.192.0/18 | 16,384 | 95.159.192.0 – 95.159.255.255 |
| 95.176.128.0/18 | 16,384 | 95.176.128.0 – 95.176.191.255 |
188.196.0.0/14 188.196.0.0/15 188.198.0.0/15 89.142.0.0/16 89.143.0.0/16 109.182.0.0/16 178.58.0.0/16 188.199.0.0/16 193.77.0.0/16 86.61.0.0/17 95.176.128.0/17 109.182.0.0/17 109.182.128.0/17 86.61.0.0/18 86.61.64.0/18 89.142.0.0/18 89.142.64.0/18 89.142.128.0/18 89.142.192.0/18 89.143.0.0/18 89.143.64.0/18 89.143.128.0/18 89.143.192.0/18 95.159.192.0/18 95.176.128.0/18
The 25 largest of 77. The API and the database have all of them.
IPv6 prefixes
12 prefixes- 2a00:ee0::/29
- 2a02:e20::/29
- 2a00:ee0::/32
- 2a00:ee1::/32
- 2a00:ee2::/32
- 2a00:ee3::/32
- 2a00:ee4::/32
- 2a00:ee5::/32
- 2a00:ee6::/32
- 2a00:ee7::/32
- 2a02:e20::/32
- 2001:67c:20d8::/48
2a00:ee0::/29 2a02:e20::/29 2a00:ee0::/32 2a00:ee1::/32 2a00:ee2::/32 2a00:ee3::/32 2a00:ee4::/32 2a00:ee5::/32 2a00:ee6::/32 2a00:ee7::/32 2a02:e20::/32 2001:67c:20d8::/48
Query AS5603 with the API
The ASN lookup returns everything on this page as JSON, including every prefix. ASN lookups need an API key: a free account comes with 1,000 requests a day.
curl "https://api.ipapi.is/?q=AS5603&key=YOUR_API_KEY"Any address in its prefixes resolves to AS5603, with or without a key:
curl "https://api.ipapi.is/?q=188.196.0.1"Largest networks in Slovenia
AS2107 ARNES409,344 IPv4 addressesAS3212 Telemach Slovenija d.o.o.350,208 IPv4 addressesAS21283 A1 Slovenija telekomunikacijske storitve,d.d.329,728 IPv4 addressesAS34779 T-2, d.o.o.224,256 IPv4 addressesAS9119 SOFTNET d.o.o.108,800 IPv4 addressesAS58046 The Ministry of Digital Transformation70,912 IPv4 addresses