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 78 IPv4 prefixes with 1,541,888 addresses and 12 IPv6 prefixes, which makes it the 332nd largest of 82,534 active autonomous systems by IPv4 space.
IPv4 addresses1,541,888in 78 prefixes
IPv6 prefixes12≈ 2.0 × 10³⁰ addresses
Size rank#332of 82,534 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
78 prefixes · 1,541,888 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 78. 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
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