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Autonomous System

AS5603

Telekom Slovenije, d.d.

Announced IPs
781,568
CIDR prefixes
39
ASN
AS5603

Reputation · trust score

A transparent 0–100 signal. Every entity starts at a neutral baseline of 65; threat-intel blocklists, exposure, reverse-DNS, routing and allocation each adjust it up or down. Higher is more trustworthy.

70/100
Moderate
How this score is built

Experimental · trust-vectors model v1.2.1 — a transparent heuristic, not a definitive verdict. How it works →

Network profile

Source: PeeringDB →
Network type NSP
Traffic level 300-500Gbps
Geographic scope Europe
Traffic ratio Balanced
Peering policy Selective
IRR record RIPE::AS-SIOL

Present at 3 internet exchanges: SIX SI, DE-CIX Frankfurt: DE-CIX Frankfurt Peering LAN, VIX

Web3 footprint

AS5603 hosts 9 observed decentralized-network nodes across 3 networks. It’s a neutral signal — it does not affect the reputation score. See the full web3 node map.

Top CIDR ranges

CIDRIPsPTR DensityOrganizationCountryStateCity
188.196.0.0/14 262.1K
99.8%
Telekom Slovenije, d.d. SI Ljubljana Ljubljana
89.142.0.0/15 131.1K
87.5%
Telekom Slovenije, d.d. SI Urban Municipality of Kranj Kranj
188.196.0.0/15 131.1K
99.8%
Telekom Slovenije, d.d. SI Urban Municipality of Maribor Maribor
109.182.0.0/16 65.5K
99.8%
Telekom Slovenije, d.d. SI Urban Municipality of Velenje Velenje
178.58.0.0/16 65.5K
99.9%
Telekom Slovenije, d.d. SI Ljubljana Ljubljana
188.199.0.0/16 65.5K
99.7%
Telekom Slovenije, d.d. SI Ljubljana Ljubljana
86.61.0.0/17 32.8K
96.1%
Telekom Slovenije, d.d. SI Ljubljana Ljubljana
95.176.128.0/17 32.8K
100.0%
Telekom Slovenije, d.d. SI Municipality of Ivančna Gorica Ivančna Gorica
188.198.0.0/17 32.8K
99.9%
Telekom Slovenije, d.d. SI Ljubljana Ljubljana
193.77.128.0/17 32.8K
57.3%
Telekom Slovenije, d.d. SI Ljubljana Ljubljana
95.159.192.0/18 16.4K
93.7%
Telekom Slovenije, d.d. SI Municipality of Laško Laško
188.198.192.0/18 16.4K
100.0%
Telekom Slovenije, d.d. SI Ljubljana Ljubljana
193.77.64.0/18 16.4K
64.1%
Telekom Slovenije, d.d. SI Ljubljana Ljubljana
193.95.192.0/18 16.4K
50.4%
Telekom Slovenije, d.d. SI Ljubljana Ljubljana
195.210.192.0/18 16.4K
89.0%
Telekom Slovenije, d.d. SI Urban Municipality of Murska Sobota Murska Sobota
213.250.0.0/18 16.4K
52.6%
Telekom Slovenije, d.d. SI Municipality of Rogašovci Rogasovci
149.126.128.0/19 8.2K
99.0%
Telekom Slovenije, d.d. SI Ljubljana Ljubljana
188.198.160.0/19 8.2K
100.0%
Telekom Slovenije, d.d. SI Ljubljana Ljubljana
193.77.32.0/19 8.2K
54.1%
Telekom Slovenije, d.d. SI Ljubljana Ljubljana
193.189.160.0/19 8.2K
24.8%
Telekom Slovenije, d.d. SI Ljubljana Ljubljana
194.165.96.0/19 8.2K
62.2%
Telekom Slovenije, d.d. SI Municipality of Mengeš Menges
212.30.64.0/19 8.2K
30.1%
Telekom Slovenije, d.d. SI Ljubljana Ljubljana
213.229.192.0/19 8.2K
90.6%
Telekom Slovenije, d.d. SI Urban Municipality of Velenje Velenje
213.250.0.0/19 8.2K
62.1%
Telekom Slovenije, d.d. SI Municipality of Rogašovci Rogasovci
37.18.224.0/20 4.1K
0.0%
Telekom Slovenije, d.d. SI Municipality of Izola Izola
188.198.144.0/20 4.1K
99.9%
Telekom Slovenije, d.d. SI — —
193.77.0.0/20 4.1K
19.3%
Telekom Slovenije, d.d. SI Municipality of Ilirska Bistrica Rečica
193.77.48.0/20 4.1K
51.7%
Telekom Slovenije, d.d. SI Ljubljana Ljubljana
193.189.176.0/20 4.1K
36.3%
Telekom Slovenije, d.d. SI Ljubljana Ljubljana
212.30.64.0/20 4.1K
40.7%
Telekom Slovenije, d.d. SI Ljubljana Ljubljana
213.229.224.0/20 4.1K
100.0%
Telekom Slovenije, d.d. SI Urban Municipality of Maribor Maribor
213.250.48.0/20 4.1K
45.6%
Telekom Slovenije, d.d. SI Municipality of Trebnje Trebnje
188.198.136.0/21 2.0K
100.0%
Telekom Slovenije, d.d. SI — —
193.77.16.0/21 2.0K
99.9%
Telekom Slovenije, d.d. SI Urban Municipality of Koper Koper
193.77.32.0/21 2.0K
63.0%
Telekom Slovenije, d.d. SI Ljubljana Ljubljana
193.189.160.0/21 2.0K
21.4%
Telekom Slovenije, d.d. SI — —
195.250.200.0/21 2.0K
60.0%
Telekom Slovenije, d.d. SI Urban Municipality of Koper Koper
212.30.88.0/21 2.0K
22.3%
Telekom Slovenije, d.d. SI Ljubljana Ljubljana
213.229.240.0/21 2.0K
100.0%
Telekom Slovenije, d.d. SI Ljubljana Ljubljana
213.250.32.0/21 2.0K
6.9%
Telekom Slovenije, d.d. SI — —
185.58.180.0/22 1.0K
0.1%
Telekom Slovenije, d.d. SI Municipality of Divača Divača
185.59.24.0/22 1.0K
0.0%
Telekom Slovenije, d.d. SI — —
188.198.128.0/22 1.0K
99.9%
Telekom Slovenije, d.d. SI — —
193.77.24.0/22 1.0K
1.9%
Telekom Slovenije, d.d. SI Urban Municipality of Kranj Kranj
193.77.40.0/22 1.0K
25.4%
Telekom Slovenije, d.d. SI Ljubljana Ljubljana
193.189.172.0/22 1.0K
5.3%
Telekom Slovenije, d.d. SI — —
195.250.196.0/22 1.0K
0.0%
Telekom Slovenije, d.d. SI — —
195.250.208.0/22 1.0K
99.5%
Telekom Slovenije, d.d. SI — —
212.30.80.0/22 1.0K
6.3%
Telekom Slovenije, d.d. SI Ljubljana Ljubljana
213.250.44.0/22 1.0K
49.9%
Telekom Slovenije, d.d. SI — —
91.195.146.0/23 512
2.0%
Telekom Slovenije, d.d. SI — —
91.217.126.0/23 512
0.0%
Telekom Slovenije, d.d. SI — —
185.57.226.0/23 512
36.7%
Telekom Slovenije, d.d. SI — —
188.198.132.0/23 512
100.0%
Telekom Slovenije, d.d. SI — —
193.77.28.0/23 512
5.5%
Telekom Slovenije, d.d. SI Municipality of Dobrova–Polhov Gradec Polhov Gradec
193.77.44.0/23 512
99.2%
Telekom Slovenije, d.d. SI — —
193.189.170.0/23 512
8.4%
Telekom Slovenije, d.d. SI — —
195.88.82.0/23 512
9.4%
Telekom Slovenije, d.d. SI — —
195.250.194.0/23 512
0.0%
Telekom Slovenije, d.d. SI — —
195.250.214.0/23 512
0.0%
Telekom Slovenije, d.d. SI — —
212.30.84.0/23 512
51.6%
Telekom Slovenije, d.d. SI — —
213.250.40.0/23 512
99.4%
Telekom Slovenije, d.d. SI — —
188.198.135.0/24 256
100.0%
Telekom Slovenije, d.d. SI — —
193.77.46.0/24 256
0.0%
Telekom Slovenije, d.d. SI — —
193.138.9.0/24 256
0.0%
Telekom Slovenije, d.d. SI — —
193.189.169.0/24 256
3.5%
Telekom Slovenije, d.d. SI — —
195.5.164.0/24 256
1.2%
Telekom Slovenije, d.d. SI — —
195.250.213.0/24 256
0.4%
Telekom Slovenije, d.d. SI — —
212.30.87.0/24 256
0.0%
Telekom Slovenije, d.d. SI — —
213.250.43.0/24 256
99.6%
Telekom Slovenije, d.d. SI — —
188.198.134.0/25 128
100.0%
Telekom Slovenije, d.d. SI — —
193.77.47.0/25 128
99.2%
Telekom Slovenije, d.d. SI — —
193.189.168.128/25 128
1.6%
Telekom Slovenije, d.d. SI — —
212.30.86.0/25 128
5.5%
Telekom Slovenije, d.d. SI — —
213.250.42.0/25 128
100.0%
Telekom Slovenije, d.d. SI — —
188.198.134.192/26 64
100.0%
Telekom Slovenije, d.d. SI — —
193.77.47.128/26 64
98.4%
Telekom Slovenije, d.d. SI — —
193.189.168.0/26 64
1.6%
Telekom Slovenije, d.d. SI — —
212.30.86.128/26 64
4.7%
Telekom Slovenije, d.d. SI — —
213.250.42.128/26 64
100.0%
Telekom Slovenije, d.d. SI — —
188.198.134.160/27 32
100.0%
Telekom Slovenije, d.d. SI — —
193.77.47.192/27 32
100.0%
Telekom Slovenije, d.d. SI — —
193.189.168.64/27 32
0.0%
Telekom Slovenije, d.d. SI — —
212.30.86.192/27 32
6.3%
Telekom Slovenije, d.d. SI — —
213.250.42.224/27 32
100.0%
Telekom Slovenije, d.d. SI — —
188.198.134.128/28 16
100.0%
Telekom Slovenije, d.d. SI — —
193.77.47.224/28 16
100.0%
Telekom Slovenije, d.d. SI — —
193.189.168.112/28 16
0.0%
Telekom Slovenije, d.d. SI — —
212.30.86.224/28 16
6.3%
Telekom Slovenije, d.d. SI — —
213.250.42.192/28 16
100.0%
Telekom Slovenije, d.d. SI — —
188.198.134.144/29 8
100.0%
Telekom Slovenije, d.d. SI — —
193.77.47.248/29 8
100.0%
Telekom Slovenije, d.d. SI — —
193.189.168.104/29 8
0.0%
Telekom Slovenije, d.d. SI — —
212.30.86.240/29 8
0.0%
Telekom Slovenije, d.d. SI — —
213.250.42.216/29 8
100.0%
Telekom Slovenije, d.d. SI — —
188.198.134.152/30 4
100.0%
Telekom Slovenije, d.d. SI — —
193.77.47.244/30 4
100.0%
Telekom Slovenije, d.d. SI — —
193.189.168.96/30 4
0.0%
Telekom Slovenije, d.d. SI — —
193.189.168.100/30 4
0.0%
Telekom Slovenije, d.d. MK — —
212.30.86.248/30 4
0.0%
Telekom Slovenije, d.d. MK — —

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS5603 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
37.18.232.0/21 584,364 2026-10-03 00:49:54
89.142.192.0/18 580,077 2026-10-03 00:49:54
213.250.0.0/19 575,948 2026-10-03 00:49:54
213.250.0.0/18 575,089 2026-10-03 00:49:54
213.250.32.0/19 571,284 2026-10-03 00:49:55
37.18.230.0/23 316,228 2026-10-03 00:49:48
185.58.180.0/23 295,356 2026-10-03 00:49:48
195.5.164.0/24 292,126 2026-10-03 00:49:48
37.18.224.0/22 290,011 2026-10-03 00:49:48
185.59.26.0/23 289,632 2026-10-03 00:47:57
89.142.128.0/18 284,951 2026-10-03 00:47:57
91.217.126.0/24 284,950 2026-10-03 00:49:48
91.217.127.0/24 283,739 2026-10-03 00:49:48
37.18.228.0/23 283,062 2026-10-03 00:49:48
185.58.180.0/22 282,798 2026-10-03 00:47:57
89.142.64.0/18 281,789 2026-10-03 00:47:57
185.59.24.0/23 280,854 2026-10-03 00:47:57
193.138.9.0/24 280,155 2026-10-03 00:47:57
185.59.24.0/22 278,300 2026-10-03 00:47:57
188.199.0.0/16 277,175 2026-10-03 00:47:57
95.159.192.0/20 275,525 2026-10-03 00:47:57
37.18.224.0/20 274,168 2026-10-03 00:47:57
212.30.64.0/19 272,499 2026-10-03 00:47:57
89.143.128.0/18 272,116 2026-10-03 00:47:57
195.250.208.0/21 271,011 2026-10-03 00:47:57
89.143.64.0/18 267,032 2026-10-03 00:47:57
95.159.192.0/18 259,105 2026-10-03 00:47:57
212.30.64.0/20 255,740 2026-10-03 00:47:57
194.165.96.0/19 253,183 2026-10-03 00:47:57
195.250.212.0/22 251,749 2026-10-03 00:47:57
193.189.176.0/20 237,196 2026-10-03 00:47:57
185.57.226.0/23 232,536 2026-10-03 00:47:57
194.165.96.0/20 223,627 2026-10-03 00:43:31
178.58.128.0/17 221,901 2026-10-03 00:45:03
89.143.0.0/16 221,289 2026-10-03 00:47:57
89.143.0.0/18 205,198 2026-10-03 00:43:31
149.126.144.0/20 204,111 2026-10-03 00:43:31
185.58.182.0/23 202,908 2026-10-03 00:49:48
86.61.0.0/17 191,538 2026-10-03 00:43:31
193.95.224.0/19 186,673 2026-10-03 00:43:31
91.195.146.0/23 174,241 2026-10-03 00:43:31
195.250.200.0/21 173,746 2026-10-03 00:43:31
86.61.0.0/18 166,926 2026-10-03 00:43:31
193.189.160.0/19 166,032 2026-10-03 00:43:31
193.189.160.0/20 159,349 2026-10-03 00:43:31
95.176.128.0/17 151,518 2026-10-03 00:43:31
193.77.0.0/16 151,420 2026-10-03 00:43:31
193.95.192.0/19 147,499 2026-10-03 00:43:31
213.229.224.0/19 146,921 2026-10-03 00:43:31
95.176.128.0/18 146,349 2026-10-03 00:43:31

Showing top 50 of 82 announced prefixes by sample volume.

Frequently Asked Questions

What is AS5603?

AS5603 is an Autonomous System Number assigned to Telekom Slovenije, d.d.. An ASN identifies a network that controls a specific set of IP addresses and determines how traffic is routed across the internet via BGP (Border Gateway Protocol).

How many IP addresses does AS5603 announce?

AS5603 announces 781.6K IPv4 addresses distributed across 39 routed CIDR prefixes. The network is registered in Slovenia.

Who operates AS5603?

AS5603 is operated by Telekom Slovenije, d.d.. The organization is based in Slovenia. You can view all IP ranges and related ASNs on the organization page.

What country is AS5603 registered in?

AS5603 is registered in Slovenia. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.

Last updated: 2026-10-03 00:54:05 UTC
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