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Autonomous System

AS6855

Slovak Telekom, a.s.

Announced IPs
664,064
CIDR prefixes
38
ASN
AS6855

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 v1.3.0 — a transparent heuristic, not a definitive verdict. How it works →

Network profile

Source: PeeringDB →
Network type NSP
Traffic level 500-1000Gbps
Geographic scope Europe
Traffic ratio Mostly Inbound
Peering policy Selective
IRR record RIPE::AS-SLOVAK

Present at 3 internet exchanges: NIX.CZ: Public peering VLAN, SIX.SK, NIX.SK

Web3 footprint

AS6855 hosts 4 observed decentralized-network nodes across 2 networks. It’s a neutral signal — it does not affect the reputation score. See the full web3 node map.

Top CIDR ranges

CIDRIPsPTR DensityOrganizationCountryStateCity
78.98.0.0/15 131.1K
99.8%
Slovak Telekom, a.s. SK Nitra Region Urmince
95.102.0.0/15 131.1K
99.9%
Slovak Telekom, a.s. SK Bratislava Region Bratislava
178.40.0.0/15 131.1K
99.9%
Slovak Telekom, a.s. SK Prešov Region Prešov
87.197.0.0/16 65.5K
99.9%
Slovak Telekom, a.s. SK Žilina Region Martin
91.127.0.0/16 65.5K
99.9%
Slovak Telekom, a.s. SK Žilina Region Žilina
84.47.0.0/17 32.8K
99.9%
Slovak Telekom, a.s. SK Nitra Region Levice
195.91.0.0/17 32.8K
100.0%
Slovak Telekom, a.s. SK Trnava Region Dunajská Streda
213.81.128.0/17 32.8K
98.5%
Slovak Telekom, a.s. SK Žilina Region Zákamenné
213.81.192.0/18 16.4K
98.8%
Slovak Telekom, a.s. SK Žilina Region Zákamenné
194.154.224.0/19 8.2K
99.8%
Slovak Telekom, a.s. SK Trnava Region Šulekovo
212.5.192.0/19 8.2K
90.0%
Slovak Telekom, a.s. SK Bratislava Region Miloslavov
213.81.160.0/19 8.2K
97.1%
Slovak Telekom, a.s. SK Žilina Region Mútne
213.160.160.0/19 8.2K
99.6%
Slovak Telekom, a.s. SK Bratislava Region Bernolákovo
213.81.144.0/20 4.1K
98.6%
Slovak Telekom, a.s. SK Bratislava Region Bratislava
85.239.80.0/21 2.0K
1.9%
Slovak Telekom, a.s. CZ — —
195.146.136.0/21 2.0K
85.1%
Slovak Telekom, a.s. SK Nitra Region Kolárovo
195.146.152.0/21 2.0K
100.0%
Slovak Telekom, a.s. SK Nitra Region Malé Kosihy
213.81.136.0/21 2.0K
99.7%
Slovak Telekom, a.s. SK Trenčín Region Dolné Vestenice
85.239.84.0/22 1.0K
0.0%
Slovak Telekom, a.s. SK — —
185.19.72.0/22 1.0K
99.7%
Slovak Telekom, a.s. SK — —
193.84.96.0/22 1.0K
0.7%
Slovak Telekom, a.s. CZ Prague Prague
195.146.128.0/22 1.0K
100.0%
Slovak Telekom, a.s. SK — —
195.146.148.0/22 1.0K
100.0%
Slovak Telekom, a.s. SK Trnava Region Hlohovec
213.81.128.0/22 1.0K
99.7%
Slovak Telekom, a.s. SK Trenčín Region Dolné Vestenice
85.239.68.0/23 512
0.8%
Slovak Telekom, a.s. CZ — —
91.195.106.0/23 512
14.1%
Slovak Telekom, a.s. CZ — —
91.245.16.0/23 512
99.2%
Slovak Telekom, a.s. CZ — —
185.58.102.0/23 512
21.3%
Slovak Telekom, a.s. SK Prešov Region Široké
195.146.132.0/23 512
100.0%
Slovak Telekom, a.s. SK — —
195.146.146.0/23 512
100.0%
Slovak Telekom, a.s. SK Banská Bystrica Region Banská Bystrica
213.81.134.0/23 512
100.0%
Slovak Telekom, a.s. SK — —
85.239.81.0/24 256
0.0%
Slovak Telekom, a.s. SK — —
85.239.82.0/24 256
6.6%
Slovak Telekom, a.s. CZ — —
85.239.83.0/24 256
0.0%
Slovak Telekom, a.s. SK — —
85.248.31.0/24 256
6.6%
Slovak Telekom, a.s. SK Bratislava Region Bratislava
85.248.74.0/24 256
0.0%
Slovak Telekom, a.s. SK — —
91.245.16.0/24 256
99.2%
Slovak Telekom, a.s. CZ — —
91.245.17.0/24 256
99.2%
Slovak Telekom, a.s. SK — —
193.84.7.0/24 256
3.9%
Slovak Telekom, a.s. CZ — —
193.84.96.0/24 256
2.7%
Slovak Telekom, a.s. CZ — —
193.84.97.0/24 256
0.0%
Slovak Telekom, a.s. SK — —
193.84.98.0/24 256
0.0%
Slovak Telekom, a.s. SK — —
193.84.99.0/24 256
0.0%
Slovak Telekom, a.s. CZ — —
193.84.150.0/24 256
0.0%
Slovak Telekom, a.s. CZ — —
193.84.245.0/24 256
4.3%
Slovak Telekom, a.s. CZ — —
193.200.143.0/24 256
99.2%
Slovak Telekom, a.s. SK — —
193.201.110.0/24 256
0.0%
Slovak Telekom, a.s. CZ — —
193.228.234.0/24 256
21.5%
Slovak Telekom, a.s. CZ Liberec Region Česká Lípa
194.48.241.0/24 256
18.0%
Slovak Telekom, a.s. CZ — —
194.50.215.0/24 256
2.3%
Slovak Telekom, a.s. CZ Prague Prague
194.169.224.0/24 256
0.4%
Slovak Telekom, a.s. CZ — —
195.146.134.0/24 256
94.1%
Slovak Telekom, a.s. SK — —
195.146.145.0/24 256
87.5%
Slovak Telekom, a.s. SK Žilina Region Liptovský Mikuláš
195.216.240.0/24 256
0.4%
Slovak Telekom, a.s. CZ — —
213.81.132.0/24 256
99.6%
Slovak Telekom, a.s. SK — —
85.239.80.128/25 128
8.6%
Slovak Telekom, a.s. SK — —
213.81.133.0/25 128
99.2%
Slovak Telekom, a.s. SK — —
85.239.80.64/26 64
9.4%
Slovak Telekom, a.s. SK — —
213.81.133.192/26 64
100.0%
Slovak Telekom, a.s. SK — —
213.81.133.160/27 32
100.0%
Slovak Telekom, a.s. SK — —
85.239.80.16/28 16
6.3%
Slovak Telekom, a.s. SK — —
85.239.80.48/28 16
6.3%
Slovak Telekom, a.s. SK — —
213.81.133.144/28 16
100.0%
Slovak Telekom, a.s. SK — —
85.239.80.8/29 8
12.5%
Slovak Telekom, a.s. SK — —
85.239.80.40/29 8
12.5%
Slovak Telekom, a.s. SK — —
213.81.133.136/29 8
100.0%
Slovak Telekom, a.s. SK — —
85.239.80.4/30 4
0.0%
Slovak Telekom, a.s. SK — —
85.239.80.36/30 4
0.0%
Slovak Telekom, a.s. SK — —
213.81.133.132/30 4
100.0%
Slovak Telekom, a.s. SK — —
85.239.80.0/31 2
0.0%
Slovak Telekom, a.s. SK — —
85.239.80.34/31 2
0.0%
Slovak Telekom, a.s. SK — —
213.81.133.130/31 2
100.0%
Slovak Telekom, a.s. SK — —
85.239.80.2/32 1
0.0%
Slovak Telekom, a.s. CZ — —
85.239.80.3/32 1
0.0%
Slovak Telekom, a.s. SK — —
85.239.80.32/32 1
0.0%
Slovak Telekom, a.s. SK — —
85.239.80.33/32 1
0.0%
Slovak Telekom, a.s. CZ — —
213.81.133.128/32 1
100.0%
Slovak Telekom, a.s. SK — —
213.81.133.129/32 1
100.0%
Slovak Telekom, a.s. CZ — —

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS6855 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
85.239.82.0/23 62,059 2026-11-13 15:00:16
85.239.84.0/22 61,669 2026-11-13 15:00:16
195.216.240.0/24 58,854 2026-11-13 15:00:16
85.239.80.0/23 46,145 2026-11-13 15:00:16
193.200.143.0/24 45,622 2026-11-13 15:00:16
91.245.16.0/23 44,551 2026-11-13 15:00:16
194.169.224.0/24 43,424 2026-11-13 15:00:16
193.84.98.0/23 42,826 2026-11-13 15:00:16
193.84.96.0/24 42,816 2026-11-13 15:00:16
91.195.106.0/24 42,813 2026-11-13 15:00:16
193.84.97.0/24 42,813 2026-11-13 15:00:16
91.195.107.0/24 42,596 2026-11-13 15:00:16
85.239.69.0/24 42,360 2026-11-13 15:00:16
85.239.68.0/24 42,113 2026-11-13 15:00:16
193.201.110.0/24 40,029 2026-11-13 15:00:16
194.48.241.0/24 39,097 2026-11-13 15:00:16
193.84.7.0/24 38,858 2026-11-13 15:00:16
193.84.245.0/24 38,835 2026-11-13 15:00:16
194.50.215.0/24 38,482 2026-11-13 15:00:16
85.248.31.0/24 37,689 2026-11-13 15:00:16
195.146.128.0/19 37,499 2026-11-13 15:00:21
95.102.0.0/15 36,975 2026-11-13 15:00:21
78.98.0.0/15 36,906 2026-11-13 15:00:21
91.127.0.0/16 36,398 2026-11-13 15:00:21
193.228.234.0/24 36,316 2026-11-13 15:00:16
178.40.0.0/15 36,255 2026-11-13 15:00:21
185.58.103.0/24 35,993 2026-11-13 15:00:16
195.146.130.0/24 35,990 2026-11-13 15:00:23
185.58.102.0/24 35,977 2026-11-13 15:00:16
85.248.74.0/24 35,798 2026-11-13 15:00:16
84.47.0.0/17 34,473 2026-11-13 15:00:23
195.91.0.0/17 31,702 2026-11-13 15:00:23
194.154.224.0/19 31,560 2026-11-13 15:00:23
212.5.192.0/19 31,492 2026-11-13 15:00:23
213.81.128.0/17 31,204 2026-11-13 15:00:23
213.160.160.0/19 30,783 2026-11-13 15:00:23
87.197.0.0/16 27,726 2026-11-13 15:00:21
185.19.72.0/22 1,143 2026-11-13 15:00:16
193.84.150.0/24 246 2026-11-13 13:11:48
45.129.104.0/24 74 2026-11-08 23:03:52
45.129.104.72/29 30 2026-09-28 03:15:31
45.129.104.96/27 21 2026-10-01 07:48:26
213.81.136.128/29 19 2026-09-18 09:13:30
45.129.104.0/27 17 2026-09-19 03:50:13
45.129.104.68/30 17 2026-09-28 00:00:27
45.129.104.64/30 17 2026-09-28 00:00:27
45.129.104.80/30 17 2026-09-28 00:00:27
45.129.104.84/30 16 2026-09-28 00:13:13
45.129.104.32/27 15 2026-09-17 17:08:50
193.228.234.46/32 12 2026-10-03 05:17:07

Showing top 50 of 149 announced prefixes by sample volume.

Frequently Asked Questions

What is AS6855?

AS6855 is an Autonomous System Number assigned to Slovak Telekom, a.s.. 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 AS6855 announce?

AS6855 announces 664.1K IPv4 addresses distributed across 38 routed CIDR prefixes. The network is registered in Slovakia.

Who operates AS6855?

AS6855 is operated by Slovak Telekom, a.s.. The organization is based in Slovakia. You can view all IP ranges and related ASNs on the organization page.

What country is AS6855 registered in?

AS6855 is registered in Slovakia. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.

Last updated: 2026-11-13 15:09:05 UTC
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