Autonomous System details

AS6855

Slovak Telekom, a.s. · telekom.sk

Slovakia

BitTorrent

Crawler

Major ISP

VPN

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AS6855 – Slovak Telekom, a.s.

Field	Value
Country	Slovakia
Website	telekom.sk
Hosted domains	3,875
IPv4 addresses	663,040
IPv6 addresses	792,597,154,781,562,794,216,000,000,000
ASN type	ISP
Registry	ripe
Allocated	56 years ago on Jan 01, 1970
Updated	5 years ago on Nov 02, 2020

Netblock	Company	Num of IPs
78.98.0.0/15	Slovak Telekom, a.s.	131,072
95.102.0.0/15	Slovak Telekom, a.s.	131,072
178.40.0.0/15	Slovak Telekom, a.s.	131,072
87.197.0.0/16	Slovak Telekom, a.s.	65,536
91.127.0.0/16	Slovak Telekom, a.s.	65,536
84.47.0.0/17	Dynamically assigned IPs for the broadband customers	32,768
195.91.0.0/17	Slovak Telekom, a.s.	32,768
213.81.128.0/17	Slovak Telekom, a.s.	32,768
194.154.224.0/19	Slovak Telekom, a.s.	8,192
195.146.128.0/19	Slovak Telekom, a.s.	8,192
212.5.192.0/19	Slovak Telekom, a.s.	8,192
213.160.160.0/19	Slovak Telekom, a.s.	8,192
85.239.84.0/22	Hyperflex_demo	1,024
85.239.80.0/23	P2P links - Brno	512
85.239.82.0/23	P2P links for VPN gateways 1 - Praha	512
91.245.16.0/23	Coolhousing s.r.o.	512
193.84.98.0/23	Prague	512
85.239.68.0/24	ANECT a.s.	256
85.239.69.0/24	ANECT a.s.	256
85.248.31.0/24	SWAN, a.s.	256
85.248.74.0/24	Migoli s. r. o.	256
91.195.106.0/24	CESKA SPRAVA SOCIALNIHO ZABEZPECENI	256
91.195.107.0/24	CESKA SPRAVA SOCIALNIHO ZABEZPECENI	256
185.58.102.0/24	BUDIS a. s.	256
185.58.103.0/24	BUDIS a. s.	256
193.84.7.0/24	Prague	256
193.84.96.0/24	Prague	256
193.84.97.0/24	Prague	256
193.84.245.0/24	Czech Environmental Institute	256
193.200.143.0/24	Jadrova a vyradovacia spolocnost, a.s.	256
193.201.110.0/24	Czech republic	256
194.48.241.0/24	CESKY STATISTICKY URAD	256
194.50.215.0/24	J&T BANKA, a.s.	256
194.169.224.0/24	JABLOTRON ALARMS a.s.	256
195.146.130.0/24	Slovak Telekom	256
195.216.240.0/24	Reditelstvi silnic a dalnic CR	256

Netblock	Company
2a00:12a8::/29	Slovak Telekom, a.s.
2a00:6bc0::/32	ANECT a.s.
2a01:5f7::/32	Coolhousing s.r.o.
2a00:6bc0::/40	ANECT infrastructure
2001:678:c14::/48	AISIN EUROPE MANUFACTURING CZECH s.r.o.
2001:67c:16c0::/48	CESKY STATISTICKY URAD
2001:67c:1bc4::/48	Urad prumysloveho vlastnictvi
2001:67c:2cc0::/48	Sprava Prazskeho hradu
2001:67c:2f9c::/48	Reditelstvi silnic a dalnic CR

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WHOIS Details

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                                                ASHandle:       AS6855
                                                OrgID:          AS6855
                                                ASName:         AS6855
                                                ASNumber:       AS6855
                                                RegDate:        0000-00-00
                                                Updated:        0000-00-00
                                                TechHandle:     AA00-AAAA
                                                Source:         AAAA

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IP WHOIS API & Database

Hosted Domains

There are 3,875 domain names hosted across 1,174 IP addresses on this ASN.

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IP Address	Domain	Domains on this IP
85.239.69.14	██████████	226
85.239.68.14	██████████	222
85.239.69.137	██████████	222
85.239.69.9	██████████	152
213.81.185.100	█████████	104
212.5.221.11	██████████	92
85.239.69.24	██████████	81
213.81.205.150	██████████	73
213.81.139.109	██████████	73
87.197.99.40	██████████	69

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Hosted Domains API & Database

Peers

There are 120 peers for this ASN.

Peers	Name
AS10780	Pure Storage, INC.
AS12344	CZECH IT CLUSTER, druzstvo
AS12767	T-Mobile Czech Republic a.s.
AS1299	Arelion Sweden AB
AS13036	T-Mobile Czech Republic a.s.
AS15380	Air Navigation Services of the Czech Republic, state enterprise
AS15935	ha-vel internet s.r.o.
AS16158	Mavenir Ltd
AS196762	ALKOM Security, a.s.
AS196861	DIGITAL ACTION s.r.o.
AS197083	K2 atmitec s.r.o.
AS197642	Slovak Telekom, a.s.
AS197694	Municipal Office of the City Prague
AS198101	Kooperativa pojistovna, a.s., Vienna Insurance Group
AS198103	CCS Ceska spolecnost pro platebni karty s.r.o.
AS198143	Ceska Posta s.p.
AS198161	Sokolovska uhelna, pravni nastupce, a.s.
AS198494	PREGIS, a.s
AS198543	MAC TV s.r.o.
AS199722	Sberbank CZ, a.s. v likvidaci
AS199806	DCIT, a.s.
AS200222	Sama Tech s.r.o.
AS200355	CadcaNet plus s. r. o.
AS200828	TERMS a.s.
AS201163	Komercni banka, a.s.
AS201447	The Czech National Bank
AS201603	AIRNET s.r.o.
AS201841	Petit Press, a.s.
AS201997	MCOM-NET s.r.o.
AS202564	ITcity s.r.o.
AS202830	KBC GLOBAL SERVICES NV
AS202876	BBNW s.r.o.
AS202877	VEJNET.CZ s.r.o.
AS203080	SAP SE
AS203165	Statni pokladna Centrum sdilenych sluzeb, s.p.
AS203208	Czech Telecommunication Office
AS203411	FORTUNA GAME a.s.
AS204113	Security Information Service
AS204394	Cortex, a.s.
AS204690	PLAYMAX s.r.o.
AS204716	PLAYMAX s.r.o.
AS204772	Reditelstvi silnic a dalnic s.p.
AS205080	Societe Internationale de Telecommunications Aeronautiques
AS206198	ELVISDK, s.r.o.
AS206908	FORTUNA GAME a.s.
AS206909	News and Media Holding a.s.
AS20708	SKODA AUTO a.s.
AS207095	FORTUNA GAME a.s.
AS207696	Dopravni podnik hl.m. Prahy, a.s.
AS208329	Ceska televize
AS208414	WEDOS Internet, a.s.
AS210117	OravaSK s.r.o.
AS211731	Ministry of labour and social affairs
AS212537	Kia Slovakia s. r. o.
AS213057	innogy Ceska republika a.s
AS213152	Narodni bezpecnostni urad Czech Republic
AS213247	JUKO s.r.o. Presov
AS21433	Accenture UK Limited
AS214396	Sudolio a.s.
AS214945	Ministerstvo zahranicnich veci Ceske Republiky
AS215718	IBA Group a.s.
AS216450	Letiste Praha, a. s.
AS21942	ON SEMICONDUCTOR
AS25093	Ceska sporitelna a.s.
AS2571	DHL Information Services (Europe) s.r.o
AS2607	Zdruzenie pouzivatelov Slovenskej akademickej datovej siete SANET
AS2852	CESNET z.s.p.o.
AS28892	Cesky urad zememericky a katastralni
AS29148	SURANY.NET s.r.o.
AS30898	DataCentrum
AS30929	GOLEM TECH s.r.o.
AS31127	SATRO s.r.o.
AS31349	a-net Liberec s.r.o.
AS3320	Deutsche Telekom AG
AS33891	Core-Backbone GmbH
AS34443	365.bank a. s.
AS34462	DITEC, a.s.
AS34475	Agrostroj Pelhrimov, a.s.
AS34521	Atos Slovakia s.r.o.
AS35096	Alef Nula a.s.
AS3573	Accenture LLP
AS394545	Wrike, Inc.
AS39904	MERIT GROUP a.s
AS42826	Axians Slovakia s.r.o.
AS43542	OptoNet Communication, spol. s.r.o.
AS43757	ICZ a.s.
AS44185	bonet.systems, s. r. o.
AS44234	Gaya, s.r.o.
AS44424	Allegro Retail a.s.
AS47232	ISP Alliance a.s.
AS47749	ORIFLAME SOFTWARE s.r.o.
AS48298	MINISTERSTVO VNITRA CR
AS48304	Digmia s.r.o.
AS48405	CGI IT Czech Republic s.r.o.
AS48417	ITS akciova spolecnost
AS48451	Prazska energetika, a.s.
AS48574	T-Mobile Czech Republic a.s.
AS48907	Norttel s.r.o.
AS49044	DIGI SLOVAKIA, s.r.o.
AS49117	DTnet Detva s.r.o.

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ASN API & Database

Upstreams

There are 5 upstreams for this ASN.

upstreams	Name
AS1299	Arelion Sweden AB
AS3320	Deutsche Telekom AG
AS33891	Core-Backbone GmbH
AS6461	Zayo Bandwidth
AS6939	Hurricane Electric LLC

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ASN API & Database

Downstreams

There are 104 downstreams for this ASN.

Downstreams	Name
AS10780	Pure Storage, INC.
AS12344	CZECH IT CLUSTER, druzstvo
AS12767	T-Mobile Czech Republic a.s.
AS13036	T-Mobile Czech Republic a.s.
AS15380	Air Navigation Services of the Czech Republic, state enterprise
AS16158	Mavenir Ltd
AS196762	ALKOM Security, a.s.
AS196861	DIGITAL ACTION s.r.o.
AS197083	K2 atmitec s.r.o.
AS197642	Slovak Telekom, a.s.
AS197694	Municipal Office of the City Prague
AS198101	Kooperativa pojistovna, a.s., Vienna Insurance Group
AS198103	CCS Ceska spolecnost pro platebni karty s.r.o.
AS198143	Ceska Posta s.p.
AS198161	Sokolovska uhelna, pravni nastupce, a.s.
AS198494	PREGIS, a.s
AS198543	MAC TV s.r.o.
AS199722	Sberbank CZ, a.s. v likvidaci
AS199806	DCIT, a.s.
AS200222	Sama Tech s.r.o.
AS200355	CadcaNet plus s. r. o.
AS200828	TERMS a.s.
AS201163	Komercni banka, a.s.
AS201447	The Czech National Bank
AS201603	AIRNET s.r.o.
AS201841	Petit Press, a.s.
AS201997	MCOM-NET s.r.o.
AS202564	ITcity s.r.o.
AS202830	KBC GLOBAL SERVICES NV
AS202876	BBNW s.r.o.
AS203080	SAP SE
AS203165	Statni pokladna Centrum sdilenych sluzeb, s.p.
AS203208	Czech Telecommunication Office
AS203411	FORTUNA GAME a.s.
AS204113	Security Information Service
AS204394	Cortex, a.s.
AS204690	PLAYMAX s.r.o.
AS204716	PLAYMAX s.r.o.
AS204772	Reditelstvi silnic a dalnic s.p.
AS205080	Societe Internationale de Telecommunications Aeronautiques
AS206198	ELVISDK, s.r.o.
AS206908	FORTUNA GAME a.s.
AS206909	News and Media Holding a.s.
AS20708	SKODA AUTO a.s.
AS207095	FORTUNA GAME a.s.
AS207696	Dopravni podnik hl.m. Prahy, a.s.
AS208329	Ceska televize
AS208414	WEDOS Internet, a.s.
AS210117	OravaSK s.r.o.
AS211731	Ministry of labour and social affairs
AS212537	Kia Slovakia s. r. o.
AS213057	innogy Ceska republika a.s
AS213152	Narodni bezpecnostni urad Czech Republic
AS21433	Accenture UK Limited
AS214396	Sudolio a.s.
AS214945	Ministerstvo zahranicnich veci Ceske Republiky
AS215718	IBA Group a.s.
AS216450	Letiste Praha, a. s.
AS21942	ON SEMICONDUCTOR
AS25093	Ceska sporitelna a.s.
AS2571	DHL Information Services (Europe) s.r.o
AS28892	Cesky urad zememericky a katastralni
AS29148	SURANY.NET s.r.o.
AS30898	DataCentrum
AS30929	GOLEM TECH s.r.o.
AS31127	SATRO s.r.o.
AS31349	a-net Liberec s.r.o.
AS34443	365.bank a. s.
AS34462	DITEC, a.s.
AS34475	Agrostroj Pelhrimov, a.s.
AS34521	Atos Slovakia s.r.o.
AS35096	Alef Nula a.s.
AS3573	Accenture LLP
AS39904	MERIT GROUP a.s
AS42826	Axians Slovakia s.r.o.
AS43542	OptoNet Communication, spol. s.r.o.
AS43757	ICZ a.s.
AS44234	Gaya, s.r.o.
AS44424	Allegro Retail a.s.
AS47749	ORIFLAME SOFTWARE s.r.o.
AS48298	MINISTERSTVO VNITRA CR
AS48304	Digmia s.r.o.
AS48405	CGI IT Czech Republic s.r.o.
AS48417	ITS akciova spolecnost
AS48451	Prazska energetika, a.s.
AS48574	T-Mobile Czech Republic a.s.
AS48907	Norttel s.r.o.
AS49044	DIGI SLOVAKIA, s.r.o.
AS49117	DTnet Detva s.r.o.
AS50695	VLTAVA LABE MEDIA a.s.
AS50698	TETA s.r.o.
AS50881	ESET, spol. s r.o.
AS54189	Maxion Wheels U.S.A. LLC
AS56891	Narodni rozvojova banka, a.s.
AS56955	Jan Galbac
AS56973	VITKOVICE IT SOLUTIONS a.s.
AS57007	NITEX ISP s.r.o.
AS57069	Dempsey and Clark s.r.o.
AS57788	Ringier Slovakia Media s.r.o.
AS58239	hanspaul-city.net s.r.o.

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ASN API & Database

Pingable IPs

2,245 IPs in this ASN replied to an ICMP ping during our most recent internet scan. Learn more.

IP Address	ASN	Details
95.102.243.46	AS6855 Slovak Telekom, a.s.	`1.75ms` from Bratislava, SK
95.102.177.247	AS6855 Slovak Telekom, a.s.	`1.66ms` from Bratislava, SK
95.102.18.236	AS6855 Slovak Telekom, a.s.	`1.55ms` from Bratislava, SK
91.127.153.31	AS6855 Slovak Telekom, a.s.	`6.17ms` from Bratislava, SK
87.197.149.189	AS6855 Slovak Telekom, a.s.	`1.57ms` from Bratislava, SK
91.127.9.120	AS6855 Slovak Telekom, a.s.	`6.57ms` from Bratislava, SK
91.127.136.168	AS6855 Slovak Telekom, a.s.	`1.70ms` from Bratislava, SK
95.102.68.205	AS6855 Slovak Telekom, a.s.	`7.00ms` from Bratislava, SK
213.81.168.186	AS6855 Slovak Telekom, a.s.	`0.87ms` from Bratislava, SK
95.102.228.100	AS6855 Slovak Telekom, a.s.	`1.69ms` from Bratislava, SK
178.41.201.145	AS6855 Slovak Telekom, a.s.	`1.87ms` from Bratislava, SK
78.98.218.191	AS6855 Slovak Telekom, a.s.	`1.89ms` from Bratislava, SK
91.127.239.61	AS6855 Slovak Telekom, a.s.	`1.60ms` from Bratislava, SK
84.47.78.93	AS6855 Slovak Telekom, a.s.	`1.66ms` from Bratislava, SK
78.99.186.155	AS6855 Slovak Telekom, a.s.	`1.61ms` from Bratislava, SK
78.99.58.30	AS6855 Slovak Telekom, a.s.	`7.42ms` from Bratislava, SK
213.81.169.233	AS6855 Slovak Telekom, a.s.	`1.33ms` from Bratislava, SK
212.5.216.1	AS6855 Slovak Telekom, a.s.	`1.03ms` from Bratislava, SK
213.81.132.137	AS6855 Slovak Telekom, a.s.	`0.74ms` from Bratislava, SK
78.99.125.90	AS6855 Slovak Telekom, a.s.	`4.65ms` from Bratislava, SK
95.102.251.97	AS6855 Slovak Telekom, a.s.	`1.22ms` from Bratislava, SK
78.98.6.152	AS6855 Slovak Telekom, a.s.	`5.06ms` from Bratislava, SK
95.103.144.114	AS6855 Slovak Telekom, a.s.	`4.10ms` from Bratislava, SK
178.40.114.64	AS6855 Slovak Telekom, a.s.	`7.91ms` from Bratislava, SK
95.103.76.88	AS6855 Slovak Telekom, a.s.	`7.13ms` from Bratislava, SK

Other Pingable IPs

Below is a random selection of 25 IPs that replied to an ICMP ping during our most recent internet scan.

IP Address	ASN	Details
54.217.101.23	AS16509 Amazon.com, Inc.	`0.28ms` from Dublin, IE
104.102.45.199	AS16625 Akamai Technologies, Inc.	`0.32ms` from Frankfurt am Main, DE
218.86.29.247	AS4134 CHINANET BACKBONE	`9.43ms` from Fuzhou, CN
119.147.134.55	AS134763 CHINANET Guangdong province network	`5.44ms` from Guangzhou, CN
81.101.168.215	AS5089 Virgin Media Limited	`5.09ms` from London, GB
212.15.54.199	AS210928 RDB 24, Ltd.	`7.47ms` from Moscow, RU
84.48.97.151	AS211309 Obos Nett AS	`1.89ms` from Sandefjord, NO
200.29.51.55	AS7418 TELEFÓNICA CHILE S.A.	`0.74ms` from Santiago, CL
112.182.43.103	AS4766 Korea Telecom	`1.74ms` from Seoul, KR
52.184.167.247	AS8075 Microsoft Corporation	`0.18ms` from Boydton, US
190.3.153.39	AS19889 Cooperativa Telefonica Del Viso	`1.53ms` from Buenos Aires, AR
108.91.92.199	AS7018 AT&T Enterprises, LLC	`9.81ms` from Chicago, US
14.245.193.103	AS45899 VNPT Corp	`5.04ms` from Da Nang, VN
87.178.92.103	AS3320 Deutsche Telekom AG	`9.10ms` from Frankfurt am Main, DE
107.148.138.87	AS398478 PEG TECH INC	`0.76ms` from Hong Kong, HK
86.131.43.55	AS2856 British Telecommunications PLC	`6.45ms` from London, GB
178.225.143.199	AS31615 Odido Netherlands B.V.	`8.96ms` from Amsterdam, NL
23.117.90.135	AS7018 AT&T Enterprises, LLC	`9.17ms` from Atlanta, US
125.24.85.231	AS23969 TOT Public Company Limited	`1.09ms` from Bangkok, TH
124.177.203.231	AS1221 Telstra Limited	`1.96ms` from Brisbane, AU
202.83.77.23	AS142143 WESLEY MISSION QUEENSLAND	`1.37ms` from Brisbane, AU
178.116.157.39	AS6848 Telenet BV	`9.86ms` from Brussels, BE
47.186.187.135	AS5650 Frontier Communications of America, Inc.	`7.97ms` from Dallas, US
99.81.250.55	AS16509 Amazon.com, Inc.	`0.31ms` from Dublin, IE
43.216.3.23	AS16509 Amazon.com, Inc.	`0.92ms` from Kuala Lumpur, MY

Traceroute

Below is a recent traceroute taken from the IPinfo ProbeNet to an IP in this ASN. Learn more.

traceroute -a -n -q1 -f5 78.99.97.136

traceroute to 78.99.97.136 (78.99.97.136): 64 hops max, 52 byte packets

5 [] 192.108.148.31 10.622 ms

6 [AS6855] 213.81.233.159 12.741 ms

7 [AS6855] 78.99.97.136 26.814 ms

Measurement taken from

IPinfo ProbeNet in Belgrade, RS

On April 13th 2026

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What is an ASN?

Autonomous System Numbers (ASNs) are assigned to entities such as Internet Service Providers and other large organizations that control blocks of IP addresses. This network page, and the organization field that's shown on the main IP address information page and also returned in the geolocation API are based on the ASN.

The ASN details will often correspond to the IP address owner, but for smaller organizations it may be that organization's parent, or their ISP. Find out more about AS6855 at robtex.

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