6855 SK-TELEKOM - Slovak Telekom, a.s., SK
Adjacency: 98 Upstream: 3 Downstream: 95
Upstream Adjacent AS list
AS1299 TWELVE99 - Arelion Sweden AB, SE
AS3320 DTAG - Deutsche Telekom AG, DE
AS44185 BONET - bonet.systems, s. r. o., SK
Downstream Adjacent AS list
AS20708 SKODA-AUTO - SKODA-AUTO, CZ
AS2571 DHLNET - DHL Information Services (Europe) s.r.o, CZ
AS50698 TETA - TETA s.r.o., CZ
AS39904 MERIT-AS - MERIT GROUP a.s, CZ
AS197694 MEPNET-AS - MEPNET-AS, CZ
AS198103 CCS-CZ - CCS-CZ, CZ
AS199220 KRS-AS-CZ - KRS-AS-CZ, CZ
AS204394 CORTEX - Cortex, a.s., CZ
AS213057 innogycz - innogy Ceska republika a.s, CZ
AS208329 Ceska_televize - Ceska televize, CZ
AS59747 NIX-DR - NIX.CZ z.s.p.o., CZ
AS48304 DIGMIA-AS1JBDI-RIPE - Digmia s.r.o., SK
AS214396 SUDOLIO-AS - Sudolio a.s., SK
AS42826 SK-AXIANS-AS - Axians Slovakia s.r.o., SK
AS208882 AS-COOLNET1-SK - Automation & Business, s.r.o., SK
AS203080 SAP_SE_PRG - SAP SE, DE
AS16158 MAVENIR-AS - Mavenir Ltd, IL
AS54189 HLIOP-ASN2 - Maxion Wheels U.S.A. LLC, US
AS12344 CZECHITC - CZECH IT CLUSTER, druzstvo, CZ
AS15380 ANSCZ - Air Navigation Services of the Czech Republic, state enterprise, CZ
AS196762 ASALKOM - ALKOM Security, a.s., CZ
AS197083 K2ATMITEC - K2 atmitec s.r.o., CZ
AS198143 CESKAPOSTA-AS - Ceska Posta s.p., CZ
AS197642 ST-IDC2-AS - Slovak Telekom, a.s., SK
AS196861 DIGIACT-AS - DIGIACT-AS, CZ
AS200355 CADCANET - CadcaNet plus s. r. o., SK
AS201163 KB-AS-CZ - Komercni banka, a.s., CZ
AS201447 AS_CNB - The Czech National Bank, CZ
AS200828 THOSTING-AS - TERMS a.s., CZ
AS201997 SK-MCOM-AS - MCOM-NET s.r.o., SK
AS201603 AIRNET-SK - AIRNET s.r.o., SK
AS200222 Samanet - Sama Tech s.r.o., SK
AS13036 TMOBILE-CZ - T-Mobile Czech Republic a.s., CZ
AS10780 PURE-STORAGE - Pure Storage, INC., US
AS202830 AS_KBCGROUP_DCSK - KBC GLOBAL SERVICES NV, BE
AS202876 as_bbnw - BBNW s.r.o., SK
AS204113 CSIS - Security Information Service, CZ
AS204716 playmax - PLAYMAX s.r.o., SK
AS204690 olimsk - PLAYMAX s.r.o., SK
AS204772 RSD-CZ - Reditelstvi silnic a dalnic s.p., CZ
AS203208 CTU_AS4_2 - Czech Telecommunication Office, CZ
AS206908 PL-FORTUNA-GAME - FORTUNA GAME a.s., CZ
AS206909 NMH-AS - News and Media Holding a.s., SK
AS207696 DPP-AS - DPP-AS, CZ
AS209100 tpnet - TP NET Plus s.r.o, SK
AS207095 SK-FORTUNA-GAME - FORTUNA GAME a.s., CZ
AS206198 ELVISDK-AS - ELVISDK, s.r.o., SK
AS205080 SITA-CORPORATE - Societe Internationale de Telecommunications Aeronautiques, BE
AS203165 SPCSS - Statni pokladna Centrum sdilenych sluzeb, s.p., CZ
AS213247 JUKO - JUKO s.r.o. Presov, SK
AS213152 NBU - Narodni bezpecnostni urad Czech Republic, CZ
AS21433 AccentureFSSC - Accenture UK Limited, GB
AS212537 KIASK-AS - KIASK-AS, SK
AS211731 MPSV-AS-CZ - MPSV-AS-CZ, CZ
AS215718 IBAGroup - IBA Group a.s., CZ
AS28892 CUZK-NET - Cesky urad zememericky a katastralni, CZ
AS25093 CSAS-CZ - Ceska sporitelna a.s., CZ
AS21942 --No Registry Entry--
AS30898 CRSR-AS - DataCentrum, SK
AS31127 SATRO - SATRO s.r.o., SK
AS29148 ASSURANY - SURANY.NET s.r.o., SK
AS34443 PABK-AS - PABK-AS, SK
AS216450 prgaero - Letiste Praha, a. s., CZ
AS34475 Agrostroj - Agrostroj Pelhrimov, a.s., CZ
AS35096 ALEFNULA - ALEFNULA, CZ
AS34521 ATOS-SK-AS - Atos Slovakia s.r.o., SK
AS34462 DITEC-AS - DITEC, a.s., SK
AS43542 OptoNet-AS - OptoNet Communication, spol. s.r.o., CZ
AS47749 ORIFLAME-AS - ORIFLAME SOFTWARE s.r.o., CZ
AS48417 ITS-CZ - ITS akciova spolecnost, CZ
AS48298 GOVCZ - MINISTERSTVO VNITRA CR, CZ
AS47767 RCO-AS - Regionalni centrum Olomouc s.r.o., CZ
AS48907 ASNORTTEL - Norttel s.r.o., SK
AS48574 ASN-CZ-PLANET-A-48574 - T-Mobile Czech Republic a.s., CZ
AS50695 VLP-AS - VLP-AS, CZ
AS49117 DTNETSK-AS - DTnet Detva s.r.o., SK
AS56891 ASCZRB - Narodni rozvojova banka, a.s., CZ
AS50881 ESET-AS - ESET, spol. s r.o., SK
AS49044 DIGISK - DIGISK, SK
AS48451 PRE-AS - Prazska energetika, a.s., CZ
AS44424 AS44424 - AS44424, CZ
AS56973 VITSOL - VITKOVICE IT SOLUTIONS a.s., CZ
AS60086 VALVERA - Valvera s.r.o., CZ
AS58239 ASHANSPAULCITY - hanspaul-city.net s.r.o., CZ
AS57788 RINGIERSK-AS - Ringier Slovakia Media s.r.o., SK
AS57007 ASNITEX - NITEX ISP s.r.o., CZ
AS56955 JANGALBAC-NET - Jan Galbac, SK
AS44234 GAYA-AS - Gaya, s.r.o., SK
AS43757 ICZAS-CZ - ICZAS-CZ, CZ
AS214945 MZVCR - Ministerstvo zahranicnich veci Ceske Republiky, CZ
AS210117 ASORAVASK - OravaSK s.r.o., SK
AS202564 ITCITY - ITcity s.r.o., SK
AS6658 UNSPECIFIED - NAPRI s.r.o., SK
AS60829 ASNEVERNET - NEVERNET, s.r.o., SK
AS201841 SK-PETITPRESS-ASN - Petit Press, a.s., SK
Rank AS Type Originate Addr Space (pfx) Transit Addr space (pfx) Description 568 AS6855 ORG+TRN Originate: 663296 /12.66 Transit: 1165824 /11.85 SK-TELEKOM - Slovak Telekom, a.s., SK
Aggregation Suggestions
Filter: Aggregates, Specifics
This report does not take into account conditions local to each origin AS in terms of policy or traffic engineering requirements, so this is an approximate guideline as to aggregation possibilities.
Rank AS AS Name Current Wthdw Aggte Annce Redctn % 5695 AS6855 SK-TELEKOM - Slovak Telekom, a.s., SK 36 13 5 28 8 22.22% Prefix AS Path Aggregation Suggestion 78.98.0.0/15 4777 2516 3320 6855 84.47.0.0/17 4777 2516 3320 6855 85.239.68.0/23 4777 2497 1299 6855 + Announce - aggregate of 85.239.68.0/24 (4777 2497 1299 6855) and 85.239.69.0/24 (4777 2497 1299 6855) 85.239.68.0/24 4777 2497 1299 6855 - Withdrawn - aggregated with 85.239.69.0/24 (4777 2497 1299 6855) 85.239.69.0/24 4777 2497 1299 6855 - Withdrawn - aggregated with 85.239.68.0/24 (4777 2497 1299 6855) 85.239.80.0/21 4777 2516 3320 6855 + Announce - aggregate of 85.239.80.0/22 (4777 2516 3320 6855) and 85.239.84.0/22 (4777 2516 3320 6855) 85.239.80.0/23 4777 2516 3320 6855 - Withdrawn - aggregated with 85.239.82.0/23 (4777 2516 3320 6855) 85.239.82.0/23 4777 2516 3320 6855 - Withdrawn - aggregated with 85.239.80.0/23 (4777 2516 3320 6855) 85.239.84.0/22 4777 2516 3320 6855 - Withdrawn - aggregated with 85.239.80.0/22 (4777 2516 3320 6855) 85.248.31.0/24 4777 2516 3320 6855 85.248.74.0/24 4777 2497 1299 6855 87.197.0.0/16 4777 2516 3320 6855 91.127.0.0/16 4777 2516 3320 6855 91.195.106.0/23 4777 2516 3320 6855 + Announce - aggregate of 91.195.106.0/24 (4777 2516 3320 6855) and 91.195.107.0/24 (4777 2516 3320 6855) 91.195.106.0/24 4777 2516 3320 6855 - Withdrawn - aggregated with 91.195.107.0/24 (4777 2516 3320 6855) 91.195.107.0/24 4777 2516 3320 6855 - Withdrawn - aggregated with 91.195.106.0/24 (4777 2516 3320 6855) 91.245.16.0/23 4777 2497 1299 6855 95.102.0.0/15 4777 2516 3320 6855 178.40.0.0/15 4777 2516 3320 6855 185.58.102.0/23 4777 2516 3320 6855 + Announce - aggregate of 185.58.102.0/24 (4777 2516 3320 6855) and 185.58.103.0/24 (4777 2516 3320 6855) 185.58.102.0/24 4777 2516 3320 6855 - Withdrawn - aggregated with 185.58.103.0/24 (4777 2516 3320 6855) 185.58.103.0/24 4777 2516 3320 6855 - Withdrawn - aggregated with 185.58.102.0/24 (4777 2516 3320 6855) 193.84.7.0/24 4777 2516 3320 6855 193.84.96.0/22 4777 2497 1299 6855 + Announce - aggregate of 193.84.96.0/23 (4777 2497 1299 6855) and 193.84.98.0/23 (4777 2497 1299 6855) 193.84.96.0/24 4777 2497 1299 6855 - Withdrawn - aggregated with 193.84.97.0/24 (4777 2497 1299 6855) 193.84.97.0/24 4777 2497 1299 6855 - Withdrawn - aggregated with 193.84.96.0/24 (4777 2497 1299 6855) 193.84.98.0/23 4777 2497 1299 6855 - Withdrawn - aggregated with 193.84.96.0/23 (4777 2497 1299 6855) 193.84.245.0/24 4777 2516 3320 6855 193.200.143.0/24 4777 2497 1299 6855 193.201.110.0/24 4777 2497 1299 6855 194.48.241.0/24 4777 2516 3320 6855 194.50.215.0/24 4777 2516 3320 6855 194.154.224.0/19 4777 2516 3320 6855 194.169.224.0/24 4777 2516 3320 6855 195.91.0.0/17 4777 2516 3320 6855 195.146.128.0/19 4777 2516 3320 6855 195.146.130.0/24 4777 2516 3320 6855 - Withdrawn - matching aggregate 195.146.128.0/19 4777 2516 3320 6855 195.216.240.0/24 4777 2497 1299 6855 212.5.192.0/19 4777 2516 3320 6855 213.81.128.0/17 4777 2516 3320 6855 213.160.160.0/19 4777 2516 3320 6855
Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.
AS6855 16 More Specifics 36 Total Advertisements SK-TELEKOM - Slovak Telekom, a.s., SK
85.239.68.0/24 85.239.64.0/20
85.239.69.0/24 85.239.64.0/20
85.239.80.0/23 85.239.80.0/21
85.239.82.0/23 85.239.80.0/21
85.239.84.0/22 85.239.80.0/21
85.248.31.0/24 85.248.0.0/16
85.248.74.0/24 85.248.0.0/16
91.195.106.0/24 91.195.106.0/23
91.195.107.0/24 91.195.106.0/23
91.245.16.0/23 91.245.16.0/21
185.58.102.0/24 185.58.100.0/22
185.58.103.0/24 185.58.100.0/22
193.84.96.0/24 193.84.96.0/22
193.84.97.0/24 193.84.96.0/22
193.84.98.0/23 193.84.96.0/22
195.146.130.0/24 195.146.128.0/19
whois: 402603
IANA has recorded AS6855 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS6855\n % This is the RIPE Database query service.
% The objects are in RPSL format.
%
% The RIPE Database is subject to Terms and Conditions.
% See https://docs.db.ripe.net/terms-conditions.html
% Note: this output has been filtered.
% Information related to 'AS6714 - AS6878'
as-block: AS6714 - AS6878
descr: RIPE NCC ASN block
remarks: These AS Numbers are assigned to network operators in the RIPE NCC service region.
mnt-by: RIPE-NCC-HM-MNT
created: 2018-11-22T15:27:23Z
last-modified: 2018-11-22T15:27:23Z
source: RIPE
% Information related to 'AS6855'
% Abuse contact for 'AS6855' is 'abuse@telekom.sk'
aut-num: AS6855
as-name: SK-TELEKOM
descr: Slovak Telekom / T-Mobile CZ
org: ORG-ST4-RIPE
remarks: --------------
remarks: -- Upstream --
remarks: --------------
import: from AS3320 action pref=60; accept ANY
import: from AS1299 action pref=60; accept ANY
remarks: -------------
remarks: -- Peering --
remarks: -------------
import: from AS-SIXSTIP-SET action pref=70; accept ANY
remarks: ----------------
remarks: -- Upstream --
remarks: --------------
export: to AS3320 announce AS-SLOVAK
export: to AS1299 announce AS-SLOVAK
export: to AS5588 announce AS13036
remarks: -------------
remarks: -- Peering --
remarks: -------------
export: to AS-SIXSTIP-SET announce AS-SLOVAK
remarks: ----------------
default: to AS3320 action pref=100; networks ANY
remarks: ==============================
remarks: Communities to control traffic
remarks: 6855:1101 Do not announce to SIX
remarks: 6855:1102 Do not announce to DT AS3320
remarks: 6855:1107 Do not announce to TeliaSonera AS1299
remarks: 6855:1201 Prepend 6855 when announcing to SIX
remarks: 6855:1202 Prepend 6855 when announcing to AS3320
remarks: 6855:1207 Prepend 6855 when announcing to AS1299
remarks: 6855:1301 Prepend 6855 6855 when announcing to SIX
remarks: 6855:1302 Prepend 6855 6855 when announcing to AS3320
remarks: 6855:1307 Prepend 6855 6855 when announcing to AS1299
remarks: 6855:50 SET_LOCAL_PREFERENCE to 50
remarks: 6855:90 SET_LOCAL_PREFERENCE to 90
remarks: LOC_PREF settings
remarks: 50 Customer routes - GLOBAL BACKUP
remarks: 60 Upstream providers
remarks: 70 Peering partners
remarks: 90 Customer routes - BACKUP links with ST AS6855
remarks: 100 Customer routes - PRIMARY connections
remarks: Other:
remarks: DSCP = 0 on ANY connection
remarks: (upstream, peer, customers, dial customers, VPN customers)
remarks: ================
remarks: Route colouring:
remarks: 6855:2401 Routes from SIX peering
remarks: 6855:2402 Routes from DT
remarks: 6855:2407 Routes from TeliaSonera
remarks: 6855:2700 Default route
remarks: POP NAME POP ID PA comm strings PI comm strings
remarks: xx 6855:26xx 6855:25xx
remarks: ==================================================
admin-c: STIP-RIPE
tech-c: STIP-RIPE
status: ASSIGNED
mnt-by: RIPE-NCC-END-MNT
mnt-by: SK-TELECOM-MNT
created: 1970-01-01T00:00:00Z
last-modified: 2020-11-02T09:17:37Z
source: RIPE
organisation: ORG-ST4-RIPE
org-name: Slovak Telekom, a.s.
country: SK
reg-nr: 35 763 469
org-type: LIR
address: Bajkalska 28
address: 817 62
address: Bratislava
address: SLOVAKIA
phone: +421258823205
mnt-ref: SK-TELECOM-MNT
mnt-ref: RIPE-NCC-HM-MNT
mnt-by: RIPE-NCC-HM-MNT
mnt-by: SK-TELECOM-MNT
admin-c: JK1887-RIPE
admin-c: RJAR-RIPE
admin-c: SI261-RIPE
admin-c: MM34621-RIPE
admin-c: MB1059-RIPE
abuse-c: STIP-RIPE
created: 2004-04-17T12:06:36Z
last-modified: 2026-05-13T07:31:07Z
source: RIPE # Filtered
role: Slovak Telecom Network Administrator
address: Slovak Telekom, a.s.
address: Bajkalska 28, 81762 Bratislava, Slovak republic
abuse-mailbox: abuse@telekom.sk
admin-c: JK1887-RIPE
tech-c: JK1887-RIPE
tech-c: MM34621-RIPE
tech-c: RJAR-RIPE
nic-hdl: STIP-RIPE
mnt-by: SK-TELECOM-MNT
created: 2002-10-14T08:17:59Z
last-modified: 2015-05-12T11:27:29Z
source: RIPE # Filtered
% This query was served by the RIPE Database Query Service version 1.122.1 (SHETLAND)