ResearchRouting table, RPKI, IRR & looking glass

AS6855 Slovak Telekom, a.s.

AS6855 (SK-TELEKOM) is registered to Slovak Telekom, a.s. in SK, through RIPE. It originates 46 prefixes in the global routing table.

37
IPv4 prefixes
9
IPv6 prefixes
663,296
IPv4 addresses
76%
RPKI valid

Who holds AS6855

Names from RIPE NCC’s daily list of every allocated AS number. The ASN lookup fetches the full WHOIS record live.

AS number
AS6855
Handle
SK-TELEKOM
Organization
Slovak Telekom, a.s.
Country
SK
Registry
RIPE
ASPA
None published
WHOIS recordRIPE
% 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.
%       To receive output for a database update, use the "-B" flag.

% 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:        <name> 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:        2004-04-17T12:0

What AS6855 announces

Prefixes originated by AS6855 in the routing table our collectors hold (kept current as routes change), each checked against the RPKI (every ten minutes) and the IRR (daily).

IPv4 prefixes
37
IPv6 prefixes
9
IPv4 addresses
663,296 (2,591 /24s)
RPKI valid
35 76%
RPKI invalid
0
RPKI not found
11
ROAs naming AS6855
44
With an IRR route object
46 100%

Who AS6855 buys transit from

Inferred from the AS paths in the RouteViews tables and our own collectors’ feeds, refreshed every 4 hours, most-seen first. 6 upstreams.

Who buys transit from AS6855

105 downstreams, its customers; those marked ASPA name AS6855 as a provider in theirs.

Show 65 more

Provider authorization

AS6855 publishes no ASPA of its own. 6 ASes name it as a provider in theirs. Check a path.

The 6 ASes that name AS6855 as a provider

Routing registry objects

From the mirrored IRR databases (RADB, the five RIRs and more). Look it up live.