8257 SLOVANET-BROADBAND www.slovanet.net, SK
Adjacency: 1 Upstream: 1 Downstream: 0
Upstream Adjacent AS list
AS8778 SLOVANET www.slovanet.net, SK
Rank AS Type Originate Addr Space (pfx) Transit Addr space (pfx) Description 1563 AS8257 ORIGIN Originate: 156672 /14.74 Transit: 0 /0.00 SLOVANET-BROADBAND www.slovanet.net, 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 % 7177 AS8257 SLOVANET-BROADBAND www.slovanet.net, SK 13 8 2 7 6 46.15% Prefix AS Path Aggregation Suggestion 85.135.128.0/17 3303 8778 8257 85.135.128.0/17 6939 8778 8257 + Announce - aggregate of 85.135.128.0/18 (6939 8778 8257) and 85.135.192.0/18 (6939 8778 8257) 85.135.128.0/18 6939 8778 8257 - Withdrawn - aggregated with 85.135.192.0/18 (6939 8778 8257) 85.135.192.0/18 6939 8778 8257 - Withdrawn - aggregated with 85.135.128.0/18 (6939 8778 8257) 176.61.192.0/18 3303 8778 8257 176.61.192.0/19 6939 8778 8257 + Announce - aggregate of 176.61.192.0/20 (6939 8778 8257) and 176.61.208.0/20 (6939 8778 8257) 176.61.192.0/20 6939 8778 8257 - Withdrawn - aggregated with 176.61.208.0/20 (6939 8778 8257) 176.61.208.0/20 6939 8778 8257 - Withdrawn - aggregated with 176.61.192.0/20 (6939 8778 8257) 178.253.128.0/18 3303 8778 8257 178.253.128.0/19 3303 8778 8257 - Withdrawn - matching aggregate 178.253.128.0/18 3303 8778 8257 178.253.160.0/19 3303 8778 8257 - Withdrawn - matching aggregate 178.253.128.0/18 3303 8778 8257 185.37.240.0/22 6939 8778 8257 188.112.64.0/18 3303 8778 8257 188.112.64.0/19 3303 8778 8257 - Withdrawn - matching aggregate 188.112.64.0/18 3303 8778 8257 188.112.96.0/19 3303 8778 8257 - Withdrawn - matching aggregate 188.112.64.0/18 3303 8778 8257
Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.
AS8257 10 More Specifics 15 Total Advertisements SLOVANET-BROADBAND www.slovanet.net, SK
85.135.128.0/18 85.135.128.0/17
85.135.192.0/18 85.135.128.0/17
176.61.192.0/20 176.61.192.0/18
176.61.208.0/20 176.61.192.0/18
176.61.224.0/21 176.61.192.0/18
176.61.232.0/21 176.61.192.0/18
178.253.128.0/19 178.253.128.0/18
178.253.160.0/19 178.253.128.0/18
188.112.64.0/19 188.112.64.0/18
188.112.96.0/19 188.112.64.0/18
Prefixes added and withdrawn by this origin AS in the past 7 days.
+ 178.253.128.0/19 Announced
+ 178.253.160.0/19 Announced
whois: 402590
IANA has recorded AS8257 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS8257\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 'AS8192 - AS8523'
as-block: AS8192 - AS8523
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 'AS8257'
% Abuse contact for 'AS8257' is 'abuse00@slovanet.net'
aut-num: AS8257
org: ORG-Sa61-RIPE
as-name: SLOVANET-BROADBAND
descr: http://www.slovanet.net/
remarks: ***
import: from AS8778 accept ANY
export: to AS8778 announce AS8257
remarks: ***
admin-c: IV68-RIPE
tech-c: IV68-RIPE
status: ASSIGNED
mnt-by: RIPE-NCC-END-MNT
mnt-by: SLOVANET-MNT
created: 2002-04-03T05:44:24Z
last-modified: 2017-11-15T09:13:09Z
source: RIPE
organisation: ORG-Sa61-RIPE
org-name: Slovanet a.s.
country: SK
reg-nr: 35 954 612
org-type: LIR
address: Galvaniho 19
address: 821 04
address: Bratislava
address: SLOVAKIA
phone: +421 2 2082 8111
fax-no: +421 2 2082 8222
admin-c: IV68-RIPE
abuse-c: SNET-RIPE
mnt-ref: RIPE-NCC-HM-MNT
mnt-ref: SLOVANET-MNT
mnt-by: RIPE-NCC-HM-MNT
mnt-by: SLOVANET-MNT
created: 2004-04-17T12:06:34Z
last-modified: 2026-05-13T07:25:07Z
source: RIPE # Filtered
%ERROR:201: access denied for 2401:2000:6660:0:0:0:0:13
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