204471 KARSOLINK, IT
Adjacency: 7 Upstream: 3 Downstream: 4
Upstream Adjacent AS list
AS9002 RETN-AS, GB
AS6939 HURRICANE, US
AS41327 FIBERTELECOM-AS Fiber Telecom S.p.A., IT
Downstream Adjacent AS list
AS205493 ITUBLOX-AS, IT
AS208449 BEECLOUDYNET, IT
AS50877 AIRBEAM-AS AIRBEAM, IT
AS200036 CITYNET, IT
Rank AS Type Originate Addr Space (pfx) Transit Addr space (pfx) Description 31743 AS204471 ORIGIN Originate: 1536 /21.42 Transit: 0 /0.00 KARSOLINK, IT
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 % 14259 AS204471 KARSOLINK, IT 6 4 1 3 3 50.00% Prefix AS Path Aggregation Suggestion 193.194.16.0/22 6939 204471 + Announce - aggregate of 193.194.16.0/23 (6939 204471) and 193.194.18.0/23 (6939 204471) 193.194.16.0/24 6939 204471 - Withdrawn - aggregated with 193.194.17.0/24 (6939 204471) 193.194.17.0/24 6939 204471 - Withdrawn - aggregated with 193.194.16.0/24 (6939 204471) 193.194.18.0/24 6939 204471 - Withdrawn - aggregated with 193.194.19.0/24 (6939 204471) 193.194.19.0/24 6939 204471 - Withdrawn - aggregated with 193.194.18.0/24 (6939 204471) 193.194.20.0/24 6939 204471 217.197.106.0/24 6939 204471
Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.
AS204471 2 More Specifics 2 Total Advertisements KARSOLINK, IT
77.37.3.0/24 77.37.0.0/17
77.37.29.0/24 77.37.0.0/17
Prefixes added and withdrawn by this origin AS in the past 7 days.
- 217.197.106.0/24 Withdrawn
whois: 402590
IANA has recorded AS204471 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS204471\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 'AS203940 - AS205662'
as-block: AS203940 - AS205662
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: 2026-03-05T15:29:31Z
last-modified: 2026-03-05T15:29:31Z
source: RIPE
% Information related to 'AS204471'
% Abuse contact for 'AS204471' is 'abuse@karsolink.com'
aut-num: AS204471
as-name: KARSOLINK
org: ORG-JSTA11-RIPE
remarks: ------------------------------------------------------
remarks: Upstreams
remarks: ------------------------------------------------------
import: from AS41327 accept ANY
export: to AS41327 announce AS204471:AS-KARSOLINK-CUSTOMER
import: from AS9002 accept ANY
export: to AS9002 announce AS204471:AS-KARSOLINK-CUSTOMER
remarks: ------------------------------------------------------
remarks: Peers
remarks: ------------------------------------------------------
import: from AS50877 accept ANY
export: to AS50877 announce ANY
import: from AS62275 accept ANY
export: to AS62275 announce ANY
remarks: ------------------------------------------------------
remarks: Customers
remarks: ------------------------------------------------------
import: from AS8038 accept AS8038
export: to AS8038 announce ANY
import: from AS57771 accept AS57771
export: to AS57771 announce ANY
import: from AS200036 accept AS200036
export: to AS200036 announce ANY
import: from AS208449 accept AS208449:AS-BEECLOUDYNET
export: to AS208449 announce ANY
import: from AS205493 accept AS205493
export: to AS205493 announce ANY
remarks: ------------------------------------------------------
remarks: PCIX - Piacenza
remarks: ------------------------------------------------------
remarks: accept ANY from RS / announce AS204471:AS-KARSOLINK-CUSTOMER to RS
remarks: ------------------------------------------------------
remarks: MINAP - Milan
remarks: ------------------------------------------------------
remarks: accept ANY from RS / announce AS204471:AS-KARSOLINK-CUSTOMER to RS
remarks: ------------------------------------------------------
remarks: MIX-IT - Milan
remarks: ------------------------------------------------------
remarks: accept ANY from RS / announce AS204471:AS-KARSOLINK-CUSTOMER to RS
remarks: ------------------------------------------------------
remarks: VSIX - Padua
remarks: ------------------------------------------------------
remarks: accept ANY from RS / announce AS204471:AS-KARSOLINK-CUSTOMER to RS
remarks: ------------------------------------------------------
remarks: TOP-IX - Turin
remarks: ------------------------------------------------------
remarks: accept ANY from RS / announce AS204471:AS-KARSOLINK-CUSTOMER to RS
remarks: ------------------------------------------------------
admin-c: KTR11-RIPE
tech-c: KTR11-RIPE
status: ASSIGNED
mnt-by: RIPE-NCC-END-MNT
mnt-by: lir-it-karsolink-1-MNT
created: 2022-06-22T08:08:12Z
last-modified: 2026-03-16T14:37:23Z
source: RIPE
organisation: ORG-JSTA11-RIPE
org-name: 2S Computers SRL
country: IT
reg-nr: 01242490322
org-type: LIR
address: Località Prosecco-Prosek, 111
address: 34151
address: Trieste
address: ITALY
phone: +39 040225947
admin-c: KTR11-RIPE
tech-c: KTR11-RIPE
abuse-c: AR68189-RIPE
mnt-ref: lir-it-karsolink-1-MNT
mnt-by: RIPE-NCC-HM-MNT
mnt-by: lir-it-karsolink-1-MNT
created: 2022-04-24T12:51:57Z
last-modified: 2026-05-13T07:43:08Z
source: RIPE # Filtered
%ERROR:201: access denied for 2401:2000:6660:0:0:0:0:13
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