200043 CESENA-NET-SRL, IT
Adjacency: 5 Upstream: 4 Downstream: 1
Upstream Adjacent AS list
AS12779 ITGATE, IT
AS6939 HURRICANE, US
AS9002 RETN-AS, GB
AS6762 SEABONE-NET TELECOM ITALIA SPARKLE S.p.A., IT
Downstream Adjacent AS list
AS62290 TSNET, IT
Rank AS Type Originate Addr Space (pfx) Transit Addr space (pfx) Description 6487 AS200043 ORG+TRN Originate: 22528 /17.54 Transit: 3072 /20.42 CESENA-NET-SRL, 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 % 4219 AS200043 CESENA-NET-SRL, IT 26 18 5 13 13 50.00% Prefix AS Path Aggregation Suggestion 5.178.120.0/21 6939 200043 + Announce - aggregate of 5.178.120.0/22 (6939 200043) and 5.178.124.0/22 (6939 200043) 5.178.120.0/24 6939 200043 - Withdrawn - aggregated with 5.178.121.0/24 (6939 200043) 5.178.121.0/24 6939 200043 - Withdrawn - aggregated with 5.178.120.0/24 (6939 200043) 5.178.122.0/24 6939 200043 - Withdrawn - aggregated with 5.178.123.0/24 (6939 200043) 5.178.123.0/24 6939 200043 - Withdrawn - aggregated with 5.178.122.0/24 (6939 200043) 5.178.124.0/24 6939 200043 - Withdrawn - aggregated with 5.178.125.0/24 (6939 200043) 5.178.125.0/24 6939 200043 - Withdrawn - aggregated with 5.178.124.0/24 (6939 200043) 5.178.126.0/24 6939 200043 - Withdrawn - aggregated with 5.178.127.0/24 (6939 200043) 5.178.127.0/24 6939 200043 - Withdrawn - aggregated with 5.178.126.0/24 (6939 200043) 31.3.168.0/21 6939 200043 200043 200043 + Announce - aggregate of 31.3.168.0/22 (6939 200043 200043 200043) and 31.3.172.0/22 (6939 200043 200043 200043) 31.3.168.0/22 6939 200043 200043 200043 - Withdrawn - aggregated with 31.3.172.0/22 (6939 200043 200043 200043) 31.3.172.0/22 6939 200043 200043 200043 - Withdrawn - aggregated with 31.3.168.0/22 (6939 200043 200043 200043) 31.3.176.0/20 6939 200043 45.10.220.0/22 6939 200043 62.220.64.0/20 6939 200043 62.220.80.0/20 6939 200043 200043 200043 + Announce - aggregate of 62.220.80.0/21 (6939 200043 200043 200043) and 62.220.88.0/21 (6939 200043 200043 200043) 62.220.80.0/21 6939 200043 200043 200043 - Withdrawn - aggregated with 62.220.88.0/21 (6939 200043 200043 200043) 62.220.88.0/21 6939 200043 200043 200043 - Withdrawn - aggregated with 62.220.80.0/21 (6939 200043 200043 200043) 109.238.124.0/22 6939 200043 + Announce - aggregate of 109.238.124.0/23 (6939 200043) and 109.238.126.0/23 (6939 200043) 109.238.124.0/23 6939 200043 - Withdrawn - aggregated with 109.238.126.0/23 (6939 200043) 109.238.126.0/23 6939 200043 - Withdrawn - aggregated with 109.238.124.0/23 (6939 200043) 185.63.168.0/23 6939 200043 200043 200043 185.98.8.0/22 6939 200043 185.213.4.0/22 6939 200043 185.235.20.0/22 6939 200043 + Announce - aggregate of 185.235.20.0/23 (6939 200043) and 185.235.22.0/23 (6939 200043) 185.235.20.0/24 6939 200043 - Withdrawn - aggregated with 185.235.21.0/24 (6939 200043) 185.235.21.0/24 6939 200043 - Withdrawn - aggregated with 185.235.20.0/24 (6939 200043) 185.235.22.0/24 6939 200043 - Withdrawn - aggregated with 185.235.23.0/24 (6939 200043) 185.235.23.0/24 6939 200043 - Withdrawn - aggregated with 185.235.22.0/24 (6939 200043) 194.50.54.0/24 6939 200043 217.18.92.0/24 6939 200043
Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.
AS200043 10 More Specifics 14 Total Advertisements CESENA-NET-SRL, IT
31.3.168.0/22 31.3.160.0/19
31.3.172.0/22 31.3.160.0/19
31.3.176.0/20 31.3.160.0/19
62.220.80.0/21 62.220.80.0/20
62.220.88.0/21 62.220.80.0/20
109.238.124.0/23 109.238.112.0/20
109.238.126.0/23 109.238.112.0/20
185.24.118.0/23 185.24.116.0/22
185.63.168.0/23 185.63.168.0/22
185.173.212.0/23 185.173.212.0/22
185.173.214.0/23 185.173.212.0/22
Prefixes added and withdrawn by this origin AS in the past 7 days.
- 185.173.214.0/23 Withdrawn
- 194.50.54.0/24 Withdrawn
- 217.18.92.0/24 Withdrawn
whois: 402590
IANA has recorded AS200043 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS200043\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 'AS199178 - AS200350'
as-block: AS199178 - AS200350
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: 2025-11-24T15:16:53Z
last-modified: 2025-11-24T15:16:53Z
source: RIPE
% Information related to 'AS200043'
% Abuse contact for 'AS200043' is 'netabuse@cesena.net'
aut-num: AS200043
as-name: Cesena-net-srl
org: ORG-CNS14-RIPE
remarks: +++++++++++++++++ v4 UPSTREAMS ++++++++++++++++++
import: from AS5602 action pref=90; accept ANY
export: to AS5602 announce AS-CESENANET
import: from AS174 action pref=90; accept ANY
export: to AS174 announce AS-CESENANET
import: from AS15437 accept AS15437
export: to AS15437 announce ANY
import: from AS62290 accept AS-TSNET
export: to AS62290 announce ANY
import: from AS60049 accept AS60049
export: to AS60049 announce ANY
import: from AS12779 action pref=90; accept ANY
export: to AS12779 announce AS-CESENANET
import: from AS6762 action pref=90; accept ANY
export: to AS6762 announce AS-CESENANET
remarks: +++++++++++++++++ v6 UPSTREAMS ++++++++++++++++++
mp-import: afi ipv6.unicast from AS60049 accept AS60049
mp-export: afi ipv6.unicast to AS60049 announce ANY
mp-import: afi ipv6.unicast from AS6762 accept ANY
mp-export: afi ipv6.unicast to AS6762 announce AS-CESENANET
mp-import: afi ipv6.unicast from AS174 accept ANY
mp-export: afi ipv6.unicast to AS174 announce AS-CESENANET
mp-import: afi ipv6.unicast from AS12779 accept ANY
mp-export: afi ipv6.unicast to AS12779 announce AS-CESENANET
mp-import: afi ipv6.unicast from AS62290 accept AS62290
mp-export: afi ipv6.unicast to AS62290 announce ANY
mp-import: afi ipv6.unicast from AS15437 accept AS15437
mp-export: afi ipv6.unicast to AS15437 announce ANY
remarks: +++++++++++++++ MINAP ROUTE SERVERS +++++++++++++
import-via: AS43369 from AS-ANY accept ANY
export-via: AS43369 to AS-ANY announce AS-CESENANET
import-via: afi ipv6.unicast AS43369 from AS-ANY accept ANY
export-via: afi ipv6.unicast AS43369 to AS-ANY announce AS-CESENANET
remarks: +++++++++++++++ MIX ROUTE SERVERS +++++++++++++
import-via: AS61968 from AS-ANY accept ANY
export-via: AS61968 to AS-ANY announce AS-CESENANET
remarks: +++++++++++++++ VSIX ROUTE SERVERS +++++++++++++
import-via: AS35836 from AS-ANY accept ANY
export-via: AS35836 to AS-ANY announce AS-CESENANET
admin-c: PM1394-RIPE
tech-c: PM1394-RIPE
tech-c: AO5845-RIPE
tech-c: ZN556-RIPE
status: ASSIGNED
mnt-by: RIPE-NCC-END-MNT
mnt-by: MNT-CESENANET
created: 2013-10-24T07:34:04Z
last-modified: 2022-05-02T21:03:23Z
source: RIPE # Filtered
organisation: ORG-CNs14-RIPE
org-name: CESENA NET S.R.L.
country: IT
reg-nr: 03361400405
org-type: LIR
address: Via Larga di S.Andrea 700
address: 47522
address: Pievesestina di Cesena (FC)
address: ITALY
phone: +390547313016
fax-no: +390547318462
mnt-ref: MNT-CESENANET
mnt-ref: RIPE-NCC-HM-MNT
mnt-by: RIPE-NCC-HM-MNT
mnt-by: MNT-CESENANET
abuse-c: AC24604-RIPE
created: 2010-01-04T14:35:00Z
last-modified: 2026-05-13T07:21:47Z
source: RIPE # Filtered
%ERROR:201: access denied for 2401:2000:6660:0:0:0:0:13
%
% Queries from your IP address have passed the daily limit of controlled objects.
% Access from your host has been temporarily denied.
% For more information, see
% https://docs.db.ripe.net/FAQ#why-did-i-receive-an-error-201-access-denied
% This query was served by the RIPE Database Query Service version 1.122.1 (DEXTER)