47242 HOST-SPA, IT
Adjacency: 10 Upstream: 6 Downstream: 4
Upstream Adjacent AS list
AS3303 SWISSCOM Swisscom Switzerland Ltd, CH
AS42425 ASN-AVANZATI, IT
AS21056 ASN-WELCOMEITALIA, IT
AS9002 RETN-AS, GB
AS6939 HURRICANE, US
AS174 COGENT-174, US
Downstream Adjacent AS list
AS42425 ASN-AVANZATI, IT
AS199125 ALLIANCERESEAUX-AS, FR
AS207799 BOTANY, IT
AS43625 WI-FI-SYSTEM-AS, IT
Rank AS Type Originate Addr Space (pfx) Transit Addr space (pfx) Description 10386 AS47242 ORG+TRN Originate: 9984 /18.71 Transit: 1024 /22.00 HOST-SPA, 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 % 4153 AS47242 HOST-SPA, IT 39 22 9 26 13 33.33% Prefix AS Path Aggregation Suggestion 81.31.144.0/24 6939 47242 81.31.145.0/24 3303 47242 81.31.146.0/23 6939 47242 + Announce - aggregate of 81.31.146.0/24 (6939 47242) and 81.31.147.0/24 (6939 47242) 81.31.146.0/24 6939 47242 - Withdrawn - aggregated with 81.31.147.0/24 (6939 47242) 81.31.147.0/24 6939 47242 - Withdrawn - aggregated with 81.31.146.0/24 (6939 47242) 81.31.148.0/23 6939 47242 + Announce - aggregate of 81.31.148.0/24 (6939 47242) and 81.31.149.0/24 (6939 47242) 81.31.148.0/24 6939 47242 - Withdrawn - aggregated with 81.31.149.0/24 (6939 47242) 81.31.149.0/24 6939 47242 - Withdrawn - aggregated with 81.31.148.0/24 (6939 47242) 81.31.150.0/24 3303 47242 81.31.151.0/24 6939 47242 81.31.152.0/23 3303 47242 + Announce - aggregate of 81.31.152.0/24 (3303 47242) and 81.31.153.0/24 (3303 47242) 81.31.152.0/24 3303 47242 - Withdrawn - aggregated with 81.31.153.0/24 (3303 47242) 81.31.153.0/24 3303 47242 - Withdrawn - aggregated with 81.31.152.0/24 (3303 47242) 81.31.154.0/23 6939 47242 + Announce - aggregate of 81.31.154.0/24 (6939 47242) and 81.31.155.0/24 (6939 47242) 81.31.154.0/24 6939 47242 - Withdrawn - aggregated with 81.31.155.0/24 (6939 47242) 81.31.155.0/24 6939 47242 - Withdrawn - aggregated with 81.31.154.0/24 (6939 47242) 81.31.156.0/24 6939 47242 81.31.157.0/24 3303 47242 81.31.158.0/24 6939 47242 81.31.159.0/24 3303 47242 82.119.36.0/24 6939 47242 83.220.28.0/23 6939 47242 + Announce - aggregate of 83.220.28.0/24 (6939 47242) and 83.220.29.0/24 (6939 47242) 83.220.28.0/24 6939 47242 - Withdrawn - aggregated with 83.220.29.0/24 (6939 47242) 83.220.29.0/24 6939 47242 - Withdrawn - aggregated with 83.220.28.0/24 (6939 47242) 149.62.184.0/24 3303 47242 149.62.185.0/24 6939 47242 149.62.186.0/23 6939 47242 + Announce - aggregate of 149.62.186.0/24 (6939 47242) and 149.62.187.0/24 (6939 47242) 149.62.186.0/24 6939 47242 - Withdrawn - aggregated with 149.62.187.0/24 (6939 47242) 149.62.187.0/24 6939 47242 - Withdrawn - aggregated with 149.62.186.0/24 (6939 47242) 149.62.188.0/22 6939 47242 + Announce - aggregate of 149.62.188.0/23 (6939 47242) and 149.62.190.0/23 (6939 47242) 149.62.188.0/24 6939 47242 - Withdrawn - aggregated with 149.62.189.0/24 (6939 47242) 149.62.189.0/24 6939 47242 - Withdrawn - aggregated with 149.62.188.0/24 (6939 47242) 149.62.190.0/24 6939 47242 - Withdrawn - aggregated with 149.62.191.0/24 (6939 47242) 149.62.191.0/24 6939 47242 - Withdrawn - aggregated with 149.62.190.0/24 (6939 47242) 185.59.155.0/24 6939 47242 185.73.136.0/22 6939 47242 + Announce - aggregate of 185.73.136.0/23 (6939 47242) and 185.73.138.0/23 (6939 47242) 185.73.136.0/24 6939 47242 - Withdrawn - aggregated with 185.73.137.0/24 (6939 47242) 185.73.137.0/24 6939 47242 - Withdrawn - aggregated with 185.73.136.0/24 (6939 47242) 185.73.138.0/24 6939 47242 - Withdrawn - aggregated with 185.73.139.0/24 (6939 47242) 185.73.139.0/24 6939 47242 - Withdrawn - aggregated with 185.73.138.0/24 (6939 47242) 185.84.96.0/23 3303 47242 + Announce - aggregate of 185.84.96.0/24 (3303 47242) and 185.84.97.0/24 (3303 47242) 185.84.96.0/24 3303 47242 - Withdrawn - aggregated with 185.84.97.0/24 (3303 47242) 185.84.97.0/24 3303 47242 - Withdrawn - aggregated with 185.84.96.0/24 (3303 47242) 185.84.98.0/24 6939 47242 185.84.99.0/24 3303 47242 185.201.64.0/24 3303 47242 185.201.65.0/24 6939 47242 185.201.66.0/24 6939 47242
Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.
AS47242 3 More Specifics 7 Total Advertisements COLTENGINE COLTENGINE Network, IT
81.31.157.0/24 81.31.144.0/20
185.84.96.0/24 185.84.96.0/22
185.84.97.0/24 185.84.96.0/22
185.73.138.0/24 185.73.136.0/22
185.84.98.0/24 185.84.96.0/22
185.201.64.0/24 185.201.64.0/22
185.201.65.0/24 185.201.64.0/22
185.201.66.0/24 185.201.64.0/22
Prefixes added and withdrawn by this origin AS in the past 7 days.
+ 81.31.157.0/24 Announced
+ 185.201.64.0/22 Announced
- 185.73.138.0/24 Withdrawn
- 185.84.98.0/24 Withdrawn
- 185.201.64.0/24 Withdrawn
- 185.201.65.0/24 Withdrawn
- 185.201.66.0/24 Withdrawn
whois: 402590
IANA has recorded AS47242 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS47242\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 'AS47193 - AS47271'
as-block: AS47193 - AS47271
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: 2025-10-23T14:06:40Z
last-modified: 2025-10-23T14:06:40Z
source: RIPE
% Information related to 'AS47242'
% Abuse contact for 'AS47242' is 'ripe@host.it'
aut-num: AS47242
as-name: HOST-SPA
org: ORG-CES3-RIPE
import: from AS3257 accept any
import: from AS21056 accept any
export: to AS3257 announce AS47242:AS-CUSTOMERS
export: to AS21056 announce AS47242:AS-CUSTOMERS
import: from AS41364 accept AS47242
export: to AS41364 announce AS47242
import: from AS3257 accept any
export: to AS3257 announce AS47242:AS-CUSTOMERS
import: from AS42425 accept AS42425:AS-CUSTOMERS
export: to AS42425 announce any
admin-c: MM3836-RIPE
tech-c: MM3836-RIPE
status: ASSIGNED
mnt-by: RIPE-NCC-END-MNT
mnt-by: COLTENGINE-MNT
created: 2008-05-22T14:08:17Z
last-modified: 2024-10-03T12:18:43Z
source: RIPE
organisation: ORG-CES3-RIPE
org-name: Host SpA
country: IT
reg-nr: 08505460017
org-type: LIR
address: Corso Svizzera 185
address: 10149
address: Torino
address: ITALY
phone: +390110628700
abuse-c: AR15743-RIPE
mnt-ref: coltengine-mnt
mnt-ref: RIPE-NCC-HM-MNT
mnt-by: RIPE-NCC-HM-MNT
mnt-by: coltengine-mnt
admin-c: MM3836-RIPE
created: 2006-04-04T14:34:43Z
last-modified: 2026-05-13T07:22:51Z
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 (SHETLAND)