21056 ASN-WELCOMEITALIA, IT
Adjacency: 5 Upstream: 3 Downstream: 2
Upstream Adjacent AS list
AS6461 ZAYO-6461 - Zayo Bandwidth, US
AS1299 TWELVE99 Arelion, fka Telia Carrier, SE
AS6762 SEABONE-NET TELECOM ITALIA SPARKLE S.p.A., IT
Downstream Adjacent AS list
AS198320 TELNETSYSTEMS, IT
AS208775 COMACSPA, IT
Rank AS Type Originate Addr Space (pfx) Transit Addr space (pfx) Description 2522 AS21056 ORG+TRN Originate: 89088 /15.56 Transit: 512 /23.00 ASN-WELCOMEITALIA, 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 % 8572 AS21056 ASN-WELCOMEITALIA, IT 41 6 1 36 5 12.20% Prefix AS Path Aggregation Suggestion 45.84.140.0/22 4777 2497 1299 21056 45.143.36.0/22 4777 2497 1299 21056 45.151.12.0/22 4777 2497 1299 21056 45.151.64.0/22 4777 2516 6762 21056 46.44.192.0/18 4777 2497 1299 21056 78.152.96.0/19 4777 2497 1299 21056 79.135.32.0/19 4777 2497 1299 21056 80.93.128.0/20 4777 2497 1299 21056 83.137.56.0/21 4777 2516 6762 21056 87.247.232.0/21 4777 2516 6762 21056 87.247.239.0/24 4777 2516 6762 21056 - Withdrawn - matching aggregate 87.247.232.0/21 4777 2516 6762 21056 91.143.192.0/20 4777 2497 1299 21056 91.201.104.0/24 4777 2516 6762 21056 91.242.230.0/24 4777 2516 6762 21056 94.138.160.0/19 4777 2516 6762 21056 103.26.124.0/22 4777 2516 6762 21056 103.43.232.0/22 4777 2516 6762 21056 103.61.184.0/22 4777 2497 1299 21056 103.248.184.0/22 4777 2497 1299 21056 109.122.208.0/21 4777 2497 1299 21056 144.48.192.0/22 4777 2497 1299 21056 185.97.216.0/22 4777 2497 1299 21056 + Announce - aggregate of 185.97.216.0/23 (4777 2497 1299 21056) and 185.97.218.0/23 (4777 2497 1299 21056) 185.97.216.0/24 4777 2497 1299 21056 - Withdrawn - aggregated with 185.97.217.0/24 (4777 2497 1299 21056) 185.97.217.0/24 4777 2497 1299 21056 - Withdrawn - aggregated with 185.97.216.0/24 (4777 2497 1299 21056) 185.97.218.0/24 4777 2497 1299 21056 - Withdrawn - aggregated with 185.97.219.0/24 (4777 2497 1299 21056) 185.97.219.0/24 4777 2497 1299 21056 - Withdrawn - aggregated with 185.97.218.0/24 (4777 2497 1299 21056) 185.125.64.0/22 4777 2497 1299 21056 185.158.116.0/22 4777 2516 6762 21056 185.170.36.0/22 4777 2516 6762 21056 185.170.39.0/24 4777 2516 6762 21056 - Withdrawn - matching aggregate 185.170.36.0/22 4777 2516 6762 21056 185.224.60.0/22 4777 2516 6762 21056 185.224.104.0/22 4777 2516 6762 21056 185.230.92.0/22 4777 2516 6762 21056 185.230.192.0/22 4777 2516 6762 21056 185.230.232.0/22 4777 2516 6762 21056 185.231.160.0/22 4777 2516 6762 21056 185.234.164.0/22 4777 2516 6762 21056 185.241.20.0/22 4777 2497 1299 21056 188.240.32.0/22 4777 2497 1299 21056 193.124.240.0/22 4777 2516 6762 21056 194.58.216.0/22 4777 2516 6762 21056 213.182.64.0/19 4777 2516 6762 21056
Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.
AS21056 6 More Specifics 41 Total Advertisements ASN-WELCOMEITALIA, IT
87.247.239.0/24 87.247.232.0/21
185.97.216.0/24 185.97.216.0/22
185.97.217.0/24 185.97.216.0/22
185.97.218.0/24 185.97.216.0/22
185.97.219.0/24 185.97.216.0/22
185.170.39.0/24 185.170.36.0/22
whois: 402332
IANA has recorded AS21056 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS21056\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 'AS21004 - AS21151'
as-block: AS21004 - AS21151
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: 2018-11-22T15:27:27Z
last-modified: 2018-11-22T15:27:27Z
source: RIPE
% Information related to 'AS21056'
% Abuse contact for 'AS21056' is 'ipnoc@welcomeitalia.it'
aut-num: AS21056
as-name: ASN-WELCOMEITALIA
org: ORG-WIS2-RIPE
remarks: ==============================================================================================================================
remarks: Peering informations:
remarks: ==============================================================================================================================
remarks: Operational issues:ipnoc [at] welcomeitalia [dot] it
remarks: Spam and abuse issues:ipnoc [at] welcomeitalia [dot] it
remarks: IPv4 network: Welcome Italia filters out inbound prefixes longer than /24
remarks: IPv6 network: Welcome Italia filters out inbound prefixes longer than /48
remarks:
remarks: Peering requests peering [at] welcomeitalia [dot] it
remarks: Others information http://as21056.peeringdb.com/
remarks:
remarks: ==============================================================================================================================
remarks: ==============================================================================================================================
remarks: IPv4 Transit:
remarks: ==============================================================================================================================
remarks:
mp-import: afi ipv4.unicast from AS1299 213.248.92.197 at 213.248.92.198 action community.append(21056:1299); pref=100; accept ANY AND NOT fltr-martian;
mp-export: afi ipv4.unicast to AS1299 announce NOT community.contains(21056:65170); refine { to AS1299 announce AS-WELCOMEITALIA; }
remarks:
mp-import: afi ipv4.unicast from AS3356 212.133.7.49 at 212.133.7.50 action community.append(21056:3356); pref=100; accept ANY AND NOT fltr-martian;
mp-export: afi ipv4.unicast to AS3356 announce NOT community.contains(21056:65180); refine { to AS3356 announce AS-WELCOMEITALIA; }
remarks:
remarks:
mp-import: afi ipv4.unicast from AS6762 195.22.208.209 at 195.22.208.210 action community.append(21056:6762); pref=100; accept ANY AND NOT fltr-martian;
mp-export: afi ipv4.unicast to AS6762 announce NOT community.contains(21056:62110); refine { to AS6762 announce AS-WELCOMEITALIA; }
remarks:
mp-import: afi ipv4.unicast from AS3257 46.33.85.185 at 46.33.85.186 action community.append(21056:3257); pref=100; accept ANY AND NOT fltr-martian;
mp-export: afi ipv4.unicast to AS3257 announce NOT community.contains(21056:62160); refine { to AS3257 announce AS-WELCOMEITALIA; }
mp-default: to AS3356
remarks:
remarks: ==============================================================================================================================
remarks: IPv6 Transit:
remarks: ==============================================================================================================================
mp-import: afi ipv6.unicast from AS174 2001:978:2:11::11 at 2001:978:2:11::12 action community.append(21056:174); pref=100; accept ANY AND NOT fltr-martian;
mp-export: afi ipv6.unicast to AS174 announce NOT community.contains(21056:65120); refine { to AS174 announce AS-WELCOMEITALIA; }
remarks:
mp-import: afi ipv6.unicast from AS1299 2001:2000:3080:24E::1 at 2001:2000:3080:24E::2 action community.append(21056:1299); pref=100; accept ANY AND NOT fltr-martian;
mp-export: afi ipv6.unicast to AS1299 announce NOT community.contains(21056:65170); refine { to AS1299 announce AS-WELCOMEITALIA; }
remarks:
mp-import: afi ipv6.unicast from AS6939 2001:470:15:105::1 at 2001:470:15:105::2 action community.append(21056:6939); pref=100; accept ANY AND NOT fltr-martian;
mp-export: afi ipv6.unicast to AS6939 announce AS-WELCOMEITALIA;
remarks:
mp-import: afi ipv6.unicast from AS3356 2001:1900:5:2:2::415D at 2001:1900:5:2:2::415E action community.append(21056:3356); pref=100; accept ANY AND NOT fltr-martian;
mp-export: afi ipv6.unicast to AS3356 announce AS-WELCOMEITALIA;
remarks:
mp-import: afi ipv6.unicast from AS6762 2001:41A8:20:2::155 at 2001:41A8:20:2::156 action community.append(21056:6762); pref=100; accept ANY AND NOT fltr-martian;
mp-export: afi ipv6.unicast to AS6762 announce AS-WELCOMEITALIA;
remarks:
mp-import: afi ipv6.unicast from AS3257 2001:668:0:3:FFFF:1:0:119 at 2001:668:0:3:FFFF:1:0:11A action community.append(21056:3257); pref=100; accept ANY AND NOT fltr-martian;
mp-export: afi ipv6.unicast to AS3257 announce AS-WELCOMEITALIA;
mp-default: to AS3356
remarks:
remarks: ==============================================================================================================================
remarks: Italian Exchange Point IPv4:
remarks: ==============================================================================================================================
remarks: ==============================================================================================================================
remarks: IXP Speed and IP address by Town
remarks: ==============================================================================================================================
remarks: MIX -- 60 Gbps -- 217.29.66.43 -- Milan (IT)
remarks: NAMEX -- 50 Gbps -- 193.201.28.41 -- Rome (IT)
remarks: TIX -- 1 Gbps -- 193.42.140.23 -- Florence (IT)
remarks: VSIX -- 1 Gbps -- 95.140.128.70 -- Padova (IT)
remarks:
mp-import: afi ipv4.unicast from AS21056:PRNG-TIX action community.append(21056:65030); pref=80; accept ANY AND NOT fltr-martian;
mp-export: afi ipv4.unicast to AS21056:PRNG-TIX announce NOT community.contains(21056:65210); refine { to AS21056:PRNG-TIX announce AS-WELCOMEITALIA; }
remarks:
mp-import: afi ipv4.unicast from AS21056:PRNG-MIX action community.append(21056:65020); pref=80; accept NOT fltr-martian; refine { from AS65004 action community.append(21056:65025); accept ANY; }
mp-export: afi ipv4.unicast to AS21056:PRNG-MIX announce NOT community.contains(21056:65200); refine { to AS21056:PRNG-MIX announce AS-WELCOMEITALIA; }
remarks:
mp-import: afi ipv4.unicast from AS21056:PRNG-NAMEX action community.append(21056:65040); pref=80; accept NOT fltr-martian; refine { from AS196959 action community.append(21056:65045); accept ANY; }
mp-export: afi ipv4.unicast to AS21056:PRNG-NAMEX announce NOT community.contains(21056:65220); refine { to AS21056:PRNG-NAMEX announce AS-WELCOMEITALIA; }
remarks:
mp-import: afi ipv4.unicast from AS21056:PRNG-VSIX action community.append(21056:65050); pref=80; accept ANY AND NOT fltr-martian;
mp-export: afi ipv4.unicast to AS21056:PRNG-VSIX announce NOT community.contains(21056:65230); refine { to AS21056:PRNG-VSIX announce AS-WELCOMEITALIA; }
remarks:
remarks: ==============================================================================================================================
remarks: European Exchange Point IPv4:
remarks: ==============================================================================================================================
remarks: ==============================================================================================================================
remarks: IXP Speed and IP address by Town
remarks: ==============================================================================================================================
remarks: DE-CIX -- 20 Gbps -- 80.81.196.141 -- Frankfurt (DE)
remarks: DE-CIX -- 10 Gbps -- 185.1.47.117 -- Marseille (FR)
remarks: AMS-IX -- 10 Gbps -- 80.249.214.79 -- Amsterdam (ND)
remarks: LINX -- 10 Gbps -- 195.66.231.180 -- London (UK)
remarks: FRANCE-IX -- 10 Gbps -- 37.49.238.160 -- Paris (FR)
remarks:
mp-import: afi ipv4.unicast from AS21056:PRNG-DECIX action community.append(21056:65060); pref=80; accept ANY AND NOT fltr-martian;
mp-export: afi ipv4.unicast to AS21056:PRNG-DECIX announce NOT community.contains(21056:65240); refine { to AS21056:PRNG-DECIX announce AS-WELCOMEITALIA; }
remarks:
mp-import: afi ipv4.unicast from AS21056:PRNG-AMSIX action community.append(21056:65070); pref=80; accept ANY AND NOT fltr-martian;
mp-export: afi ipv4.unicast to AS21056:PRNG-AMSIX announce NOT community.contains(21056:65250); refine { to AS21056:PRNG-AMSIX announce AS-WELCOMEITALIA; }
remarks:
mp-import: afi ipv4.unicast from AS21056:PRNG-LINX action community.append(21056:65080); pref=80; accept ANY AND NOT fltr-martian;
mp-export: afi ipv4.unicast to AS21056:PRNG-LINX announce NOT community.contains(21056:65260); refine { to AS21056:PRNG-LINX announce AS-WELCOMEITALIA; }
remarks:
mp-import: afi ipv4.unicast from AS21056:PRNG-FRANCE-IX action community.append(21056:65090); pref=80; accept ANY AND NOT fltr-martian;
mp-export: afi ipv4.unicast to AS21056:PRNG-FRANCE-IX announce NOT community.contains(21056:65270); refine { to AS21056:PRNG-FRANCE-IX announce AS-WELCOMEITALIA; }
remarks:
mp-import: afi ipv4.unicast from AS21056:PRNG-DECIX-MARS action community.append(21056:65066); pref=80; accept ANY AND NOT fltr-martian;
mp-export: afi ipv4.unicast to AS21056:PRNG-DECIX-MARS announce NOT community.contains(21056:65067); refine { to AS21056:PRNG-DECIX-MARS announce AS-WELCOMEITALIA; }
remarks:
remarks: ==============================================================================================================================
remarks: Private Network Interconnect
remarks: ==============================================================================================================================
remarks: Google AS15169 -- 100 Gbps -- Milan (IT)
remarks:
mp-import: afi ipv4.unicast from AS21056:PRNG-GOOGLE action community.append(21056:65100); pref=600; accept ANY AND NOT fltr-martian;
mp-export: afi ipv4.unicast to AS21056:PRNG-PRNG-GOOGLE announce NOT community.contains(21056:65280); refine { to AS21056:PRNG-GOOGLE announce AS-WELCOMEITALIA; }
remarks:
remarks: ==============================================================================================================================
remarks: Customers IPv4:
remarks: ==============================================================================================================================
remarks:
mp-import: afi ipv4.unicast from AS43923 185.1.115.2 at 185.1.115.1 action community.append(21056:65000); pref=50; accept AS43923
mp-import: afi ipv4.unicast from AS43923 185.1.115.6 at 185.1.115.5 action community.append(21056:65000); pref=50; accept AS43923
mp-export: afi ipv4.unicast to AS43923 announce ANY
remarks:
mp-import: afi ipv4.unicast from AS198320 130.255.114.255 at 80.93.131.17 action community.append(21056:65000); pref=50; accept AS198320
mp-export: afi ipv4.unicast to AS198320 announce ANY
remarks:
mp-import: afi ipv4.unicast from AS47242 80.93.131.229 at 80.93.131.230 action community.append(21056:65000); pref=50; accept AS47242
mp-import: afi ipv4.unicast from AS47242 80.93.131.238 at 80.93.131.237 action community.append(21056:65000); pref=50; accept AS47242
mp-export: afi ipv4.unicast to AS47242 announce ANY
remarks:
mp-import: afi ipv4.unicast from AS210224 80.93.131.46 at 80.93.131.45 action community.append(21056:65000); pref=50; accept AS210224
mp-export: afi ipv4.unicast to AS210224 announce ANY
remarks:
mp-import: afi ipv4.unicast from AS200480 185.1.115.50 at 185.1.115.49 action community.append(21056:65000); pref=50; accept AS200480
mp-export: afi ipv4.unicast to AS200480 announce ANY
remarks:
mp-import: afi ipv4.unicast from AS212394 91.143.198.98 at 91.143.198.97 action community.append(21056:65000); pref=50; accept AS212394
mp-export: afi ipv4.unicast to AS212394 announce ANY
remarks:
remarks: ==============================================================================================================================
remarks: Customers IPv6:
remarks: ==============================================================================================================================
remarks:
remarks:
remarks: ==============================================================================================================================
remarks: Communities used to tag inbound routes
remarks: ==============================================================================================================================
remarks:
remarks: 21056:65000 Routes received from Customers
remarks: 21056:65020 Routes received from peers at MIX IXP
remarks: 21056:65025 Routes received from peers at MIX IXP RS
remarks: 21056:65030 Routes received from peers at TIX IXP
remarks: 21056:65040 Routes received from peers at NAMEX IXP
remarks: 21056:65045 Routes received from peers at NAMEX IXP RS
remarks: 21056:65050 Routes received from peers at VSIX IXP
remarks: 21056:65055 Routes received from peers at VSIX IXP RS
remarks: 21056:65060 Routes received from peers at DECIX IXP
remarks: 21056:65065 Routes received from peers at DECIX IXP RS
remarks: 21056:65070 Routes received from peers at AMSIX IXP
remarks: 21056:65075 Routes received from peers at AMSIX IXP RS
remarks: 21056:65066 Routes received from peers at DECIX-MARSEILLE IXP
remarks: 21056:65067 Routes received from peers at DECIX-MARSEILLE RS
remarks: 21056:65080 Routes received from peers at LINX IXP
remarks: 21056:65085 Routes received from peers at LINX IXP RS
remarks: 21056:65090 Routes received from peers at FRANCE-IX IXP
remarks: 21056:65095 Routes received from peers at FRANCE-IX IXP RS
remarks: 21056:65100 Routes received from Google PNI (AS15169)
remarks: 21056:3356 Routes received from Level3 (AS3356)
remarks: 21056:1299 Routes received from Telia Sonera (AS1299)
remarks: 21056:6939 Routes received from Hurricane Electric (AS6939)
remarks: 21056:12874 Routes received from Fastweb (AS12874)
remarks: 21056:3269 Routes received from Telecom Italia (AS3269)
remarks: 21056:6762 Routes received from Sparkle (AS6762)
remarks: 21056:3257 Routes received from GTT (AS3257)
remarks:
remarks: ==============================================================================================================================
remarks: Communities used to control routing announcements
remarks: ==============================================================================================================================
remarks: 21056:6511x When advertising to Sparkle (AS6762)
remarks: 21056:6513x When advertising to Telecom Italia (AS3269)
remarks: 21056:6516x When advertising to GTT (AS3257)
remarks: 21056:6517x When advertising to Telia Sonera (AS1299)
remarks: 21056:6518x When advertising to Level3 (AS3356)
remarks: 21056:6519x When advertising to Fastweb (AS12874)
remarks: 21056:6520x When advertising to MIX members
remarks: 21056:6521x When advertising to TIX members
remarks: 21056:6522x When advertising to NAMEX members
remarks: 21056:6523x When advertising to VSIX members
remarks: 21056:6524x When advertising to DECIX members
remarks: 21056:6525x When advertising to AMSIX members
remarks: 21056:6526x When advertising to LINX members
remarks: 21056:6527x When advertising to FRANCE-IX members
remarks: 21056:6528x When advertising to Google PNI
remarks:
remarks: ...x=0 - do not announce
remarks: ...x=1,2,3,4 - prepend 1,2,3,4 times
remarks: ...x=9 - set community no-export
remarks: 21056:65310 Do not announce to upstreams
remarks: 21056:65320 Do not announce to peers at any IXP
remarks: 21056:666 Black Hole Community
admin-c: AB18571-RIPE
tech-c: WIIN1-RIPE
status: ASSIGNED
mnt-by: RIPE-NCC-END-MNT
mnt-by: WELCOME-ITALIA-MNT
created: 2002-05-02T15:36:10Z
last-modified: 2025-12-22T13:39:46Z
source: RIPE
organisation: ORG-WIS2-RIPE
org-name: Vianova S.p.A
country: IT
org-type: LIR
address: Via Provinciale di Montramito 431/a
address: 55040
address: Massarosa (LU)
address: ITALY
phone: +39 0584 42441
fax-no: +39 0584 4244201
admin-c: AC17299-RIPE
admin-c: AB18571-RIPE
admin-c: GE2407-RIPE
admin-c: NG168-RIPE
admin-c: MP19685-RIPE
abuse-c: WIIN1-RIPE
mnt-ref: RIPE-NCC-HM-MNT
mnt-ref: WELCOME-ITALIA-MNT
mnt-by: RIPE-NCC-HM-MNT
mnt-by: WELCOME-ITALIA-MNT
created: 2004-04-17T11:35:14Z
last-modified: 2021-05-30T06:20:08Z
source: RIPE # Filtered
role: Welcome Italia IP NOC
org: ORG-WIS2-RIPE
address: Via di Montramito, 431/A
address: Italy
phone: +39 058442441
fax-no: +39 05844244201
remarks: ===============================================================
remarks: Operational issues: ipnoc [at] welcomeitalia [dot] it
remarks: Spam and abuse issues: ipnoc [at] welcomeitalia [dot] it
remarks: ===============================================================
admin-c: AB18571-RIPE
tech-c: AB18571-RIPE
tech-c: MP19685-RIPE
tech-c: AC17299-RIPE
tech-c: GE2407-RIPE
nic-hdl: WIIN1-RIPE
mnt-by: WELCOME-ITALIA-MNT
created: 2009-10-02T13:26:44Z
last-modified: 2019-05-16T07:42:45Z
source: RIPE # Filtered
abuse-mailbox: ipnoc@welcomeitalia.it
%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 1.121.2 (ABERDEEN)