Autonomous System details

AS21056

Vianova S.p.A — welcomeitalia.it

Summary

Country
IT Italy
Organization Vianova S.p.A
Domain welcomeitalia.it
Number of IPv4 97,536
Number of IPv6 1.3469× 1030
AS Type ISP
Registry RIPE NCC
Allocated May 02, 2002 (about 23 years ago)
Updated June 24, 2025 (about 4 months ago)

IP Ranges

AS21056 announces 43 IPv4 ranges and 3 IPv6 ranges.

That's a total of 97,536 IPv4 addresses and 1.3469× 1030 IPv6 addresses.

Prefix Organization Size Registry Status
45.84.140.0/22
IT Vianova S.p.A
1,024 RIPE NCC ALLOCATED PA
45.143.36.0/22
IT Vianova S.p.A
1,024 RIPE NCC ALLOCATED PA
45.151.12.0/22
IT Vianova S.p.A
1,024 RIPE NCC ALLOCATED PA
45.151.64.0/22
IT Vianova S.p.A
1,024 RIPE NCC ALLOCATED PA
46.44.192.0/18
IT Vianova S.p.A
16,384 RIPE NCC SUB-ALLOCATED PA
78.152.96.0/19
IT Vianova S.p.A
8,192 RIPE NCC ALLOCATED PA
79.135.32.0/19
IT Welcome Italia S.P.A.
8,192 RIPE NCC ASSIGNED PA
80.93.128.0/20
IT Welcome Italia S.P.A.
4,096 RIPE NCC ASSIGNED PA
80.93.143.0/24
IT Welcome Italia S.P.A.
256 RIPE NCC ASSIGNED PA
83.137.56.0/21
IT Vianova S.p.A
2,048 RIPE NCC ALLOCATED PA
87.232.160.0/19
IT Vianova S.p.A
8,192 RIPE NCC ALLOCATED PA
87.247.232.0/21
IT Vianova S.p.A
2,048 RIPE NCC ASSIGNED PA
87.247.239.0/24
IT Vianova S.p.A
256 RIPE NCC ASSIGNED PA
91.143.192.0/20
IT Welcome Italia S.P.A.
4,096 RIPE NCC ASSIGNED PA
91.201.104.0/24
IT Proxima Computing SRL
256 RIPE NCC ALLOCATED-ASSIGNED PA
91.242.230.0/24
IT Marco Cacchiani Trading AS Sirius SAS
256 RIPE NCC ALLOCATED PA
94.138.160.0/19
IT Vianova S.p.A
8,192 RIPE NCC ASSIGNED PA
103.26.124.0/22
IT Vianova S.p.A
1,024 RIPE NCC ALLOCATED PA
103.43.232.0/22
IT Vianova S.p.A
1,024 RIPE NCC ALLOCATED PA
103.61.184.0/22
IT Vianova S.p.A
1,024 RIPE NCC ALLOCATED PA
103.248.184.0/22
IT Vianova S.p.A
1,024 RIPE NCC ALLOCATED PA
109.122.208.0/21
IT Vianova S.p.A
2,048 RIPE NCC ALLOCATED PA
144.48.192.0/22
IT Vianova S.p.A
1,024 RIPE NCC ALLOCATED PA
185.97.216.0/24
IT Qboxmail-Email-Hosting-1
256 RIPE NCC ASSIGNED PA
185.97.217.0/24
IT Qboxmail-Email-Hosting-2
256 RIPE NCC ASSIGNED PA
185.97.218.0/24
IT Qboxmail-Email-Hosting-3
256 RIPE NCC ASSIGNED PA
185.97.219.0/24
IT Qboxmail-Email-Delivery-1
256 RIPE NCC ASSIGNED PA
185.125.64.0/22
IT Vianova S.p.A
1,024 RIPE NCC ALLOCATED PA
185.158.116.0/22
IT Vianova S.p.A
1,024 RIPE NCC ALLOCATED PA
185.170.36.0/22
IT Vianova S.p.A
1,024 RIPE NCC ALLOCATED PA
185.170.39.0/24
IT Vianova S.p.A
256 RIPE NCC ALLOCATED PA
185.224.60.0/22
IT Vianova S.p.A
1,024 RIPE NCC ALLOCATED PA
185.224.104.0/22
IT Vianova S.p.A
1,024 RIPE NCC ALLOCATED PA
185.230.92.0/22
IT Vianova S.p.A
1,024 RIPE NCC ALLOCATED PA
185.230.192.0/22
IT Vianova S.p.A
1,024 RIPE NCC ALLOCATED PA
185.230.232.0/22
IT Vianova S.p.A
1,024 RIPE NCC ALLOCATED PA
185.231.160.0/22
IT Vianova S.p.A
1,024 RIPE NCC ALLOCATED PA
185.234.164.0/22
IT Vianova S.p.A
1,024 RIPE NCC ALLOCATED PA
185.241.20.0/22
IT Vianova S.p.A
1,024 RIPE NCC ALLOCATED PA
188.240.32.0/22
IT Vianova S.p.A
1,024 RIPE NCC ALLOCATED PA
193.124.240.0/22
IT Vianova S.p.A
1,024 RIPE NCC ALLOCATED PA
194.58.216.0/22
IT Vianova S.p.A
1,024 RIPE NCC ALLOCATED PA
213.182.64.0/19
IT Donau Carbon Technologies SRL
8,192 RIPE NCC ASSIGNED PA
Prefix Organization Size Registry Status
2a00:14f8::/32
IT Vianova S.p.A
7.9228× 1028 RIPE NCC ALLOCATED-BY-RIR
2a0a:9b00::/29
IT Vianova S.p.A
6.3383× 1029 RIPE NCC ALLOCATED-BY-RIR
2a0a:ae00::/29
IT Vianova S.p.A
6.3383× 1029 RIPE NCC ALLOCATED-BY-RIR

Peers

AS21056 actively fosters the following peering relationships that enhance network performance through direct, settlement-free traffic exchange. Even with a modest number of peers, each connection serves as a strategic asset—optimizing routing, reducing latency, and minimizing transit costs.

AS293 AS553 AS559 AS1031 AS1103 AS1140 AS1267 AS1764 AS1828 AS1836 AS2027 AS2613 AS3170 AS3214 AS3216 AS3333 AS3741 AS4230 AS4455 AS5392 AS5405 AS5713 AS6057 AS6233 AS6424 AS6461 AS6777 AS6939 AS7195 AS7713 AS8218 AS8283 AS8298 AS8426 AS8529 AS8660 AS8758 AS9044 AS9304 AS12552 AS12637 AS12779 AS12859 AS12969 AS13237 AS14537 AS14630 AS14907 AS15547 AS15576 AS15605 AS16347 AS16552 AS17639 AS18106 AS20562 AS20764 AS20811 AS20912 AS20932 AS21412 AS22356 AS24482 AS24961 AS25091 AS25160 AS25220 AS25369 AS28792 AS28917 AS29075 AS29140 AS30844 AS31510 AS31742 AS32590 AS33891 AS34019 AS34177 AS34288 AS34549 AS34927 AS35266 AS35280 AS35360 AS35426 AS35598 AS35600 AS37100 AS37468 AS37497 AS37662 AS37721 AS38880 AS39120 AS39122 AS39351 AS41327 AS41811 AS42473 AS42541 AS45352 AS47147 AS47692 AS47957 AS48070 AS48185 AS48362 AS48919 AS49434 AS49544 AS49605 AS49709 AS50300 AS50304 AS50628 AS50629 AS50673 AS50763 AS50877 AS51088 AS51184 AS51185 AS51873 AS52075 AS52320 AS56987 AS57111 AS57695 AS57777 AS58057 AS58299 AS58308 AS58511 AS59919 AS61568 AS63927 AS64475 AS132337 AS137409 AS198385 AS199524 AS199938 AS202032 AS205112 AS206356 AS207841 AS210937 AS212483 AS213151 AS213241 AS263152 AS271253 AS398465

Upstreams

AS21056 connects to the global Internet via at least 4 upstream providers. In this setup, AS21056 acts as a customer, subscribing to these transit services to obtain full BGP routing information and ensure reliable, redundant access to external networks.

AS1299 AS3257 AS3356 AS6762

Downstreams

AS21056 serves as a transit provider the following ASes, delivering the BGP routes needed for global connectivity. This downstream relationship underscores AS21056's role in extending Internet access beyond its own infrastructure.

AS47242 AS198320 AS208775 AS210224

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