AS21056Vianova S.p.A
ItalyRegistryRIPE NCCAt a glance
IPv4 prefixes
IPv6 prefixes
IPv4 addresses
IPv6 /64s
Upstream graph
The networks AS21056 is seen behind, one and two hops out, drawn from real AS paths.
Networks observed one and two hops upstream of AS21056 in real AS paths. A thicker line means more vantage points saw that adjacency, so weight tracks how well attested it is — not how much traffic it carries. Adjacency is an observation; whether it is a transit purchase or a settlement-free peering is an inference, and is labelled as one wherever we show it.
Neighbouring networks
257
adjacent networks
- Upstreams
- 4317%
- Peers
- 21082%
- Downstreams
- 42%
Networks carrying this one's traffic toward the rest of the internet. Listing the 40 seen on the most AS paths, of 43.
| Network | Country | Relationship | Paths | Vantage pts |
|---|---|---|---|---|
| AS6762Telecom Italia Sparkle (Seabone) | IT | Peer | 866 | 83 |
| AS1299Arelion (fka. Telia Carrier) |  SE | Peer | 471 | 45 |
| AS3356Lumen (Level 3) |  US | Peer | 444 | 28 |
| AS38880Micron21 Datacentre Pty Ltd |  AU | Peer | 168 | 2 |
| AS7713PT Telkom Indonesia Tbk |  ID | Peer | 168 | 2 |
| AS18106Viewqwest Pte Ltd |  SG | Peer | 138 | 2 |
| AS32590Valve Corporation | US | Peer | 128 | 3 |
| AS6939Hurricane Electric LLC | US | Peer | 112 | 12 |
| AS8298IPng Networks GmbH |  CH | Peer | 87 | 2 |
| AS58511Swoop (Anycast Global Backbone) | AU | Peer | 85 | 2 |
Prefixes
All 43The largest blocks AS21056 originates, widest first.
| Prefix | Addresses | Visibility |
|---|---|---|
| 46.44.192.0/18 | 16.4k | 80/80 |
| 78.152.96.0/19 | 8.2k | 80/80 |
| 79.135.32.0/19 | 8.2k | 80/80 |
| 94.138.160.0/19 | 8.2k | 80/80 |
| 213.182.64.0/19 | 8.2k | 80/80 |
| 80.93.128.0/20 | 4.1k | 80/80 |
| 91.143.192.0/20 | 4.1k | 80/80 |
| 79.108.136.0/21 | 2k | 80/80 |
| 83.137.56.0/21 | 2k | 80/80 |
| 87.247.232.0/21 | 2k | 80/80 |
Routing data derived from RouteViews MRT archives, BGPKIT relationship inference and public registry data.