AS21056 Vianova S.p.A 🇮🇹 IT
Announcing 43 prefixes, seen at the RIS collectors.
IPv4 prefixes
42
91,136 (356 × /24)
IPv6 prefixes
1
1 × /32
Upstreams
7
transit providers observed
Peers
23
settlement-free adjacencies
Downstreams
4
transit customers observed
Customer cone
12
ASes reachable through it
Registry and operator data
- AS number
- AS21056
- Name
- Vianova S.p.A
- Organisation
- Vianova
- Country
- 🇮🇹 IT
- RIR
- RIPENCC
- Allocated
- 2001-08-08
- Network type
- Cable/DSL/ISP
- Traffic levels
- 100-200Gbps
- Scope
- Europe
- Peering policy
- Open
- IRR as-set
- AS-WELCOMEITALIA
- Website
- http://www.vianova.it
- PeeringDB
- net/2533
- Exchanges
- 9
- Facilities
- 5
RPKI coverage of this AS
Its own announcements, validated against the current ROA set
Announced prefixes
43 in total
| Prefix | RPKI | Peers | Sample path | First seen |
|---|---|---|---|---|
| 45.84.140.0/22 v4 | RPKI valid | 44 | 3454921056 | 2026-09-18 |
| 45.143.36.0/22 v4 | RPKI valid | 44 | 3454921056 | 2026-09-18 |
| 45.151.12.0/22 v4 | RPKI valid | 44 | 3454921056 | 2026-09-18 |
| 45.151.64.0/22 v4 | RPKI valid | 44 | 3454921056 | 2026-09-18 |
| 46.44.192.0/18 v4 | RPKI valid | 44 | 3454921056 | 2026-09-18 |
| 78.152.96.0/19 v4 | RPKI valid | 44 | 3454921056 | 2026-09-18 |
| 79.108.136.0/21 v4 | RPKI valid | 44 | 3454921056 | 2026-09-18 |
| 79.135.32.0/19 v4 | RPKI valid | 44 | 3454921056 | 2026-09-18 |
| 80.93.128.0/20 v4 | RPKI valid | 44 | 3454921056 | 2026-09-18 |
| 80.93.143.0/24 v4 | RPKI valid | 1 | 204092207662916935280896621056 | 2026-09-18 |
| 83.137.56.0/21 v4 | RPKI valid | 44 | 3454921056 | 2026-09-18 |
| 87.247.232.0/21 v4 | RPKI valid | 44 | 3454921056 | 2026-09-18 |
| 87.247.239.0/24 v4 | RPKI valid | 42 | 37721676221056 | 2026-09-18 |
| 91.143.192.0/20 v4 | RPKI valid | 44 | 3454921056 | 2026-09-18 |
| 91.201.104.0/24 v4 | no ROA | 44 | 3454921056 | 2026-09-18 |
| 91.242.230.0/24 v4 | no ROA | 44 | 3454921056 | 2026-09-18 |
| 94.138.160.0/19 v4 | RPKI valid | 44 | 3454921056 | 2026-09-18 |
| 103.26.124.0/22 v4 | RPKI valid | 44 | 3454921056 | 2026-09-18 |
| 103.43.232.0/22 v4 | RPKI valid | 44 | 3454921056 | 2026-09-18 |
| 103.61.184.0/22 v4 | RPKI valid | 44 | 3454921056 | 2026-09-18 |
| 103.248.184.0/22 v4 | RPKI valid | 44 | 3454921056 | 2026-09-18 |
| 109.122.208.0/21 v4 | RPKI valid | 44 | 3454921056 | 2026-09-18 |
| 144.48.192.0/22 v4 | RPKI valid | 44 | 3454921056 | 2026-09-18 |
| 185.97.216.0/24 v4 | RPKI valid | 44 | 3454921056 | 2026-09-18 |
| 185.97.217.0/24 v4 | RPKI valid | 44 | 3454921056 | 2026-09-18 |
| 185.97.218.0/24 v4 | RPKI valid | 44 | 3454921056 | 2026-09-18 |
| 185.97.219.0/24 v4 | RPKI valid | 44 | 3454921056 | 2026-09-18 |
| 185.125.64.0/22 v4 | RPKI valid | 44 | 3454921056 | 2026-09-18 |
| 185.158.116.0/22 v4 | RPKI valid | 44 | 3454921056 | 2026-09-18 |
| 185.170.36.0/22 v4 | RPKI valid | 44 | 3454921056 | 2026-09-18 |
| 185.224.60.0/22 v4 | RPKI valid | 44 | 3454921056 | 2026-09-18 |
| 185.224.104.0/22 v4 | RPKI valid | 44 | 3454921056 | 2026-09-18 |
| 185.230.92.0/22 v4 | RPKI valid | 44 | 3454921056 | 2026-09-18 |
| 185.230.192.0/22 v4 | RPKI valid | 44 | 3454921056 | 2026-09-18 |
| 185.230.232.0/22 v4 | RPKI valid | 44 | 3454921056 | 2026-09-18 |
| 185.231.160.0/22 v4 | RPKI valid | 44 | 3454921056 | 2026-09-18 |
| 185.234.164.0/22 v4 | RPKI valid | 44 | 3454921056 | 2026-09-18 |
| 185.241.20.0/22 v4 | RPKI valid | 44 | 3454921056 | 2026-09-18 |
| 188.240.32.0/22 v4 | RPKI valid | 44 | 3454921056 | 2026-09-18 |
| 193.124.240.0/22 v4 | RPKI valid | 44 | 3454921056 | 2026-09-18 |
| 194.58.216.0/22 v4 | RPKI valid | 44 | 3454921056 | 2026-09-18 |
| 213.182.64.0/19 v4 | RPKI valid | 44 | 3454921056 | 2026-09-18 |
| 2a00:14f8::/32 v6 | RPKI valid | 35 | 3454921056 | 2026-09-18 |