Network · data from 2026-11-12
AS21056 Vianova
Registry name: ASN-WELCOMEITALIA Vianova S.p.A, IT · PeeringDB
Announced routes
Every prefix a peer of the route collectors sees with origin AS21056, things to look at first. Visibility = full-table peers that see it, of 673 (IPv4) and 636 (IPv6) on 75 collectors. Also as routes.csv.
| 91.201.104.0/24 | No ROA | RIR databaseRIPE | 673 100% |
| 91.242.230.0/24 | No ROA | RIR databaseRIPE | 673 100% |
| 87.247.239.0/24 | Valid | Nonecovered by 87.247.232.0/21 | 673 100% |
| 80.93.143.0/24 | Valid | Nonecovered by 80.93.128.0/20 | 45 7%low visibility |
| 45.84.140.0/22 | Valid | RIR databaseRIPE | 673 100% |
| 45.143.36.0/22 | Valid | RIR databaseRIPE | 673 100% |
| 45.151.12.0/22 | Valid | RIR databaseRIPE | 673 100% |
| 45.151.64.0/22 | Valid | RIR databaseRIPE | 673 100% |
| 46.44.192.0/18 | Valid | RIR databaseRIPE | 673 100% |
| 78.152.96.0/19 | Valid | RIR databaseRIPE | 673 100% |
| 79.108.136.0/21 | Valid | RIR databaseRIPE | 673 100% |
| 79.135.32.0/19 | Valid | RIR databaseRIPE | 673 100% |
| 80.93.128.0/20 | Valid | RIR databaseRIPE | 673 100% |
| 83.137.56.0/21 | Valid | RIR databaseRIPE | 673 100% |
| 87.232.160.0/19 | Valid | RIR databaseRIPE | 673 100% |
| 87.247.232.0/21 | Valid | RIR databaseRIPE | 673 100% |
| 91.143.192.0/20 | Valid | RIR databaseRIPE | 673 100% |
| 94.138.160.0/19 | Valid | RIR databaseRIPE | 673 100% |
| 103.26.124.0/22 | Valid | RIR databaseRIPE | 673 100% |
| 103.43.232.0/22 | Valid | RIR databaseRIPE | 673 100% |
| 103.61.184.0/22 | Valid | RIR databaseRIPE | 673 100% |
| 103.248.184.0/22 | Valid | RIR databaseRIPE | 673 100% |
| 109.122.208.0/21 | Valid | RIR databaseRIPE | 673 100% |
| 144.48.192.0/22 | Valid | RIR databaseRIPE | 673 100% |
| 185.97.216.0/24 | Valid | RIR databaseRIPE | 673 100% |
| 185.97.217.0/24 | Valid | RIR databaseRIPE | 673 100% |
| 185.97.218.0/24 | Valid | RIR databaseRIPE | 673 100% |
| 185.97.219.0/24 | Valid | RIR databaseRIPE | 673 100% |
| 185.125.64.0/22 | Valid | RIR databaseRIPE | 673 100% |
| 185.158.116.0/22 | Valid | RIR databaseRIPE | 673 100% |
| 185.170.36.0/22 | Valid | RIR databaseRIPE | 673 100% |
| 185.224.60.0/22 | Valid | RIR databaseRIPE | 673 100% |
| 185.224.104.0/22 | Valid | RIR databaseRIPE | 673 100% |
| 185.230.92.0/22 | Valid | RIR databaseRIPE | 673 100% |
| 185.230.192.0/22 | Valid | RIR databaseRIPE | 673 100% |
| 185.230.232.0/22 | Valid | RIR databaseRIPE | 673 100% |
| 185.231.160.0/22 | Valid | RIR databaseRIPE | 673 100% |
| 185.234.164.0/22 | Valid | RIR databaseRIPE | 673 100% |
| 185.241.20.0/22 | Valid | RIR databaseRIPE | 673 100% |
| 188.240.32.0/22 | Valid | RIR databaseRIPE | 673 100% |
| 193.124.240.0/22 | Valid | RIR databaseRIPE | 673 100% |
| 194.58.216.0/22 | Valid | RIR databaseRIPE | 673 100% |
| 213.182.64.0/19 | Valid | RIR databaseRIPE | 673 100% |
| 2a00:14f8::/32 | Valid | RIR databaseRIPE | 636 100% |
AS-SET
PeeringDB's irr_as_set for AS21056: AS-WELCOMEITALIA. Expanded from the day's IRR dumps the way bgpq4 does against whois.radb.net: a name with a database is read from that database only, one without from the first database in RADB's order. "Not covered" = this network's own routes that a filter built from the set would leave out (AS21056 isn't in the set, or no route object for AS21056 covers the route; more-specifics of a route object are accepted down to /24 and /48, as with bgpq4 -A -R 24 / -R 48). Customers' routes aren't counted: the collectors show each route's origin, not which network it came through.
| Name | Database | ASNs | Sets | AS21056 in it | Not covered |
|---|---|---|---|---|---|
| AS-WELCOMEITALIA | RIPE | 10 | 1 | Yes | 0 |
Fix list
The changes that would bring RPKI, the IRR and what's announced into line. Some are deliberate (a route object kept for a backup route, say); the network decides. All 6 are in fix.csv.
- ROA: none2
- Route object: none2
- Route object: not announced2
| Change | Prefix or set | Detail |
|---|---|---|
| ROA: none | 91.201.104.0/24 | No ROA covers it. Add a ROA for AS21056, maxLength 24. |
| ROA: none | 91.242.230.0/24 | No ROA covers it. Add a ROA for AS21056, maxLength 24. |
| Route object: none | 87.247.239.0/24 | No route object for it. A route object for 87.247.232.0/21 with origin AS21056 covers it (filters allowing more-specifics accept it). Add a route object with origin AS21056 in the RIR database for the space. |
| Route object: none | 80.93.143.0/24 | No route object for it. A route object for 80.93.128.0/20 with origin AS21056 covers it (filters allowing more-specifics accept it). Add a route object with origin AS21056 in the RIR database for the space. |
Route objects not announced
Route objects with origin AS21056 whose prefix no peer sees AS21056 announce. Many are kept on purpose (backup routes, space announced only in some places).
| 2a0a:9b00::/29 | RIPE | No ROA |
| 2a0a:ae00::/29 | RIPE | No ROA |
Routes: the 08:00 UTC snapshots of 2026-11-12 from 75 RIPE RIS and RouteViews collectors. RPKI: our rpki-client run before the snapshot. IRR: the day's dumps of the five RIR databases and RADB's mirrors. The LEVEL3 and IDNIC databases publish no dump and aren't read, so route objects only there count as none.