bgpreport

Network · data from 2026-11-12

AS21056 Vianova

Registry name: ASN-WELCOMEITALIA Vianova S.p.A, IT · PeeringDB

43IPv4 routes 95.3% RPKI valid · 95.3% with a route object
1IPv6 routes 100.0% RPKI valid · 100.0% with a route object
0RPKI invalid 0 origin · 0 maxLength
2No ROA 2 with no route object for this origin
1Low visibility seen by under 10% of full-table peers
2Route objects not announced registered with origin AS21056, seen from no peer

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% 66
91.242.230.0/24 No ROA RIR databaseRIPE 673 100% 66
87.247.239.0/24 Valid Nonecovered by 87.247.232.0/21 673 100% 67
80.93.143.0/24 Valid Nonecovered by 80.93.128.0/20 45 7%low visibility 31
45.84.140.0/22 Valid RIR databaseRIPE 673 100% 66
45.143.36.0/22 Valid RIR databaseRIPE 673 100% 66
45.151.12.0/22 Valid RIR databaseRIPE 673 100% 66
45.151.64.0/22 Valid RIR databaseRIPE 673 100% 66
46.44.192.0/18 Valid RIR databaseRIPE 673 100% 66
78.152.96.0/19 Valid RIR databaseRIPE 673 100% 66
79.108.136.0/21 Valid RIR databaseRIPE 673 100% 66
79.135.32.0/19 Valid RIR databaseRIPE 673 100% 66
80.93.128.0/20 Valid RIR databaseRIPE 673 100% 66
83.137.56.0/21 Valid RIR databaseRIPE 673 100% 66
87.232.160.0/19 Valid RIR databaseRIPE 673 100% 66
87.247.232.0/21 Valid RIR databaseRIPE 673 100% 66
91.143.192.0/20 Valid RIR databaseRIPE 673 100% 66
94.138.160.0/19 Valid RIR databaseRIPE 673 100% 66
103.26.124.0/22 Valid RIR databaseRIPE 673 100% 66
103.43.232.0/22 Valid RIR databaseRIPE 673 100% 66
103.61.184.0/22 Valid RIR databaseRIPE 673 100% 66
103.248.184.0/22 Valid RIR databaseRIPE 673 100% 66
109.122.208.0/21 Valid RIR databaseRIPE 673 100% 66
144.48.192.0/22 Valid RIR databaseRIPE 673 100% 66
185.97.216.0/24 Valid RIR databaseRIPE 673 100% 66
185.97.217.0/24 Valid RIR databaseRIPE 673 100% 66
185.97.218.0/24 Valid RIR databaseRIPE 673 100% 66
185.97.219.0/24 Valid RIR databaseRIPE 673 100% 66
185.125.64.0/22 Valid RIR databaseRIPE 673 100% 66
185.158.116.0/22 Valid RIR databaseRIPE 673 100% 66
185.170.36.0/22 Valid RIR databaseRIPE 673 100% 66
185.224.60.0/22 Valid RIR databaseRIPE 673 100% 66
185.224.104.0/22 Valid RIR databaseRIPE 673 100% 66
185.230.92.0/22 Valid RIR databaseRIPE 673 100% 66
185.230.192.0/22 Valid RIR databaseRIPE 673 100% 66
185.230.232.0/22 Valid RIR databaseRIPE 673 100% 66
185.231.160.0/22 Valid RIR databaseRIPE 673 100% 66
185.234.164.0/22 Valid RIR databaseRIPE 673 100% 66
185.241.20.0/22 Valid RIR databaseRIPE 673 100% 66
188.240.32.0/22 Valid RIR databaseRIPE 673 100% 66
193.124.240.0/22 Valid RIR databaseRIPE 673 100% 66
194.58.216.0/22 Valid RIR databaseRIPE 673 100% 66
213.182.64.0/19 Valid RIR databaseRIPE 673 100% 66
2a00:14f8::/32 Valid RIR databaseRIPE 636 100% 67

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.

NameDatabaseASNsSets Route objectsAS21056 in itNot covered
AS-WELCOMEITALIA RIPE 101157 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
ChangePrefix or setDetailFull-table peers
ROA: none91.201.104.0/24No ROA covers it. Add a ROA for AS21056, maxLength 24.673 of 673
ROA: none91.242.230.0/24No ROA covers it. Add a ROA for AS21056, maxLength 24.673 of 673
Route object: none87.247.239.0/24No 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.673 of 673
Route object: none80.93.143.0/24No 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.45 of 673

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::/29RIPENo ROA
2a0a:ae00::/29RIPENo 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.