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
5
transit providers observed
Peers
24
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
Upstreams
Networks seen providing transit to this one
| Network | Country | Cone | IPv4 prefixes | Paths | Source |
|---|---|---|---|---|---|
| AS3356 Lumen (Level 3) | 🇺🇸 US | 70,880 | 2,082 | 203 | CAIDA |
| AS1299 Arelion (fka. Telia Carrier) | 🇸🇪 SE | 68,865 | 132 | 200 | CAIDA |
| AS6762 Telecom Italia Sparkle (Seabone) | 🇮🇹 IT | 52,004 | 288 | 453 | CAIDA |
| AS9002 RETN Limited | 🇬🇧 GB | 50,049 | 18 | 3 | inferred |
| AS29632 Netassist International EOOD | 🇧🇬 BG | 41 | 0 | 2 | inferred |
Peers
Adjacencies that look settlement-free rather than transit
| Network | Country | Cone | IPv4 prefixes | Paths | Source |
|---|---|---|---|---|---|
| AS6939 Hurricane Electric LLC | 🇺🇸 US | 52,966 | 235 | 178 | CAIDA |
| AS8966 Etisalat (E&) | 🇦🇪 AE | 43,161 | 49 | 1 | CAIDA |
| AS20485 TransTeleCom JSC | 🇷🇺 RU | 28,220 | 85 | 48 | CAIDA |
| AS33891 Core-Backbone GmbH | 🇩🇪 DE | 24,706 | 1 | 1 | CAIDA |
| AS37721 Virtual Technologies & Solutions | 🇧🇫 BF | 21,505 | 64 | 85 | CAIDA |
| AS50673 Serverius Holding B.V. | 🇳🇱 NL | 15,934 | 130 | 40 | CAIDA |
| AS34549 meerfarbig GmbH & Co. KG | 🇩🇪 DE | 15,431 | 48 | 283 | CAIDA |
| AS34927 iFog GmbH | 🇨🇠CH | 15,320 | 38 | 48 | CAIDA |
| AS24482 SG.GS | 🇸🇬 SG | 4,727 | 45 | 44 | CAIDA |
| AS17639 Converge ICT Solutions Inc. | 🇵🇠PH | 274 | 567 | 43 | CAIDA |
| AS25091 IP-Max SA | 🇨🇠CH | 171 | 25 | 1 | CAIDA |
| AS49559 A-Systems Sp. z o.o. | 🇵🇱 PL | 134 | 11 | 40 | CAIDA |
| AS1836 green.ch AG | 🇨🇠CH | 43 | 78 | 42 | CAIDA |
| AS34019 Hivane Association | 🇫🇷 FR | 38 | 6 | 1 | CAIDA |
| AS50304 Blix Solutions AS | 🇳🇴 NO | 34 | 103 | 162 | CAIDA |
| AS1103 SURF B.V. | 🇳🇱 NL | 30 | 99 | 3 | CAIDA |
| AS20766 Association "Gitoyen" | 🇫🇷 FR | 18 | 6 | 43 | CAIDA |
| AS50628 Leonix Telecom SAS | 🇫🇷 FR | 15 | 11 | 82 | CAIDA |
| AS48362 Stadtwerke Feldkirch | 🇦🇹 AT | 15 | 8 | 48 | CAIDA |
| AS48185 team.blue NV | 🇧🇪 BE | 14 | 1 | 81 | CAIDA |
| AS50300 CustodianDC Limited | 🇬🇧 GB | 9 | 39 | 43 | CAIDA |
| AS59919 Brainbox S.r.l. | 🇮🇹 IT | 2 | 8 | 43 | CAIDA |
| AS212024 Marc Schmitt | 🇫🇷 FR | 0 | 1 | 42 | CAIDA |
| AS3333 Reseaux IP Europeens Network Coordination Centre (RIPE NCC) | 🇳🇱 NL | 0 | 7 | 40 | CAIDA |
Downstreams
Networks this one appears to provide transit to
| Network | Country | Cone | IPv4 prefixes | Paths | Source |
|---|---|---|---|---|---|
| AS47242 Host SpA | 🇮🇹 IT | 8 | 38 | 353 | CAIDA |
| AS198320 Telnet Systems s.r.l. | 🇮🇹 IT | 0 | 8 | 43 | CAIDA |
| AS208775 COMAC S.P.A. | 🇮🇹 IT | 0 | 3 | 43 | CAIDA |
| AS210224 SNAP SYSTEM SRL | 🇮🇹 IT | 0 | 1 | 26 | CAIDA |
Relationships marked inferred come from where the two networks sit on the AS paths the collectors see, which is a guess and is wrong for some of them. The rest are stated by CAIDA's published inference over a much wider set of collectors.