AS21056 ASN-WELCOMEITALIA Vianova S.p.A
🇮🇹Org handle: ORG-WIS2-RIPE
RIPE NCCallocated
Announced Prefixes (BGP)
45total
44 IPv41 IPv6
IPv4 Addresses
Allocated (RIR)116,197
Announced (BGP)99,584
IPv6 Addresses
Allocated (RIR)1.9×10³⁰
Announced (BGP)7.9×10²⁸
Announced Prefixes
(BGP)45|
Prefix | RPKI | IRR | Last Seen |
|---|---|---|---|
| Valid | RIPE | 2026-10-11 | |
| Valid | RIPE | 2026-10-11 | |
| Valid | RIPE | 2026-10-11 | |
| Valid | RIPE | 2026-10-11 | |
| Valid | RIPE | 2026-10-11 | |
| Valid | RIPE | 2026-10-11 | |
| Valid | RIPE | 2026-10-11 | |
| Valid | RIPE | 2026-10-11 | |
| Valid | RIPE | 2026-10-11 | |
| Valid | - | 2026-10-11 |
1-10 of 45
1 / 5
Allocated Prefixes
(RIR)500Prefix | Country | RIR | Status |
|---|---|---|---|
| 45.84.140.0/22 | 🇮🇹 IT | RIPENCC | allocated |
| 45.143.36.0/22 | 🇮🇹 IT | RIPENCC | allocated |
| 45.151.12.0/22 | 🇮🇹 IT | RIPENCC | allocated |
| 45.151.64.0/22 | 🇮🇹 IT | RIPENCC | allocated |
| 46.44.192.0/18 | 🇮🇹 IT | RIPENCC | allocated |
| 46.44.192.0/27 | 🇮🇹 IT | RIPE | assigned |
| 46.44.192.32/29 | 🇮🇹 IT | RIPE | assigned |
| 46.44.192.48/29 | 🇮🇹 IT | RIPE | assigned |
| 46.44.193.0/24 | 🇮🇹 IT | RIPE | assigned |
| 46.44.194.0/28 | 🇮🇹 IT | RIPE | assigned |
1-10 of 500
1 / 50
All 45 announced prefixes of AS21056 →
BGP Neighbours
(seen in AS paths)Upstreams (6)
Networks AS21056 hands its own prefixes to: transit providers, or peers at an exchange.
Downstreams (4)
Networks whose own prefixes AS21056 passes on: usually its customers.
ASPA
No ASPA
Abuse Contact
+31205354444
External Links
Learn more
- What is an ASN?Autonomous systems, ASN ranges and how they are assigned
- RPKI and route origin validationWhat the RPKI badges on the prefix list mean
- ASPA explainedWhy AS21056 should publish an ASPA object
- IPv4 transfers in the RIPE NCC regionMonthly volume and the latest registry transfers
- ASN data in AI agents and SIEMMCP server and API integrations
API
Open https://api.ipctl.io/v1/asn/21056Returns ASN details, announced prefixes, and BGP routing data.
curl -s "https://api.ipctl.io/v1/asn/21056" | jq