Data as of Nov 13, 2026
83.137.63.136/29
No anonymizer space · no proxy exits in 30 daysVianova S.p.A
Registrations in this block
The registry's network records over this block, widest first, each under its parent.
| Range | Addresses | Netname | Holder | Type | Created | Abuse contact |
|---|---|---|---|---|---|---|
| 83.137.56.0/21 | 2,048 | IT-WELCOMEITALIA-20040507 | Vianova S.p.A (ORG-WIS2-RIPE) · IT | ALLOCATED PA | May 30, 2024 | ipnoc@ |
| └ 83.137.63.136/29 | 8 | UNITRANSSRL | Unitrans srl | ASSIGNED PA | Nov 2, 2026 | ipnoc@ via IT-WELCOMEITALIA-20040507 |
A contact marked “via” is the registry's: the record names none of its own, so the registry hands down its parent's.
Network & registry
Announced by
Covering announcement 83.137.56.0/21
- Prefix
- 83.137.56.0/21
- Announced by
- AS21056 Vianova S.p.A
- Type
- Internet provider
- RPKI
- RPKI valid
- Netname
- IT-WELCOMEITALIA-20040507
- Registrant
- Vianova S.p.A
- RIR
- RIPE NCC
Origin network
AS21056
IT
- Name
- Vianova S.p.A
- Type
- Internet provider
- Registered
- Aug 8, 2001
- Domain
- welcomeitalia.it
- Website
- www.vianova.it
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced 83.137.56.0/21
83.137.56.0/21
Routing history
- Pattern
- Reactivated
- First seen
- May 2005
- Current origin since
- May 2024 · 2.5 yr
- Origin networks
- 2
- Last change of origin
- May 2024
Recorded history
History
- Handoffs
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 83.137.56.0/21 | AS21056 | /24 | RIPE | RPKI valid |
IRR
Route objects on 83.137.56.0/21
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS21056 | RIPE | Vianova spa | WELCOME-ITALIA-MNT | May 30, 2024 |
Whois
Registration for this announcement
- Range
- 83.
137. 56. 0/ 21 - Netname
- IT-WELCOMEITALIA-20040507
- Registrant
- Vianova S.p.A
- Registrant country
- IT
- Organization
- Vianova S.p.A (ORG-WIS2-RIPE)
- Org country
- IT
- Type
- ALLOCATED PA
- Created
- May 30, 2024
- Updated
- May 30, 2024
- Maintainer
- WELCOME-ITALIA-MNT
- RIR
- RIPE NCC
- Country
- IT
- Delegated
- May 7, 2004
- Status
- assigned
Report abuse
Abuse contact
- ipnoc@
welcomeitalia. it - Name
- Welcome Italia IP NOC
- Handle
- WIIN1-RIPE