Data as of Nov 11, 2026
37.25.176.0/22
No anonymizer space · no proxy exits in 30 daysFastweb SpA · space held by Vodafone Group Services GmbH
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 37.25.128.0/17 since Sep 2026 | AS1273 | Mobile | Vodafone Group Services GmbH |
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 |
|---|---|---|---|---|---|---|
| 37.25.128.0/17 | 32,768 | DE-VODAFONE-20111223 | Vodafone Group Services GmbH (ORG-VDG2-RIPE) · DE | ALLOCATED PA | Dec 23, 2011 | abuse@ |
| └ 37.25.176.0/20 | 4,096 | VDF-DC-1 | unknown | ASSIGNED PA | Oct 6, 2016 | abuse@ via DE-VODAFONE-20111223 |
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 37.25.176.0/20
- Prefix
- 37.25.176.0/20
- Announced by
- AS12663 Fastweb SpA
- Type
- Residential
- RPKI
- RPKI valid
- Netname
- VDF-DC-1
- RIR
- RIPE NCC
Registry
Holder
- Organization
- Vodafone Group Services GmbH
- Handle
- ORG-VDG2-RIPE
- Range
- 37.
25. 128. 0/ 17 - Registration type
- ALLOCATED PA
- Record created
- Dec 23, 2011
Origin network
AS12663
IT
- Name
- Fastweb SpA
- Type
- Internet provider
- Registered
- Sep 17, 1999
- Domain
- fastweb.it
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
37.25.176.0/20
Routing history
- Pattern
- Stable
- First seen
- Nov 2017
- Current origin since
- Nov 2017 · 9.0 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 37.25.128.0/17 | AS12663 | /24 | RIPE | RPKI valid |
| 37.25.128.0/17 | AS201917 | /24 | RIPE | Another network |
| 37.25.128.0/17 | AS1273 | /17 | RIPE | Another network |
IRR
Route objects on 37.25.176.0/20
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS12663 | RIPE | Vodafone Group Services | MNT-ON | Jul 29, 2020 |
Whois
Registration for this announcement
- Range
- 37.
25. 176. 0/ 20 - Netname
- VDF-DC-1
- Registrant country
- DE
- Organization
- Not stated by the registry
- Type
- ASSIGNED PA
- Created
- Oct 6, 2016
- Updated
- Oct 6, 2016
- Maintainer
- MNT-ON
- RIR
- RIPE NCC
- Country
- DE
- Delegated
- Dec 23, 2011
- Status
- assigned
Report abuse
Abuse contact
- abuse@
vodafone. com - Name
- VF GROUP ABUSE
- Handle
- VGA24-RIPE