Data as of Nov 11, 2026
37.0.23.48/28
No anonymizer space · no proxy exits in 30 daysDDFR IT Infra & Security B.V.
Residential-proxy exits
Proxy exits
1
6.3% of its addresses · listed by providers
Providers
3
selling exits here
Proxy providers listing exits
- AnyIP
- CliProxy
- FloppyData
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 |
|---|---|---|---|---|---|---|
| 37.0.16.0/21 | 2,048 | NL-DCF-20111207 | DDFR IT Infra & Security B.V. (ORG-DFB1-RIPE) · NL | ALLOCATED PA | Dec 7, 2011 | info@ |
| └ 37.0.23.48/28 | 16 | DDF-Carestream-DMZ | unknown | ASSIGNED PA | Mar 9, 2020 | info@ via NL-DCF-20111207 |
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 37.0.16.0/21
- Prefix
- 37.0.16.0/21
- Announced by
- AS35467 DDFR IT Infra & Security B.V.
- Type
- Residential
- Proxy exits
- 7
- Always-on exits
- 1
- RPKI
- RPKI valid
- Netname
- NL-DCF-20111207
- Registrant
- DDFR IT Infra & Security B.V.
- RIR
- RIPE NCC
Origin network
AS35467
NL
- Name
- DDFR IT Infra & Security B.V.
- Type
- Internet provider
- Registered
- Aug 12, 2005
- Domain
- ddfr.nl
- Website
- www.ddfr.nl
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced 37.0.16.0/21
37.0.16.0/21
Routing history
- Pattern
- Stable
- First seen
- Dec 2011
- Current origin since
- Dec 2011 · 15 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 37.0.16.0/21 | AS35467 | /22 | RIPE | RPKI valid |
IRR
Route objects on 37.0.16.0/21
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS35467 | RIPE | DDFR | DATADIENSTENFRYSLAN | Jun 8, 2017 |
Whois
Registration for this announcement
- Range
- 37.
0. 16. 0/ 21 - Netname
- NL-DCF-20111207
- Registrant
- DDFR IT Infra & Security B.V.
- Registrant country
- NL
- Organization
- DDFR IT Infra & Security B.V. (ORG-DFB1-RIPE)
- Org country
- NL
- Type
- ALLOCATED PA
- Created
- Dec 7, 2011
- Updated
- Mar 5, 2026
- Maintainer
- RIPE-NCC-HM-MNT
- RIR
- RIPE NCC
- Country
- NL
- Delegated
- Dec 7, 2011
- Status
- assigned
Report abuse
Abuse contact
- info@
ddfr. nl - Name
- Abuse contact role object
- Handle
- ACRO61245-RIPE