Data as of Nov 10, 2026
83.137.148.4/30
No anonymizer space · no proxy exits in 30 daysDuocast B.V.
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 |
|---|---|---|---|---|---|---|
| 83.137.144.0/21 | 2,048 | NL-DUOCAST-20040526 | Duocast B.V. (ORG-DA16-RIPE) · NL | ALLOCATED PA | May 26, 2004 | abuse@ |
| └ 83.137.148.4/30 | 4 | WAGENBORG-AWS-PUBLIC | Wagenborg Shipping B.V. (ORG-WSB6-RIPE) | ASSIGNED PA | Mar 25, 2020 | nanne-jan. |
Network & registry
Announced by
Covering announcement 83.137.144.0/21
- Prefix
- 83.137.144.0/21
- Announced by
- AS31477 Duocast B.V.
- Type
- Hosting
- RPKI
- RPKI valid
- Netname
- NL-DUOCAST-20040526
- Registrant
- Duocast B.V.
- RIR
- RIPE NCC
Origin network
AS31477
NL
- Name
- Duocast B.V.
- Type
- Hosting
- Registered
- May 26, 2004
- Domain
- duocast.nl
- Website
- www.duocast.nl
- Industry
- Hosting and Cloud Provider
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced 83.137.144.0/21
83.137.144.0/21
Routing history
- Pattern
- Stable
- First seen
- May 2005
- Current origin since
- May 2005 · 22 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 83.137.144.0/21 | AS31477 | /24 | RIPE | RPKI valid |
IRR
Route objects on 83.137.144.0/21
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS31477 | RIPE | Duocast | MNT-DUOCAST | Jun 26, 2004 |
Whois
Registration for this announcement
- Range
- 83.
137. 144. 0/ 21 - Netname
- NL-DUOCAST-20040526
- Registrant
- Duocast B.V.
- Registrant country
- NL
- Organization
- Duocast B.V. (ORG-DA16-RIPE)
- Org country
- NL
- Type
- ALLOCATED PA
- Created
- May 26, 2004
- Updated
- Jan 26, 2017
- Maintainer
- RIPE-NCC-HM-MNT
- RIR
- RIPE NCC
- Country
- NL
- Delegated
- May 26, 2004
- Status
- assigned
Report abuse
Abuse contact
- abuse@
duocast. nl - Name
- Duocast role
- Handle
- DUO-RIPE