Data as of Nov 3, 2026
37.1.104.0/23
No anonymizer space · no proxy exits in 30 daysonecentral B.V.
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 37.1.104.0/21 since Feb 2020 | AS49250 | Internet provider | onecentral B.V. |
Registrations in this block
The registry's network records over the announcement: those covering it, widest first, then every record inside it, under its parent.
| Range | Addresses | Netname | Holder | Type | Created | Abuse contact |
|---|---|---|---|---|---|---|
| 37.1.104.0/21 | 2,048 | NL-ONECENTRAL-20111212 | onecentral B.V. (ORG-OB27-RIPE) · NL | ALLOCATED PA | Dec 12, 2011 | [email protected] |
| └ 37.1.104.0/23 | 512 | BROADBAND_AMS1_NETWORK | onecentral B.V. | ASSIGNED PA | Dec 15, 2011 | [email protected] via NL-ONECENTRAL-20111212 |
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
Registry
Holder
- Organization
- onecentral B.V.
- Handle
- ORG-OB27-RIPE
- Range
- 37.1.104.0/21
- Registration type
- ALLOCATED PA
- Record created
- Dec 12, 2011
Origin network
AS49250
NL
- Name
- onecentral B.V.
- Type
- Internet provider
- Registered
- May 7, 2009
- Domain
- onecentral.nl
- Website
- onecentral.nl
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
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 |
|---|---|---|---|---|
| 37.1.104.0/21 | AS49250 | /24 | RIPE | RPKI valid |
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS49250 | RIPE | onecentral B.V. | ONECENTRAL | Dec 15, 2011 |
Whois
Registration for this announcement
- Range
- 37.1.104.0/23
- Netname
- BROADBAND_AMS1_NETWORK
- Registrant
- onecentral B.V.
- Registrant country
- NL
- Organization
- onecentral B.V.
- Org country
- NL
- Type
- ASSIGNED PA
- Created
- Dec 15, 2011
- Updated
- Jan 30, 2020
- Maintainer
- ONECENTRAL
- RIR
- RIPE NCC
- Country
- NL
- Delegated
- Dec 12, 2011
- Status
- assigned
Report abuse
Abuse contact
- [email protected]
- Name
- Abuse NOC
- Handle
- AN28726-RIPE