Data as of Nov 10, 2026
37.26.201.0/29
No anonymizer space · no proxy exits in 30 daysMarc Pauls (AlphaCron Datensysteme)
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 |
|---|---|---|---|---|---|---|
| 37.26.200.0/21 | 2,048 | DE-ALPHACRON-20111229 | Marc Pauls (AlphaCron Datensysteme) (ORG-MPD1-RIPE) · DE | ALLOCATED PA | Dec 29, 2011 | abuse@ |
| └ 37.26.201.0/29 | 8 | ELMI-ERFURT | elmi GmbH & Co. KG | ASSIGNED PA | Feb 18, 2013 | abuse@ via DE-ALPHACRON-20111229 |
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 37.26.200.0/21
- Prefix
- 37.26.200.0/21
- Announced by
- AS28748 Marc Pauls (AlphaCron Datensysteme)
- Type
- Residential
- Proxy exits
- 2
- RPKI
- RPKI valid
- Netname
- DE-ALPHACRON-20111229
- Registrant
- Marc Pauls (AlphaCron Datensysteme)
- RIR
- RIPE NCC
Origin network
AS28748
DE
- Name
- Marc Pauls (AlphaCron Datensysteme)
- Type
- Internet provider
- Registered
- Feb 13, 2003
- Domain
- alphacron.de
- Website
- www.alphacron.de
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced 37.26.200.0/21
37.26.200.0/21
Routing history
- Pattern
- Stable
- First seen
- Jan 2012
- Current origin since
- Jan 2012 · 15 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 37.26.200.0/21 | AS28748 | /21 | RIPE | RPKI valid |
IRR
Route objects on 37.26.200.0/21
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS28748 | RIPE | ALPHACRON-PA-ALLOCATION-1 | MP-MNT | Dec 29, 2011 |
Whois
Registration for this announcement
- Range
- 37.
26. 200. 0/ 21 - Netname
- DE-ALPHACRON-20111229
- Registrant
- Marc Pauls (AlphaCron Datensysteme)
- Registrant country
- DE
- Organization
- Marc Pauls (AlphaCron Datensysteme) (ORG-MPD1-RIPE)
- Org country
- DE
- Type
- ALLOCATED PA
- Created
- Dec 29, 2011
- Updated
- Mar 11, 2017
- Maintainer
- RIPE-NCC-HM-MNT
- RIR
- RIPE NCC
- Country
- DE
- Delegated
- Dec 29, 2011
- Status
- assigned
Report abuse
Abuse contact
- abuse@
alphacron. de - Name
- AlphaCron Datensysteme
- Handle
- ACDS-RIPE