Data as of Nov 4, 2026
134.97.36.0/24
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 |
|---|---|---|---|---|---|---|
| 134.97.0.0/16 | 65,536 | ALPHACRON-1 | Marc Pauls (AlphaCron Datensysteme) (ORG-MPD1-RIPE) · DE | LEGACY | — | [email protected] |
| └ 134.97.36.0/24 | 256 | BIOTIKON-NET-1 | Dr. med. Alexander Michalzik | LEGACY | Nov 16, 2022 | [email protected] via ALPHACRON-1 |
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 134.97.0.0/17
- Prefix
- 134.97.0.0/17
- Announced by
- AS28748 Marc Pauls (AlphaCron Datensysteme)
- Type
- Residential
- Proxy exits
- 4
- RPKI
- RPKI valid
- Netname
- ALPHACRON-1
- 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 134.97.0.0/17
134.97.0.0/17
Routing history
- Pattern
- Stable
- First seen
- Mar 2017
- Current origin since
- Mar 2017 · 9.7 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 134.97.0.0/17 | AS28748 | /17 | RIPE | RPKI valid |
| 134.97.0.0/16 | AS28748 | /17 | RIPE | RPKI valid |
IRR
Route objects on 134.97.0.0/17
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS28748 | RIPE | ALPHACRON-1 | MP-MNT | Mar 10, 2017 |
Whois
Registration for this announcement
- Range
- 134.97.0.0/16
- Netname
- ALPHACRON-1
- Registrant
- Marc Pauls (AlphaCron Datensysteme)
- Registrant country
- DE
- Organization
- Marc Pauls (AlphaCron Datensysteme) (ORG-MPD1-RIPE)
- Org country
- DE
- Type
- LEGACY
- Created
- Not stated by the registry
- Updated
- Apr 14, 2016
- Maintainer
- RIPE-NCC-LEGACY-MNT
- RIR
- RIPE NCC
- Country
- DE
- Delegated
- Aug 29, 1989
- Status
- assigned
Report abuse
Abuse contact
- [email protected]
- Name
- AlphaCron Datensysteme
- Handle
- ACDS-RIPE