Data as of Nov 13, 2026
91.204.8.0/24
No anonymizer space · no proxy exits in 30 days1&1 Versatel GmbH · space held by Biotronik SE & Co.KG
Network & registry
Origin network
AS8881
DE
- Name
- 1&1 Versatel GmbH
- Type
- Internet provider
- Registered
- Jul 8, 1998
- Domain
- 1und1.net
- Website
- www.1und1.net/
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
- VPN servers
- 4
Routing timeline
Who has announced this prefix
Summary
Routing history
- Pattern
- Stable
- First seen
- Dec 2015
- Current origin since
- Sep 2021 · 5.2 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 91.204.8.0/22 | AS8881 | /24 | RIPE | RPKI valid |
| 91.204.8.0/22 | AS47274 | /22 | RIPE | Another network |
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS8881 | RIPE | Biotronik | VT-MNT | Mar 21, 2025 |
Whois
Registration for this announcement
- Range
- 91.
204. 8. 0/ 22 - Netname
- Biotronik
- Registrant
- Biotronik SE & Co.KG
- Registrant country
- DE
- Organization
- Biotronik SE & Co.KG (ORG-BGC2-RIPE)
- Org country
- DE
- Type
- ASSIGNED PI
- Created
- May 23, 2008
- Updated
- Apr 14, 2016
- Maintainer
- RIPE-NCC-END-MNT
- RIR
- RIPE NCC
- Country
- DE
- Delegated
- May 23, 2008
- Status
- assigned
Report abuse
Abuse contact
- abuse@
1und1. net - Name
- Abuse-C Role
- Handle
- AR30262-RIPE