Data as of Nov 8, 2026
217.25.138.0/24
No anonymizer space · no proxy exits in 30 daysGRENKE Service GmbH
Announcement
this exact prefix
RPKI valid
Announced by
Type
Business
Risk
30 / 100 · Medium
Recently moved
Recent change
New origin Jul 2026
from AS209891 QuarIT GmbH
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 217.25.128.0/20 since Jul 2021 | AS21234 | Business | 1 | GRENKE Service GmbH |
Network & registry
Origin network
AS21234
DE
- Name
- GRENKE Service GmbH
- Type
- Business
- Registered
- Oct 3, 2001
- Domain
- grenke.de
- Industry
- Law, Business, and Consulting Services
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Rotating
- First seen
- Apr 2024
- Current origin since
- Jul 2026 · 3 mo
- Origin networks
- 2
- Last change of origin
- Jul 2026
Recorded history
History
- Handoffs
- 2
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 217.25.138.0/24 | AS21234 | /24 | RIPE | RPKI valid |
| 217.25.138.0/24 | AS209891 | /24 | RIPE | Another network |
| 217.25.128.0/20 | AS21234 | /24 | RIPE | RPKI valid |
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS21234 | RIPE | GRENKE digital GmbH | DMAYER-MNT | Apr 10, 2024 |
Whois
Registration for this announcement
- Range
- 217.
25. 128. 0/ 20 - Netname
- DE-GRENKE-20001016
- Registrant
- GRENKE Service GmbH
- Registrant country
- DE
- Organization
- GRENKE Service GmbH (ORG-HA1-RIPE)
- Org country
- DE
- Type
- ALLOCATED PA
- Created
- Not stated by the registry
- Updated
- Jan 24, 2023
- Maintainer
- RIPE-NCC-HM-MNT
- RIR
- RIPE NCC
- Country
- DE
- Delegated
- Oct 16, 2000
- Status
- assigned
Report abuse
Abuse contact
- T-G-DE-IT-SERVICES-NETWORK@
grenke. de - Name
- Abuse-C Role
- Handle
- AR14588-RIPE