Data as of Nov 9, 2026
185.122.182.0/24
No anonymizer space · no proxy exits in 30 daysSeibert Group GmbH
Announcement
this exact prefix
RPKI valid
Announced by
Type
Business
Risk
30 / 100 · Medium
Recently moved
Recent change
New origin Aug 2026
from AS51862 IONOS SE, after 3.4 years unannounced
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 |
|---|---|---|---|---|---|---|
| 185.122.180.0/22 | 1,024 | DE-SEIBERTMEDIA-20151022 | Seibert Group GmbH (ORG-GA558-RIPE) · DE | ALLOCATED PA | Oct 22, 2015 | team-it+ripe@ |
| └ 185.122.182.0/24 | 256 | DE-SEIBERTMEDIA-20151022-SUBNET2 | //SEIBERT/MEDIA GmbH | ASSIGNED PA | Oct 26, 2015 | team-it+ripe@ via DE-SEIBERTMEDIA-20151022 |
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
- Seibert Group GmbH
- Handle
- ORG-GA558-RIPE
- Range
- 185.
122. 180. 0/ 22 - Registration type
- ALLOCATED PA
- Record created
- Oct 22, 2015
Origin network
AS218842
DE
- Name
- Seibert Group GmbH
- Type
- Business
- Registered
- Aug 28, 2026
- Domain
- seibert.group
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced this prefix
Summary
Routing history
- Pattern
- Reactivated
- First seen
- Nov 2015
- Current origin since
- Aug 2026 · 3 mo
- Origin networks
- 3
- Last change of origin
- Aug 2026
Recorded history
History
- Handoffs
- 2
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 185.122.182.0/24 | AS51862 | /24 | RIPE | Another network |
| 185.122.182.0/24 | AS218842 | /24 | RIPE | RPKI valid |
| 185.122.180.0/22 | AS8560 | /24 | RIPE | Another network |
| 185.122.180.0/22 | AS51862 | /24 | RIPE | Another network |
Whois
Registration for this announcement
- Range
- 185.
122. 182. 0/ 24 - Netname
- DE-SEIBERTMEDIA-20151022-SUBNET2
- Registrant
- //SEIBERT/MEDIA GmbH
- Registrant country
- DE
- Organization
- //SEIBERT/MEDIA GmbH
- Org country
- DE
- Type
- ASSIGNED PA
- Created
- Oct 26, 2015
- Updated
- Oct 3, 2026
- Maintainer
- de-seibertmedia-1-mnt
- RIR
- RIPE NCC
- Country
- DE
- Delegated
- Oct 22, 2015
- Status
- assigned
Report abuse
Abuse contact
- team-it+ripe@
seibert. group - Name
- Seibert Group Abuse-C
- Handle
- AR33930-RIPE