Data as of Nov 7, 2026
81.173.6.16/29
No anonymizer space · no proxy exits in 30 daysGLASFASER RUHR GmbH & Co. KG
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 |
|---|---|---|---|---|---|---|
| 81.173.6.0/24 | 256 | DE-GLASFASER-20030219 | GLASFASER RUHR GmbH & Co. KG (ORG-GBGC3-RIPE) · DE | ALLOCATED PA | May 25, 2018 | abuse@ |
| └ 81.173.6.16/29 | 8 | KEYSIGHT-TECHNOLOGIES-NET | Keysight Technologies Deutschland GmbH | ASSIGNED PA | Jan 26, 2024 | abuse@ via DE-GLASFASER-20030219 |
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 81.173.6.0/24
- Prefix
- 81.173.6.0/24
- Announced by
- AS12329 GLASFASER RUHR GmbH & Co. KG
- Type
- Residential
- RPKI
- RPKI valid
- Netname
- DE-GLASFASER-20030219
- Registrant
- GLASFASER RUHR GmbH & Co. KG
- RIR
- RIPE NCC
Origin network
AS12329
DE
- Name
- GLASFASER RUHR GmbH & Co. KG
- Type
- Internet provider
- Registered
- Mar 16, 1999
- Domain
- glasfaser-ruhr.de
- Website
- www.glasfaser-ruhr.de/
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced 81.173.6.0/24
81.173.6.0/24
Routing history
- Pattern
- Stable
- First seen
- Apr 2018
- Current origin since
- May 2021 · 5.5 yr
- Origin networks
- 3
- Last change of origin
- May 2021
Recorded history
History
- Handoffs
- 2
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 81.173.6.0/24 | AS12329 | /24 | RIPE | RPKI valid |
IRR
Route objects on 81.173.6.0/24
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS12329 | RIPE | TMR-MNT | May 20, 2021 |
Whois
Registration for this announcement
- Range
- 81.
173. 6. 0/ 24 - Netname
- DE-GLASFASER-20030219
- Registrant
- GLASFASER RUHR GmbH & Co. KG
- Registrant country
- DE
- Organization
- GLASFASER RUHR GmbH & Co. KG (ORG-GBGC3-RIPE)
- Org country
- DE
- Type
- ALLOCATED PA
- Created
- May 25, 2018
- Updated
- May 23, 2022
- Maintainer
- RIPE-NCC-HM-MNT
- RIR
- RIPE NCC
- Country
- DE
- Delegated
- Feb 19, 2003
- Status
- assigned
Report abuse
Abuse contact
- abuse@
glasfaser-ruhr. net - Name
- GLASFASER RUHR Abuse Contact
- Handle
- GRAC5-RIPE