Data as of Nov 5, 2026
87.237.173.0/24
No anonymizer space · no proxy exits in 30 daysNTS workspace AG · space held by TcNet GmbH
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 |
|---|---|---|---|---|---|---|
| 87.237.168.0/21 | 2,048 | CH-TCNET-20051123 | TcNet GmbH (ORG-TG22-RIPE) · CH | ALLOCATED PA | Nov 23, 2005 | abuse@ |
| └ 87.237.173.0/24 | 256 | dsl-schweiz-ch-dyn-01 | DSL Schweiz | ASSIGNED PA | May 6, 2008 | abuse@ via CH-TCNET-20051123 |
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 87.237.172.0/22
- Prefix
- 87.237.172.0/22
- Announced by
- AS15576 NTS workspace AG
- Type
- Hosting
- Proxy exits
- 27
- RPKI
- RPKI valid
- Netname
- CH-TCNET-20051123
- Registrant
- TcNet GmbH
- RIR
- RIPE NCC
Origin network
AS15576
CH
- Name
- NTS workspace AG
- Type
- Hosting
- Registered
- Feb 24, 2004
- Domain
- nts.ch
- Website
- www.nts.ch
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced 87.237.172.0/22
87.237.172.0/22
Routing history
- Pattern
- Stable
- First seen
- Feb 2022
- Current origin since
- Feb 2022 · 4.7 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 87.237.172.0/22 | AS15576 | /22 | RIPE | RPKI valid |
IRR
Route objects on 87.237.172.0/22
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS15576 | RIPE | TcNet Gmbh routed by NTS Workspace AG | NTS-CORE-MNT | Jan 3, 2022 |
Whois
Registration for this announcement
- Range
- 87.
237. 168. 0/ 21 - Netname
- CH-TCNET-20051123
- Registrant
- TcNet GmbH
- Registrant country
- CH
- Organization
- TcNet GmbH (ORG-TG22-RIPE)
- Org country
- CH
- Type
- ALLOCATED PA
- Created
- Nov 23, 2005
- Updated
- Apr 23, 2026
- Maintainer
- RIPE-NCC-HM-MNT
- RIR
- RIPE NCC
- Country
- CH
- Delegated
- Nov 23, 2005
- Status
- assigned
Report abuse
Abuse contact
- abuse@
tcnet. ch - Name
- TcNet NOC
- Handle
- TT4309-RIPE