Data as of Nov 5, 2026
153.109.152.0/21
No anonymizer space · no proxy exits in 30 daysSWITCH · space held by HES-SO Valais-Wallis
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 |
|---|---|---|---|---|---|---|
| 153.109.0.0/16 | 65,536 | ISW-MAIN-NET | HES-SO Valais-Wallis (ORG-HV16-RIPE) · CH | LEGACY | — | abuse@ |
| └ 153.109.152.0/21 | 2,048 | VSNET-152-159 | unknown | LEGACY | Jun 26, 2025 | abuse@ |
Network & registry
Announced by
Covering announcement 153.109.0.0/16
- Prefix
- 153.109.0.0/16
- Announced by
- AS559 SWITCH
- Type
- Business
- Proxy exits
- 20
- RPKI
- RPKI valid
- Netname
- ISW-MAIN-NET
- Registrant
- HES-SO Valais-Wallis
- RIR
- RIPE NCC
Origin network
AS559
CH
- Name
- SWITCH
- Type
- Education
- Registered
- Sep 1, 1993
- Domain
- switch.ch
- Website
- www.switch.ch/
- Industry
- Computer and Information Technology
- Spamhaus ASN-DROP
- not listed
- Tor exits
- 4
Routing timeline
Who has announced 153.109.0.0/16
153.109.0.0/16
Routing history
- Pattern
- Stable
- First seen
- May 2005
- Current origin since
- May 2005 · 21 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 153.109.0.0/16 | AS559 | /16 | RIPE | RPKI valid |
IRR
Route objects on 153.109.0.0/16
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS559 | RIPE | ISW-MAIN-NET | AS559-MNT | Sep 22, 2001 |
Whois
Registration for this announcement
- Range
- 153.
109. 0. 0/ 16 - Netname
- ISW-MAIN-NET
- Registrant
- HES-SO Valais-Wallis
- Registrant country
- CH
- Organization
- HES-SO Valais-Wallis (ORG-HV16-RIPE)
- Org country
- CH
- Type
- LEGACY
- Created
- Not stated by the registry
- Updated
- Jul 4, 2025
- Maintainer
- RIPE-NCC-LEGACY-MNT
- RIR
- RIPE NCC
- Country
- CH
- Delegated
- Sep 24, 1991
- Status
- assigned
Report abuse
Abuse contact
- abuse@
vsnet. ch - Name
- VSnet abuse-c
- Handle
- VA38351-RIPE