Data as of Nov 3, 2026
138.131.0.0/16
No anonymizer space · no proxy exits in 30 daysSWITCH · space held by CSEM Centre Suisse d'Electronique et de Microtechnique SA - Recherche et Developpement
Network & registry
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 this prefix
Summary
Routing history
- Pattern
- Stable
- First seen
- May 2005
- Current origin since
- May 2005 · 21 yr
- Origin networks
- 1
Whois
Registration for this announcement
- Range
- 138.131.0.0/16
- Netname
- CSEMNE
- Registrant
- CSEM Centre Suisse d'Electronique et de Microtechnique SA - Recherche et Developpement
- Registrant country
- CH
- Organization
- CSEM Centre Suisse d'Electronique et de Microtechnique SA - Recherche et Developpement (ORG-CCSD21-RIPE)
- Org country
- CH
- Type
- LEGACY
- Created
- Not stated by the registry
- Updated
- Apr 5, 2024
- Maintainer
- RIPE-NCC-LEGACY-MNT
- RIR
- RIPE NCC
- Country
- CH
- Delegated
- May 18, 1990
- Status
- assigned
Report abuse
Abuse contact
- [email protected]
- Name
- Abuse-C Role
- Handle
- AR31932-RIPE