Data as of Nov 11, 2026
131.180.0.0/16
2 residential-proxy exits · 30 daysSurf B.V. · space held by Technische Universiteit Delft
Residential-proxy exits
Proxy exits
2
<0.01% of its addresses · 30 days
Spread
2 of 256
/24s with at least one exit
Providers
1
selling exits here
Oct 12, 2026 – Nov 10, 2026
Exits seen per day
2 observations
/24s with the most always-on exits
| /24 | Always-on exits | Proxy exits | |
|---|---|---|---|
| 131.180.240.0/24 | 0 | 1 | |
| 131.180.247.0/24 | 0 | 1 |
Proxy providers listing exits
- LemonBright
Network & registry
Origin network
AS1128
NL
- Name
- Surf B.V.
- Type
- Education
- Registered
- Sep 1, 1993
- Domain
- surf.nl
- Industry
- Computer and Information Technology
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced this prefix
Summary
Routing history
- Pattern
- Stable
- First seen
- May 2005
- Current origin since
- May 2005 · 22 yr
- Origin networks
- 1
Whois
Registration for this announcement
- Range
- 131.
180. 0. 0/ 16 - Netname
- DUNET
- Registrant
- Technische Universiteit Delft
- Registrant country
- NL
- Organization
- Technische Universiteit Delft (ORG-DUOT4-RIPE)
- Org country
- NL
- Type
- LEGACY
- Created
- Jan 6, 2004
- Updated
- Feb 25, 2026
- Maintainer
- RIPE-NCC-LEGACY-MNT
- RIR
- RIPE NCC
- Country
- NL
- Delegated
- Dec 22, 1988
- Status
- assigned
Report abuse
Abuse contact
- cert@
surfcert. nl - Name
- SURF Network Maintainer
- Handle
- SNS1-RIPE