Data as of Nov 3, 2026
131.173.241.0/24
5 residential-proxy exits · 30 daysVerein zur Foerderung eines Deutschen Forschungsnetzes e.V. · space held by Universitaet Osnabrueck
Residential-proxy exits
Proxy exits
5
2.0% of its addresses · 30 days
Providers
4
selling exits here
Oct 4, 2026 – Nov 2, 2026
Exits seen per day
29 observations
Proxy providers listing exits
- NovaProxy
- RainProxy
- Shifter
- VantageProxies
Network & registry
Announced by
Covering announcement 131.173.0.0/16
- Prefix
- 131.173.0.0/16
- Announced by
- AS680 Verein zur Foerderung eines Deutschen Forschungsnetzes e.V.
- Type
- Business
- Proxy exits
- 71
- RPKI
- RPKI valid
- Netname
- UOS
- Registrant
- Universitaet Osnabrueck
- RIR
- RIPE NCC
Origin network
AS680
DE
- Name
- Verein zur Foerderung eines Deutschen Forschungsnetzes e.V.
- Type
- Education
- Registered
- Sep 1, 1993
- Domain
- dfn.de
- Website
- www.dfn.de
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
- Tor exits
- 2
Routing timeline
Who has announced 131.173.0.0/16
131.173.0.0/16
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 |
|---|---|---|---|---|
| 131.173.0.0/16 | AS680 | /16 | RIPE | RPKI valid |
IRR
Route objects on 131.173.0.0/16
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS680 | RIPE | UOS | DFN-MNT | Sep 22, 2001 |
Whois
Registration for this announcement
- Range
- 131.173.0.0/16
- Netname
- UOS
- Registrant
- Universitaet Osnabrueck
- Registrant country
- DE
- Organization
- Universitaet Osnabrueck (ORG-UO154-RIPE)
- Org country
- DE
- Type
- LEGACY
- Created
- Not stated by the registry
- Updated
- Jun 6, 2025
- Maintainer
- RIPE-NCC-LEGACY-MNT
- RIR
- RIPE NCC
- Country
- DE
- Delegated
- Dec 16, 1988
- Status
- assigned
Report abuse
Abuse contact
- [email protected]
- Name
- DFN Hostmaster
- Handle
- DH5989-RIPE