Data as of Nov 3, 2026
157.161.22.0/24
1 residential-proxy exit · 30 daysImproWare AG
Residential-proxy exits
Proxy exits
1
0.39% of its addresses · 30 days
Providers
2
selling exits here
Oct 4, 2026 – Nov 2, 2026
Exits seen per day
2 observations
Proxy providers listing exits
- FastProxy
- LemonBright
Network & registry
Announced by
Covering announcement 157.161.0.0/16
- Prefix
- 157.161.0.0/16
- Announced by
- AS6772 ImproWare AG
- Type
- Residential
- Proxy exits
- 3
- RPKI
- RPKI valid
- Netname
- IMPROWARE
- Registrant
- ImproWare AG
- RIR
- RIPE NCC
Origin network
AS6772
CH
- Name
- ImproWare AG
- Type
- Internet provider
- Registered
- Sep 24, 1996
- Domain
- imp.ch
- Website
- www.imp.ch
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced 157.161.0.0/16
157.161.0.0/16
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 |
|---|---|---|---|---|
| 157.161.0.0/16 | AS6772 | /16 | RIPE | RPKI valid |
IRR
Route objects on 157.161.0.0/16
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS6772 | RIPE | ImproWare AG | IMPNET-MNT | Nov 1, 2001 |
Whois
Registration for this announcement
- Range
- 157.161.0.0/16
- Netname
- IMPROWARE
- Registrant
- ImproWare AG
- Registrant country
- CH
- Organization
- ImproWare AG (ORG-IA5-RIPE)
- Org country
- CH
- Type
- LEGACY
- Created
- Not stated by the registry
- Updated
- Apr 7, 2026
- Maintainer
- RIPE-NCC-LEGACY-MNT
- RIR
- RIPE NCC
- Country
- CH
- Delegated
- Apr 7, 2004
- Status
- assigned
Report abuse
Abuse contact
- [email protected]
- Name
- Hostmaster ImproWare Network Services AG
- Handle
- IMP4-RIPE