Data as of Nov 4, 2026
31.11.28.0/25
No anonymizer space · no proxy exits in 30 daysImproWare AG
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 |
|---|---|---|---|---|---|---|
| 31.11.0.0/19 | 8,192 | CH-IMPROWARE-20110414 | ImproWare AG (ORG-IA5-RIPE) · CH | ALLOCATED PA | Apr 14, 2011 | [email protected] |
| └ 31.11.28.0/25 | 128 | BREITBAND-NET | DOCSIS or FTTH DHCP Pools | ASSIGNED PA | Jun 25, 2024 | [email protected] via CH-IMPROWARE-20110414 |
A contact marked “via” is the registry's: the record names none of its own, so the registry hands down its parent's.
Network & registry
Announced by
Covering announcement 31.11.0.0/19
- Prefix
- 31.11.0.0/19
- Announced by
- AS6772 ImproWare AG
- Type
- Residential
- Proxy exits
- 44
- Always-on exits
- 2
- RPKI
- RPKI valid
- Netname
- CH-IMPROWARE-20110414
- 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 31.11.0.0/19
31.11.0.0/19
Routing history
- Pattern
- Stable
- First seen
- Jun 2011
- Current origin since
- Jun 2011 · 15 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 31.11.0.0/19 | AS6772 | /19 | RIPE | RPKI valid |
IRR
Route objects on 31.11.0.0/19
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS6772 | RIPE | ImproWare AG | IMPNET-MNT | May 3, 2011 |
Whois
Registration for this announcement
- Range
- 31.11.0.0/19
- Netname
- CH-IMPROWARE-20110414
- Registrant
- ImproWare AG
- Registrant country
- CH
- Organization
- ImproWare AG (ORG-IA5-RIPE)
- Org country
- CH
- Type
- ALLOCATED PA
- Created
- Apr 14, 2011
- Updated
- Dec 10, 2020
- Maintainer
- RIPE-NCC-HM-MNT
- RIR
- RIPE NCC
- Country
- CH
- Delegated
- Apr 14, 2011
- Status
- assigned
Report abuse
Abuse contact
- [email protected]
- Name
- Hostmaster ImproWare Network Services AG
- Handle
- IMP4-RIPE