Data as of Nov 10, 2026
79.142.158.0/23
No anonymizer space · no proxy exits in 30 daysCore4Net, s.r.o.
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 |
|---|---|---|---|---|---|---|
| 79.142.144.0/20 | 4,096 | CZ-CORE4NET-20101008 | Core4Net, s.r.o. (ORG-CS455-RIPE) · CZ | ALLOCATED PA | Oct 8, 2010 | abuse@ |
| └ 79.142.158.0/23 | 512 | BNET-INFRASTRUCTURE | BNET Business, s.r.o. (ORG-BBS15-RIPE) | ASSIGNED PA | Oct 27, 2010 | abuse@ |
Network & registry
Announced by
Covering announcement 79.142.144.0/20
- Prefix
- 79.142.144.0/20
- Announced by
- AS197307 Core4Net, s.r.o.
- Type
- Residential
- Proxy exits
- 90
- Always-on exits
- 11
- RPKI
- RPKI valid
- Netname
- CZ-CORE4NET-20101008
- Registrant
- Core4Net, s.r.o.
- RIR
- RIPE NCC
Origin network
AS197307
CZ
- Name
- Core4Net, s.r.o.
- Type
- Internet provider
- Registered
- Oct 11, 2010
- Domain
- bnet-internet.cz
- Website
- bnet-internet.cz/
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced 79.142.144.0/20
79.142.144.0/20
Routing history
- Pattern
- Stable
- First seen
- Aug 2011
- Current origin since
- Aug 2011 · 15 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 79.142.144.0/20 | AS197307 | /20 | RIPE | RPKI valid |
IRR
Route objects on 79.142.144.0/20
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS197307 | RIPE | BNET Business, s.r.o. / Primary IPv4 route | CZ-BNET-BUSINESS-1-MNT | May 22, 2026 |
Whois
Registration for this announcement
- Range
- 79.
142. 144. 0/ 20 - Netname
- CZ-CORE4NET-20101008
- Registrant
- Core4Net, s.r.o.
- Registrant country
- CZ
- Organization
- Core4Net, s.r.o. (ORG-CS455-RIPE)
- Org country
- CZ
- Type
- ALLOCATED PA
- Created
- Oct 8, 2010
- Updated
- May 23, 2026
- Maintainer
- RIPE-NCC-HM-MNT
- RIR
- RIPE NCC
- Country
- CZ
- Delegated
- Oct 8, 2010
- Status
- assigned
Report abuse
Abuse contact
- abuse@
core4net. cz - Name
- Abuse-C Role
- Handle
- AR38476-RIPE