Data as of Nov 11, 2026
77.236.210.0/24
No anonymizer space · no proxy exits in 30 daysCEZNET 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 |
|---|---|---|---|---|---|---|
| 77.236.192.0/19 | 8,192 | CZ-CEZNET21-20070130 | CEZNET s.r.o. (ORG-TBS13-RIPE) · CZ | ALLOCATED PA | Jan 30, 2007 | dohled@ |
| └ 77.236.210.0/24 | 256 | ZERON-CZ | Company: Zeron s.r.o, Hlinsko, Czech Republic | ASSIGNED PA | Apr 2, 2007 | dohled@ via CZ-CEZNET21-20070130 |
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 77.236.192.0/19
- Prefix
- 77.236.192.0/19
- Announced by
- AS42306 CEZNET s.r.o.
- Type
- Residential
- Proxy exits
- 237
- Always-on exits
- 59
- RPKI
- No RPKI
- Netname
- CZ-CEZNET21-20070130
- Registrant
- CEZNET s.r.o.
- RIR
- RIPE NCC
Origin network
AS42306
CZ
- Name
- CEZNET s.r.o.
- Type
- Internet provider
- Registered
- Jan 30, 2007
- Domain
- edera.cz
- Website
- www.edera.cz
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced 77.236.192.0/19
77.236.192.0/19
Routing history
- Pattern
- Stable
- First seen
- Mar 2007
- Current origin since
- Mar 2007 · 20 yr
- Origin networks
- 1
IRR
Route objects on 77.236.192.0/19
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS42306 | RIPE | Network of Edera.cz | MNT-BLUE4 | Mar 6, 2020 |
Whois
Registration for this announcement
- Range
- 77.
236. 192. 0/ 19 - Netname
- CZ-CEZNET21-20070130
- Registrant
- CEZNET s.r.o.
- Registrant country
- CZ
- Organization
- CEZNET s.r.o. (ORG-TBS13-RIPE)
- Org country
- CZ
- Type
- ALLOCATED PA
- Created
- Jan 30, 2007
- Updated
- Oct 5, 2026
- Maintainer
- RIPE-NCC-HM-MNT
- RIR
- RIPE NCC
- Country
- CZ
- Delegated
- Jan 30, 2007
- Status
- assigned
Report abuse
Abuse contact
- dohled@
ceznet. cz - Name
- CEZNET hostmaster
- Handle
- CH13482-RIPE