Data as of Nov 7, 2026
185.116.48.0/22
No anonymizer space · no proxy exits in 30 daysCEZNET s.r.o.
Announcements
More specific
Announcements inside
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 185.116.51.0/24 since May 2021 | AS204064 | Residential | CEZNET s.r.o. |
Registrations in this block
The registry's network records over the announcement: those covering it, widest first, then every record inside it, under its parent.
| Range | Addresses | Netname | Holder | Type | Created | Abuse contact |
|---|---|---|---|---|---|---|
| 185.116.48.0/22 | 1,024 | CZ-CEZNET21-20150907 | CEZNET s.r.o. (ORG-TBS13-RIPE) · CZ | ALLOCATED PA | Oct 17, 2023 | dohled@ |
| └ 185.116.48.0/23 | 512 | CEZNET | CEZNET s.r.o. (ORG-TBS13-RIPE) · CZ | ASSIGNED PA | Jun 28, 2016 | dohled@ |
| └ 185.116.50.0/24 | 256 | CEZNET | CEZNET s.r.o. (ORG-TBS13-RIPE) · CZ | ASSIGNED PA | Aug 22, 2020 | dohled@ |
| └ 185.116.51.0/24 | 256 | ISPALLIANCE_ | ISP Alliance (ORG-IA1793-RIPE) · CZ | ASSIGNED PA | Aug 22, 2020 | noc@ |
Network & registry
Origin network
AS204064
CZ
- Name
- CEZNET s.r.o.
- Type
- Internet provider
- Registered
- Sep 3, 2015
- Domain
- ceznet.cz
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced this prefix
Summary
Routing history
- Pattern
- Stable
- First seen
- Feb 2017
- Current origin since
- Feb 2017 · 9.7 yr
- Origin networks
- 1
Whois
Registration for this announcement
- Range
- 185.
116. 48. 0/ 22 - Netname
- CZ-CEZNET21-20150907
- Registrant
- CEZNET s.r.o.
- Registrant country
- CZ
- Organization
- CEZNET s.r.o. (ORG-TBS13-RIPE)
- Org country
- CZ
- Type
- ALLOCATED PA
- Created
- Oct 17, 2023
- Updated
- Sep 12, 2025
- Maintainer
- RIPE-NCC-HM-MNT
- RIR
- RIPE NCC
- Country
- CZ
- Delegated
- Sep 7, 2015
- Status
- assigned
Report abuse
Abuse contact
- dohled@
ceznet. cz - Name
- CEZNET hostmaster
- Handle
- CH13482-RIPE