Data as of Nov 11, 2026
95.143.136.0/24
No anonymizer space · no proxy exits in 30 daysO2 Czech Republic, a.s.
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 |
|---|---|---|---|---|---|---|
| 95.143.128.0/20 | 4,096 | CZ-CZNET-20090825 | O2 Czech Republic, a.s. (ORG-STAN1-RIPE) · CZ | ALLOCATED PA | Jul 14, 2020 | abuse@ |
| └ 95.143.136.0/24 | 256 | LTNET_ | Litomerice | ASSIGNED PA | Jun 5, 2026 | abuse@ via CZ-CZNET-20090825 |
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 95.143.128.0/20
- Prefix
- 95.143.128.0/20
- Announced by
- AS16246 O2 Czech Republic, a.s.
- Type
- Residential
- RPKI
- RPKI valid
- Netname
- CZ-CZNET-20090825
- Registrant
- O2 Czech Republic, a.s.
- RIR
- RIPE NCC
Origin network
AS16246
CZ
- Name
- O2 Czech Republic, a.s.
- Type
- Internet provider
- Registered
- Feb 7, 2001
- Domain
- o2.cz
- Website
- www.nej.cz
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced 95.143.128.0/20
95.143.128.0/20
Routing history
- Pattern
- Rotating
- First seen
- Jan 2010
- Current origin since
- Feb 2022 · 4.7 yr
- Origin networks
- 4
- Last change of origin
- Feb 2022
Recorded history
History
- Handoffs
- 6
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 95.143.128.0/20 | AS16246 | /20 | RIPE | RPKI valid |
IRR
Route objects on 95.143.128.0/20
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS16246 | RIPE | KTVTRINEC-MNT | Feb 25, 2022 |
Whois
Registration for this announcement
- Range
- 95.
143. 128. 0/ 20 - Netname
- CZ-CZNET-20090825
- Registrant
- O2 Czech Republic, a.s.
- Registrant country
- CZ
- Organization
- O2 Czech Republic, a.s. (ORG-STAN1-RIPE)
- Org country
- CZ
- Type
- ALLOCATED PA
- Created
- Jul 14, 2020
- Updated
- Jun 20, 2024
- Maintainer
- RIPE-NCC-HM-MNT
- RIR
- RIPE NCC
- Country
- CZ
- Delegated
- Aug 25, 2009
- Status
- assigned
Report abuse
Abuse contact
- abuse@
o2. cz - Name
- Abuse-C Role
- Handle
- AR14410-RIPE