Data as of Nov 13, 2026
80.78.139.0/24
No anonymizer space · no proxy exits in 30 daysO2 Czech Republic, a.s.
Network & registry
Announced by
Covering announcement 80.78.136.0/22
- Prefix
- 80.78.136.0/22
- Announced by
- AS42908 O2 Czech Republic, a.s.
- Type
- Residential
- Proxy exits
- 2
- Always-on exits
- 1
- RPKI
- RPKI valid
- Netname
- CZ-CZNET-20180814
- Registrant
- O2 Czech Republic, a.s.
- RIR
- RIPE NCC
Origin network
AS42908
CZ
- Name
- O2 Czech Republic, a.s.
- Type
- Internet provider
- Registered
- May 9, 2007
- Domain
- nordictelecom.cz
- Website
- www.nordictelecom.cz/
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced 80.78.136.0/22
80.78.136.0/22
Routing history
- Pattern
- Stable
- First seen
- May 2019
- Current origin since
- Nov 2019 · 7.0 yr
- Origin networks
- 2
- Last change of origin
- Nov 2019
Recorded history
History
- Handoffs
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 80.78.136.0/22 | AS42908 | /22 | RIPE | RPKI valid |
IRR
Route objects on 80.78.136.0/22
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS42908 | RIPE | MNT-NORDICTELECOM AS5610-MTN | Apr 1, 2025 |
Whois
Registration for this announcement
- Range
- 80.
78. 136. 0/ 22 - Netname
- CZ-CZNET-20180814
- 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
- Apr 1, 2025
- Updated
- Apr 1, 2025
- Maintainer
- AS5610-MTN
- RIR
- RIPE NCC
- Country
- CZ
- Delegated
- Aug 14, 2018
- Status
- assigned
Report abuse
Abuse contact
- abuse@
o2. cz - Name
- Abuse-C Role
- Handle
- AR14410-RIPE