Data as of Nov 10, 2026
80.188.136.0/23
No anonymizer space · no proxy exits in 30 daysO2 Czech Republic, a.s.
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 80.188.0.0/16 since May 2005 | AS5610 | Residential | 150 6 always on | O2 Czech Republic, a.s. |
Network & registry
Announced by
Covering announcement 80.188.128.0/17
- Prefix
- 80.188.128.0/17
- Announced by
- AS5610 O2 Czech Republic, a.s.
- Type
- Residential
- Proxy exits
- 63
- Always-on exits
- 2
- RPKI
- RPKI valid
- Netname
- CZ-CZNET-20020613
- Registrant
- O2 Czech Republic, a.s.
- RIR
- RIPE NCC
Routing timeline
Covering aggregate above, the prefix's own history below
80.188.128.0/17
Routing history
- Pattern
- Stable
- First seen
- May 2005
- Current origin since
- Aug 2025 · 1.2 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 80.188.128.0/17 | AS5610 | /17 | RIPE | RPKI valid |
| 80.188.0.0/16 | AS5610 | /16 | RIPE | Too specific |
Whois
Registration for this announcement
- Range
- 80.
188. 0. 0/ 16 - Netname
- CZ-CZNET-20020613
- 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
- Jun 13, 2002
- Updated
- Dec 18, 2018
- Maintainer
- RIPE-NCC-HM-MNT
- RIR
- RIPE NCC
- Country
- CZ
- Delegated
- Jun 13, 2002
- Status
- assigned
Report abuse
Abuse contact
- abuse@
o2. cz - Name
- Abuse-C Role
- Handle
- AR14410-RIPE