Data as of Nov 10, 2026
85.71.2.0/24
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 |
|---|---|---|---|---|---|
| 85.70.0.0/15 since Jul 2005 | AS5610 | Residential | 662 55 always on | O2 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 |
|---|---|---|---|---|---|---|
| 85.70.0.0/15 | 131,072 | CZ-CZNET-20041102 | O2 Czech Republic, a.s. (ORG-STAN1-RIPE) · CZ | ALLOCATED PA | Nov 2, 2004 | abuse@ |
| └ 85.71.2.0/24 | 256 | NEXTEL-XDSL | XDSL Network-ADSL | ASSIGNED PA | Sep 23, 2005 | abuse@ via CZ-CZNET-20041102 |
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 85.71.0.0/16
- Prefix
- 85.71.0.0/16
- Announced by
- AS5610 O2 Czech Republic, a.s.
- Type
- Residential
- Proxy exits
- 313
- Always-on exits
- 17
- RPKI
- RPKI valid
- Netname
- CZ-CZNET-20041102
- Registrant
- O2 Czech Republic, a.s.
- RIR
- RIPE NCC
Routing timeline
Covering aggregate above, the prefix's own history below
85.71.0.0/16
Routing history
- Pattern
- Stable
- First seen
- Jul 2005
- Current origin since
- Jul 2005 · 21 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 85.71.0.0/16 | AS5610 | /16 | RIPE | RPKI valid |
| 85.70.0.0/15 | AS5610 | /15 | RIPE | Too specific |
IRR
Route objects on 85.71.0.0/16
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS5610 | RIPE | xDSL services | AS5610-MTN | Nov 9, 2012 |
Whois
Registration for this announcement
- Range
- 85.
70. 0. 0/ 15 - Netname
- CZ-CZNET-20041102
- 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
- Nov 2, 2004
- Updated
- Dec 18, 2018
- Maintainer
- RIPE-NCC-HM-MNT
- RIR
- RIPE NCC
- Country
- CZ
- Delegated
- Nov 2, 2004
- Status
- assigned
Report abuse
Abuse contact
- abuse@
o2. cz - Name
- Abuse-C Role
- Handle
- AR14410-RIPE