Data as of Nov 12, 2026
81.91.210.0/27
No anonymizer space · no proxy exits in 30 daysOVANET · space held by OvaNet, 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 |
|---|---|---|---|---|---|---|
| 81.91.208.0/20 | 4,096 | CZ-OVANETWORK-20060427 | OvaNet, a.s. (ORG-OA141-RIPE) · CZ | ALLOCATED PA | Apr 27, 2006 | abuse@ |
| └ 81.91.210.0/27 | 32 | OVANET-CUSTOMER-NAT-SUBNETS_ | OVANET Customers NAT services | ASSIGNED PA | Dec 9, 2016 | abuse@ via CZ-OVANETWORK-20060427 |
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 81.91.208.0/20
- Prefix
- 81.91.208.0/20
- Announced by
- AS39817 OVANET
- Type
- Residential
- Proxy exits
- 19
- RPKI
- RPKI valid
- Netname
- CZ-OVANETWORK-20060427
- Registrant
- OvaNet, a.s.
- RIR
- RIPE NCC
Origin network
AS39817
CZ
- Name
- OVANET
- Type
- Internet provider
- Registered
- Apr 28, 2006
- Domain
- ovanet.cz
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced 81.91.208.0/20
81.91.208.0/20
Routing history
- Pattern
- Stable
- First seen
- Jun 2006
- Current origin since
- Jun 2006 · 20 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 81.91.208.0/20 | AS39817 | /20 | RIPE | RPKI valid |
IRR
Route objects on 81.91.208.0/20
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS39817 | RIPE | OVANET - I. | MNT-OVANET | Apr 28, 2006 |
Whois
Registration for this announcement
- Range
- 81.
91. 208. 0/ 20 - Netname
- CZ-OVANETWORK-20060427
- Registrant
- OvaNet, a.s.
- Registrant country
- CZ
- Organization
- OvaNet, a.s. (ORG-OA141-RIPE)
- Org country
- CZ
- Type
- ALLOCATED PA
- Created
- Apr 27, 2006
- Updated
- Dec 4, 2016
- Maintainer
- RIPE-NCC-HM-MNT
- RIR
- RIPE NCC
- Country
- CZ
- Delegated
- Apr 27, 2006
- Status
- assigned
Report abuse
Abuse contact
- abuse@
ovanet. cz - Name
- Abuse-C Role
- Handle
- AR14454-RIPE