Data as of Nov 13, 2026
217.11.231.136/29
No anonymizer space · no proxy exits in 30 daysWIA spol. s.r.o.
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 |
|---|---|---|---|---|---|---|
| 217.11.231.0/24 | 256 | CZ-WIA-20000823 | WIA spol. s.r.o. (ORG-WSS1-RIPE) · CZ | ALLOCATED PA | Jul 28, 2022 | abuse@ |
| └ 217.11.231.136/29 | 8 | JudrIgor-CZ | Igor Ivanko JUDr. | ASSIGNED PA | Jun 7, 2013 | abuse@ via CZ-WIA-20000823 |
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 217.11.231.0/24
- Prefix
- 217.11.231.0/24
- Announced by
- AS21430 WIA spol. s.r.o.
- Type
- Residential
- RPKI
- RPKI valid
- Netname
- CZ-WIA-20000823
- Registrant
- WIA spol. s.r.o.
- RIR
- RIPE NCC
Origin network
AS21430
CZ
- Name
- WIA spol. s.r.o.
- Type
- Internet provider
- Registered
- Dec 7, 2001
- Domain
- wia.cz
- Website
- www.wia.cz/
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced 217.11.231.0/24
217.11.231.0/24
Routing history
- Pattern
- Stable
- First seen
- Sep 2019
- Current origin since
- Sep 2019 · 7.2 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 217.11.231.0/24 | AS21430 | /24 | RIPE | RPKI valid |
IRR
Route objects on 217.11.231.0/24
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS21430 | RIPE | CASA to WIA transfer | CASABLANCA-CORE-MNT WIA-AS-MNT | Sep 3, 2019 |
Whois
Registration for this announcement
- Range
- 217.
11. 231. 0/ 24 - Netname
- CZ-WIA-20000823
- Registrant
- WIA spol. s.r.o.
- Registrant country
- CZ
- Organization
- WIA spol. s.r.o. (ORG-WSS1-RIPE)
- Org country
- CZ
- Type
- ALLOCATED PA
- Created
- Jul 28, 2022
- Updated
- Jul 28, 2022
- Maintainer
- WIA-AS-MNT
- RIR
- RIPE NCC
- Country
- CZ
- Delegated
- Aug 23, 2000
- Status
- assigned
Report abuse
Abuse contact
- abuse@
wia. cz - Name
- WIA Abuse Contact
- Handle
- WAC9-RIPE