Data as of Nov 11, 2026
31.7.243.72/29
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 |
|---|---|---|---|---|---|---|
| 31.7.240.0/21 | 2,048 | CZ-WIA-20110414 | WIA spol. s.r.o. (ORG-WSS1-RIPE) · CZ | ALLOCATED PA | Apr 14, 2011 | abuse@ |
| └ 31.7.243.72/29 | 8 | POP-PRAHA-STERBOHOLSKA | WIA POP Prague - Sterboholska | ASSIGNED PA | Oct 16, 2014 | abuse@ via CZ-WIA-20110414 |
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 31.7.240.0/21
- Prefix
- 31.7.240.0/21
- Announced by
- AS21430 WIA spol. s.r.o.
- Type
- Residential
- Proxy exits
- 9
- Always-on exits
- 1
- RPKI
- RPKI valid
- Netname
- CZ-WIA-20110414
- 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 31.7.240.0/21
31.7.240.0/21
Routing history
- Pattern
- Stable
- First seen
- Jul 2011
- Current origin since
- Jul 2011 · 15 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 31.7.240.0/21 | AS21430 | /21 | RIPE | RPKI valid |
IRR
Route objects on 31.7.240.0/21
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS21430 | RIPE | WIA spol. s.r.o. | WIA-AS-MNT | Jul 20, 2011 |
Whois
Registration for this announcement
- Range
- 31.
7. 240. 0/ 21 - Netname
- CZ-WIA-20110414
- 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
- Apr 14, 2011
- Updated
- Apr 14, 2016
- Maintainer
- RIPE-NCC-HM-MNT
- RIR
- RIPE NCC
- Country
- CZ
- Delegated
- Apr 14, 2011
- Status
- assigned
Report abuse
Abuse contact
- abuse@
wia. cz - Name
- WIA Abuse Contact
- Handle
- WAC9-RIPE