81.0.244.0/23 - WIA Spol. S.R.O (AS21430)
CIDR
81.0.244.0/23
IP Version
IPv4
Addresses
512
Mask
/23 (255.255.254.0)
Country
🇨🇿 Czechia
City
Cheb
RIR
RIPE NCC
Status
allocated
Allocated
2001-12-14
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
Swipe sideways to see all columns →
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 81.0.244.0/23 | AS21430 WIA-AS WIA spol. s.r.o. | Valid | RIPE | 2026-10-11 |
RPKI ROAs
| Prefix | Origin | Max Length | Trust Anchor |
|---|---|---|---|
| 81.0.244.0/23 | AS21430 | /23 | ripe |
IRR Route Objects
| Origin | Registry | Maintainer | Modified |
|---|---|---|---|
| AS21430 | RIPE | CASABLANCA-CORE-MNT | 2021-10-07 |
More Specific Prefixes
| Prefix | AS | Country | Status |
|---|---|---|---|
| 81.0.245.64/27 | 🇨🇿CZ | assigned | |
| 81.0.245.96/27 | 🇨🇿CZ | assigned | |
| 81.0.245.128/26 | 🇨🇿CZ | assigned | |
| 81.0.245.224/27 | 🇨🇿CZ | assigned |
Transfer History
Registry transfers of 81.0.244.0/23, blocks inside it, or blocks containing it.
- 81.0.244.0/23Transfer ·
- 81.0.192.0/18M&A ·
| Date | Resource | From | To | Type |
|---|---|---|---|---|
| 81.0.244.0/23 | CASABLANCA INT a.s. | WIA spol. s.r.o. | Transfer | |
| 81.0.192.0/18 | Casablanca INT | CASABLANCA INT a.s. | M&A |
Origin ASN
AS21430
WIA-AS WIA spol. s.r.o.
Related Prefixes
More prefixes of AS21430
All prefixes of AS21430 →Geolocation
Abuse Contact
Learn more
- RPKI and ROAs explainedWhat RPKI valid, invalid and no ROA mean
- RPKI validatorCheck ROA coverage for any prefix or ASN
- What is BGP?How prefixes are announced and routed
- More-specific prefixesGlossary: covering and more-specific routes
- IPv4 transfers in the RIPE NCC regionWho bought and sold address space recently
API
Open https://api.ipctl.io/v1/prefix/81.0.244.0/23Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/81.0.244.0/23" | jq
External Links