81.0.210.0/23 - WIA Spol. S.R.O (AS21430)
CIDR
81.0.210.0/23
IP Version
IPv4
Addresses
512
Mask
/23 (255.255.254.0)
Country
๐จ๐ฟ Czechia
City
Prague
RIR
RIPE NCC
Status
allocated
Allocated
2001-12-14
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
Swipe sideways to see all columns โ
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 81.0.210.0/23 | AS21430 WIA-AS WIA spol. s.r.o. | Valid | RIPE | 2026-10-12 |
RPKI ROAs
| Prefix | Origin | Max Length | Trust Anchor |
|---|---|---|---|
| 81.0.210.0/23 | AS21430 | /23 | ripe |
IRR Route Objects
| Origin | Registry | Maintainer | Modified |
|---|---|---|---|
| AS21430 | RIPE | CASABLANCA-CORE-MNT | 2019-09-03 |
More Specific Prefixes
| Prefix | AS | Country | Status |
|---|---|---|---|
| 81.0.210.0/29 | ๐จ๐ฟCZ | assigned | |
| 81.0.210.8/29 | ๐จ๐ฟCZ | assigned | |
| 81.0.210.16/29 | ๐จ๐ฟCZ | assigned | |
| 81.0.210.24/29 | ๐จ๐ฟCZ | assigned | |
| 81.0.210.32/29 | ๐จ๐ฟCZ | assigned | |
| 81.0.210.40/29 | ๐จ๐ฟCZ | assigned | |
| 81.0.210.48/29 | ๐จ๐ฟCZ | assigned | |
| 81.0.210.72/29 | ๐จ๐ฟCZ | assigned | |
| 81.0.210.80/29 | ๐จ๐ฟCZ | assigned | |
| 81.0.210.88/29 | ๐จ๐ฟCZ | assigned | |
| 81.0.210.96/29 | ๐จ๐ฟCZ | assigned | |
| 81.0.210.104/29 | ๐จ๐ฟCZ | assigned | |
| 81.0.210.112/29 | ๐จ๐ฟCZ | assigned | |
| 81.0.210.128/29 | ๐จ๐ฟCZ | assigned | |
| 81.0.210.144/30 | ๐จ๐ฟCZ | assigned | |
| 81.0.210.176/29 | ๐จ๐ฟCZ | assigned | |
| 81.0.210.200/29 | ๐จ๐ฟCZ | assigned | |
| 81.0.210.208/29 | ๐จ๐ฟCZ | assigned | |
| 81.0.210.232/29 | ๐จ๐ฟCZ | assigned | |
| 81.0.210.240/29 | ๐จ๐ฟCZ | assigned | |
| 81.0.210.252/30 | ๐จ๐ฟCZ | assigned | |
| 81.0.211.0/30 | ๐จ๐ฟCZ | assigned | |
| 81.0.211.8/30 | ๐จ๐ฟCZ | assigned | |
| 81.0.211.12/30 | ๐จ๐ฟCZ | assigned | |
| 81.0.211.16/30 | ๐จ๐ฟCZ | assigned | |
| 81.0.211.20/30 | ๐จ๐ฟCZ | assigned | |
| 81.0.211.28/30 | ๐จ๐ฟCZ | assigned | |
| 81.0.211.36/30 | ๐จ๐ฟCZ | assigned | |
| 81.0.211.40/30 | ๐จ๐ฟCZ | assigned | |
| 81.0.211.44/30 | ๐จ๐ฟCZ | assigned | |
| 81.0.211.56/30 | ๐จ๐ฟCZ | assigned | |
| 81.0.211.60/30 | ๐จ๐ฟCZ | assigned | |
| 81.0.211.72/30 | ๐จ๐ฟCZ | assigned | |
| 81.0.211.76/30 | ๐จ๐ฟCZ | assigned | |
| 81.0.211.80/30 | ๐จ๐ฟCZ | assigned | |
| 81.0.211.84/30 | ๐จ๐ฟCZ | assigned | |
| 81.0.211.88/30 | ๐จ๐ฟCZ | assigned | |
| 81.0.211.92/30 | ๐จ๐ฟCZ | assigned | |
| 81.0.211.96/27 | ๐จ๐ฟCZ | assigned | |
| 81.0.211.128/26 | ๐จ๐ฟCZ | assigned | |
| 81.0.211.192/30 | ๐จ๐ฟCZ | assigned | |
| 81.0.211.196/30 | ๐จ๐ฟCZ | assigned | |
| 81.0.211.200/30 | ๐จ๐ฟCZ | assigned | |
| 81.0.211.204/30 | ๐จ๐ฟCZ | assigned | |
| 81.0.211.212/30 | ๐จ๐ฟCZ | assigned | |
| 81.0.211.216/30 | ๐จ๐ฟCZ | assigned | |
| 81.0.211.220/30 | ๐จ๐ฟCZ | assigned | |
| 81.0.211.224/27 | ๐จ๐ฟCZ | assigned |
Transfer History
Registry transfers of 81.0.210.0/23, blocks inside it, or blocks containing it.
- 81.0.210.0/23Transfer ยท
- 81.0.192.0/18M&A ยท
| Date | Resource | From | To | Type |
|---|---|---|---|---|
| 81.0.210.0/23 | 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 โGeolocation
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/81.0.210.0/23Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/81.0.210.0/23" | jq
External Links