81.0.231.128/29 - BGP Prefix
IPv4RIPEassigned RPKI Valid
CIDR
81.0.231.128/29
IP Version
IPv4
Addresses
8
Mask
/29 (255.255.255.248)
Country
🇨🇿 Czechia
City
Prague (Praha 3)
RIR
RIPE
Status
assigned
Allocated
-
Announced BGP Routes
0 of 0 routesRPKI:
IRR:
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| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| This prefix is not currently announced in BGP. See covering prefix below. | ||||
Covering Prefix
1 less-specific announcement| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 81.0.231.0/24 | AS15685 CASABLANCA-AS CASABLANCA INT a.s. | Valid | - | 2026-10-11 |
Transfer History
Registry transfers of 81.0.231.128/29, blocks inside it, or blocks containing it.
- 81.0.192.0/18M&A ·
| Date | Resource | From | To | Type |
|---|---|---|---|---|
| 81.0.192.0/18 | Casablanca INT | CASABLANCA INT a.s. | M&A |
Related Prefixes
Geolocation
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 transfer marketTransfers published by all five RIRs
API
Open https://api.ipctl.io/v1/prefix/81.0.231.128/29Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/81.0.231.128/29" | jq
External Links