185.4.20.0/22 - ALPHALINK SASU (AS25540)
CIDR
185.4.20.0/22
IP Version
IPv4
Addresses
1K
Mask
/22 (255.255.252.0)
Country
🇫🇷 France
City
Mormant
RIR
RIPE NCC
Status
allocated
Allocated
2012-09-24
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
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| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 185.4.20.0/22 | AS25540 ALPHALINK-AS Alphalink SASU | Valid | RIPE | 2026-10-11 |
RPKI ROAs
| Prefix | Origin | Max Length | Trust Anchor |
|---|---|---|---|
| 185.4.20.0/22 | AS25540 | /23 | ripe |
IRR Route Objects
| Origin | Registry | Maintainer | Modified |
|---|---|---|---|
| AS25540 | RIPE | alphalink-mnt | 2012-10-01 |
More Specific Prefixes
| Prefix | AS | Country | Status |
|---|---|---|---|
| 185.4.20.0/23 | 🇫🇷FR | assigned | |
| 185.4.22.0/23 | 🇫🇷FR | assigned |
Origin ASN
AS25540
ALPHALINK-AS Alphalink SASU
Related Prefixes
More prefixes of AS25540
All prefixes of AS25540 →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/185.4.20.0/22Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/185.4.20.0/22" | jq
External Links