185.21.154.0/23
🇫🇷CIDR
185.21.154.0/23
IP Version
IPv4
Addresses
512
Mask
/23 (255.255.254.0)
Country
🇫🇷 France
City
Asnières-sur-Seine
RIR
RIPENCC
Status
announced
Allocated
-
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 185.21.154.0/23 | AS13273ALTERWAY-OPS Alter Way SAS | Valid | RIPE | 6/1/2026 |
Covering Prefix
1 less-specific announcement| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 185.21.152.0/22 | AS13273ALTERWAY-OPS Alter Way SAS | Valid | — | 6/1/2026 |
Origin ASN
AS13273
ALTERWAY-OPS Alter Way SAS
Geolocation
Abuse Contact
API
Open https://api.ipctl.io/v1/prefix/185.21.154.0/23Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/185.21.154.0/23" | jq
External Links