51.54.0.0/15
🇺🇸CIDR
51.54.0.0/15
IP Version
IPv4
Addresses
131K
Mask
/15 (255.254.0.0)
Country
🇺🇸 United States
City
Phoenix
RIR
RIPENCC
Status
assigned
Allocated
9/1/1993
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 51.54.0.0/15 | AS8070MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | Valid | — | 6/1/2026 |
RPKI ROAs
| Prefix | Origin | Max Length | Trust Anchor |
|---|---|---|---|
| 51.54.0.0/15 | AS8070 | /15 | ripe |
Geolocation
API
Open https://api.ipctl.io/v1/prefix/51.54.0.0/15Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/51.54.0.0/15" | jq
External Links