216.240.208.0/20
🇺🇸CIDR
216.240.208.0/20
IP Version
IPv4
Addresses
4K
Mask
/20 (255.255.240.0)
Country
🇺🇸 United States
City
Burr Ridge
RIR
ARIN
Status
allocated
Allocated
11/5/1999
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 216.240.208.0/20 | AS401975RAILS - Reaching Across Illinois Library System | No ROA | — | 6/1/2026 |
Geolocation
API
Open https://api.ipctl.io/v1/prefix/216.240.208.0/20Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/216.240.208.0/20" | jq
External Links