209.56.0.0/16
🇺🇸CIDR
209.56.0.0/16
IP Version
IPv4
Addresses
65.5K
Mask
/16 (255.255.0.0)
Country
🇺🇸 United States
City
Des Moines (Easton Place)
RIR
ARIN
Status
allocated
Allocated
3/11/1997
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 209.56.0.0/16 | AS6122ICN-AS - Iowa Communications Network | Valid | RADB | 5/31/2026 |
Covering Prefix
4 less-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 209.56.112.0/23 | AS26946KIRKWOOD-COMMUNTIY-COLLEGE - Kirkwood Community College | Valid | — | 5/31/2026 |
| 209.56.158.0/23 | AS26946KIRKWOOD-COMMUNTIY-COLLEGE - Kirkwood Community College | Valid | — | 5/31/2026 |
| 209.56.188.0/23 | AS27316EICCD - Eastern Iowa Community College District | Valid | — | 5/31/2026 |
| 209.56.124.0/24 | AS6122ICN-AS - Iowa Communications Network | Valid | — | 5/31/2026 |
Geolocation
API
Open https://api.ipctl.io/v1/prefix/209.56.0.0/16Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/209.56.0.0/16" | jq
External Links