56.0.0.0/16
🇺🇸CIDR
56.0.0.0/16
IP Version
IPv4
Addresses
65.5K
Mask
/16 (255.255.0.0)
Country
🇺🇸 United States
City
Minneapolis
RIR
ARIN
Status
allocated
Allocated
11/2/1992
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 56.0.0.0/16 | AS5774USPS-001 - United States Postal Service | No ROA | — | 5/30/2026 |
Covering Prefix
12 less-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 56.0.64.0/19 | AS5774USPS-001 - United States Postal Service | No ROA | — | 5/30/2026 |
| 56.0.128.0/19 | AS5774USPS-001 - United States Postal Service | No ROA | — | 5/30/2026 |
| 56.0.32.0/20 | AS5774USPS-001 - United States Postal Service | No ROA | — | 5/30/2026 |
| 56.0.192.0/20 | AS5774USPS-001 - United States Postal Service | No ROA | — | 5/30/2026 |
| 56.0.208.0/20 | AS5774USPS-001 - United States Postal Service | No ROA | — | 5/30/2026 |
| 56.0.146.0/24 | AS5774USPS-001 - United States Postal Service | No ROA | — | 5/30/2026 |
| 56.0.91.0/24 | AS5774USPS-001 - United States Postal Service | No ROA | — | 5/30/2026 |
| 56.0.152.0/24 | AS5774USPS-001 - United States Postal Service | No ROA | — | 5/30/2026 |
| 56.0.155.0/24 | AS5774USPS-001 - United States Postal Service | No ROA | — | 5/30/2026 |
| 56.0.151.0/24 | AS5774USPS-001 - United States Postal Service | No ROA | — | 5/30/2026 |
| 56.0.95.0/24 | AS5774USPS-001 - United States Postal Service | No ROA | — | 5/30/2026 |
| 56.0.103.0/24 | AS5774USPS-001 - United States Postal Service | No ROA | — | 5/30/2026 |
Geolocation
API
Open https://api.ipctl.io/v1/prefix/56.0.0.0/16Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/56.0.0.0/16" | jq
External Links