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General Information
Name:
U.S. Department of Health & Human Services
Domain:
nih.gov
Country:
US
Type:
government
Registry:
ARIN
Prefix Counts
IPv4 Count:
67,584
IPv6 Count:
39,894,552,047,282,762,765,303,808
IPv4 Prefixes
| CIDR | Country | Network Name | Organization | Registry | Status | Size |
|---|---|---|---|---|---|---|
| 156.40.93.0/24 | US | UDHHS-4 | U.S. Department of Health & Human Services | ARIN | allocation | 256 |
| 156.40.94.0/24 | US | UDHHS-4 | U.S. Department of Health & Human Services | ARIN | allocation | 256 |
| 156.40.95.0/24 | US | UDHHS-4 | U.S. Department of Health & Human Services | ARIN | allocation | 256 |
| 156.40.197.0/24 | US | UDHHS-4 | U.S. Department of Health & Human Services | ARIN | allocation | 256 |
| 158.73.0.0/16 | US | CMSNET | U.S. Dept. of Health And Human Services | ARIN | allocation | 65,536 |
| 158.73.196.0/24 | US | CMSNET | U.S. Dept. of Health And Human Services | ARIN | allocation | 256 |
| 158.74.38.0/24 | US | NET-HHS5 | U.S. Dept. of Health And Human Services | ARIN | allocation | 256 |
| 198.179.3.0/24 | US | NET-HHS10 | U.S. Dept. of Health And Human Services | ARIN | allocation | 256 |
| 198.179.4.0/24 | US | NET-HHS10 | U.S. Dept. of Health And Human Services | ARIN | allocation | 256 |
IPv6 Prefixes
| CIDR | Country | Network Name | Organization | Registry | Status |
|---|---|---|---|---|---|
| 2607:f220:10::/44 | US | NET-HHS6 | U.S. Dept. of Health And Human Services | ARIN | allocation |
| 2607:f220:f1::/48 | US | NET-HHS6 | U.S. Dept. of Health And Human Services | ARIN | allocation |
| 2607:f220:200::/44 | US | CMMS-IPV6 | Centers for Medicare & Medicaid Services | ARIN | reallocation |

