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General Information
Name:
Unitedhealthcare
Domain:
uhc.com
Country:
US
Type:
business
Registry:
ARIN
Prefix Counts
IPv4 Count:
258,560
IPv6 Count:
79,537,647,524,085,682,662,268,731,392
IPv4 Prefixes
| CIDR | Country | Network Name | Organization | Registry | Status | Size |
|---|---|---|---|---|---|---|
| 128.35.0.0/17 | US | INTEGRIS-128-35 | Unitedhealth Group Incorporated | ARIN | allocation | 32,768 |
| 128.35.64.0/18 | US | INTEGRIS-128-35 | Unitedhealth Group Incorporated | ARIN | allocation | 16,384 |
| 128.35.68.0/22 | US | INTEGRIS-128-35 | Unitedhealth Group Incorporated | ARIN | allocation | 1,024 |
| 128.35.72.0/22 | US | INTEGRIS-128-35 | Unitedhealth Group Incorporated | ARIN | allocation | 1,024 |
| 128.35.128.0/17 | US | INTEGRIS-128-35 | Unitedhealth Group Incorporated | ARIN | allocation | 32,768 |
| 128.35.192.0/18 | US | INTEGRIS-128-35 | Unitedhealth Group Incorporated | ARIN | allocation | 16,384 |
| 149.111.12.0/24 | US | UNITEDHEALTH-GROUP-INCORPORATED | Unitedhealth Group Incorporated | ARIN | allocation | 256 |
| 149.111.21.0/24 | IN | OGS-554 | Optum Global Services (india) Private Limited | ARIN | reassignment | 256 |
| 149.111.22.0/24 | IN | OGS-550 | Optum Global Services (india) Private Limited | ARIN | reassignment | 256 |
| 149.111.26.0/23 | IE | UHC-IR777-1 | Optum International | ARIN | reassignment | 512 |
| 149.111.28.0/23 | IN | OGS-747 | Optum Global Services (india) Private Limited | ARIN | reassignment | 512 |
| 149.111.30.0/23 | IN | OGS-757 | Optum Global Services (india) Private Limited | ARIN | reassignment | 512 |
| 149.111.112.0/21 | US | UNITEDHEALTH-GROUP-INCORPORATED | Unitedhealth Group Incorporated | ARIN | allocation | 2,048 |
| 149.111.126.0/23 | US | UNITEDHEALTH-GROUP-INCORPORATED | Unitedhealth Group Incorporated | ARIN | allocation | 512 |
| 149.111.128.0/19 | US | UNITEDHEALTH-GROUP-INCORPORATED | Unitedhealth Group Incorporated | ARIN | allocation | 8,192 |
| 149.111.160.0/22 | US | UNITEDHEALTH-GROUP-INCORPORATED | Unitedhealth Group Incorporated | ARIN | allocation | 1,024 |
| 149.111.164.0/22 | US | UNITEDHEALTH-GROUP-INCORPORATED | Unitedhealth Group Incorporated | ARIN | allocation | 1,024 |
| 149.111.168.0/22 | US | UNITEDHEALTH-GROUP-INCORPORATED | Unitedhealth Group Incorporated | ARIN | allocation | 1,024 |
| 149.111.172.0/22 | US | UNITEDHEALTH-GROUP-INCORPORATED | Unitedhealth Group Incorporated | ARIN | allocation | 1,024 |
| 149.111.176.0/22 | US | UNITEDHEALTH-GROUP-INCORPORATED | Unitedhealth Group Incorporated | ARIN | allocation | 1,024 |
| 149.111.180.0/24 | US | UNITEDHEALTH-GROUP-INCORPORATED | Unitedhealth Group Incorporated | ARIN | allocation | 256 |
| 149.111.192.0/19 | US | UNITEDHEALTH-GROUP-INCORPORATED | Unitedhealth Group Incorporated | ARIN | allocation | 8,192 |
| 149.111.224.0/21 | US | UNITEDHEALTH-GROUP-INCORPORATED | Unitedhealth Group Incorporated | ARIN | allocation | 2,048 |
| 149.111.232.0/22 | US | UNITEDHEALTH-GROUP-INCORPORATED | Unitedhealth Group Incorporated | ARIN | allocation | 1,024 |
| 149.111.236.0/24 | US | UNITEDHEALTH-GROUP-INCORPORATED | Unitedhealth Group Incorporated | ARIN | allocation | 256 |
| 149.111.237.0/24 | US | UNITEDHEALTH-GROUP-INCORPORATED | Unitedhealth Group Incorporated | ARIN | allocation | 256 |
| 149.111.238.0/24 | US | UNITEDHEALTH-GROUP-INCORPORATED | Unitedhealth Group Incorporated | ARIN | allocation | 256 |
| 161.249.16.0/23 | US | UNITEDHEALTH-GROUP-INCORPORATED | Unitedhealth Group Incorporated | ARIN | allocation | 512 |
| 161.249.64.0/20 | US | UNITEDHEALTH-GROUP-INCORPORATED | Unitedhealth Group Incorporated | ARIN | allocation | 4,096 |
| 161.249.80.0/20 | US | UNITEDHEALTH-GROUP-INCORPORATED | Unitedhealth Group Incorporated | ARIN | allocation | 4,096 |
| 161.249.144.0/20 | US | UNITEDHEALTH-GROUP-INCORPORATED | Unitedhealth Group Incorporated | ARIN | allocation | 4,096 |
| 161.249.160.0/20 | US | UNITEDHEALTH-GROUP-INCORPORATED | Unitedhealth Group Incorporated | ARIN | allocation | 4,096 |
| 161.249.176.0/20 | US | UNITEDHEALTH-GROUP-INCORPORATED | Unitedhealth Group Incorporated | ARIN | allocation | 4,096 |
| 161.249.191.0/24 | US | UNITEDHEALTH-GROUP-INCORPORATED | Unitedhealth Group Incorporated | ARIN | allocation | 256 |
| 161.249.196.0/23 | PH | OGA-PH518 | Optum Global Advantage | ARIN | reassignment | 512 |
| 161.249.200.0/21 | US | UNITEDHEALTH-GROUP-INCORPORATED | Unitedhealth Group Incorporated | ARIN | allocation | 2,048 |
| 161.249.208.0/21 | US | UNITEDHEALTH-GROUP-INCORPORATED | Unitedhealth Group Incorporated | ARIN | allocation | 2,048 |
| 161.249.216.0/24 | US | UNITEDHEALTH-GROUP-INCORPORATED | Unitedhealth Group Incorporated | ARIN | allocation | 256 |
| 161.249.224.0/20 | US | UNITEDHEALTH-GROUP-INCORPORATED | Unitedhealth Group Incorporated | ARIN | allocation | 4,096 |
| 161.249.240.0/21 | US | UNITEDHEALTH-GROUP-INCORPORATED | Unitedhealth Group Incorporated | ARIN | allocation | 2,048 |
| 161.249.248.0/21 | US | UNITEDHEALTH-GROUP-INCORPORATED | Unitedhealth Group Incorporated | ARIN | allocation | 2,048 |
| 168.183.2.0/24 | US | UHC-B2 | Unitedhealth Group Incorporated | ARIN | allocation | 256 |
| 168.183.32.0/22 | US | UHC-B2 | Unitedhealth Group Incorporated | ARIN | allocation | 1,024 |
| 168.183.36.0/22 | US | UHC-B2 | Unitedhealth Group Incorporated | ARIN | allocation | 1,024 |
| 168.183.40.0/24 | US | UHC-B2 | Unitedhealth Group Incorporated | ARIN | allocation | 256 |
| 168.183.41.0/24 | US | UHC-B2 | Unitedhealth Group Incorporated | ARIN | allocation | 256 |
| 168.183.42.0/23 | US | UHC-B2 | Unitedhealth Group Incorporated | ARIN | allocation | 512 |
| 168.183.44.0/23 | US | UHC-B2 | Unitedhealth Group Incorporated | ARIN | allocation | 512 |
| 168.183.46.0/23 | US | UHC-B2 | Unitedhealth Group Incorporated | ARIN | allocation | 512 |
| 168.183.48.0/22 | US | UHC-B2 | Unitedhealth Group Incorporated | ARIN | allocation | 1,024 |
| 168.183.52.0/22 | US | UHC-B2 | Unitedhealth Group Incorporated | ARIN | allocation | 1,024 |
| 168.183.56.0/22 | US | UHC-B2 | Unitedhealth Group Incorporated | ARIN | allocation | 1,024 |
| 168.183.60.0/22 | US | UHC-B2 | Unitedhealth Group Incorporated | ARIN | allocation | 1,024 |
| 168.183.64.0/22 | US | UHC-B2 | Unitedhealth Group Incorporated | ARIN | allocation | 1,024 |
| 168.183.68.0/22 | US | UHC-B2 | Unitedhealth Group Incorporated | ARIN | allocation | 1,024 |
| 168.183.96.0/22 | US | UHC-B2 | Unitedhealth Group Incorporated | ARIN | allocation | 1,024 |
| 168.183.106.0/23 | US | UHC-B2 | Unitedhealth Group Incorporated | ARIN | allocation | 512 |
| 168.183.121.0/24 | US | UHC-B2 | Unitedhealth Group Incorporated | ARIN | allocation | 256 |
| 168.183.122.0/24 | US | UHC-B2 | Unitedhealth Group Incorporated | ARIN | allocation | 256 |
| 168.183.128.0/20 | US | UHC-B2 | Unitedhealth Group Incorporated | ARIN | allocation | 4,096 |
| 168.183.144.0/24 | US | UHC-B2 | Unitedhealth Group Incorporated | ARIN | allocation | 256 |
| 168.183.164.0/23 | US | UHC-B2 | Unitedhealth Group Incorporated | ARIN | allocation | 512 |
| 168.183.166.0/23 | US | UHC-B2 | Unitedhealth Group Incorporated | ARIN | allocation | 512 |
| 168.183.208.0/22 | US | UHC-B2 | Unitedhealth Group Incorporated | ARIN | allocation | 1,024 |
| 168.183.212.0/22 | US | UHC-B2 | Unitedhealth Group Incorporated | ARIN | allocation | 1,024 |
| 168.183.216.0/22 | US | UHC-B2 | Unitedhealth Group Incorporated | ARIN | allocation | 1,024 |
| 168.183.222.0/24 | US | UHC-B2 | Unitedhealth Group Incorporated | ARIN | allocation | 256 |
| 170.138.0.0/16 | US | EMDEON-BUSINESS-SERVICES-LLC | Unitedhealth Group Incorporated | ARIN | allocation | 65,536 |
| 170.138.27.0/24 | US | EMDEON-BUSINESS-SERVICES-LLC | Unitedhealth Group Incorporated | ARIN | allocation | 256 |
| 170.138.29.0/24 | US | EMDEON-BUSINESS-SERVICES-LLC | Unitedhealth Group Incorporated | ARIN | allocation | 256 |
| 170.138.52.0/24 | US | EMDEON-BUSINESS-SERVICES-LLC | Unitedhealth Group Incorporated | ARIN | allocation | 256 |
| 170.138.53.0/24 | US | EMDEON-BUSINESS-SERVICES-LLC | Unitedhealth Group Incorporated | ARIN | allocation | 256 |
| 170.138.170.0/24 | US | EMDEON-BUSINESS-SERVICES-LLC | Unitedhealth Group Incorporated | ARIN | allocation | 256 |
| 170.138.172.0/22 | US | EMDEON-BUSINESS-SERVICES-LLC | Unitedhealth Group Incorporated | ARIN | allocation | 1,024 |
| 170.138.176.0/24 | US | EMDEON-BUSINESS-SERVICES-LLC | Unitedhealth Group Incorporated | ARIN | allocation | 256 |
| 170.138.254.0/23 | US | EMDEON-BUSINESS-SERVICES-LLC | Unitedhealth Group Incorporated | ARIN | allocation | 512 |
| 198.203.174.0/24 | US | UHC-2004-1 | Unitedhealth Group Incorporated | ARIN | allocation | 256 |
| 198.203.175.0/24 | US | UHC-2004-1 | Unitedhealth Group Incorporated | ARIN | allocation | 256 |
| 198.203.176.0/24 | US | UHC-2004-1 | Unitedhealth Group Incorporated | ARIN | allocation | 256 |
| 198.203.177.0/24 | US | UHC-2004-1 | Unitedhealth Group Incorporated | ARIN | allocation | 256 |
| 198.203.181.0/24 | US | UHC-2004-1 | Unitedhealth Group Incorporated | ARIN | allocation | 256 |
| 204.28.12.0/24 | US | KELSEY-SEYBOLD-PUBLIC-NETWORK | Kelsey-seybold Clinic | ARIN | allocation | 256 |
| 204.28.13.0/24 | US | KELSEY-SEYBOLD-PUBLIC-NETWORK | Kelsey-seybold Clinic | ARIN | allocation | 256 |
| 204.28.14.0/24 | US | KELSEY-SEYBOLD-PUBLIC-NETWORK | Kelsey-seybold Clinic | ARIN | allocation | 256 |
| 204.28.15.0/24 | US | KELSEY-SEYBOLD-PUBLIC-NETWORK | Kelsey-seybold Clinic | ARIN | allocation | 256 |
| 205.132.162.0/24 | US | SHS-1 | Sierra Health Services Inc. | ARIN | allocation | 256 |
| 205.132.165.0/24 | US | SHS-1 | Sierra Health Services Inc. | ARIN | allocation | 256 |
| 205.132.166.0/24 | US | SHS-1 | Sierra Health Services Inc. | ARIN | allocation | 256 |
| 208.66.221.0/24 | US | TROVERSOLUTIONS-NETWORK | Trover Solutions | ARIN | allocation | 256 |
| 208.66.222.0/24 | US | TROVERSOLUTIONS-NETWORK | Trover Solutions | ARIN | allocation | 256 |
IPv6 Prefixes
| CIDR | Country | Network Name | Organization | Registry | Status |
|---|---|---|---|---|---|
| 2602:276::/32 | US | UHC-IPV6-01 | Unitedhealth Group Incorporated | ARIN | allocation |
| 2620:10c:9000::/40 | US | UNITEDHEALTH-GROUP | Unitedhealth Group Incorporated | ARIN | allocation |
