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General Information
Name:
Columbia University
Domain:
columbia.edu
Country:
US
Type:
education
Registry:
ARIN
Prefix Counts
IPv4 Count:
208,896
IPv6 Count:
79,228,162,514,264,337,593,543,950,336
IPv4 Prefixes
| CIDR | Country | Network Name | Organization | Registry | Status | Size |
|---|---|---|---|---|---|---|
| 128.59.0.0/16 | US | CU-NET-128-59 | Columbia University | ARIN | allocation | 65,536 |
| 129.236.0.0/16 | US | LDGO-NET | Lamont-doherty Earth Observatory of Columbia University | ARIN | allocation | 65,536 |
| 160.39.0.0/16 | US | CU-NET-160-39 | Columbia University | ARIN | allocation | 65,536 |
| 192.5.43.0/24 | US | CUCSNET | Columbia University | ARIN | allocation | 256 |
| 192.12.82.0/24 | US | NET-CU-NEVIS-NET | Columbia University | ARIN | allocation | 256 |
| 207.10.136.0/21 | US | CU-NET-207-10-136 | Columbia University | ARIN | reassignment | 2,048 |
| 209.2.47.0/24 | US | CU-NET-209-2-47 | Nysernet/columbia University | ARIN | reassignment | 256 |
| 209.2.48.0/22 | US | CU-NET-209-2-48 | Nysernet/columbia University | ARIN | reassignment | 1,024 |
| 209.2.185.0/24 | US | CU-NET-209-2-185 | Columbia University | ARIN | reassignment | 256 |
| 209.2.208.0/20 | US | CU-NET-209-2-208 | The Interchurch Center/columbia University | ARIN | reassignment | 4,096 |
| 209.2.224.0/20 | US | CU-NET-209-2-224 | Columbia University | ARIN | reassignment | 4,096 |
IPv6 Prefixes
| CIDR | Country | Network Name | Organization | Registry | Status |
|---|---|---|---|---|---|
| 2001:18d8::/32 | US | CU-NET-2001-18D8 | Columbia University | ARIN | allocation |
