Summary
| Country |
 United States
|
| Domain | columbia.edu |
| Size | 32,768 |
| Registry | ARIN |
| Network Name | CPMC2 |
Whois
Various Registries (Maintained by ARIN) NET156 (NET-156-0-0-0-0) 156.0.0.0 - 156.255.255.255
The Trustees of Columbia University in the City of New York CPMC2 (NET-156-145-0-0-1) 156.145.0.0 - 156.145.255.255
CIDR IP address subranges within 156.145.128.0/17 subnet
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