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Summary
| Country |
 United States
|
| Domain | columbia.edu |
| Size | 4,096 |
| Registry | ARIN |
| Network Name | SPRINT-D102E000-21 |
Whois
American Registry for Internet Numbers NET209 (NET-209-0-0-0-0) 209.0.0.0 - 209.255.255.255
Lamont-Doherty Earth Observatory of Columbia University LDGO (NET-209-2-208-0-2) 209.2.208.0 - 209.2.239.255CIDR IP address subranges within 209.2.224.0/20 subnet
- 209.2.224.0/24
- 209.2.225.0/24
- 209.2.226.0/24
- 209.2.227.0/24
- 209.2.228.0/24
- 209.2.229.0/24
- 209.2.230.0/24
- 209.2.231.0/24
- 209.2.232.0/24
- 209.2.233.0/24
- 209.2.234.0/24
- 209.2.235.0/24
- 209.2.236.0/24
- 209.2.237.0/24
- 209.2.238.0/24
- 209.2.239.0/24