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Summary
| Country |
 United States
|
| Domain | columbia.edu |
| Size | 4,096 |
| Registry | ARIN |
| Network Name | SPRINT-D102D0 |
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 209.2.208.0/20 subnet
- 209.2.208.0/24
- 209.2.209.0/24
- 209.2.210.0/24
- 209.2.211.0/24
- 209.2.212.0/24
- 209.2.213.0/24
- 209.2.214.0/24
- 209.2.215.0/24
- 209.2.216.0/24
- 209.2.217.0/24
- 209.2.218.0/24
- 209.2.219.0/24
- 209.2.220.0/24
- 209.2.221.0/24
- 209.2.222.0/24
- 209.2.223.0/24