Autonomous System
AS14 Columbia University
EducationActiveUnited StatesARIN
AS14 (COLUMBIA-GW) is an education network operated by Columbia University in United States, registered with ARIN. It has 11 IPv4 prefixes with 208,896 addresses and 1 IPv6 prefix, which makes it the 1,249th largest of 82,141 active autonomous systems by IPv4 space.
IPv4 addresses208,896in 11 prefixes
IPv6 prefixes1≈ 7.9 × 10²⁸ addresses
Size rank#1,249of 82,141 active ASNs
Details
OrganizationColumbia University
AS nameCOLUMBIA-GW
Websitecolumbia.edu
Country United States (US)
Network typeEducation
RegistryARIN
Abuse contactabuse@columbia.edu
Registered—
Last updated2010-06-28
IPv4 prefixes
11 prefixes · 208,896 addresses| Network | Addresses | First – last address |
|---|---|---|
| 128.59.0.0/16 | 65,536 | 128.59.0.0 – 128.59.255.255 |
| 129.236.0.0/16 | 65,536 | 129.236.0.0 – 129.236.255.255 |
| 160.39.0.0/16 | 65,536 | 160.39.0.0 – 160.39.255.255 |
| 209.2.208.0/20 | 4,096 | 209.2.208.0 – 209.2.223.255 |
| 209.2.224.0/20 | 4,096 | 209.2.224.0 – 209.2.239.255 |
| 207.10.136.0/21 | 2,048 | 207.10.136.0 – 207.10.143.255 |
| 209.2.48.0/22 | 1,024 | 209.2.48.0 – 209.2.51.255 |
| 192.5.43.0/24 | 256 | 192.5.43.0 – 192.5.43.255 |
| 192.12.82.0/24 | 256 | 192.12.82.0 – 192.12.82.255 |
| 209.2.47.0/24 | 256 | 209.2.47.0 – 209.2.47.255 |
| 209.2.185.0/24 | 256 | 209.2.185.0 – 209.2.185.255 |
128.59.0.0/16 129.236.0.0/16 160.39.0.0/16 209.2.208.0/20 209.2.224.0/20 207.10.136.0/21 209.2.48.0/22 192.5.43.0/24 192.12.82.0/24 209.2.47.0/24 209.2.185.0/24
IPv6 prefixes
1 prefix- 2001:18d8::/32
2001:18d8::/32
Query AS14 with the API
The ASN lookup returns everything on this page as JSON, including every prefix. ASN lookups need an API key: a free account comes with 1,000 requests a day.
curl "https://api.ipapi.is/?q=AS14&key=YOUR_API_KEY"Any address in its prefixes resolves to AS14, with or without a key:
curl "https://api.ipapi.is/?q=128.59.0.1"Largest networks in United States
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