Autonomous System
AS16433 NORTH CENTRAL TELEPHONE COOPERATIVE CORPORATION
ISPActiveUnited StatesARIN
AS16433 (NCTC-ISP) is an ISP network operated by NORTH CENTRAL TELEPHONE COOPERATIVE CORPORATION in United States, registered with ARIN. It has 170 IPv4 prefixes with 133,120 addresses and 1 IPv6 prefix, which makes it the 1,812th largest of 82,200 active autonomous systems by IPv4 space.
IPv4 addresses133,120in 170 prefixes
IPv6 prefixes1≈ 7.9 × 10²⁸ addresses
Size rank#1,812of 82,200 active ASNs
Details
OrganizationNORTH CENTRAL TELEPHONE COOPERATIVE CORPORATION
AS nameNCTC-ISP
Websitenctc.com
Country United States (US)
Network typeISP
RegistryARIN
Abuse contactcorey.smith@nctcstaff.com
Registered2010-07-15
Last updated2012-03-02
IPv4 prefixes
170 prefixes · 133,120 addresses| Network | Addresses | First – last address |
|---|---|---|
| 66.38.96.0/19 | 8,192 | 66.38.96.0 – 66.38.127.255 |
| 66.38.96.0/20 | 4,096 | 66.38.96.0 – 66.38.111.255 |
| 66.38.112.0/20 | 4,096 | 66.38.112.0 – 66.38.127.255 |
| 72.22.112.0/20 | 4,096 | 72.22.112.0 – 72.22.127.255 |
| 104.243.64.0/20 | 4,096 | 104.243.64.0 – 104.243.79.255 |
| 147.92.16.0/20 | 4,096 | 147.92.16.0 – 147.92.31.255 |
| 160.79.16.0/20 | 4,096 | 160.79.16.0 – 160.79.31.255 |
| 161.38.224.0/20 | 4,096 | 161.38.224.0 – 161.38.239.255 |
| 162.43.208.0/20 | 4,096 | 162.43.208.0 – 162.43.223.255 |
| 173.240.128.0/20 | 4,096 | 173.240.128.0 – 173.240.143.255 |
| 216.20.144.0/20 | 4,096 | 216.20.144.0 – 216.20.159.255 |
| 72.22.112.0/21 | 2,048 | 72.22.112.0 – 72.22.119.255 |
| 72.22.120.0/21 | 2,048 | 72.22.120.0 – 72.22.127.255 |
| 74.123.40.0/21 | 2,048 | 74.123.40.0 – 74.123.47.255 |
| 104.243.64.0/21 | 2,048 | 104.243.64.0 – 104.243.71.255 |
| 104.243.72.0/21 | 2,048 | 104.243.72.0 – 104.243.79.255 |
| 147.92.16.0/21 | 2,048 | 147.92.16.0 – 147.92.23.255 |
| 147.92.24.0/21 | 2,048 | 147.92.24.0 – 147.92.31.255 |
| 160.79.16.0/21 | 2,048 | 160.79.16.0 – 160.79.23.255 |
| 160.79.24.0/21 | 2,048 | 160.79.24.0 – 160.79.31.255 |
| 161.38.224.0/21 | 2,048 | 161.38.224.0 – 161.38.231.255 |
| 161.38.232.0/21 | 2,048 | 161.38.232.0 – 161.38.239.255 |
| 162.43.208.0/21 | 2,048 | 162.43.208.0 – 162.43.215.255 |
| 162.43.216.0/21 | 2,048 | 162.43.216.0 – 162.43.223.255 |
| 167.224.56.0/21 | 2,048 | 167.224.56.0 – 167.224.63.255 |
66.38.96.0/19 66.38.96.0/20 66.38.112.0/20 72.22.112.0/20 104.243.64.0/20 147.92.16.0/20 160.79.16.0/20 161.38.224.0/20 162.43.208.0/20 173.240.128.0/20 216.20.144.0/20 72.22.112.0/21 72.22.120.0/21 74.123.40.0/21 104.243.64.0/21 104.243.72.0/21 147.92.16.0/21 147.92.24.0/21 160.79.16.0/21 160.79.24.0/21 161.38.224.0/21 161.38.232.0/21 162.43.208.0/21 162.43.216.0/21 167.224.56.0/21
The 25 largest of 170. The API and the database have all of them.
IPv6 prefixes
1 prefix- 2605:f00::/32
2605:f00::/32
Query AS16433 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=AS16433&key=YOUR_API_KEY"Any address in its prefixes resolves to AS16433, with or without a key:
curl "https://api.ipapi.is/?q=66.38.96.1"Largest networks in United States
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