Autonomous System
AS21947 Blackfoot Telephone Cooperative, Inc.
ISPActiveUnited StatesARIN
AS21947 (BCI) is an ISP network operated by Blackfoot Telephone Cooperative, Inc. in United States, registered with ARIN. It has 14 IPv4 prefixes with 71,424 addresses and 3 IPv6 prefixes, which makes it the 2,954th largest of 82,200 active autonomous systems by IPv4 space.
IPv4 addresses71,424in 14 prefixes
IPv6 prefixes3≈ 2.4 × 10²⁹ addresses
Size rank#2,954of 82,200 active ASNs
Details
OrganizationBlackfoot Telephone Cooperative, Inc.
AS nameBCI
Websiteblackfoot.com
Country United States (US)
Network typeISP
RegistryARIN
Abuse contactabuse@blackfoot.net
Registered2001-07-17
Last updated2013-07-22
IPv4 prefixes
14 prefixes · 71,424 addresses| Network | Addresses | First – last address |
|---|---|---|
| 69.51.64.0/18 | 16,384 | 69.51.64.0 – 69.51.127.255 |
| 66.109.128.0/19 | 8,192 | 66.109.128.0 – 66.109.159.255 |
| 209.137.224.0/19 | 8,192 | 209.137.224.0 – 209.137.255.255 |
| 209.200.192.0/19 | 8,192 | 209.200.192.0 – 209.200.223.255 |
| 216.14.224.0/19 | 8,192 | 216.14.224.0 – 216.14.255.255 |
| 64.25.128.0/20 | 4,096 | 64.25.128.0 – 64.25.143.255 |
| 69.165.112.0/20 | 4,096 | 69.165.112.0 – 69.165.127.255 |
| 192.225.176.0/20 | 4,096 | 192.225.176.0 – 192.225.191.255 |
| 216.47.48.0/20 | 4,096 | 216.47.48.0 – 216.47.63.255 |
| 192.150.152.0/21 | 2,048 | 192.150.152.0 – 192.150.159.255 |
| 199.195.120.0/21 | 2,048 | 199.195.120.0 – 199.195.127.255 |
| 204.11.244.0/22 | 1,024 | 204.11.244.0 – 204.11.247.255 |
| 205.167.162.0/23 | 512 | 205.167.162.0 – 205.167.163.255 |
| 198.60.195.0/24 | 256 | 198.60.195.0 – 198.60.195.255 |
69.51.64.0/18 66.109.128.0/19 209.137.224.0/19 209.200.192.0/19 216.14.224.0/19 64.25.128.0/20 69.165.112.0/20 192.225.176.0/20 216.47.48.0/20 192.150.152.0/21 199.195.120.0/21 204.11.244.0/22 205.167.162.0/23 198.60.195.0/24
IPv6 prefixes
3 prefixes- 2001:1940::/32
- 2604:300::/32
- 2607:f8e0::/32
2001:1940::/32 2604:300::/32 2607:f8e0::/32
Query AS21947 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=AS21947&key=YOUR_API_KEY"Any address in its prefixes resolves to AS21947, with or without a key:
curl "https://api.ipapi.is/?q=69.51.64.1"Largest networks in United States
AS749 United States Department of Defense (DoD)227,464,192 IPv4 addressesAS16509 Amazon.com, Inc.218,038,784 IPv4 addressesAS7018 AT&T Enterprises, LLC117,262,080 IPv4 addressesAS8075 Microsoft Corporation81,463,040 IPv4 addressesAS721 United States Department of Defense (DoD)73,070,080 IPv4 addressesAS7922 Comcast Cable Communications, LLC68,336,896 IPv4 addresses