Summary

Country
US United States
Organization Blackfoot Telephone Cooperative, Inc.
Domain blackfoot.net
Number of IPv4 71,424
Number of IPv6 2.3768× 1029
AS Type ISP
Registry ARIN
Allocated July 17, 2001 (about 24 years ago)
Updated July 22, 2013 (about 11 years ago)

IP Ranges

AS21947 announces 14 IPv4 ranges and 3 IPv6 ranges.

That's a total of 71,424 IPv4 addresses and 2.3768× 1029 IPv6 addresses.

Prefix Organization Size Registry Status
64.25.128.0/20
US Blackfoot Telephone Cooperative, Inc.
4,096 ARIN ALLOCATION
66.109.128.0/19
US Blackfoot Telephone Cooperative, Inc.
8,192 ARIN ALLOCATION
69.51.64.0/18
US Blackfoot Telephone Cooperative, Inc.
16,384 ARIN ALLOCATION
69.165.112.0/20
US Blackfoot Telephone Cooperative, Inc.
4,096 ARIN ALLOCATION
192.150.152.0/21
US Blackfoot Telephone Cooperative, Inc.
2,048 ARIN REALLOCATION
192.225.176.0/20
US Fremont Communications
4,096 ARIN REASSIGNMENT
198.60.195.0/24
US University of Idaho
256 ARIN ALLOCATION
199.195.120.0/21
US Blackfoot Telephone Cooperative, Inc.
2,048 ARIN ALLOCATION
204.11.244.0/22
US Blackfoot Telephone Cooperative, Inc.
1,024 ARIN ALLOCATION
205.167.162.0/23
US Hellgate Elementary School District #4
512 ARIN ALLOCATION
209.137.224.0/19
US Blackfoot Telephone Cooperative, Inc.
8,192 ARIN ALLOCATION
209.200.192.0/19
US Blackfoot Telephone Cooperative, Inc.
8,192 ARIN ALLOCATION
216.14.224.0/19
US Blackfoot Telephone Cooperative, Inc.
8,192 ARIN ALLOCATION
216.47.48.0/20
US Blackfoot Telephone Cooperative, Inc.
4,096 ARIN ALLOCATION
Prefix Organization Size Registry Status
2001:1940::/32
US Blackfoot Telephone Cooperative, Inc.
7.9228× 1028 ARIN ALLOCATION
2604:300::/32
US Blackfoot Telephone Cooperative, Inc.
7.9228× 1028 ARIN ALLOCATION
2607:f8e0::/32
US Blackfoot Telephone Cooperative, Inc.
7.9228× 1028 ARIN ALLOCATION

Peers

AS21947 actively fosters the following peering relationships that enhance network performance through direct, settlement-free traffic exchange. Even with a modest number of peers, each connection serves as a strategic asset—optimizing routing, reducing latency, and minimizing transit costs.

Upstreams

AS21947 connects to the global Internet via at least 4 upstream providers. In this setup, AS21947 acts as a customer, subscribing to these transit services to obtain full BGP routing information and ensure reliable, redundant access to external networks.

Downstreams

AS21947 serves as a transit provider the following ASes, delivering the BGP routes needed for global connectivity. This downstream relationship underscores AS21947's role in extending Internet access beyond its own infrastructure.

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