AS21947
Blackfoot Telephone Cooperative, Inc. ISP registered in United States
14IPv4 prefixes
3IPv6 prefixes
88%RPKI-valid
#1,811AS Rank
327/327RIS visibility
#2,031Rank in United States
2001-07-17Allocated
Blackfoot Telephone Cooperative, Inc. (AS21947) — ISP, registered in United States. announces 14 IPv4 prefixes + 3 IPv6 prefixes. Rank in United States: #2031. Allocated: 2001-07-17.
IPv4 14IPv6 3
Announced prefixes · 17
- v4 192.150.152.0/21 valid
- v4 192.225.176.0/20 valid
- v4 198.60.195.0/24 unknown
- v4 199.195.120.0/21 valid
- v4 204.11.244.0/22 valid
- v4 205.167.162.0/23 unknown
- v4 209.137.224.0/19 valid
- v4 209.200.192.0/19 valid
- v4 216.14.224.0/19 valid
- v4 216.47.48.0/20 valid
- v4 64.25.128.0/20 valid
- v4 66.109.128.0/19 valid
- v4 69.165.112.0/20 valid
- v4 69.51.64.0/18 valid
- v6 2001:1940::/32 valid
- v6 2604:300::/32 valid
- v6 2607:f8e0::/32 valid
RPKI: rpki.cloudflare.com · 2026-06-17
Routing: 14 IPv4 · 3 IPv6 announced · RIS visibility 327/327 RIS peers · RIPEstat · 2026-06-17
Prefix history
Data table
| Day | Announced prefixes |
|---|---|
| 2026-06-12 | 17 |
| 2026-06-13 | 17 |
Internet Exchanges · 2
- SIX Seattle Seattle 200 Gbps
- IX-Denver Denver 10 Gbps
Facilities · 7
- CoreSite - Denver (DE1) Denver
- DataBank Salt Lake City (SLC1) Salt Lake City
- Digital Realty Seattle SEA10 Seattle
- Lunavi - Cheyenne Cheyenne
- iConnect Billings Fiber Hotel Billings
- iConnect Helena Helena
- iConnect Missoula Missoula
AS topology · Customer cone 17
Providers · 4
Peers · 18
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