ASN Lookup Tool

Blackfoot Telephone Cooperative, Inc. blackfoot.com US US 17 Routes

AS Data

AS21947

AS21947 – Blackfoot Telephone Cooperative, Inc.

AS Number 21947
AS Name BCI
Organization Blackfoot Telephone Cooperative, Inc. (btc-13)
Country US
Website blackfoot.com
Number of IPv4 Routes 14
Number of IPv6 Routes 3
ASN type ISP
Registry ARIN
Date Allocated 2001-07-17

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IP Ranges

Route # IPs
69.165.112.0/20 4096
2607:f8e0::/32 ~79×10²⁷
199.195.120.0/21 2048
216.47.48.0/20 4096
216.14.224.0/19 8192
204.11.244.0/22 1024
209.137.224.0/19 8192
198.60.195.0/24 256
2001:1940::/32 ~79×10²⁷
2604:300::/32 ~79×10²⁷
66.109.128.0/19 8192
209.200.192.0/19 8192
192.225.176.0/20 4096
192.150.152.0/21 2048
205.167.162.0/23 512
69.51.64.0/18 16384
64.25.128.0/20 4096

Raw Whois Response

#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2026, American Registry for Internet Numbers, Ltd.
#


ASNumber:       21947
ASName:         BCI
ASHandle:       AS21947
RegDate:        2001-07-17
Updated:        2013-07-22
Ref:            https://rdap.arin.net/registry/autnum/21947


OrgName:        Blackfoot Telephone Cooperative, Inc.
OrgId:          BTC-13
Address:        1221 N. Russel St.
City:           Missoula
StateProv:      MT
PostalCode:     59808
Country:        US
RegDate:        1999-08-11
Updated:        2024-11-25
Ref:            https://rdap.arin.net/registry/entity/BTC-13


OrgTechHandle: DOMBR8-ARIN
OrgTechName:   Dombrosky, Shaun 
OrgTechPhone:  +1-406-541-5000 
OrgTechEmail:  sdombrosky@blackfoot.com
OrgTechRef:    https://rdap.arin.net/registry/entity/DOMBR8-ARIN

OrgTechHandle: FEENS-ARIN
OrgTechName:   Feenstra, Rob 
OrgTechPhone:  +1-406-532-5002 
OrgTechEmail:  rfeenstra@blackfoot.com
OrgTechRef:    https://rdap.arin.net/registry/entity/FEENS-ARIN

OrgTechHandle: FLYNN168-ARIN
OrgTechName:   Flynn, Shannon 
OrgTechPhone:  +1-406-541-5373 
OrgTechEmail:  sflynn@blackfoot.com
OrgTechRef:    https://rdap.arin.net/registry/entity/FLYNN168-ARIN

OrgTechHandle: GRAYS80-ARIN
OrgTechName:   Grayson, Jordan 
OrgTechPhone:  +1-406-541-5000 
OrgTechEmail:  jgrayson@blackfoot.com
OrgTechRef:    https://rdap.arin.net/registry/entity/GRAYS80-ARIN

OrgNOCHandle: FEENS-ARIN
OrgNOCName:   Feenstra, Rob 
OrgNOCPhone:  +1-406-532-5002 
OrgNOCEmail:  rfeenstra@blackfoot.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/FEENS-ARIN

OrgAbuseHandle: NAE2-ARIN
OrgAbuseName:   Network Abuse Email
OrgAbusePhone:  +1-406-541-5000 
OrgAbuseEmail:  abuse@blackfoot.net
OrgAbuseRef:    https://rdap.arin.net/registry/entity/NAE2-ARIN


#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2026, American Registry for Internet Numbers, Ltd.
#

Parsed Whois Response

Peers

AS Number Description Country
AS393630 Avantguard Monitoring Centers US
AS393577 Tritan Development US
AS401703 Ordinal Advisors LLC US
AS6939 Hurricane Electric LLC US
AS10242 US Internet Corp US
AS14537 Continent 8 LLC US
AS33521 Missoula County Public Schools US
AS5645 TekSavvy Solutions, Inc. CA
AS3130 RGnet OU EE
AS33281 BRIGHAM YOUNG UNIVERSITY IDAHO US
AS54410 Bozeman Deaconess Health Services US
AS293 ESnet US
AS53597 Hoyos Consulting LLC US
AS15331 Blackfoot Telephone Cooperative, Inc. US
AS13590 Marcus Daly Memorial Hospital Corporation US
AS33281 BRIGHAM YOUNG UNIVERSITY - IDAHO US
AS400818 Ausra LLC US
AS3701 University of Oregon US
AS19684 Latigo, LLC US
AS20274 Flathead Valley Community College US
AS7575 Australian Academic and Research Network AU
AS20119 Arrow Group Inc. CA
AS1828 Unitas Global US
AS1299 Arelion Sweden AB SE
AS13737 Interconnecx, LLC US
AS398437 Hot Springs Telephone Company US
AS58511 Anycast Global Backbone AU
AS24482 SG.GS SG
AS34927 iFog GmbH CH
AS15305 Syringa Networks, LLC US
AS20473 The Constant Company, LLC US
AS22785 GLACIER BANCORP INC US
AS2914 NTT America, Inc. US
AS32621 Twin City VoIP, Inc. US
AS27391 Washington Corporations US
AS205329 Kai-Jung Chen TW
AS52025 ParadoxNetworks Limited GB
AS394256 Tech Futures Interactive Inc. CA
AS36236 NetActuate, Inc US
AS18106 Viewqwest Pte Ltd SG
AS4455 IX Reach Ltd GB
AS16276 OVH SAS FR
AS19754 The Fusion Network, LLC US
AS14041 University Corporation for Atmospheric Research US
AS397162 Sumofiber US
AS1378 Interbel Telephone Cooperative, Inc. US
AS20055 Wholesail networks LLC US
AS9002 RETN Limited GB
AS4474 TCT West, Inc. US
AS7575 Australian Academic and Research Network (AARNet) AU
AS395861 Medical Imaging Associates of Idaho Falls, Inc. US
AS46324 Advanced Stream Inc. US
AS35280 F5 Networks SARL FR
AS30688 FastTrack Communications Inc. US
AS53828 NETWORK INNOVATIONS, LLC US
AS4181 TDS TELECOM US
AS137409 GSL Networks Pty LTD AU
AS49544 i3D.net B.V NL

Upstreams

AS Number Description Country
AS7575 Australian Academic and Research Network AU
AS394256 Tech Futures Interactive Inc. CA
AS9002 RETN Limited GB
AS15305 Syringa Networks, LLC US
AS1299 Arelion Sweden AB SE
AS6939 Hurricane Electric LLC US
AS2914 NTT America, Inc. US
AS32621 Twin City VoIP, Inc. US
AS137409 GSL Networks Pty LTD AU

Downstreams

AS Number Description Country
AS393630 Avantguard Monitoring Centers US
AS1378 Interbel Telephone Cooperative, Inc. US
AS22785 GLACIER BANCORP INC US
AS33521 Missoula County Public Schools US
AS395861 Medical Imaging Associates of Idaho Falls, Inc. US
AS33281 BRIGHAM YOUNG UNIVERSITY IDAHO US
AS54410 Bozeman Deaconess Health Services US
AS27391 Washington Corporations US
AS46324 Advanced Stream Inc. US
AS20274 Flathead Valley Community College US

Contacts

Email Contacts

sdombrosky@blackfoot.com sflynn@blackfoot.com jgrayson@blackfoot.com rfeenstra@blackfoot.com

Abuse Contacts

abuse@blackfoot.net

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Frequently Asked Questions

ASN AS21947 is an Autonomous System Number used to identify a network for BGP internet routing.
AS21947 is listed under Blackfoot Telephone Cooperative, Inc..
Peers are lateral network interconnections, upstreams are transit providers, and downstreams are customer networks receiving connectivity.
Routes and IP ranges are the network prefixes announced by the ASN on the internet and show the address space it originates.
WHOIS provides registration and contact context for ASN ownership, administration, and operational reference.
This page previews large ASN datasets. Use See more to load additional rows, and upgrade your plan to view complete peer, route, upstream, and downstream data.