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AS21947
BCI - Blackfoot Telephone Cooperative, Inc. Announcing routesAS nameBCI
OrganisationBlackfoot Telephone Cooperative, Inc.
Registry (RIR)ARIN
HandleAS21947
RangeAS21947
Registered17 Jul 2001
Last changed23 Jul 2013
Abuse contact[email protected]
14IPv4 prefixes
3IPv6 prefixes
10Upstreams
15Downstreams
Upstreams
| AS | Network name | Visibility |
|---|---|---|
| AS1299 | TWELVE99 Arelion Sweden AB | 1390 |
| AS6939 | HURRICANE - Hurricane Electric LLC | 899 |
| AS2914 | NTT-DATA-2914 - NTT America, Inc. | 726 |
| AS15305 | SYRINGANETWORKS - Syringa Networks, LLC | 210 |
| AS9002 | RETN-AS RETN Limited | 42 |
| AS394256 | CLOUDSINGULARITY - Tech Futures Interactive Inc. | 15 |
| AS32621 | TCV-511 - Twin City VoIP, Inc. | 14 |
| AS7575 | AARNET-AS-AP - Australian Academic and Research Network (AARNet) | 13 |
| AS137409 | GSLNETWORKS-AS-AP - GSL Networks Pty LTD | 11 |
| AS64289 | MACARNE - Macarne.com | 1 |
Downstreams
| AS | Network name | Visibility |
|---|---|---|
| AS15331 | BCI-LAB - Blackfoot Telephone Cooperative, Inc. | 455 |
| AS46324 | ADVANCED-STREAM-01 - Advanced Stream Inc. | 303 |
| AS33281 | BRIGHAM-YOUNG-UNIVERSITY-IDAHO - BRIGHAM YOUNG UNIVERSITY - IDAHO | 270 |
| AS22785 | GLACIER-BANCORP-INC - GLACIER BANCORP INC | 260 |
| AS33521 | MISSOULA-COUNTY-PUBLIC-SCHOOLS - Missoula County Public Schools | 255 |
| AS54410 | BDHS-AS - Bozeman Deaconess Health Services | 255 |
| AS395861 | MIA - Medical Imaging Associates of Idaho Falls, Inc. | 254 |
| AS397162 | SUMOFIBER-IDAHO - Sumofiber | 230 |
| AS20274 | FVCC-AS - Flathead Valley Community College | 177 |
| AS13590 | MDMH - Marcus Daly Memorial Hospital Corporation | 126 |
| AS27391 | WASHCORP-AS1 - Washington Corporations | 120 |
| AS393630 | AVANTGUARD - Avantguard Monitoring Centers | 55 |
| AS398437 | HOT-SPRINGS-TEL-01 - Hot Springs Telephone Company | 50 |
| AS402935 | CITY-OF-BELGRADE-MT - City | 46 |
| AS1378 | IBEL - Interbel Telephone Cooperative, Inc. | 20 |
IPv4 prefixes (14)
IPv6 prefixes (3)
RPKI-validate all prefixes of AS21947
Contacts
| Role | Name | Handle | Email / phone | Address |
|---|---|---|---|---|
| registrant | Blackfoot Telephone Cooperative, Inc. | BTC-13 | 1221 N. Russel St., Missoula, MT, 59808, United States | |
| administrative, technical, noc | Rob Feenstra | FEENS-ARIN | [email protected], +1-406-541-5495, +1-406-880-5495, +1-406-532-5002 | 1221 N Russell Street, Missoula, MT, 59808, United States |
| technical | Shannon Flynn | FLYNN168-ARIN | [email protected], +1-406-541-5373 | 7330 Shedhorn Dr, Bozeman, MT, 59718, United States |
| abuse | Network Abuse Email | NAE2-ARIN | [email protected], +1-406-541-5000 | 1221 North Russell St, Missoula, MT, 59808, United States |
| technical | Jordan Grayson | GRAYS80-ARIN | [email protected], +1-406-541-5000 | 1221 N Russell St, Missoula, MT, 59808, United States |
| technical | Shaun Dombrosky | DOMBR8-ARIN | [email protected], +1-406-541-5000 | 1221 N RUSSELL, Missoula, MT, 59808, United States |
Raw registry response
{
"endAutnum": 21947,
"entities": [
{
"entities": [
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2026-01-21T13:38:34-05:00"
},
{
"eventAction": "registration",
"eventDate": "2010-11-01T12:00:22-04:00"
}
],
"handle": "FEENS-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/FEENS-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/autnum/21947"
},
{
"href": "https://whois.arin.net/rest/poc/FEENS-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/autnum/21947"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
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],
"status": [
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],
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[
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[
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},
"text",
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""
]
],
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[
"email",
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"text",
"[email protected]"
],
[
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]
},
"text",
"+1-406-541-5495"
],
[
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},
"text",
"+1-406-880-5495"
],
[
"tel",
{
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]
},
"text",
"+1-406-532-5002"
]
]
]
},
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2026-07-30T10:15:56-04:00"
},
{
"eventAction": "registration",
"eventDate": "2023-06-02T13:28:20-04:00"
}
],
"handle": "FLYNN168-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/FLYNN168-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/autnum/21947"
},
{
"href": "https://whois.arin.net/rest/poc/FLYNN168-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/autnum/21947"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"technical"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
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],
[
"adr",
{
"label": "7330 Shedhorn Dr\nBozeman\nMT\n59718\nUnited States"
},
"text",
[
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]
],
[
"fn",
[],
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"Shannon Flynn"
],
[
"n",
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[
"Flynn",
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""
]
],
[
"kind",
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"text",
"individual"
],
[
"email",
[],
"text",
"[email protected]"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-406-541-5373"
]
]
]
},
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2025-11-20T08:30:31-05:00"
},
{
"eventAction": "registration",
"eventDate": "2005-01-18T17:07:10-05:00"
}
],
"handle": "NAE2-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/NAE2-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/autnum/21947"
},
{
"href": "https://whois.arin.net/rest/poc/NAE2-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/autnum/21947"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"abuse"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"adr",
{
"label": "1221 North Russell St\nMissoula\nMT\n59808\nUnited States"
},
"text",
[
"",
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"",
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""
]
],
[
"fn",
[],
"text",
"Network Abuse Email"
],
[
"org",
[],
"text",
"Blackfoot Telephone Cooperative Inc."
],
[
"kind",
[],
"text",
"group"
],
[
"email",
[],
"text",
"[email protected]"
],
[
"tel",
{
"type": [
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]
},
"text",
"+1-406-541-5000"
]
]
]
},
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2025-11-19T10:56:55-05:00"
},
{
"eventAction": "registration",
"eventDate": "2021-11-18T17:55:52-05:00"
}
],
"handle": "GRAYS80-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/GRAYS80-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/autnum/21947"
},
{
"href": "https://whois.arin.net/rest/poc/GRAYS80-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/autnum/21947"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"technical"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"adr",
{
"label": "1221 N Russell St\nMissoula\nMT\n59808\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
[],
"text",
"Jordan Grayson"
],
[
"n",
[],
"text",
[
"Grayson",
"Jordan",
"",
"",
""
]
],
[
"kind",
[],
"text",
"individual"
],
[
"email",
[],
"text",
"[email protected]"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-406-541-5000"
]
]
]
},
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2023-06-02T16:54:55-04:00"
},
{
"eventAction": "registration",
"eventDate": "2015-05-01T20:02:26-04:00"
}
],
"handle": "DOMBR8-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/DOMBR8-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/autnum/21947"
},
{
"href": "https://whois.arin.net/rest/poc/DOMBR8-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/autnum/21947"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"remarks": [
{
"description": [
"ARIN has attempted to validate the data for this POC, but has received no response from the POC since 2024-06-01"
],
"title": "Unvalidated POC"
}
],
"roles": [
"technical"
],
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"adr",
{
"label": "1221 N RUSSELL\nMissoula\nMT\n59808\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
[],
"text",
"Shaun Dombrosky"
],
[
"n",
[],
"text",
[
"Dombrosky",
"Shaun",
"",
"",
""
]
],
[
"kind",
[],
"text",
"individual"
],
[
"email",
[],
"text",
"[email protected]"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-406-541-5000"
]
]
]
}
],
"events": [
{
"eventAction": "last changed",
"eventDate": "2024-11-25T11:09:46-05:00"
},
{
"eventAction": "registration",
"eventDate": "1999-08-11T00:00:00-04:00"
}
],
"handle": "BTC-13",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/BTC-13",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/autnum/21947"
},
{
"href": "https://whois.arin.net/rest/org/BTC-13",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/autnum/21947"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"registrant"
],
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"fn",
[],
"text",
"Blackfoot Telephone Cooperative, Inc."
],
[
"adr",
{
"label": "1221 N. Russel St.\nMissoula\nMT\n59808\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"kind",
[],
"text",
"org"
]
]
]
}
],
"events": [
{
"eventAction": "last changed",
"eventDate": "2013-07-22T15:54:52-04:00"
},
{
"eventAction": "registration",
"eventDate": "2001-07-17T00:00:00-04:00"
}
],
"handle": "AS21947",
"links": [
{
"href": "https://rdap.arin.net/registry/autnum/21947",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/autnum/21947"
},
{
"href": "https://whois.arin.net/rest/asn/AS21947",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/autnum/21947"
}
],
"name": "BCI",
"notices": [
{
"description": [
"By using the ARIN RDAP/Whois service, you are agreeing to the RDAP/Whois Terms of Use"
],
"links": [
{
"href": "https://www.arin.net/resources/registry/whois/tou/",
"rel": "terms-of-service",
"type": "text/html",
"value": "https://rdap.arin.net/registry/autnum/21947"
}
],
"title": "Terms of Service"
},
{
"description": [
"If you see inaccuracies in the results, please visit: "
],
"links": [
{
"href": "https://www.arin.net/resources/registry/whois/inaccuracy_reporting/",
"rel": "inaccuracy-report",
"type": "text/html",
"value": "https://rdap.arin.net/registry/autnum/21947"
}
],
"title": "Whois Inaccuracy Reporting"
},
{
"description": [
"Copyright 1997-2026, American Registry for Internet Numbers, Ltd."
],
"title": "Copyright Notice"
}
],
"objectClassName": "autnum",
"port43": "whois.arin.net",
"rdapConformance": [
"nro_rdap_profile_0",
"rdap_level_0",
"nro_rdap_profile_asn_flat_0"
],
"startAutnum": 21947,
"status": [
"active"
]
}Results come from public internet registries and live global routing data. Results are cached for up to an hour. Lookups are logged with your IP address to prevent abuse — see our Privacy Policy.