AS21947
BCI
Blackfoot Telephone Cooperative, Inc.
Registry
Authoritative registration data
- AS number
- 21947
- Name
- BCI
- Organisation
- Blackfoot Telephone Cooperative, Inc.
- Country
- —
- RIR
- ARIN
- Registered
IPv4 prefixes
14
IPv6 prefixes
3
Total announced
17
Announced prefixes
Observed in BGP by route collectors, not a registry allocation list
| 69.51.64.0/18 | IPv4 | /18 | RPKI valid | |
| 209.137.224.0/19 | IPv4 | /19 | RPKI valid | |
| 209.200.192.0/19 | IPv4 | /19 | RPKI valid | |
| 216.14.224.0/19 | IPv4 | /19 | not checked | |
| 66.109.128.0/19 | IPv4 | /19 | not checked | |
| 192.225.176.0/20 | IPv4 | /20 | RPKI valid | |
| 216.47.48.0/20 | IPv4 | /20 | RPKI valid | |
| 64.25.128.0/20 | IPv4 | /20 | not checked | |
| 69.165.112.0/20 | IPv4 | /20 | not checked | |
| 192.150.152.0/21 | IPv4 | /21 | not checked | |
| 199.195.120.0/21 | IPv4 | /21 | RPKI valid | |
| 204.11.244.0/22 | IPv4 | /22 | RPKI valid | |
| 205.167.162.0/23 | IPv4 | /23 | not checked | |
| 198.60.195.0/24 | IPv4 | /24 | not checked | |
| 2001:1940::/32 | IPv6 | /32 | RPKI valid | |
| 2604:300::/32 | IPv6 | /32 | RPKI valid | |
| 2607:f8e0::/32 | IPv6 | /32 | not checked |
No rows match “”.
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Internet Exchanges
Exchanges where this network has a listed peering LAN connection
| Address families | ||
|---|---|---|
| IX-Denver: IX-Denver Fabric | 10,000 Mbps | IPv4 · IPv6 |
| SIX Seattle: MTU 1500 | 200,000 Mbps | IPv4 · IPv6 |
No rows match “”.
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Exchange membership means the network has a listed connection; it does not prove peering with other members.
Observed adjacencies
Networks seen next to AS21947 in BGP paths by route collectors.
Observed upstreams
10 networks seen before AS21947 in AS paths
| Families | |||
|---|---|---|---|
| AS1299 TWELVE99 | 1,191 | 3,864 |
v4
v6
|
| AS6939 HURRICANE | 815 | 2,084 |
v4
v6
|
| AS2914 NTT-DATA-2914 | 619 | 1,797 |
v4
v6
|
| AS15305 SYRINGANETWORKS | 198 | 577 |
v4
v6
|
| AS9002 RETN-AS | 42 | 130 |
v4
v6
|
| AS394256 CLOUDSINGULARITY | 15 | 50 |
v4
v6
|
| AS32621 TCV-511 | 14 | 44 |
v4
|
| AS7575 AARNET-AS-AP | 10 | 30 |
v4
|
| AS64289 MACARNE | 1 | 1 |
v4
|
| AS137409 GSLNETWORKS-AS-AP | 1 | 1 |
v4
|
No rows match “”.
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Observed downstreams
15 networks seen after AS21947 in AS paths
| Families | |||
|---|---|---|---|
| AS395861 MIA | 225 | 621 |
v4
|
| AS397162 SUMOFIBER-IDAHO | 197 | 567 |
v4
v6
|
| AS15331 BCI-LAB | 403 | 566 |
v4
v6
|
| AS46324 ADVANCED-STREAM-01 | 264 | 557 |
v4
|
| AS22785 GLACIER-BANCORP-INC | 230 | 428 |
v4
|
| AS27391 WASHCORP-AS1 | 92 | 359 |
v4
|
| AS33281 BRIGHAM-YOUNG-UNIVERSITY-IDAHO | 227 | 308 |
v4
v6
|
| AS33521 MISSOULA-COUNTY-PUBLIC-SCHOOLS | 225 | 273 |
v4
|
| AS54410 BDHS-AS | 225 | 273 |
v4
|
| AS20274 FVCC-AS | 150 | 182 |
v4
|
| AS1378 IBEL | 19 | 143 |
v4
|
| AS13590 MDMH | 117 | 138 |
v4
|
| AS402935 | 43 | 61 |
v4
v6
|
| AS393630 AVANTGUARD | 48 | 54 |
v4
|
| AS398437 HOT-SPRINGS-TEL-01 | 40 | 46 |
v4
|
No rows match “”.
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Uncertain adjacencies
6 adjacencies that may be an artefact of collector peering
| Families | |||
|---|---|---|---|
| AS24482 SGGS-AS-AP | 17 | 319 |
v4
v6
|
| AS49544 i3Dnet | 15 | 44 |
v4
v6
|
| AS36236 NETACTUATE | 12 | 37 |
v4
v6
|
| AS35280 F5 | 12 | 35 |
v4
|
| AS18106 VIEWQWEST-SG-AP | 5 | 5 |
v4
|
| AS34927 iFog-GmbH | 1 | 1 |
v4
|
No rows match “”.
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