AS21947Blackfoot Telephone Cooperative, Inc.
United StatesRegistryARINAt a glance
IPv4 prefixes
14
IPv6 prefixes
3
IPv4 addresses
71.4k
IPv6 /64s
12.9B
Upstream graph
The networks AS21947 is seen behind, one and two hops out, drawn from real AS paths.
AS21947Toward the internet core
Networks observed one and two hops upstream of AS21947 in real AS paths. A thicker line means more vantage points saw that adjacency, so weight tracks how well attested it is — not how much traffic it carries. Adjacency is an observation; whether it is a transit purchase or a settlement-free peering is an inference, and is labelled as one wherever we show it.
Neighbouring networks
68
adjacent networks
- Upstreams
- 1116%
- Peers
- 4363%
- Downstreams
- 1421%
Networks carrying this one's traffic toward the rest of the internet.
| Network | Country | Relationship | Paths | Vantage pts |
|---|---|---|---|---|
| AS1299Arelion (fka. Telia Carrier) |  SE | Peer | 1,176 | 77 |
| AS2914NTT America, Inc. | US | Peer | 782 | 34 |
| AS6939Hurricane Electric LLC | US | Peer | 374 | 48 |
| AS18106Viewqwest Pte Ltd |  SG | Peer | 98 | 2 |
| AS15305Syringa Networks, LLC | US | Peer | 55 | 6 |
| AS3130RGnet OU |  EE | Peer | 55 | 1 |
| AS49544i3D.net B.V |  NL | Peer | 52 | 2 |
| AS9002RETN Limited |  GB | Peer | 51 | 2 |
| AS58511Swoop (Anycast Global Backbone) |  AU | Peer | 48 | 2 |
| AS24482SG.GS | SG | Peer | 32 | 1 |
Prefixes
The largest blocks AS21947 originates, widest first.
| Prefix | Addresses | Visibility |
|---|---|---|
| 69.51.64.0/18 | 16.4k | 79/80 |
| 66.109.128.0/19 | 8.2k | 79/80 |
| 209.137.224.0/19 | 8.2k | 79/80 |
| 209.200.192.0/19 | 8.2k | 79/80 |
| 216.14.224.0/19 | 8.2k | 79/80 |
| 64.25.128.0/20 | 4.1k | 79/80 |
| 69.165.112.0/20 | 4.1k | 79/80 |
| 192.225.176.0/20 | 4.1k | 80/80 |
| 216.47.48.0/20 | 4.1k | 79/80 |
| 192.150.152.0/21 | 2k | 80/80 |
Routing data derived from RouteViews MRT archives, BGPKIT relationship inference and public registry data.