AS19021BTC Broadband Inc.
United StatesRegistryARINAt a glance
IPv4 prefixes
15
IPv6 prefixes
0
IPv4 addresses
28.9k
IPv6 /64s
0
Upstream graph
The networks AS19021 is seen behind, one and two hops out, drawn from real AS paths.
AS19021Toward the internet core
Networks observed one and two hops upstream of AS19021 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
14
adjacent networks
- Upstreams
- 321%
- Peers
- 857%
- Downstreams
- 321%
Networks carrying this one's traffic toward the rest of the internet.
| Network | Country | Relationship | Paths | Vantage pts |
|---|---|---|---|---|
| AS3356Lumen (Level 3) | US | Peer | 733 | 53 |
| AS174Cogent Communications, LLC | US | Peer | 560 | 75 |
| AS7018AT&T Enterprises, LLC | US | Peer | 10 | 3 |
Prefixes
The largest blocks AS19021 originates, widest first.
| Prefix | Addresses | Visibility |
|---|---|---|
| 38.59.144.0/20 | 4.1k | 79/80 |
| 38.146.144.0/20 | 4.1k | 79/80 |
| 38.187.144.0/20 | 4.1k | 79/80 |
| 67.217.144.0/20 | 4.1k | 79/80 |
| 209.150.240.0/20 | 4.1k | 79/80 |
| 216.14.144.0/20 | 4.1k | 79/80 |
| 38.59.152.0/21 | 2k | 79/80 |
| 162.208.44.0/23 | 512 | 79/80 |
| 8.43.40.0/24 | 256 | 75/80 |
| 8.43.41.0/24 | 256 | 75/80 |
Routing data derived from RouteViews MRT archives, BGPKIT relationship inference and public registry data.