AS19901Brightspeed
United StatesRegistryARINAt a glance
IPv4 prefixes
1,373
IPv6 prefixes
48
IPv4 addresses
3.1M
IPv6 /64s
634M
Upstream graph
The networks AS19901 is seen behind, one and two hops out, drawn from real AS paths.
AS19901Toward the internet core
Networks observed one and two hops upstream of AS19901 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
- 536%
- Peers
- 964%
- Downstreams
- 00%
Networks carrying this one's traffic toward the rest of the internet.
| Network | Country | Relationship | Paths | Vantage pts |
|---|---|---|---|---|
| AS3356Lumen (Level 3) | US | Peer | 110,059 | 142 |
| AS12129123.Net, Inc. | US | Peer | 1,156 | 142 |
| AS36086Telx | US | Peer | 338 | 79 |
| AS13335Cloudflare, Inc. | US | Peer | 320 | 80 |
| AS49915Megaport (UK) Limited |  GB | Peer | 57 | 57 |
Prefixes
All 1,421The largest blocks AS19901 originates, widest first.
| Prefix | Addresses | Visibility |
|---|---|---|
| 67.6.0.0/16 | 65.5k | 79/80 |
| 71.210.0.0/16 | 65.5k | 79/80 |
| 71.213.0.0/16 | 65.5k | 79/80 |
| 71.217.0.0/16 | 65.5k | 79/80 |
| 71.219.0.0/16 | 65.5k | 79/80 |
| 75.170.0.0/16 | 65.5k | 79/80 |
| 75.173.0.0/16 | 65.5k | 79/80 |
| 97.114.0.0/16 | 65.5k | 79/80 |
| 174.19.0.0/16 | 65.5k | 79/80 |
| 184.100.0.0/16 | 65.5k | 79/80 |
Routing data derived from RouteViews MRT archives, BGPKIT relationship inference and public registry data.