AS18615Mainstream Fiber Networks, LLC
United StatesRegistryARINAt a glance
IPv4 prefixes
8
IPv6 prefixes
1
IPv4 addresses
38.4k
IPv6 /64s
4.3B
Upstream graph
The networks AS18615 is seen behind, one and two hops out, drawn from real AS paths.
AS18615Toward the internet core
Networks observed one and two hops upstream of AS18615 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
31
adjacent networks
- Upstreams
- 723%
- Peers
- 2477%
- Downstreams
- 00%
Networks carrying this one's traffic toward the rest of the internet.
| Network | Country | Relationship | Paths | Vantage pts |
|---|---|---|---|---|
| AS174Cogent Communications, LLC | US | Peer | 373 | 83 |
| AS6461Zayo Bandwidth | US | Peer | 229 | 71 |
| AS6939Hurricane Electric LLC | US | Peer | 60 | 18 |
| AS25091IP-Max SA |  CH | Peer | 18 | 4 |
| AS49544i3D.net B.V |  NL | Peer | 9 | 2 |
| AS137409GSL Networks Pty LTD |  AU | Peer | 3 | 1 |
| AS4230Claro (Embratel) |  BR | Peer | 1 | 1 |
Prefixes
The largest blocks AS18615 originates, widest first.
| Prefix | Addresses | Visibility |
|---|---|---|
| 38.194.0.0/18 | 16.4k | 79/80 |
| 38.2.0.0/19 | 8.2k | 79/80 |
| 23.252.0.0/20 | 4.1k | 79/80 |
| 163.182.176.0/20 | 4.1k | 79/80 |
| 147.160.8.0/21 | 2k | 79/80 |
| 149.20.248.0/21 | 2k | 79/80 |
| 74.116.20.0/22 | 1k | 79/80 |
| 206.126.242.0/23 | 512 | 79/80 |
| 2607:1c80::/32 | 4.3B × /64 | 61/62 |
Routing data derived from RouteViews MRT archives, BGPKIT relationship inference and public registry data.