AS399837Altamaha Fiber
United StatesRegistryARINAt a glance
IPv4 prefixes
37
IPv6 prefixes
0
IPv4 addresses
21.2k
IPv6 /64s
0
Upstream graph
The networks AS399837 is seen behind, one and two hops out, drawn from real AS paths.
AS399837Toward the internet core
Networks observed one and two hops upstream of AS399837 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
8
adjacent networks
- Upstreams
- 338%
- Peers
- 450%
- Downstreams
- 113%
Networks carrying this one's traffic toward the rest of the internet.
| Network | Country | Relationship | Paths | Vantage pts |
|---|---|---|---|---|
| AS63370Georgia System Operations, Corporation | US | Peer | 1,403 | 80 |
| AS26744Planters Communications, LLC | US | Peer | 1,157 | 80 |
| AS1299Arelion (fka. Telia Carrier) |  SE | Peer | 560 | 80 |
Prefixes
All 37The largest blocks AS399837 originates, widest first.
| Prefix | Addresses | Visibility |
|---|---|---|
| 209.239.32.0/19 | 8.2k | 80/80 |
| 136.245.128.0/20 | 4.1k | 80/80 |
| 136.245.129.0/24 | 256 | 80/80 |
| 136.245.130.0/24 | 256 | 80/80 |
| 136.245.131.0/24 | 256 | 80/80 |
| 136.245.132.0/24 | 256 | 80/80 |
| 209.239.32.0/24 | 256 | 80/80 |
| 209.239.33.0/24 | 256 | 80/80 |
| 209.239.34.0/24 | 256 | 80/80 |
| 209.239.35.0/24 | 256 | 80/80 |
Routing data derived from RouteViews MRT archives, BGPKIT relationship inference and public registry data.