AS399937Cisco Webex LLC
United StatesRegistryARINAt a glance
IPv4 prefixes
13
IPv6 prefixes
0
IPv4 addresses
3.3k
IPv6 /64s
0
Upstream graph
The networks AS399937 is seen behind, one and two hops out, drawn from real AS paths.
AS399937Toward the internet core
Networks observed one and two hops upstream of AS399937 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
13
adjacent networks
- Upstreams
- 646%
- Peers
- 754%
- 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 | 598 | 80 |
| AS13445Cisco Webex LLC | US | Peer | 240 | 80 |
| AS7474SingTel Optus Pty Ltd |  AU | Peer | 88 | 44 |
| AS1221Telstra Limited | AU | Peer | 70 | 35 |
| AS4637Telstra International Limited |  HK | Peer | 34 | 34 |
| AS1000LINK AMERICAN | US | Peer | 1 | 1 |
Prefixes
The largest blocks AS399937 originates, widest first.
| Prefix | Addresses | Visibility |
|---|---|---|
| 8.38.216.0/24 | 256 | 79/80 |
| 139.177.84.0/24 | 256 | 80/80 |
| 139.177.85.0/24 | 256 | 80/80 |
| 139.177.86.0/24 | 256 | 80/80 |
| 139.177.87.0/24 | 256 | 79/80 |
| 139.177.88.0/24 | 256 | 79/80 |
| 139.177.89.0/24 | 256 | 79/80 |
| 139.177.90.0/24 | 256 | 79/80 |
| 139.177.91.0/24 | 256 | 80/80 |
| 139.177.92.0/24 | 256 | 79/80 |
Routing data derived from RouteViews MRT archives, BGPKIT relationship inference and public registry data.