AS4913Speedcast Communications, Inc
United StatesRegistryARINAt a glance
IPv4 prefixes
65
IPv6 prefixes
0
IPv4 addresses
35.9k
IPv6 /64s
0
Upstream graph
The networks AS4913 is seen behind, one and two hops out, drawn from real AS paths.
AS4913Toward the internet core
Networks observed one and two hops upstream of AS4913 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
27
adjacent networks
- Upstreams
- 1244%
- Peers
- 1452%
- Downstreams
- 14%
Networks carrying this one's traffic toward the rest of the internet.
| Network | Country | Relationship | Paths | Vantage pts |
|---|---|---|---|---|
| AS174Cogent Communications, LLC | US | Peer | 2,054 | 79 |
| AS49915Megaport (UK) Limited |  GB | Peer | 1,120 | 80 |
| AS4826Vocus Connect International Backbone |  AU | Peer | 560 | 80 |
| AS25180Exponential-E Ltd. | GB | Peer | 400 | 80 |
| AS2914NTT America, Inc. | US | Peer | 339 | 80 |
| AS133012Cocoa Oriental Network Limited |  HK | Peer | 227 | 80 |
| AS22381SAMM (Megatelecom) |  BR | Peer | 222 | 74 |
| AS8896GLOBALCONNECT AS |  NO | Peer | 119 | 80 |
| AS4230Claro (Embratel) | BR | Peer | 80 | 80 |
| AS33874Epic Communications Limited |  MT | Peer | 79 | 79 |
Prefixes
All 65The largest blocks AS4913 originates, widest first.
| Prefix | Addresses | Visibility |
|---|---|---|
| 212.39.160.0/19 | 8.2k | 80/80 |
| 64.19.240.0/20 | 4.1k | 79/80 |
| 72.2.224.0/20 | 4.1k | 79/80 |
| 79.140.200.0/21 | 2k | 80/80 |
| 186.208.36.0/22 | 1k | 79/80 |
| 186.208.44.0/22 | 1k | 79/80 |
| 186.208.32.0/23 | 512 | 79/80 |
| 216.226.74.0/23 | 512 | 79/80 |
| 64.49.144.0/24 | 256 | 79/80 |
| 72.2.236.0/24 | 256 | 79/80 |
Routing data derived from RouteViews MRT archives, BGPKIT relationship inference and public registry data.