AS30021SonicWALL, Inc.
United StatesRegistryARINAt a glance
IPv4 prefixes
12
IPv6 prefixes
1
IPv4 addresses
3.1k
IPv6 /64s
65.5k
Upstream graph
The networks AS30021 is seen behind, one and two hops out, drawn from real AS paths.
AS30021Toward the internet core
Networks observed one and two hops upstream of AS30021 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
12
adjacent networks
- Upstreams
- 542%
- Peers
- 758%
- 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 | 676 | 122 |
| AS7018AT&T Enterprises, LLC | US | Peer | 126 | 14 |
| AS13237euNetworks GmbH |  DE | Peer | 94 | 47 |
| AS3549Lumen (fka. Global Crossing) | US | Peer | 66 | 33 |
| AS3356Lumen (Level 3) | US | Peer | 45 | 45 |
Prefixes
The largest blocks AS30021 originates, widest first.
| Prefix | Addresses | Visibility |
|---|---|---|
| 173.240.208.0/24 | 256 | 79/80 |
| 173.240.209.0/24 | 256 | 79/80 |
| 173.240.210.0/24 | 256 | 79/80 |
| 173.240.211.0/24 | 256 | 79/80 |
| 173.240.212.0/24 | 256 | 79/80 |
| 173.240.213.0/24 | 256 | 79/80 |
| 173.240.214.0/24 | 256 | 79/80 |
| 173.240.215.0/24 | 256 | 79/80 |
| 173.240.216.0/24 | 256 | 80/80 |
| 173.240.221.0/24 | 256 | 80/80 |
Routing data derived from RouteViews MRT archives, BGPKIT relationship inference and public registry data.