AS30238Cisco Systems Ironport Division
United StatesRegistryARINAt a glance
IPv4 prefixes
60
IPv6 prefixes
4
IPv4 addresses
15.4k
IPv6 /64s
262k
Upstream graph
The networks AS30238 is seen behind, one and two hops out, drawn from real AS paths.
AS30238Toward the internet core
Networks observed one and two hops upstream of AS30238 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 |
|---|---|---|---|---|
| AS3257GTT Communications Inc. | US | Peer | 1,962 | 102 |
| AS20562Open Peering (Broadband Hosting B.V.) |  NL | Peer | 1,067 | 80 |
| AS15830Equinix, Inc. | NL | Peer | 984 | 98 |
| AS174Cogent Communications, LLC | US | Peer | 771 | 66 |
| AS24785Joint Transit (Broadband Hosting B.V.) | NL | Peer | 238 | 17 |
Prefixes
All 64The largest blocks AS30238 originates, widest first.
| Prefix | Addresses | Visibility |
|---|---|---|
| 23.90.102.0/24 | 256 | 78/80 |
| 23.90.104.0/24 | 256 | 79/80 |
| 23.90.105.0/24 | 256 | 80/80 |
| 23.90.110.0/24 | 256 | 78/80 |
| 23.90.111.0/24 | 256 | 80/80 |
| 23.90.114.0/24 | 256 | 80/80 |
| 23.90.115.0/24 | 256 | 80/80 |
| 23.90.116.0/24 | 256 | 78/80 |
| 23.90.117.0/24 | 256 | 80/80 |
| 23.90.118.0/24 | 256 | 78/80 |
Routing data derived from RouteViews MRT archives, BGPKIT relationship inference and public registry data.