Registered organisation
Cisco Systems, Inc.
Address space registered to Cisco Systems, Inc., and where it is announced from.
Registered holders come from the bulk whois that RIPE, APNIC and AFRINIC publish. ARIN and LACNIC do not publish theirs, so space held in North and South America is largely unattributed here.
What this tells you
- Holds 22,528 IPv4 addresses across 4 registered blocks.
- 32% of this organisation's IPv4 space is announced. The rest is registered to them and not currently routed.
- Announced by 4 networks, the largest being AS30238 Cisco Systems Ironport Division at 17% of the IPv4 space.
- Its space resolves to 2 countries, mostly United States (95% of the IPv4 space).
Networks announcing this space
Space announced by a network covers 32% of this holder's IPv4 space. The table below divides that space.
| Network | IPv4 share | |
|---|---|---|
| AS30238 Cisco Systems Ironport Division | 54% | |
| AS16509 Amazon.com, Inc. | 36% | |
| AS36692 Cisco OpenDNS, LLC | 7% | |
| AS8987 Amazon Gov Cloud | 4% |
Countries this space resolves to
Space we can place in a country covers 100% of this holder's IPv4 space. The table below divides that space.
| Country | IPv4 share | |
|---|---|---|
| United States | 95% | |
| United Kingdom | 5% |
An operator of the same name runs networks of its own: see Cisco Systems, Inc. for the networks side of the same company.
Holding a block is a registry fact, not a physical one. The organisation named here is who the block is assigned to, which is often a customer of the network operator announcing it.
Every figure on this page is also JSON: /api/v2/directory/org/cisco-systems-inc. Breakdowns paginate from there, so a table showing the largest rows here returns all of them. Read the API.