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 ARIN and LACNIC do not publish theirs, so holders in North and South America are largely missing here.
IPv4 addresses
20,480
IPv6 /64s
-
Registered blocks
3
Countries
2
What this tells you
- Holds 20,480 IPv4 addresses across 3 registered blocks.
- 34% 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 19% of the IPv4 space.
- Its space resolves to 2 countries, mostly United States (99% of the IPv4 space).
Networks announcing this space
| Network | IPv4 share | |
|---|---|---|
| AS30238 Cisco Systems Ironport Division | 19% | |
| AS16509 Amazon.com, Inc. | 12% | |
| AS8987 Amazon Gov Cloud | 1% | |
| AS36692 Cisco OpenDNS, LLC | 1% | |
| Not announced to the internet | 66% |
Countries this space resolves to
| Country | IPv4 share | |
|---|---|---|
| United States | 99% | |
| Germany | 1% |
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.