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Autonomous System details for AS19518

AS19518
Rock Island Communications • rockisland.com

AS19518 — Rock Island Communications

AS Name
ROCKISLAND
Country
United States (US)
Website
Number of IPv4
18,432
Number of IPv6
3.63 × 1024
ASN type
ISP
Status
Assigned
Registry
ARIN
Allocated
January 16, 2001
Last updated
December 12, 2016

IP Ranges

4 IPv4 prefixes, 3 IPv6 prefixes
Prefix Company Number of IPs
44.30.136.0/21 Amateur Radio Digital Communications 2,048
63.249.0.0/19 Rock Island Communications 8,192
64.119.0.0/20 Rock Island Communications 4,096
207.32.160.0/20 Rock Island Communications 4,096
2602:2e5:666::/48 Private Customer 1.21 × 1024
2605:1500:aaaa::/48 Rock Island Communications 1.21 × 1024
2605:1500:fffe::/48 Rock Island Communications 1.21 × 1024

IP ranges are the different blocks of IP addresses advertised by an Autonomous System (AS). These ranges can be used by the same organization operating the AS, or by different organizations.

Peers of AS19518

11 peers

AS19518 peers with these other Autonomous Systems.

Peering is a direct, often free, traffic exchange between Autonomous Systems (ASNs). They share routes only to their own networks and customers, making connections faster and cheaper for that specific traffic, without providing full internet access to each other.

Upstreams of AS19518

4 upstreams

AS19518 uses these Autonomous Systems as its upstreams.

An upstream (or transit provider) is another AS that AS19518 pays for full internet connectivity, allowing it to reach all global destinations and be reachable by them.

Downstreams of AS19518

3 downstreams

AS19518 provides internet connectivity to these downstream Autonomous Systems.

A downstream is a customer Autonomous System that pays another AS (its provider) for internet access. The provider AS carries the downstream's traffic and makes its network reachable.

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