AS19518 — ROCKISLAND

AS19518 announces 4 IPv4 prefixes covering 18,432 addresses and 3 IPv6 prefixes.

About this network

ROCKISLAND is the AS handle for Rock Island Communications.

What it's used for

• The address space carries fiber access infrastructure, evidenced by reverse DNS entries such as fiber.ric.network and reserved.ric.network.
• The network announces 18,432 IPv4 addresses across 4 prefixes and maintains 15 observed neighbours, a ratio consistent with a regional access provider rather than a transit hub.

Notable

• Registrants for the primary prefixes (INL-46, ROCKISLAND, ROCKISLAND2) align with the announcer, Rock Island Communications.
• The prefix 44.30.136.0/21 is registered to Amateur Radio Digital Communications under the netname AMPRNET, indicating a distinct or leased allocation within the AS.
• The inventory includes a mix of /19, /20, and /21 blocks, with the largest being 63.249.0.0/19.

This description is AI-generated, best-effort context — not authoritative, and provided without any guarantee of accuracy.

Announced prefixes

• 44.30.136.0/21
• 63.249.0.0/19
• 64.119.0.0/20
• 207.32.160.0/20
• 2602:2e5:666::/48
• 2605:1500:aaaa::/48
• 2605:1500:fffe::/48

Upstream networks

• AS6939 Hurricane Electric LLC
• AS137409 GSL Networks Pty LTD
• AS394256 Tech Futures Interactive Inc.
• AS24482 SG.GS
• AS3130 RGnet OU
• AS11404 Wave Broadband
• AS34927 iFog GmbH
• AS20055 Wholesail networks LLC

Downstream networks

• AS53548 Orcas Online, Inc
• AS26370 Pal Communications LLC
• AS1246 Zito Media

Adjacent networks

• AS6939 Hurricane Electric LLC
• AS137409 GSL Networks Pty LTD
• AS53548 Orcas Online, Inc
• AS26370 Pal Communications LLC
• AS1246 Zito Media
• AS24482 SG.GS
• AS394256 Tech Futures Interactive Inc.
• AS11404 Wave Broadband
• AS3130 RGnet OU
• AS20055 Wholesail networks LLC
• AS34927 iFog GmbH

Internet exchanges

• Seattle Internet Exchange — Seattle, United States