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AS9559 — PLAINCOM-NZ Plain Communications Ltd

AS9559 announces 3 IPv4 prefixes covering 2,560 addresses and 1 IPv6 prefixes.

About this network

AS9559 (PLAINCOM-NZ) is held by Plain Communications Ltd, a long-established independent internet provider based in Canterbury, on New Zealand's South Island. The company sells internet connectivity to personal and business customers along with web hosting, web design and related services, and it describes itself as the oldest full ISP in Canterbury.

What it's used for

This is a small regional ISP that is also a web host, and the reverse DNS shows both halves of the business plainly. RIS sees 8 IPv4 prefixes carrying 2,560 addresses, with no IPv6: 202.49.64.0/21 as the anchor, several /24s carved out of it (202.49.66.0, 202.49.68.0 through 202.49.71.0), plus 202.49.140.0/24 and 202.36.174.0/24 from New Zealand's legacy 202.x allocations.

The sampled addresses resolve two ways. Some carry generic per-address names — 202-49-70-5.plain.net.nz, 202-49-66-133.plain.net.nz — which is how an ISP labels customer connections and statically assigned addresses. Others are named servers and hosted websites: osol1.plain.net.nz, monotony.plain.co.nz, and customer sites like www.backpack.co.nz and www.ate.co.nz sitting directly on the provider's space. That mix is characteristic of an older, full-service ISP that never split its access and hosting businesses onto separate networks.

Three BGP neighbours on 2,560 addresses is a modest, sensible amount of interconnection for a provider of this size: enough upstreams for resilience, no ambition to sell transit.

Notable

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

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