AS10688 ISM AUTOMACAO S.A.

AS10688 is registered to ISM Automacao S.A., a Brazilian company, and announces a single IPv4 prefix — 200.215.128.0/19, about 8,192 addresses — with no IPv6 and a single observed BGP neighbour.

What it's used for

This is honestly hard to pin down, and the card says so rather than guessing. The routing shape is that of a stub: one aggregate, one upstream, nothing deaggregated. RIS shows the sole observed neighbour as MLS Wireless S/A, a Brazilian access operator, so whatever ISM Automacao does with this space, it reaches the internet through another Brazilian provider rather than buying transit from a global carrier. The 200.215.0.0/16 range is LACNIC space consistent with the Brazilian registration. Reverse DNS was sampled on only two addresses and returned nothing, which is a sample and not a finding — no inference is drawn from it here.

Notable

The company name suggests industrial or building automation rather than telecommunications, but a /19 is a large holding for a pure enterprise, and Brazilian address space of this vintage has frequently been put to work behind regional access networks. Without first-party reverse DNS or a findable corporate web presence to corroborate either reading, the space is classified as ambiguous rather than assigned a use it may not have.

Interesting

A single-neighbour, single-prefix AS like this exists almost entirely so its holder can keep its addresses while changing providers. That is the classic reason a small organisation bothers to run BGP at all.