AS10692 DLS-LITH

DLS-LITH is DLS Internet Services (trading as DLS Communications), a privately held Illinois provider headquartered in Lake in the Hills, north-west of Chicago. RIS observes 6 announced IPv4 prefixes covering roughly 36,864 addresses, no IPv6, and 6 BGP neighbours.

What it's used for

DLS is a mixed access-and-hosting provider: it sells fixed wireless, DSL and circuit-based internet access, hosted VoIP and unified communications, and runs colocation and dedicated-server space out of two Chicago-metro data centers, including one at 216 W. Jackson Blvd. The routing matches. Announcements are four sizeable aggregates (209.242.0.0/18, 66.117.160.0/19, 216.145.224.0/19, 216.180.160.0/20) plus two /24s pulled out for traffic engineering, and reverse DNS is first-party throughout: infrastructure names like dnscache3.dls.net and f8-22.cr2.lith.dls.net alongside generic templated customer names under rev.dls.net. The lith in that router name and in the AS handle is the company's Lake in the Hills home site.

Notable

Six upstreams against ~37k addresses is a well-multi-homed regional provider, not a carrier. The generic per-address rDNS covers customer assignments, but it names an addressing convention rather than a customer type — the company serves both homes and businesses, and the sampled names do not distinguish which is which, so the space is best read as a mixed regional service-provider network.

Interesting

DLS launched in the 1990s and its address holdings reflect that: three separate legacy /18–/19 blocks in the 66.x, 209.x and 216.x ranges, more space than a company of its headcount could obtain today.