AS11243 HALAR-ATG1

HALAR-ATG1 is Advanced Technologies Group, Inc., an IT consulting firm and managed service provider at 20 Cedar Street, New Rochelle, New York (ARIN org handle HALAR, ASN registered 2007). It serves small and medium businesses, non-profits and schools in Westchester County with network, VoIP, hosting and security services.

What it's used for

A single small block of provider-independent space. RIS observes exactly one IPv4 prefix, 168.100.170.0/24 (256 addresses), no IPv6, and one observed neighbour. One prefix and one upstream is the minimum viable AS: the reason to hold an ASN at this scale is to own the addresses rather than to route at scale.

The /24 is registered to HALAR — the holder's own ARIN org — and the sampled reverse DNS (dns0.atgnet.com) resolves under the company's own domain. Self-registered space wearing first-party rDNS is the clean signal of a real operator, and it rules out the IP-leasing shape entirely. The one name visible in the sample is a nameserver, which is what a small MSP typically puts in its own address space alongside mail and customer-facing servers.

Notable

The registry handle is a good lesson in not reading meaning into handles. HALAR is not a product, a place, or an acronym for the company — it comes from the surname of one of the firm's principals. Nothing about the string identifies the business; only the postal address and the atgnet.com contacts do.

Interesting

Advanced Technologies Group is a name shared by several unrelated companies (including a Chicago fintech consultancy). Only the New Rochelle address ties this AS to the right one.