AS18849 — RICHESIN-ENG

AS18849 announces 2 IPv4 prefixes covering 768 addresses and 1 IPv6 prefixes.

About this network

The AS handle RICHESIN-ENG is held by Richesin Engineering, LLC.

What it's used for

• The address space is registered under netnames RICHESIN-238 and RICHESIN-ENGINEERING, indicating a corporate network for an engineering firm.
• The AS announces 768 IPv4 addresses across 2 prefixes and 1 IPv6 prefix, while maintaining 12 observed neighbours. This ratio of modest address space to a moderate number of peering partners suggests a business network with specific connectivity requirements rather than a large-scale transit or residential provider.

Notable

• The RDAP registrants for both announced IPv4 prefixes are listed as Richesin Engineering, LLC, which aligns perfectly with the AS holder.
• The address inventory consists of two distinct IPv4 blocks, 74.85.238.0/23 and 72.19.11.0/24, alongside a single /32 IPv6 prefix.

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

Announced prefixes

• 72.19.11.0/24
• 74.85.238.0/23
• 2605:1940::/32

Upstream networks

• AS18530 Isomedia, Inc.
• AS6939 Hurricane Electric LLC
• AS9002 RETN Limited
• AS52025 ParadoxNetworks Limited
• AS24482 SG.GS
• AS394256 Tech Futures Interactive Inc.
• AS3130 RGnet OU
• AS293 ESnet
• AS7575 Australian Academic and Research Network (AARNet)

Adjacent networks

• AS18530 Isomedia, Inc.
• AS6939 Hurricane Electric LLC
• AS9002 RETN Limited
• AS7575 Australian Academic and Research Network (AARNet)
• AS394256 Tech Futures Interactive Inc.
• AS52025 ParadoxNetworks Limited
• AS293 ESnet
• AS24482 SG.GS
• AS3130 RGnet OU

Internet exchanges

• Seattle Internet Exchange — Seattle, United States