AS40156 — THEOPT-HOU - The Optimal Link Corporation

Network type: hosting

AS40156 announces 10 IPv4 prefixes covering 11,008 addresses and 3 IPv6 prefixes.

About this network

THEOPT-HOU is operated by The Optimal Link Corporation.

What it's used for

• The address space carries hosting and business infrastructure, evidenced by netnames such as OPLINK-NET, NEWLINE-CGNT-NET-2, and CYBERONESOL.
• The AS announces 11,008 IPv4 addresses across 10 prefixes and 3 IPv6 prefixes, with only 4 observed neighbours, indicating a hosting or business network rather than a transit provider.
• Traffic from this AS consists of web servers, VPS instances, and dedicated hosting endpoints for clients in the Houston metropolitan area.

Notable

• Registrants for the largest prefixes (66.187.64.0/20, 216.230.224.0/20, 162.218.228.0/22) are The Optimal Link Corporation, while smaller prefixes are registered to various third-party entities like Infotech Houston Solutions LLC and Newline Hosting.
• The address inventory is a mix of large blocks owned by the operator and smaller /24 blocks registered to different organizations, suggesting a portfolio of acquired or leased space.

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

Announced prefixes

• 23.128.116.0/24
• 23.189.208.0/24
• 38.252.8.0/24
• 66.187.64.0/20
• 139.64.155.0/24
• 142.249.221.0/24
• 162.218.228.0/22
• 193.202.106.0/24
• 195.8.117.0/24
• 216.230.224.0/20
• 2001:67c:1388::/48
• 2602:f7c4:1::/48
• 2604:e880::/32

Upstream networks

• AS3356 Level 3 Parent, LLC
• AS174 Cogent Communications, LLC

Downstream networks

• AS153393 RACKVOLT CLOUD SOLUTIONS PRIVATE LIMITED
• AS402084 AES Services LLC

Adjacent networks

• AS3356 Level 3 Parent, LLC
• AS174 Cogent Communications, LLC
• AS153393 RACKVOLT CLOUD SOLUTIONS PRIVATE LIMITED
• AS402084 AES Services LLC

Routing security

• RPKI: 6 valid, 0 invalid and 7 not-found announcements; 6 ROAs.
• ASPA: none published.
• IRR: 85% of announcements registered; 11 route objects.
• Listed in as-sets: AS204464:AS-BLACKLIST.