AS27521 — CATCOMM-ASN

AS27521 announces 12 IPv4 prefixes covering 6,400 addresses and 0 IPv6 prefixes.

About this network

The AS handle CATCOMM-ASN is held by CatComm Internet Services, LLC.

What it's used for

• The address space carries a mix of corporate and third-party registrations, including netnames like LVLT-CIS-149-69-45-224, CATCOMMNBLK1, and FON-110141491275648.
• Specific /24 blocks are registered to distinct entities such as DataSystems Technology Networks, Inc., Blessey Marine Services, Inc., and Yakutat Telecom Company, LLC, indicating leased or managed space for specific clients.
• With 6,400 IPv4 addresses announced across 12 prefixes and only 2 observed neighbours, the ratio suggests a small-scale access or business network rather than a large transit provider.

Notable

• Registrants largely align with the announcer, though several prefixes are registered to different companies, reflecting a model of providing connectivity to specific business clients.
• The inventory consists of 12 IPv4 prefixes with no IPv6 announcements, showing a purely IPv4-based service footprint.
• The address space includes blocks originally associated with Level 3 Communications (LVLT-CIS), suggesting historical acquisition or reassignment of infrastructure.

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

Announced prefixes

• 64.39.64.0/23
• 64.39.66.0/24
• 64.39.69.0/24
• 64.39.71.0/24
• 64.39.72.0/23
• 64.39.74.0/24
• 64.39.76.0/22
• 65.166.66.0/24
• 69.45.224.0/21
• 69.45.232.0/23
• 69.45.251.0/24
• 204.117.128.0/24

Upstream networks

• AS3356 Level 3 Parent, LLC
• AS13760 Uniti Fiber Holdings Inc.

Adjacent networks

• AS3356 Level 3 Parent, LLC
• AS13760 Uniti Fiber Holdings Inc.