AS19693 — CENTRILOGIC-ASN

Network type: hosting

AS19693 announces 20 IPv4 prefixes covering 12,032 addresses and 1 IPv6 prefixes.

About this network

CENTRILOGIC-ASN is operated by Centrilogic, Inc.

What it's used for

• The address space carries corporate IT infrastructure, evidenced by netnames such as CENTRILOGIC-ROCH-NY, CENTRILOGIC-CANADA, and CENTRILOGIC-CY.
• The inventory includes 12032 IPv4 addresses across 20 prefixes and 1 IPv6 prefix, with 5 observed neighbours, indicating a business network with limited transit peering.

Notable

• Registrants include Centrilogic, Inc., Centrilogic IP Tech, NTT America, Inc., VIPAR, and Bausch & Lomb, suggesting a mix of owned space and leased or historical allocations.
• The address inventory is finely subdivided into site-specific blocks, consistent with an internal corporate estate rather than a public access network.

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

Announced prefixes

• 157.238.136.0/21
• 158.247.92.0/22
• 161.242.11.0/24
• 161.242.37.0/24
• 172.98.204.0/23
• 173.240.4.0/24
• 173.240.6.0/23
• 173.240.10.0/24
• 173.240.13.0/24
• 173.240.14.0/24
• 198.87.208.0/21
• 204.17.197.0/24
• 206.198.196.0/22
• 209.251.48.0/23
• 209.251.51.0/24
• 209.251.52.0/22
• 209.251.60.0/23
• 209.251.62.0/24
• 216.42.131.0/24
• 216.42.132.0/24
• 2604:9000::/32

Upstream networks

• AS1299 Arelion Sweden AB
• AS46887 Crown Castle Fiber LLC
• AS174 Cogent Communications, LLC
• AS2914 NTT America, Inc.

Downstream networks

• AS20359 Preferred Mutual Insurance Company

Adjacent networks

• AS1299 Arelion Sweden AB
• AS46887 Crown Castle Fiber LLC
• AS174 Cogent Communications, LLC
• AS2914 NTT America, Inc.
• AS20359 Preferred Mutual Insurance Company