AS23525 — CNC-CNB

AS23525 announces 2 IPv4 prefixes covering 512 addresses and 0 IPv6 prefixes.

About this network

CNC-CNB is held by Canandaigua National Corporation, the bank holding company for The Canandaigua National Bank.

What it's used for

• The address space carries corporate infrastructure, with reverse DNS pointing to static.firstlight.net for the 66.152.126.0/24 block and biz.spectrum.com for the 72.43.67.0/24 block.
• The AS announces 512 IPv4 addresses across 2 prefixes and maintains 2 observed neighbours, indicating a small, self-contained corporate network rather than a transit or access provider.

Notable

• Registrants differ from the announcer: 66.152.126.0/24 is registered to FirstLight Networks, LLC (netname FLNET-17), while 72.43.67.0/24 is registered to CANANDAIGUA NATIONAL BANK (netname NET-72-43-67-0-1).
• The inventory consists of two distinct /24 blocks, one leased from a regional ISP and one directly registered to the bank, reflecting a typical corporate multi-homed or leased-space setup.

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

Announced prefixes

• 66.152.126.0/24
• 72.43.67.0/24

Upstream networks

• AS13536 FirstLight Fiber, Inc.
• AS11351 Charter Communications Inc

Adjacent networks

• AS13536 FirstLight Fiber, Inc.
• AS11351 Charter Communications Inc

Routing security

• RPKI: 2 valid, 0 invalid and 0 not-found announcements; 2 ROAs.
• ASPA: none published.
• IRR: 100% of announcements registered; 4 route objects.
• Listed in as-sets: AS-CHTR-SYNC, AS-HURRICANE, AS-RR-BIZ, AS-TVC, AS-XO-B, AS13536:AS-CONE, AS14477:AS-CUSTOMERS, AS3770:AS-ALL.