AS19653 — CTSTELECOM

Network type: residential

AS19653 announces 9 IPv4 prefixes covering 61,952 addresses and 1 IPv6 prefixes.

About this network

CTSTELECOM is the AS handle for CTS Communications Corp, a regional telecommunications provider based in Galesburg, Michigan.

What it's used for

• The address space carries residential and business access traffic, evidenced by reverse DNS entries such as static.ctstelecom.net, gpon.dynamic.ctstelecom.net, and ip.ctstelecom.net.
• The AS announces 61,952 IPv4 addresses across 9 prefixes and maintains 27 observed neighbours, a ratio consistent with a regional access network providing last-mile connectivity.

Notable

• Registrants largely align with the announcer, with most prefixes registered to CTS Communications Corp, though specific blocks are registered to Kalamazoo College, City of Kalamazoo, and Kalamazoo Valley Community College.
• The address inventory includes a large /17 block (146.113.0.0/17) registered to Kalamazoo College, alongside smaller /20 and /24 blocks serving various local entities.

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

Announced prefixes

• 64.20.192.0/20
• 64.136.224.0/19
• 64.147.192.0/20
• 65.49.147.0/24
• 67.219.192.0/20
• 130.250.16.0/20
• 146.113.0.0/17
• 192.146.243.0/24
• 205.204.48.0/20
• 2605:8200::/32

Upstream networks

• AS2914 NTT America, Inc.
• AS3356 Level 3 Parent, LLC
• AS6939 Hurricane Electric LLC
• AS30600 Metronet
• AS24482 SG.GS

Downstream networks

• AS22379 Manifold Services Inc
• AS396027 Portage Public Schools
• AS54539 Calhoun ISD
• AS40044 Bronson Healthcare Group, Inc.
• AS35874 Kalamazoo RESA
• AS11494 Kellogg Community College
• AS17003 Zoetis Inc.
• AS54373 Message Express Internet
• AS20144 ICANN

Adjacent networks

• AS6939 Hurricane Electric LLC
• AS2914 NTT America, Inc.
• AS22379 Manifold Services Inc
• AS3356 Level 3 Parent, LLC
• AS30600 Metronet
• AS396027 Portage Public Schools
• AS54539 Calhoun ISD
• AS40044 Bronson Healthcare Group, Inc.
• AS35874 Kalamazoo RESA
• AS24482 SG.GS
• AS11494 Kellogg Community College
• AS17003 Zoetis Inc.
• AS54373 Message Express Internet
• AS20144 ICANN

Internet exchanges

• Equinix Internet Exchange Ashburn — Ashburn, United States
• Seattle Internet Exchange — Seattle, United States
• Equinix Internet Exchange Chicago — Chicago, United States