View

If you are scraping this block for the prefixes that a AS originates, please use the data dumps in https://bgp.tools/kb/api and cache them

	Prefix	Description
	64.20.192.0/20	CTS Communications Corp
	64.136.224.0/19	CTS Communications Corp
	64.147.192.0/20	CTS Communications Corp
	65.49.147.0/24	City of Kalamazoo, Michigan
	67.219.192.0/20	CTS Communications Corp
	130.250.16.0/20	CTS Communications Corp
	146.113.0.0/17	Kalamazoo College
	192.146.243.0/24	Kalamazoo Valley Community College
	205.204.48.0/20	CTS Communications Corp
	2605:8200::/32	CTS Communications Corp

---

Network Policy

Click here to learn more about what this graph means and what makes up a network policy Global Aggregation Policy focused_lamport Policy flamboyant_mayer Policy gracious_hermann

Chart Display Options

Display links using non straight lines

Prefixes in selected policy

Load all prefixes in policy

---

How are upstreams and downstreams calculated?

Upstreams

	ASN	Description	IPv4	IPv6
	AS3356	Lumen (Level 3)	✔	✔
	AS30600	Metronet	✔	✔
	AS2914	NTT America, Inc.	✔	✔
	AS6939	Hurricane Electric LLC	✘	✔

---

Peers

	ASN	Description	IPv4	IPv6
	AS6939	Hurricane Electric LLC	✔	✔
	AS22379	Manifold Services Inc	✔	✔
	AS2914	NTT America, Inc.	✔	✔
	AS3356	Lumen (Level 3)	✔	✔
	AS30600	Metronet	✔	✔
	AS396027	Portage Public Schools	✔	✔
	AS54539	Calhoun ISD	✔	✘
	AS137409	GSL Networks Pty LTD	✔	✔
	AS40044	Bronson Healthcare Group, Inc.	✔	✘
	AS46825	Coldwater Board of Public Utilities	✔	✘
	AS54373	Message Express Internet	✔	✘
	AS11494	Kellogg Community College	✔	✘
	AS35874	Kalamazoo RESA	✔	✘
	AS17003	Zoetis Inc.	✔	✘
	AS4826	Vocus Connect International Backbone	✔	✔
	AS49544	i3D.net B.V	✔	✔
	AS11232	Midcontinent Communications	✔	✔
	AS8220	COLT	✔	✔
	AS13335	Cloudflare, Inc.	✔	✔
	AS7195	EdgeUno	✘	✔
	AS24482	SG.GS	✔	✔
	AS1828	Unitas Global	✔	✔
	AS52320	V.tal (GlobeNet)	✘	✔
	AS20115	Charter Communications LLC	✔	✔
	AS6204	INTERKVM HOST SRL	✘	✔
	AS20144	ICANN - L-root	✔	✔
	AS62642	Bigleaf Networks, Inc.	✔	✘
	AS32709	Joink, LLC	✔	✘
	AS199524	Gcore S.A.	✔	✔
	AS32590	Valve Corporation	✔	✔
	AS20473	The Constant Company, LLC	✘	✔
	AS36236	NetActuate, Inc	✔	✔
	AS5405	Inter.link GmbH	✘	✔
	AS14907	Wikimedia Foundation Inc.	✔	✔
	AS53597	Hoyos Consulting LLC	✔	✔
	AS21559	OSNET	✘	✔
	AS15169	Google LLC	✔	✘
	AS32133	Ting Fiber Inc.	✘	✔
	AS3223	Voxility LLP	✔	✘
	AS13786	Seaborn (Seabras USA, LLC)	✘	✔
	AS20326	TeraSwitch Networks Inc.	✘	✔
	AS396238	City of Fairlawn DBA FairlawnGig	✔	✘
	AS4455	IX Reach Ltd	✘	✔
	AS28283	Adyl Telecom	✘	✔

---

Downstreams

	ASN	Description	IPv4	IPv6
	AS22379	Manifold Services Inc	✔	✔
	AS396027	Portage Public Schools	✔	✔
	AS54539	Calhoun ISD	✔	✘
	AS40044	Bronson Healthcare Group, Inc.	✔	✘
	AS54373	Message Express Internet	✔	✘
	AS46825	Coldwater Board of Public Utilities	✔	✘
	AS11494	Kellogg Community College	✔	✘
	AS17003	Zoetis Inc.	✔	✘
	AS35874	Kalamazoo RESA	✔	✘
	AS20144	ICANN - L-root	✔	✔

ASHandle:       AS19653
OrgID:          CTSC
ASName:         CTSTELECOM
ASNumber:       19653
RegDate:        2001-01-29
Updated:        2025-03-14
TechHandle:     CIM5-ARIN
AbuseHandle:    ABUSE2202-ARIN
NOCHandle:      NOC33059-ARIN
Source:         ARIN



OrgID:          CTSC
OrgName:        CTS Communications Corp
CanAllocate:    
Street:         11880 College Blvd, Suite 100
City:           Overland Park
State/Prov:     KS
Country:        US
PostalCode:     66210
RegDate:        2001-01-09
Updated:        2025-03-18
OrgAdminHandle: CIM5-ARIN
OrgTechHandle:  CIM5-ARIN
OrgTechHandle:  TIERI-ARIN
OrgAbuseHandle: ABUSE2202-ARIN
OrgNOCHandle:   NOC33059-ARIN
OrgNOCHandle:   TIERI-ARIN
OrgRoutingHandle:   TIERI-ARIN
OrgDNSHandle:   HCM2-ARIN
OrgDNSHandle:   TIERI-ARIN
Source:         ARIN





OrgAdminHandle:       CIM5-ARIN
OrgAdminName:          CMN IP management
# Email removed, Log into bgp.tools to see whois emails


OrgTechHandle:        CIM5-ARIN
OrgTechName:           CMN IP management
# Email removed, Log into bgp.tools to see whois emails


OrgTechHandle:        TIERI-ARIN
OrgTechName:           Tier III
# Email removed, Log into bgp.tools to see whois emails


OrgAbuseHandle:       ABUSE2202-ARIN
OrgAbuseName:          Abuse Master
# Email removed, Log into bgp.tools to see whois emails


OrgNOCHandle:         NOC33059-ARIN
OrgNOCName:            NOC
# Email removed, Log into bgp.tools to see whois emails


OrgNOCHandle:         TIERI-ARIN
OrgNOCName:            Tier III
# Email removed, Log into bgp.tools to see whois emails


OrgRoutingHandle:     TIERI-ARIN
OrgRoutingName:        Tier III
# Email removed, Log into bgp.tools to see whois emails


OrgDNSHandle:         HCM2-ARIN
OrgDNSName:            hostmaster for Cinergy Metronet
# Email removed, Log into bgp.tools to see whois emails


OrgDNSHandle:         TIERI-ARIN
OrgDNSName:            Tier III
# Email removed, Log into bgp.tools to see whois emails


TechHandle:           CIM5-ARIN
TechName:              CMN IP management
# Email removed, Log into bgp.tools to see whois emails


AbuseHandle:          ABUSE2202-ARIN
AbuseName:             Abuse Master
# Email removed, Log into bgp.tools to see whois emails


NOCHandle:            NOC33059-ARIN
NOCName:               NOC
# Email removed, Log into bgp.tools to see whois emails

Last Update: 2025-12-24T03:28:39Z UTC

---

Member of the following AS-SETs

-	Member	ASN Count
RADB	as-hurricanev6	20185
LEVEL3	as-lumen-customers-asns	10695
LEVEL3	as-level3-origins-na	0
RADB	as16559:as-peers	44
RADB	as-wave-customers	4072
LEVEL3	as-sprint-origins	7309
RADB	as19653:as-peering	12
RADB	as-ctstelecom	12