AS19653
CTS Communications Corp
Reputation · trust score
A transparent 0–100 signal. Every entity starts at a neutral baseline of 65; threat-intel blocklists, exposure, reverse-DNS, routing and allocation each adjust it up or down. Higher is more trustworthy.
- Baseline (neutral) 65
- Isp allocation +5
- Trust score 70 / 100
Experimental · trust-vectors model v1.1.0 — a transparent heuristic, not a definitive verdict. How it works →
Network profile
Source: PeeringDB →Present at 2 internet exchanges: Equinix Ashburn, Equinix Chicago
AS19653 — global IP footprint
Cities where AS19653 has measurable IPv4 allocation. Click any dot to open that city's page. Size and color scale with IP count.
Top CIDR ranges
| CIDR | IPs | PTR Density | Organization | Country | State | City |
|---|---|---|---|---|---|---|
| 146.113.0.0/17 | 32.8K |
0.2%
|
CTS Communications Corp | US | Michigan | Kalamazoo |
| 64.136.224.0/19 | 8.2K |
87.9%
|
CTS Communications Corp | US | Michigan | Portage |
| 64.20.192.0/20 | 4.1K |
77.0%
|
CTS Communications Corp | US | Michigan | Kalamazoo |
| 64.147.192.0/20 | 4.1K |
94.8%
|
CTS Communications Corp | US | Michigan | Kalamazoo |
| 67.219.192.0/20 | 4.1K |
84.0%
|
CTS Communications Corp | US | Michigan | Kalamazoo |
| 130.250.16.0/20 | 4.1K |
0.0%
|
CTS Communications Corp | US | Michigan | Kalamazoo |
| 205.204.48.0/20 | 4.1K |
85.5%
|
CTS Communications Corp | US | Michigan | Climax |
| 65.49.147.0/24 | 256 |
0.4%
|
CTS Communications Corp | US | — | — |
| 192.146.243.0/24 | 256 |
0.0%
|
CTS Communications Corp | US | Michigan | Kalamazoo |
BGP Announced Prefixes
Live BGP anomalies →Prefixes AS19653 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.
| Prefix | Announcement samples | Last seen |
|---|---|---|
| 65.49.147.0/24 | 6,260 | 2026-07-23 16:41:10 |
| 130.250.16.0/20 | 4,218 | 2026-07-23 16:41:10 |
| 67.219.192.0/20 | 4,003 | 2026-07-23 16:41:10 |
| 64.20.192.0/20 | 3,994 | 2026-07-23 16:41:10 |
| 64.136.224.0/19 | 3,991 | 2026-07-23 16:41:10 |
| 64.147.192.0/20 | 3,986 | 2026-07-23 16:41:10 |
| 205.204.48.0/20 | 3,953 | 2026-07-23 16:41:10 |
| 146.113.0.0/17 | 3,699 | 2026-07-23 16:41:10 |
| 192.146.243.0/24 | 3,679 | 2026-07-23 16:41:10 |
Frequently Asked Questions
What is AS19653?
AS19653 is an Autonomous System Number assigned to CTS Communications Corp. An ASN identifies a network that controls a specific set of IP addresses and determines how traffic is routed across the internet via BGP (Border Gateway Protocol).
How many IP addresses does AS19653 announce?
AS19653 announces 62.0K IPv4 addresses distributed across 9 routed CIDR prefixes. The network is registered in United States.
Who operates AS19653?
AS19653 is operated by CTS Communications Corp. The organization is based in United States. You can view all IP ranges and related ASNs on the organization page.
What country is AS19653 registered in?
AS19653 is registered in United States. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.