AS19653 CTS Communications Corp

CTSTELECOM - CTS Communications Corp · registered in the United States

IPv4 addresses61,9529 prefixes · 0.002% of announced IPv4

Rank in United States#1,381largest network in US by IPv4 space, of 18,338 · <0.01% of US

Rank worldwide#3,601of 79,396 networks with IPv4

IPv61 x /32 (65,536 x /48)1 prefixes

CountryUnited States18,679 ASNs registered there

Open AS19653 in ASN lookup Look up an IP in this network (64.20.192.1) All networks in United States

IPv4 prefixes

All 9 prefixes, in address order.

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

IPv6 prefixes

All 1 prefix.

2605:8200::/32

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IP-to-ASN data: iptoasn.com (public domain). Snapshot downloaded 2026-11-11, refreshed daily. Ranges are what each network announces in BGP, not registry allocations. Data sources