$ query “AS19653” --type=asn → 1 result(s)
AS19653 · CTSTELECOM
CTS Communications Corp
AS19653 belongs to CTS Communications Corp and is a residential access provider, established in the United States in 2001. The system announces a respectable 61 952 IPv4 addresses, and supports IPv6. Its primary geographic footprint is in the United States.
- Top 5% — Top 5% of all autonomous systems by reach and degree
Basic Information
- Country
- 🇺🇸 United States
- Category
- Internet Service Provider
- Network Role
- Access Provider
- Data Origin
- Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
- Registered
- January 29, 2001
- Last Changed
- June 01, 2026
- Last Seen
- July 10, 2026 (active)
Prefix Summary
- IPv4 Prefixes (raw / aggregated)
- 9 / 9
- IPv6 Prefixes (raw / aggregated)
- 1 / 1
- IPv4 Addresses
- 61 952
- Largest IPv4 Prefix
- /17 (32 768 addresses)
- Largest IPv6 Prefix
- /32
- Geolocated Countries
- 🇺🇸 United States (70 400 IPs)
- Prefix Changed
- March 04, 2026
Reputation
- Reputation
- Pristine — 0 flagged IPs
Connectivity Summary
- Upstream Providers
- 3 upstreams providing transit
- Peers
- 194 networks exchanging traffic without transit
- Downstream Customers
- 9 downstreams buying transit
- Degree
- 206 unique BGP neighbors
- Reach
- 9 networks in customer cone
Upstream Providers (3)
Prefix Lists
IPv4 Prefixes (9 total)
- 146.113.0.0/17 (32 768 addresses (/17 prefix))
- 64.136.224.0/19 (8 192 addresses (/19 prefix))
- 64.20.192.0/20 (4 096 addresses (/20 prefix))
- 64.147.192.0/20 (4 096 addresses (/20 prefix))
- 67.219.192.0/20 (4 096 addresses (/20 prefix))
- 130.250.16.0/20 (4 096 addresses (/20 prefix))
- 205.204.48.0/20 (4 096 addresses (/20 prefix))
- 65.49.147.0/24 (256 addresses (/24 prefix))
- 192.146.243.0/24 (256 addresses (/24 prefix))
IPv6 Prefixes (1 total)
- 2605:8200::/32