Spectrum / Charter IP Lookup

Spectrum / Charter operates the following Autonomous System Numbers (ASNs): AS20115, AS11351, AS10796. Charter Communications (Spectrum) operates AS20115, providing cable internet across 41 US states; its rollout of DOCSIS 3.1 and IPv6 dual-stack makes it one of the more IPv6-forward US cable operators. Use our IP lookup tool to identify which specific ASN a Spectrum / Charter IP belongs to.

Spectrum / Charter holds multiple IP address blocks allocated by its regional internet registry. These blocks are announced via BGP under AS20115 and AS11351 and AS10796. You can identify Spectrum / Charter IP addresses using our IP lookup tool — enter any IP and check if the ISP/ASN fields show Spectrum / Charter.

Enter the IP address in our IP Lookup tool. The ISP and ASN fields will show whether the IP is registered to Spectrum / Charter (look for AS20115 or AS11351 or AS10796). You can also use our WHOIS Lookup to query the IP's network registration directly from the RIR database.

Spectrum / Charter provides internet services in: United States. IP geolocation for Spectrum / Charter addresses shows the registered location of the IP block, which may differ from the user's actual city.

Spectrum / Charter is a residential / fixed-line isp — its customer IPs are generally classified as residential or mobile, not VPN/proxy. However, customers may run VPN servers on Spectrum / Charter IP addresses, which can cause individual IPs to be flagged.