Charter (Spectrum) IP Ranges
Charter (Spectrum) is a consumer and business internet provider. Its network is registered under AS20115 with ARIN, and it announces 2412 IPv4 prefixes to the global routing table.
- Provider
- Charter (Spectrum)
- Primary ASN
- AS20115
- Category
- ISP
- Headquarters
- Stamford, CT, USA
- Announced IPv4 prefixes
- 2412
- Registry
- ARIN
Known IP ranges
These prefixes are currently announced to the global routing table by AS20115 (CHARTER-20115 - Charter Communications LLC). Prefix sets change over time - use WHOIS Lookup for the authoritative record on any specific address.
47.132.0.0/15
137.25.0.0/16
23.87.0.0/16
47.14.0.0/16
47.12.0.0/16
24.217.0.0/16
47.226.0.0/16
67.150.0.0/16
75.132.0.0/16
66.52.0.0/16
2603:6090::/28
2603:9010::/30
2600:6c12::/31 (IPv6)
What does a Charter (Spectrum) IP mean in a privacy test?
Seeing a Charter (Spectrum) IP address as your visible address means you are connecting directly through your Charter (Spectrum) line with no VPN active. If you expected a VPN exit, this tells you the tunnel is not carrying your traffic.
Related tools
Frequently asked questions
What IP ranges does Charter (Spectrum) use?
Charter (Spectrum) announces 2412 IPv4 prefixes and 2225 IPv6 prefixes under AS20115. Larger blocks include 47.132.0.0/15, 137.25.0.0/16, 23.87.0.0/16. The full current list is published by ARIN, and prefixes change as the network grows.
Why does a Charter (Spectrum) IP appear in my privacy test?
Seeing a Charter (Spectrum) IP address as your visible address means you are connecting directly through your Charter (Spectrum) line with no VPN active. If you expected a VPN exit, this tells you the tunnel is not carrying your traffic.
How large is the Charter (Spectrum) network?
By CAIDA's AS Rank, AS20115 reaches 578 networks through its customer cone, covering roughly 30.2 million IPv4 addresses. That places it at global rank 100 among all autonomous systems.
How do I look up a Charter (Spectrum) IP address?
Enter the address in the MyIPScan IP Geolocation Lookup. Addresses in this network return AS20115 (CHARTER-20115 - Charter Communications LLC). WHOIS Lookup shows the registered CIDR block for any specific address.
What ASN does Charter (Spectrum) use?
Charter (Spectrum) operates AS20115, registered with ARIN and held by CHARTER-20115 - Charter Communications LLC. In a privacy test this ASN is what identifies traffic as belonging to their network.