$ query “AS40264” --type=asn → 1 result(s)

AS40264 · TWC-40264-WI-MN-UPPERMI-C3

Charter Communications LLC

AS40264 is run by Charter Communications LLC and is a major transit provider, established in the United States in 2017. The system announces a respectable 16 128 IPv4 addresses, and supports IPv6. The bulk of its IP address space is in the United States.

  • Top 5% — Top 5% of all autonomous systems by reach and degree

Basic Information

Country
🇺🇸 United States
Category
Hosting
Network Role
Major Transit
Data Origin
Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
Registered
July 25, 2017
Last Changed
March 04, 2026
Last Seen
April 28, 2026 (active)

Prefix Summary

IPv4 Prefixes (raw / aggregated)
20 / 19
IPv6 Prefixes (raw / aggregated)
4 / 4
IPv4 Addresses
16 128
Largest IPv4 Prefix
/21 (2 048 addresses)
Largest IPv6 Prefix
/40
Geolocated Countries
🇺🇸 United States (17 664 IPs)
Prefix Changed
March 17, 2026

Reputation

Reputation
Pristine — 0 flagged IPs

Connectivity Summary

Upstream Providers
2 upstreams providing transit
Peers
10 networks exchanging traffic without transit
Downstream Customers
122 downstreams buying transit
Unclassified
6 unclassified BGP neighbors
Degree
140 unique BGP neighbors
Reach
151 networks in customer cone

Upstream Providers (2)

Prefix Lists

IPv4 Prefixes (20 total)

  • 144.168.16.0/21 (2 048 addresses (/21 prefix))
  • 76.58.8.0/21 (2 048 addresses (/21 prefix))
  • 199.15.240.0/21 (2 048 addresses (/21 prefix))
  • 192.62.232.0/21 (2 048 addresses (/21 prefix))
  • 82.29.32.0/22 (1 024 addresses (/22 prefix))
  • 82.29.16.0/22 (1 024 addresses (/22 prefix))
  • 76.58.48.0/22 (1 024 addresses (/22 prefix))
  • 82.27.4.0/22 (1 024 addresses (/22 prefix))
  • 82.27.12.0/22 (1 024 addresses (/22 prefix))
  • 198.184.26.0/23 (512 addresses (/23 prefix))
  • 97.75.228.0/24 (256 addresses (/24 prefix))
  • 76.58.45.0/24 (256 addresses (/24 prefix))
  • 47.45.16.0/24 (256 addresses (/24 prefix))
  • 47.45.59.0/24 (256 addresses (/24 prefix))
  • 192.104.31.0/24 (256 addresses (/24 prefix))
  • 47.45.46.0/24 (256 addresses (/24 prefix))
  • 47.45.55.0/24 (256 addresses (/24 prefix))
  • 204.176.194.0/24 (256 addresses (/24 prefix))
  • 208.103.155.0/24 (256 addresses (/24 prefix))

IPv6 Prefixes (4 total)

  • 2602:107:4100::/40
  • 2602:107:e100::/40
  • 2602:80c:1004::/48
  • 2602:80c:1008::/48