$ query “AS20115” --type=asn → 1 result(s)

AS20115 · CHARTER-20115

Charter Communications LLC

AS20115 is operated by Charter Communications LLC and serves as a major transit provider, registered in the United States since 2001. The system announces a whopping 12.7 million IPv4 addresses (0.34% of routable IPv4 space), including a /13, and supports IPv6. Its primary geographic footprint is in the United States, with additional presence in Australia and Canada, and smaller footprints in 15 additional countries. Prefix announcements for this AS were recently updated.

  • Top 5% — Top 5% of all autonomous systems by reach and degree
  • Space Overlord — Over 10 million IPv4 addresses

Basic Information

Country
🇺🇸 United States
Category
Internet Service Provider
Network Role
Major Transit
Data Origin
Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
Registered
March 26, 2001
Last Changed
March 04, 2026
Last Seen
September 22, 2026 (active)

Prefix Summary

IPv4 Prefixes (raw / aggregated)
2 382 / 735
IPv6 Prefixes (raw / aggregated)
2 300 / 109
IPv4 Addresses
12 699 648
Largest IPv4 Prefix
/13 (524 288 addresses)
Largest IPv6 Prefix
/28
Geolocated Countries
🇺🇸 United States (13 509 040 IPs), 🇦🇺 Australia (1 190 816 IPs), 🇨🇦 Canada (16 640 IPs) and 15 more
Prefix Changed
September 23, 2026

Reputation

Reputation
Good — 180 flagged IPs out of 12 699 648 total (0.00%)
Open Proxies
1 known open proxies in this network

Connectivity Summary

Upstream Providers
6 upstreams providing transit
Peers
78 networks exchanging traffic without transit
Downstream Customers
139 downstreams buying transit
Unclassified
4 unclassified BGP neighbors
Degree
227 unique BGP neighbors
Reach
844 networks in customer cone

Upstream Providers (6)

  • AS6939 — HURRICANE
  • AS3356 — LEVEL3 (Tier-1 transit)
  • AS1299 — TWELVE99 (Tier-1 transit)
  • AS3257 — GTT-BACKBONE (Tier-1 transit)
  • AS52025 — PARADOXNETWORKS-LIMITED
  • AS7843 — TWC-7843-BB

Prefix Lists

IPv4 Prefixes (2 382 total)

  • 174.80.0.0/13 (524 288 addresses (/13 prefix))
  • 97.88.0.0/14 (262 144 addresses (/14 prefix))
  • 47.48.0.0/14 (262 144 addresses (/14 prefix))
  • 47.132.0.0/14 (262 144 addresses (/14 prefix))
  • 24.180.0.0/14 (262 144 addresses (/14 prefix))
  • 75.132.0.0/14 (262 144 addresses (/14 prefix))
  • 75.136.0.0/14 (262 144 addresses (/14 prefix))
  • 97.84.0.0/14 (262 144 addresses (/14 prefix))
  • 71.82.0.0/15 (131 072 addresses (/15 prefix))
  • 96.40.0.0/15 (131 072 addresses (/15 prefix))
  • 35.148.0.0/15 (131 072 addresses (/15 prefix))
  • 47.12.0.0/15 (131 072 addresses (/15 prefix))
  • 47.24.0.0/15 (131 072 addresses (/15 prefix))
  • 47.38.0.0/15 (131 072 addresses (/15 prefix))
  • 47.40.0.0/15 (131 072 addresses (/15 prefix))
  • 172.222.0.0/15 (131 072 addresses (/15 prefix))
  • 47.224.0.0/15 (131 072 addresses (/15 prefix))
  • 97.94.0.0/15 (131 072 addresses (/15 prefix))
  • 47.232.0.0/15 (131 072 addresses (/15 prefix))
  • 68.190.0.0/15 (131 072 addresses (/15 prefix))
  • 71.90.0.0/15 (131 072 addresses (/15 prefix))
  • 96.32.0.0/15 (131 072 addresses (/15 prefix))
  • 97.80.0.0/15 (131 072 addresses (/15 prefix))
  • 96.38.0.0/15 (131 072 addresses (/15 prefix))
  • 71.8.0.0/16 (65 536 addresses (/16 prefix))
  • 68.119.0.0/16 (65 536 addresses (/16 prefix))
  • 96.36.0.0/16 (65 536 addresses (/16 prefix))
  • 96.35.0.0/16 (65 536 addresses (/16 prefix))
  • 97.83.0.0/16 (65 536 addresses (/16 prefix))
  • 75.142.0.0/16 (65 536 addresses (/16 prefix))
  • 24.107.0.0/16 (65 536 addresses (/16 prefix))
  • 23.87.0.0/16 (65 536 addresses (/16 prefix))
  • 24.178.0.0/16 (65 536 addresses (/16 prefix))
  • 75.131.0.0/16 (65 536 addresses (/16 prefix))
  • 75.129.0.0/16 (65 536 addresses (/16 prefix))
  • 24.151.0.0/16 (65 536 addresses (/16 prefix))
  • 71.89.0.0/16 (65 536 addresses (/16 prefix))
  • 71.87.0.0/16 (65 536 addresses (/16 prefix))
  • 24.217.0.0/16 (65 536 addresses (/16 prefix))
  • 23.84.0.0/16 (65 536 addresses (/16 prefix))
  • 141.126.0.0/16 (65 536 addresses (/16 prefix))
  • 155.186.0.0/16 (65 536 addresses (/16 prefix))
  • 47.34.0.0/16 (65 536 addresses (/16 prefix))
  • 71.14.0.0/16 (65 536 addresses (/16 prefix))
  • 24.158.0.0/16 (65 536 addresses (/16 prefix))
  • 68.188.0.0/16 (65 536 addresses (/16 prefix))
  • 68.187.0.0/16 (65 536 addresses (/16 prefix))
  • 24.197.0.0/16 (65 536 addresses (/16 prefix))
  • 68.184.0.0/16 (65 536 addresses (/16 prefix))
  • 96.42.0.0/16 (65 536 addresses (/16 prefix))

IPv6 Prefixes (2 300 total)

  • 2600:6c80::/28
  • 2603:6090::/28
  • 2600:6c20::/29
  • 2600:6c98::/29
  • 2600:6c40::/30
  • 2600:6c08::/30
  • 2600:6c10::/30
  • 2600:6c60::/30
  • 2600:6c04::/30
  • 2603:9010::/30
  • 2600:6c28::/30
  • 2600:6c38::/30
  • 2600:6c0c::/31
  • 2600:6c32::/31
  • 2600:6c2e::/31
  • 2600:6c50::/31
  • 2600:6c44::/31
  • 2600:6c18::/31
  • 2600:6c64::/31
  • 2600:6c1c::/31
  • 2600:6c5c::/31
  • 2600:6c54::/31
  • 2600:6c4e::/31
  • 2600:6c56::/32
  • 2600:6c5e::/32
  • 2600:6c4c::/32
  • 2600:6c14::/32
  • 2600:6c58::/32
  • 2600:6c5a::/32
  • 2600:6c4a::/32
  • 2600:6c52::/32
  • 2600:6c48::/32
  • 2600:6c30::/32
  • 2600:6c46::/32
  • 2600:6c1a::/32
  • 2600:6c1e::/32
  • 2603:60c4::/32
  • 2600:6c47:8000::/33
  • 2602:10d::/33
  • 2602:10d:c000::/34
  • 2602:10d:a000::/35
  • 2602:10d:9000::/36
  • 2602:107:5000::/37
  • 2602:107:5800::/38
  • 2602:107:5c00::/40
  • 2602:107:4800::/40
  • 2603:807e:300::/40
  • 2603:807e:400::/40
  • 2602:107:e860::/43
  • 2600:6c7f:9160::/43