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

AS20115 · CHARTER-20115

Charter Communications LLC

AS20115 belongs to Charter Communications LLC and is a major transit provider, registered in the United States since 2001. The system announces a whopping 12.9 million IPv4 addresses (0.35% 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 a smaller footprint in another country. This AS's prefix announcements have been recently modified.

  • 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
July 19, 2026 (active)

Prefix Summary

IPv4 Prefixes (raw / aggregated)
2 409 / 654
IPv6 Prefixes (raw / aggregated)
2 212 / 109
IPv4 Addresses
12 944 384
Largest IPv4 Prefix
/13 (524 288 addresses)
Largest IPv6 Prefix
/28
Geolocated Countries
🇺🇸 United States (14 148 736 IPs), 🇦🇺 Australia (1 192 448 IPs), 🇨🇦 Canada (16 640 IPs) and 1 more
Prefix Changed
July 20, 2026

Reputation

Reputation
Good — 149 flagged IPs out of 12 944 384 total (0.00%)

Connectivity Summary

Upstream Providers
6 upstreams providing transit
Peers
79 networks exchanging traffic without transit
Downstream Customers
141 downstreams buying transit
Unclassified
2 unclassified BGP neighbors
Degree
228 unique BGP neighbors
Reach
833 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 (2 409 total)

  • 68.184.0.0/13 (524 288 addresses (/13 prefix))
  • 174.80.0.0/13 (524 288 addresses (/13 prefix))
  • 97.84.0.0/14 (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))
  • 24.180.0.0/14 (262 144 addresses (/14 prefix))
  • 71.88.0.0/14 (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))
  • 71.80.0.0/14 (262 144 addresses (/14 prefix))
  • 97.88.0.0/14 (262 144 addresses (/14 prefix))
  • 71.8.0.0/15 (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))
  • 68.116.0.0/15 (131 072 addresses (/15 prefix))
  • 47.224.0.0/15 (131 072 addresses (/15 prefix))
  • 172.222.0.0/15 (131 072 addresses (/15 prefix))
  • 97.80.0.0/15 (131 072 addresses (/15 prefix))
  • 96.40.0.0/15 (131 072 addresses (/15 prefix))
  • 96.38.0.0/15 (131 072 addresses (/15 prefix))
  • 35.148.0.0/15 (131 072 addresses (/15 prefix))
  • 47.6.0.0/15 (131 072 addresses (/15 prefix))
  • 47.12.0.0/15 (131 072 addresses (/15 prefix))
  • 71.94.0.0/15 (131 072 addresses (/15 prefix))
  • 47.24.0.0/15 (131 072 addresses (/15 prefix))
  • 47.34.0.0/15 (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))
  • 47.46.0.0/16 (65 536 addresses (/16 prefix))
  • 47.229.0.0/16 (65 536 addresses (/16 prefix))
  • 137.27.0.0/16 (65 536 addresses (/16 prefix))
  • 141.126.0.0/16 (65 536 addresses (/16 prefix))
  • 144.253.0.0/16 (65 536 addresses (/16 prefix))
  • 137.25.0.0/16 (65 536 addresses (/16 prefix))
  • 47.36.0.0/16 (65 536 addresses (/16 prefix))
  • 24.178.0.0/16 (65 536 addresses (/16 prefix))
  • 147.219.0.0/16 (65 536 addresses (/16 prefix))
  • 47.33.0.0/16 (65 536 addresses (/16 prefix))
  • 47.26.0.0/16 (65 536 addresses (/16 prefix))
  • 131.93.0.0/16 (65 536 addresses (/16 prefix))
  • 128.92.0.0/16 (65 536 addresses (/16 prefix))
  • 155.186.0.0/16 (65 536 addresses (/16 prefix))
  • 68.115.0.0/16 (65 536 addresses (/16 prefix))
  • 47.14.0.0/16 (65 536 addresses (/16 prefix))
  • 68.113.0.0/16 (65 536 addresses (/16 prefix))
  • 67.150.0.0/16 (65 536 addresses (/16 prefix))
  • 75.131.0.0/16 (65 536 addresses (/16 prefix))
  • 47.4.0.0/16 (65 536 addresses (/16 prefix))
  • 172.220.0.0/16 (65 536 addresses (/16 prefix))
  • 97.92.0.0/16 (65 536 addresses (/16 prefix))

IPv6 Prefixes (2 212 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