$ query “AS11351” --type=asn → 1 result(s)

AS11351 · TWC-11351-NORTHEAST

Charter Communications Inc

AS11351 belongs to Charter Communications Inc and is a major transit provider, based in the United States since 1998. The system announces an impressive 4.4 million IPv4 addresses, including a /14, and supports IPv6. The bulk of its IP address space is in the United States, with additional presence in Australia and Germany.

  • Top 5% — Top 5% of all autonomous systems by reach and degree
  • Pioneer — Registered before the year 2000

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
July 14, 1998
Last Changed
May 01, 2026
Last Seen
September 22, 2026 (active)

Prefix Summary

IPv4 Prefixes (raw / aggregated)
130 / 125
IPv6 Prefixes (raw / aggregated)
11 / 10
IPv4 Addresses
4 389 888
Largest IPv4 Prefix
/14 (262 144 addresses)
Largest IPv6 Prefix
/28
Geolocated Countries
🇺🇸 United States (4 637 408 IPs), 🇦🇺 Australia (98 496 IPs), 🇩🇪 Germany (512 IPs)
Prefix Changed
August 29, 2026

Reputation

Reputation
Good — 57 flagged IPs out of 4 389 888 total (0.00%)

Connectivity Summary

Upstream Providers
1 upstream providing transit
Downstream Customers
89 downstreams buying transit
Unclassified
4 unclassified BGP neighbors
Degree
94 unique BGP neighbors
Reach
112 networks in customer cone

Upstream Providers (1)

Prefix Lists

IPv4 Prefixes (130 total)

  • 74.76.0.0/14 (262 144 addresses (/14 prefix))
  • 98.10.0.0/15 (131 072 addresses (/15 prefix))
  • 45.46.0.0/15 (131 072 addresses (/15 prefix))
  • 66.66.0.0/15 (131 072 addresses (/15 prefix))
  • 67.240.0.0/15 (131 072 addresses (/15 prefix))
  • 67.252.0.0/15 (131 072 addresses (/15 prefix))
  • 172.100.0.0/15 (131 072 addresses (/15 prefix))
  • 98.2.0.0/15 (131 072 addresses (/15 prefix))
  • 67.248.0.0/15 (131 072 addresses (/15 prefix))
  • 98.4.0.0/15 (131 072 addresses (/15 prefix))
  • 104.228.0.0/15 (131 072 addresses (/15 prefix))
  • 24.58.0.0/15 (131 072 addresses (/15 prefix))
  • 98.1.0.0/16 (65 536 addresses (/16 prefix))
  • 67.255.0.0/16 (65 536 addresses (/16 prefix))
  • 137.124.0.0/16 (65 536 addresses (/16 prefix))
  • 150.154.0.0/16 (65 536 addresses (/16 prefix))
  • 74.67.0.0/16 (65 536 addresses (/16 prefix))
  • 24.97.0.0/16 (65 536 addresses (/16 prefix))
  • 67.242.0.0/16 (65 536 addresses (/16 prefix))
  • 76.180.0.0/16 (65 536 addresses (/16 prefix))
  • 76.179.0.0/16 (65 536 addresses (/16 prefix))
  • 67.246.0.0/16 (65 536 addresses (/16 prefix))
  • 24.198.0.0/16 (65 536 addresses (/16 prefix))
  • 72.230.0.0/16 (65 536 addresses (/16 prefix))
  • 76.37.0.0/16 (65 536 addresses (/16 prefix))
  • 72.228.0.0/16 (65 536 addresses (/16 prefix))
  • 72.224.0.0/16 (65 536 addresses (/16 prefix))
  • 74.75.0.0/16 (65 536 addresses (/16 prefix))
  • 69.207.0.0/16 (65 536 addresses (/16 prefix))
  • 66.24.0.0/16 (65 536 addresses (/16 prefix))
  • 74.70.0.0/16 (65 536 addresses (/16 prefix))
  • 74.69.0.0/16 (65 536 addresses (/16 prefix))
  • 74.74.128.0/17 (32 768 addresses (/17 prefix))
  • 50.75.0.0/17 (32 768 addresses (/17 prefix))
  • 76.38.128.0/17 (32 768 addresses (/17 prefix))
  • 24.169.0.0/17 (32 768 addresses (/17 prefix))
  • 98.0.0.0/17 (32 768 addresses (/17 prefix))
  • 74.65.0.0/17 (32 768 addresses (/17 prefix))
  • 67.244.128.0/17 (32 768 addresses (/17 prefix))
  • 98.13.0.0/17 (32 768 addresses (/17 prefix))
  • 72.231.128.0/17 (32 768 addresses (/17 prefix))
  • 67.247.128.0/17 (32 768 addresses (/17 prefix))
  • 142.105.128.0/17 (32 768 addresses (/17 prefix))
  • 67.251.0.0/17 (32 768 addresses (/17 prefix))
  • 184.74.0.0/17 (32 768 addresses (/17 prefix))
  • 184.153.128.0/17 (32 768 addresses (/17 prefix))
  • 68.172.0.0/17 (32 768 addresses (/17 prefix))
  • 198.255.128.0/17 (32 768 addresses (/17 prefix))
  • 208.105.128.0/17 (32 768 addresses (/17 prefix))
  • 68.175.128.0/17 (32 768 addresses (/17 prefix))

IPv6 Prefixes (11 total)

  • 2603:7080::/28
  • 2600:6001::/32
  • 2603:70bd::/32
  • 2604:6000::/32
  • 2602:107:6500::/40
  • 2602:107:e200::/40
  • 2600:6c7f:9350::/44
  • 2600:5c01:e0a::/48
  • 2600:6000:fb34::/48
  • 2605:ed00:4c63::/48