$ query “AS7843” --type=asn → 1 result(s)

AS7843 · TWC-7843-BB

Charter Communications Inc

AS7843 is run by Charter Communications Inc and is a mid-size transit provider, established in the United States in 1997. The system announces an impressive 2.2 million IPv4 addresses, including a /12, and supports IPv6. Most of its address space is geolocated to the United States.

  • Top 5% — Top 5% of all autonomous systems by reach and degree
  • #62 by Reach — Top 100 by customer cone size
  • Pioneer — Registered before the year 2000

Basic Information

Country
🇺🇸 United States
Category
Internet Service Provider
Network Role
Mid-size Transit
Data Origin
Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
Registered
January 23, 1997
Last Changed
March 04, 2026
Last Seen
October 23, 2026 (active)

Prefix Summary

IPv4 Prefixes (raw / aggregated)
148 / 53
IPv6 Prefixes (raw / aggregated)
14 / 9
IPv4 Addresses
2 196 480
Largest IPv4 Prefix
/12 (1 048 576 addresses)
Largest IPv6 Prefix
/31
Geolocated Countries
🇺🇸 United States (2 196 480 IPs)
Prefix Changed
September 24, 2026

Reputation

Reputation
Good — 1 flagged IPs out of 2 196 480 total (0.00%)

Connectivity Summary

Upstream Providers
5 upstreams providing transit
Peers
44 networks exchanging traffic without transit
Downstream Customers
18 downstreams buying transit
Unclassified
14 unclassified BGP neighbors
Degree
81 unique BGP neighbors
Reach
1 064 networks in customer cone

Upstream Providers (5)

  • AS6939 — HURRICANE
  • AS3356 — LEVEL3 (Tier-1 transit)
  • AS1299 — TWELVE99 (Tier-1 transit)
  • AS3257 — GTT-BACKBONE (Tier-1 transit)
  • AS701 — UUNET (Tier-1 transit)

Prefix Lists

IPv4 Prefixes (148 total)

  • 71.64.0.0/12 (1 048 576 addresses (/12 prefix))
  • 107.8.0.0/13 (524 288 addresses (/13 prefix))
  • 173.196.0.0/15 (131 072 addresses (/15 prefix))
  • 9.236.0.0/16 (65 536 addresses (/16 prefix))
  • 66.61.0.0/16 (65 536 addresses (/16 prefix))
  • 69.134.0.0/16 (65 536 addresses (/16 prefix))
  • 24.92.0.0/17 (32 768 addresses (/17 prefix))
  • 76.178.0.0/17 (32 768 addresses (/17 prefix))
  • 9.233.192.0/18 (16 384 addresses (/18 prefix))
  • 69.76.64.0/18 (16 384 addresses (/18 prefix))
  • 76.89.0.0/18 (16 384 addresses (/18 prefix))
  • 76.178.128.0/18 (16 384 addresses (/18 prefix))
  • 9.233.0.0/19 (8 192 addresses (/19 prefix))
  • 9.233.64.0/19 (8 192 addresses (/19 prefix))
  • 24.30.192.0/19 (8 192 addresses (/19 prefix))
  • 48.44.224.0/19 (8 192 addresses (/19 prefix))
  • 64.183.128.0/19 (8 192 addresses (/19 prefix))
  • 65.28.192.0/19 (8 192 addresses (/19 prefix))
  • 67.48.96.0/19 (8 192 addresses (/19 prefix))
  • 69.76.0.0/19 (8 192 addresses (/19 prefix))
  • 72.129.192.0/19 (8 192 addresses (/19 prefix))
  • 74.87.128.0/19 (8 192 addresses (/19 prefix))
  • 76.85.224.0/19 (8 192 addresses (/19 prefix))
  • 76.92.64.0/19 (8 192 addresses (/19 prefix))
  • 151.145.160.0/19 (8 192 addresses (/19 prefix))
  • 9.237.48.0/20 (4 096 addresses (/20 prefix))
  • 9.237.64.0/20 (4 096 addresses (/20 prefix))
  • 16.14.224.0/20 (4 096 addresses (/20 prefix))
  • 24.27.224.0/20 (4 096 addresses (/20 prefix))
  • 24.33.240.0/20 (4 096 addresses (/20 prefix))
  • 48.44.176.0/20 (4 096 addresses (/20 prefix))
  • 64.183.160.0/20 (4 096 addresses (/20 prefix))
  • 66.109.0.0/20 (4 096 addresses (/20 prefix))
  • 131.150.32.0/20 (4 096 addresses (/20 prefix))
  • 161.104.112.0/20 (4 096 addresses (/20 prefix))
  • 209.18.32.0/20 (4 096 addresses (/20 prefix))
  • 48.44.136.0/21 (2 048 addresses (/21 prefix))
  • 69.63.88.0/21 (2 048 addresses (/21 prefix))
  • 74.87.240.0/21 (2 048 addresses (/21 prefix))
  • 48.44.132.0/22 (1 024 addresses (/22 prefix))
  • 65.28.128.0/22 (1 024 addresses (/22 prefix))
  • 68.168.72.0/22 (1 024 addresses (/22 prefix))
  • 16.191.0.0/23 (512 addresses (/23 prefix))
  • 76.63.162.0/23 (512 addresses (/23 prefix))
  • 98.120.110.0/23 (512 addresses (/23 prefix))
  • 150.224.64.0/23 (512 addresses (/23 prefix))
  • 150.224.68.0/23 (512 addresses (/23 prefix))
  • 24.106.215.0/24 (256 addresses (/24 prefix))
  • 47.43.111.0/24 (256 addresses (/24 prefix))
  • 65.185.241.0/24 (256 addresses (/24 prefix))

IPv6 Prefixes (14 total)

  • 2600:5800::/31
  • 2001:1998::/32
  • 2603:90f2::/32
  • 2603:90f4::/32
  • 2600:c000::/40
  • 2600:c010:100::/40
  • 2603:807e:300::/40
  • 2603:807e:400::/40
  • 2603:90e1:100::/44