AS3456 Charter Communications Inc

TWC-3456-IT - Charter Communications Inc · registered in the United States

IPv4 addresses142,3367 prefixes · 0.005% of announced IPv4

Rank in United States#431largest network in US by IPv4 space, of 18,338 · 0.01% of US

Rank worldwide#1,390of 79,396 networks with IPv4

IPv68,196 x /4818 prefixes

CountryUnited States18,679 ASNs registered there

Open AS3456 in ASN lookup Look up an IP in this network (67.48.224.1) All networks in United States

IPv4 prefixes

All 7 prefixes, in address order.

67.48.224.0/19
142.136.0.0/16
165.237.0.0/16
192.219.231.0/24
204.29.131.0/24
204.235.112.0/21
204.235.120.0/23

IPv6 prefixes

All 18 prefixes.

2001:1998:2000::/36
2001:1998:3000::/40
2001:1998:3100::/48
2001:1998:3101::/48
2001:1998:3102::/47
2001:1998:3104::/46
2001:1998:3108::/45
2001:1998:3110::/44
2001:1998:3120::/43
2001:1998:3140::/42
2001:1998:3180::/41
2001:1998:3200::/39
2001:1998:3400::/38
2001:1998:3800::/37
2600:5c00:21cf::/48
2600:5c00:21d1::/48
2600:5c00:2304::/48
2600:5c00:2541::/48

Other ASNs named Charter Communications Inc

15 other networks use the same organisation name; together with AS3456 they announce 38,531,840 IPv4 addresses.

ASNNameIPv4 addresses

AS10796TWC-10796-MIDWEST - Charter Communications Inc US7,405,568

AS20001TWC-20001-PACWEST - Charter Communications Inc US7,210,752

AS11427TWC-11427-TEXAS - Charter Communications Inc US5,789,696

AS33363BHN-33363 - Charter Communications, Inc US5,679,360

AS11426TWC-11426-CAROLINAS - Charter Communications Inc US4,389,888

AS11351TWC-11351-NORTHEAST - Charter Communications Inc US4,317,440

AS12271TWC-12271-NYC - Charter Communications Inc US2,859,008

AS7843TWC-7843-BB - Charter Communications Inc US438,784

AS10838OCEANIC-INTERNET-RR - Charter Communications Inc US165,120

AS11955TWC-11955-ATLANTA - Charter Communications Inc US60,160

AS20231TWC-20231-NE-KS-C3 - Charter Communications Inc US22,016

AS14065TWC-14065-COUDERSPORT - Charter Communications Inc US18,432

AS13343TWC-13343-CHARLOTTE - Charter Communications Inc US17,408

AS8052TWC-8052-PEAKVIEW - Charter Communications Inc US14,592

AS6534OCEANIC-CABLE - Charter Communications Inc US1,280

Similar-sized networks in United States

ASNNameIPv4 addresses

AS1312#428 VA-TECH-AS - Virginia Polytechnic Institute and State Univ.143,360

AS665#429 DNIC-ASBLK-00616-00665 - United States Department of Defense (DoD)142,848

AS3734#430 SCCO - Santa Clara County Office of Education142,342

AS62#432 CONE - CyrusOne LLC142,080

AS53813#433 ZSCALER-INC - ZSCALER, INC.141,568

AS2920#434 LACOE - Los Angeles County Office of Education141,306

IP-to-ASN data: iptoasn.com (public domain). Snapshot downloaded 2026-11-11, refreshed daily. Ranges are what each network announces in BGP, not registry allocations. Data sources