AS13433 Cox Enterprises Inc

COXNET - Cox Enterprises Inc · registered in the United States

IPv4 addresses70,40014 prefixes · 0.002% of announced IPv4

Rank in United States#786largest network in US by IPv4 space, of 18,338 · <0.01% of US

Rank worldwide#2,422of 79,396 networks with IPv4

IPv61 x /32 (65,536 x /48)1 prefixes

CountryUnited States18,679 ASNs registered there

Open AS13433 in ASN lookup Look up an IP in this network (66.6.144.1) All networks in United States

IPv4 prefixes

All 14 prefixes, in address order.

66.6.144.0/20
67.97.216.0/23
67.97.220.0/23
169.137.0.0/17
169.137.128.0/18
169.137.192.0/19
169.137.224.0/20
169.137.241.0/24
169.137.242.0/23
169.137.244.0/22
169.137.248.0/22
169.137.252.0/24
169.137.253.0/24
169.137.254.0/23

IPv6 prefixes

All 1 prefix.

2607:fc40::/32

Other ASNs named Cox Enterprises Inc

2 other networks use the same organisation name; together with AS13433 they announce 76,544 IPv4 addresses.

ASNNameIPv4 addresses

AS393340COXAUTO - Cox Enterprises Inc US5,888

AS401795COXESPORTS - Cox Enterprises Inc US256

Similar-sized networks in United States

ASNNameIPv4 addresses

AS14726#783 CHISHOLMBB - Chisholm Broadband LLC71,680

AS26333#784 UNONET - University of New Orleans71,680

AS8025#785 BRIGHTOK-AS - BrightNet Oklahoma70,912

AS17153#787 NMT-AS - New Mexico Tech70,400

AS21947#788 BCI - Blackfoot Telephone Cooperative, Inc.70,144

AS4195#789 SHAW - D. E. Shaw & Co. LP70,144

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