AS16700 CNSNext

CNSNEXT - CNSNext · registered in the United States

IPv4 addresses38,40012 prefixes · 0.001% of announced IPv4

Rank in United States#1,607largest network in US by IPv4 space, of 18,338 · <0.01% of US

Rank worldwide#4,396of 79,396 networks with IPv4

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

CountryUnited States18,679 ASNs registered there

Open AS16700 in ASN lookup Look up an IP in this network (64.39.128.1) All networks in United States

IPv4 prefixes

All 12 prefixes, in address order.

64.39.128.0/19
66.220.176.0/20
66.252.200.0/21
72.162.168.0/22
72.162.180.0/23
104.244.140.0/22
173.214.144.0/20
192.173.136.0/21
199.192.140.0/22
204.2.0.0/20
216.157.144.0/21
216.212.224.0/19

IPv6 prefixes

All 1 prefix.

2606:ba00::/32

Similar-sized networks in United States

ASNNameIPv4 addresses

AS2923#1604 AS-TIAA-NET - TIAA-CREF38,656

AS18862#1605 NCS-HEALTHCARE - Omnicare, Inc.38,656

AS30569#1606 CREIGHTON-AS - Creighton University38,656

AS18615#1608 MAINSTREAM-FIBER - Mainstream Fiber Networks, LLC38,400

AS402169#1609 USCLOUD INC - Uscloud Inc38,400

AS2635#1610 AUTOMATTIC - Automattic, Inc38,144

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