AS21554 Wisconsin CyberLynk Network, Inc.

CYBERLYNK - Wisconsin CyberLynk Network, Inc. · registered in the United States

IPv4 addresses32,25615 prefixes · 0.001% of announced IPv4

Rank in United States#1,768largest network in US by IPv4 space, of 18,338 · <0.01% of US

Rank worldwide#4,872of 79,396 networks with IPv4

IPv62 x /32 (131,072 x /48)2 prefixes

CountryUnited States18,679 ASNs registered there

Open AS21554 in ASN lookup Look up an IP in this network (38.23.32.1) All networks in United States

IPv4 prefixes

All 15 prefixes, in address order.

38.23.32.0/19
38.39.176.0/20
66.185.16.0/20
162.217.84.0/22
162.221.88.0/21
162.252.208.0/22
162.255.16.0/22
192.159.64.0/22
192.206.63.0/24
198.206.132.0/22
199.38.80.0/21
199.102.236.0/22
199.195.144.0/22
199.248.63.0/24
209.236.224.0/20

IPv6 prefixes

All 2 prefixes.

2604:cb80::/32
2605:3800::/32

Other ASNs named Wisconsin CyberLynk Network, Inc.

1 other network uses the same organisation name; together with AS21554 they announce 36,352 IPv4 addresses.

ASNNameIPv4 addresses

AS21624CYBERLYNK-PHX - Wisconsin CyberLynk Network, Inc. US4,096

Similar-sized networks in United States

ASNNameIPv4 addresses

AS1820#1765 WNET - WNET TELECOM USA Corp.32,512

AS63394#1766 EIDG-AS1 - Eastern Iowa IP, LLC32,512

AS36300#1767 PCSB-ASN - Pinellas County Schools32,512

AS21777#1769 MASSIVE-NETWORKS-21777 - Massive Networks, Inc.32,256

AS10352#1770 WCTC - Solarus32,256

AS27382#1771 COLOSPACE - FirstLight Fiber, Inc.32,256

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