AS21554 — CYBERLYNK

Network type: hosting

AS21554 announces 14 IPv4 prefixes covering 32,000 addresses and 2 IPv6 prefixes.

About this network

The AS handle CYBERLYNK is held by Wisconsin CyberLynk Network, Inc.

What it's used for

• The address space carries residential and business internet access, evidenced by reverse DNS entries such as static.38.39.187.254.cyberlynk.net and host9.jobsinthetown.com.
• With 32000 IPv4 addresses announced across 14 prefixes and only 7 observed neighbours, the high address-to-neighbour ratio indicates an access or eyeball network rather than a transit provider.

Notable

• Most registrants align with the announcer, specifically Wisconsin CyberLynk Network, Inc., though 38.23.32.0/19 is registered to Cogent Communications, LLC and 209.236.224.0/20 to HostDrive.Com.
• The inventory consists of a mix of /19, /20, /21, and /22 blocks, with the largest being 38.23.32.0/19, alongside two /32 IPv6 prefixes.

This description is AI-generated, best-effort context — not authoritative, and provided without any guarantee of accuracy.

Announced prefixes

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

Upstream networks

• AS40264 Charter Communications LLC
• AS2914 NTT America, Inc.
• AS30517 Great Lakes Comnet, Inc.
• AS174 Cogent Communications, LLC
• AS3356 Level 3 Parent, LLC
• AS7018 AT&T Enterprises, LLC

Downstream networks

• AS54110 Modulis

Adjacent networks

• AS40264 Charter Communications LLC
• AS2914 NTT America, Inc.
• AS174 Cogent Communications, LLC
• AS30517 Great Lakes Comnet, Inc.
• AS3356 Level 3 Parent, LLC
• AS54110 Modulis
• AS7018 AT&T Enterprises, LLC