AS40393 — CROSSLINKNETWORKS

AS40393 announces 8 IPv4 prefixes covering 4,864 addresses and 0 IPv6 prefixes.

About this network

CROSSLINKNETWORKS is operated by Crosslink Networks LLC.

What it's used for

• The address space carries customer endpoints, evidenced by reverse DNS entries such as ip-8-19-45-0.cust.crosslinknet.com and netnames like LVLT-WST-28-8-19-44 and WST.
• The AS announces 4,864 IPv4 addresses across 8 prefixes and maintains 7 observed neighbours, a ratio consistent with an access network providing connectivity to end-users.
• Traffic from this AS consists of residential and small business subscriber traffic, as indicated by the cust subdomain in the reverse DNS records.

Notable

• Registrants for the majority of prefixes are listed as Crosslink Networks or Crosslink Networks LLC, aligning with the AS holder; two prefixes (8.31.66.0/23 and 8.25.222.0/24) list Level 3 Parent, LLC as the registrant.
• The address inventory is composed of eight distinct IPv4 blocks, including ranges originally associated with Level 3 Communications (indicated by LVLT netnames), suggesting historical acquisition or leasing of address space.

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

Announced prefixes

• 8.19.44.0/22
• 8.25.222.0/24
• 8.31.66.0/23
• 192.83.144.0/24
• 192.83.146.0/23
• 192.83.148.0/22
• 208.81.60.0/22
• 208.123.120.0/24

Upstream networks

• AS6939 Hurricane Electric LLC
• AS3356 Level 3 Parent, LLC

Downstream networks

• AS7961 Raw Bandwidth Communications, Inc.
• AS396337 Dreisbach Enterprises, Inc.
• AS19660 KQED Inc.
• AS397777 Torani
• AS23439 KQED Inc.

Adjacent networks

• AS6939 Hurricane Electric LLC
• AS3356 Level 3 Parent, LLC
• AS7961 Raw Bandwidth Communications, Inc.
• AS396337 Dreisbach Enterprises, Inc.
• AS397777 Torani
• AS19660 KQED Inc.
• AS23439 KQED Inc.

Routing security

• RPKI: 0 valid, 0 invalid and 16 not-found announcements; 0 ROAs.
• ASPA: none published.
• IRR: 100% of announcements registered; 34 route objects.
• Listed in as-sets: AS-CROSSLINK, AS-HURRICANE, AS-TRANSROUTE-SPEC.