AS19107 — YMAX-AS - Ymax Communications Corp

AS19107 announces 5 IPv4 prefixes covering 2,048 addresses and 0 IPv6 prefixes.

About this network

The AS handle YMAX-AS is held by Ymax Communications Corp.

What it's used for

• The address space carries legacy dial-up and early broadband infrastructure, evidenced by reverse DNS entries such as talk4free.com and netnames like YMAX-COM and JUNO-BLK2.
• The AS announces 2048 IPv4 addresses across 5 prefixes with only 2 observed neighbours, a ratio that suggests a small, isolated access or legacy network rather than a transit provider.

Notable

• Registrants are largely consistent with the announcer, with four of five prefixes registered to Ymax Communications Corp, while one prefix (216.225.8.0/23) is registered to UNITED ONLINE INC.
• The address inventory consists of five small IPv4 blocks, including a mix of /23 and /24 prefixes, with no IPv6 prefixes in the inventory.

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

Announced prefixes

• 68.235.13.0/24
• 162.219.154.0/23
• 216.225.8.0/23
• 216.234.69.0/24
• 216.234.72.0/23

Upstream networks

• AS17378 TierPoint, LLC
• AS701 Verizon Business

Adjacent networks

• AS17378 TierPoint, LLC
• AS701 Verizon Business

Routing security

• RPKI: 3 valid, 0 invalid and 5 not-found announcements; 24 ROAs.
• ASPA: none published.
• IRR: 25% of announcements registered; 4 route objects.
• Listed in as-sets: AS-7349-TRANSIT-CUSTOMERS, AS-GBLX, AS-XO, AS-XO-B.