AS18948 — NYMC2000-ARIN

AS18948 announces 2 IPv4 prefixes covering 6,144 addresses and 0 IPv6 prefixes.

About this network

The AS handle NYMC2000-ARIN is held by New York Medical College.

What it's used for

• The address space carries internal corporate infrastructure, evidenced by the netname NYMC and registrant New York Medical College on both announced prefixes.
• The AS announces 6144 IPv4 addresses across 2 prefixes and maintains 4 observed neighbours, a ratio consistent with an internal corporate estate rather than a transit or access provider.

Notable

• Registrants for both prefixes align perfectly with the announcer, identifying New York Medical College as the sole holder.
• The inventory consists of two distinct IPv4 blocks: 64.118.208.0/20 and 74.123.168.0/21, 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

• 64.118.208.0/20
• 74.123.168.0/21

Upstream networks

• AS54004 Cablevision Lightpath LLC
• AS46887 Crown Castle Fiber LLC
• AS3754 NYSERNet

Adjacent networks

• AS54004 Cablevision Lightpath LLC
• AS46887 Crown Castle Fiber LLC
• AS3754 NYSERNet

Routing security

• RPKI: 3 valid, 0 invalid and 0 not-found announcements; 4 ROAs.
• ASPA: none published.
• IRR: 100% of announcements registered; 8 route objects.
• Listed in as-sets: AS-CCF, AS-CCF-TEST, AS-XO-B, AS16657:AS-CUST, AS3630:AS-CONNECTORS, AS3754:AS-CONNECTORS, AS6128:AS-CUSTOMERS.