AS31822 — CITY-UNIVERSITY-OF-NEW-YORK

AS31822 announces 12 IPv4 prefixes covering 659,712 addresses and 0 IPv6 prefixes.

About this network

CITY-UNIVERSITY-OF-NEW-YORK is operated by City University of New York.

What it's used for

• The address space carries the network infrastructure for CUNY's constituent colleges, with netnames identifying specific campuses such as CITYCOLLEGE (City College), HUNTER-1 (Hunter College), BROOKLYN-B (Brooklyn College), LEHMAN-1 (Lehman College), BARUCH-B1 (Baruch College), and STATEN-ISL (College of Staten Island).
• The AS announces 659712 IPv4 addresses across 12 prefixes while maintaining only 3 observed neighbours, a ratio characteristic of a large internal corporate or institutional estate rather than a transit provider.

Notable

• Registrants align closely with the announcer, listing specific CUNY colleges like City College of New York, Hunter College, and Brooklyn College, alongside the central university entity.
• The inventory consists of ten /16 blocks, one /20, and one /24, reflecting a finely subdivided internal network structure for a multi-campus university system.

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

Announced prefixes

• 128.228.0.0/16
• 134.74.0.0/16
• 146.95.0.0/16
• 146.96.0.0/16
• 146.111.0.0/16
• 146.245.0.0/16
• 148.84.0.0/16
• 149.4.0.0/16
• 150.210.0.0/16
• 163.238.0.0/16
• 198.61.16.0/20
• 198.180.141.0/24

Upstream networks

• AS3356 Level 3 Parent, LLC
• AS46887 Crown Castle Fiber LLC
• AS3754 NYSERNet

Adjacent networks

• AS3356 Level 3 Parent, LLC
• AS46887 Crown Castle Fiber LLC
• AS3754 NYSERNet