AS18564 — SJU149068 - St. John's University, New York

AS18564 announces 3 IPv4 prefixes covering 66,048 addresses and 0 IPv6 prefixes.

About this network

SJU149068 is the autonomous system for St. John's University, a private Catholic university in New York.

What it's used for

• The address space is registered under the netname STJOHNS for St. John's University, New York, indicating an internal corporate estate for the institution.
• The AS announces 66,048 IPv4 addresses across 14 prefixes with only 4 observed neighbours, a ratio consistent with an access or internal network rather than a transit provider.

Notable

• All registrants for the announced prefixes are St. John's University, New York, matching the AS holder.
• The inventory consists primarily of a large block within 149.68.0.0/16, subdivided into various /18, /19, /20, /21, /22, and /23 prefixes, along with two smaller /24 blocks in the 38.105.0.0/16 and 38.108.0.0/16 ranges.

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

Announced prefixes

• 38.105.194.0/24
• 38.108.196.0/24
• 149.68.0.0/16

Upstream networks

• AS174 Cogent Communications, LLC
• AS12271 Charter Communications Inc
• AS3754 NYSERNet

Adjacent networks

• AS174 Cogent Communications, LLC
• AS12271 Charter Communications Inc
• AS3754 NYSERNet

Routing security

• RPKI: 0 valid, 0 invalid and 9 not-found announcements; 0 ROAs.
• ASPA: none published.
• IRR: 67% of announcements registered; 260 route objects.
• Listed in as-sets: AS-CHTR-SYNC, AS-HURRICANE, AS-RR-BIZ, AS-WINDSTREAM-CUST, AS-XO-B, AS3630:AS-CONNECTORS, AS3754:AS-CONNECTORS.