AS25891 — SVA-ANS

AS25891 announces 1 IPv4 prefixes covering 512 addresses and 0 IPv6 prefixes.

About this network

The AS handle SVA-ANS is held by School of Visual Arts, Inc.

What it's used for

• The address space carries the internal network of the School of Visual Arts, a private non-profit art and design institution in New York City, as indicated by the netname SVA-15 and registrant School Of Visual Arts, Inc.
• The AS announces 512 IPv4 addresses across 1 prefix (204.147.202.0/23) and maintains 2 observed neighbours, a ratio consistent with a small, self-contained institutional network rather than a transit or large-scale access provider.

Notable

• The RDAP registrant School Of Visual Arts, Inc. matches the registry holder and the AS handle, confirming direct ownership of the address space.
• The inventory consists of a single /23 block, representing a compact and finely subdivided internal corporate estate typical of a university campus network.

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

Announced prefixes

• 204.147.202.0/23

Upstream networks

• AS174 Cogent Communications, LLC
• AS12271 Charter Communications Inc

Adjacent networks

• AS174 Cogent Communications, LLC
• AS12271 Charter Communications Inc

Routing security

• RPKI: 0 valid, 0 invalid and 1 not-found announcements; 0 ROAs.
• ASPA: none published.
• IRR: 100% of announcements registered; 4 route objects.
• Listed in as-sets: AS-CHTR-SYNC, AS-HURRICANE, AS-RR-BIZ, AS-XO-B, AS174:AS-COGC-015.