AS19419 — SONY-PICTURES-ENTERTAINMENT

AS19419 announces 6 IPv4 prefixes covering 5,120 addresses and 0 IPv6 prefixes.

About this network

SONY-PICTURES-ENTERTAINMENT is operated by Sony Pictures Entertainment Inc.

What it's used for

• The address space carries corporate infrastructure for Sony Pictures Entertainment, with netnames SPE-NET and SPE registered to the holder.
• Two prefixes, 185.64.36.0/23 and 185.64.39.0/24, are registered to Columbia Pictures Corp. Org Admin under the netname UK-CPC-20140716, reflecting the subsidiary's separate administrative identity.
• The AS announces 5120 IPv4 addresses across 10 prefixes while maintaining only 3 observed neighbours, a ratio indicative of an internal corporate estate rather than a transit or access provider.

Notable

• Registrants align with the announcer for the majority of the inventory, with Sony Pictures Entertainment Inc listed for the 173.251.0.0/16 range and Columbia Pictures Corp. Org Admin for the 185.64.0.0/16 range.
• The address inventory is finely subdivided into /22, /23, and /24 blocks, consistent with site-by-site segmentation within a large corporate network.

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

Announced prefixes

• 173.251.240.0/21
• 173.251.248.0/22
• 173.251.252.0/24
• 185.64.36.0/23
• 185.64.39.0/24
• 208.84.224.0/22

Upstream networks

• AS6461 Zayo Bandwidth
• AS3356 Level 3 Parent, LLC
• AS2687 AT&T Enterprises, LLC

Adjacent networks

• AS6461 Zayo Bandwidth
• AS3356 Level 3 Parent, LLC
• AS2687 AT&T Enterprises, LLC

Routing security

• RPKI: 0 valid, 0 invalid and 11 not-found announcements; 0 ROAs.
• ASPA: none published.
• IRR: 36% of announcements registered; 25 route objects.
• Listed in as-sets: AS-ATTAP, AS-PNAPLAX, AS-XO, AS-XO-B.