AS31779 — DEN-SPG-ASN

AS31779 announces 2 IPv4 prefixes covering 512 addresses and 0 IPv6 prefixes.

About this network

The AS handle DEN-SPG-ASN is held by Denny's, Inc., a major American full-service restaurant chain.

What it's used for

• The address space carries internal corporate infrastructure, evidenced by reverse DNS entries such as na1.dennys.com and y192-48-243-190.dennys.com pointing to Denny's domain.
• The AS announces 512 IPv4 addresses across 2 prefixes with only 2 observed neighbours, indicating a small, self-contained corporate estate rather than a transit or access network.

Notable

• Both registrants for the announced prefixes, DENNYS-IP2 and DENNYS-IP, are listed as Denny's, Inc., matching the AS holder.
• The address inventory consists of two /24 blocks, 142.202.104.0/24 and 192.48.243.0/24, which are finely subdivided for internal site segmentation.

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

Announced prefixes

• 142.202.104.0/24
• 192.48.243.0/24

Upstream networks

• AS20115 Charter Communications LLC
• AS7018 AT&T Enterprises, LLC

Adjacent networks

• AS20115 Charter Communications LLC
• AS7018 AT&T Enterprises, LLC

Routing security

• RPKI: 0 valid, 0 invalid and 2 not-found announcements; 0 ROAs.
• ASPA: none published.
• IRR: 100% of announcements registered; 3 route objects.
• Listed in as-sets: AS-9929ARCSTAR, AS-ARBINET-LAX-BUYERS, AS-BTN-CUSTOMERS, AS-CHTR-SYNC, AS-HURRICANE, AS-LINKLINE, AS-LINKLINE-TRANSIT-CUST, AS-MZIMA-CUSTOMERS, AS-RR-SYNC.