AS21569 — DBU-AS - Dallas Baptist University

AS21569 announces 2 IPv4 prefixes covering 512 addresses and 0 IPv6 prefixes.

About this network

DBU-AS is the autonomous system for Dallas Baptist University.

What it's used for

• The address space carries business-grade connectivity, evidenced by reverse DNS records pointing to biz.spectrum.com and registrant netnames ATT and CC04.
• The AS announces 512 IPv4 addresses across 2 prefixes with 2 observed neighbours, a ratio consistent with a small institutional network relying on upstream transit providers.

Notable

• The registrants for the announced prefixes are AT&T Enterprises, LLC and Charter Communications LLC, which differ from the AS holder, indicating the university operates on leased or provisioned address space from these carriers.
• The inventory consists of two /24 blocks, one from AT&T and one from Charter, reflecting a multi-carrier setup for the university's campus infrastructure.

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

Announced prefixes

• 12.5.161.0/24
• 168.148.189.0/24

Upstream networks

• AS11427 Charter Communications Inc
• AS7018 AT&T Enterprises, LLC

Adjacent networks

• AS11427 Charter Communications Inc
• AS7018 AT&T Enterprises, LLC

Routing security

• RPKI: 1 valid, 0 invalid and 1 not-found announcements; 1 ROAs.
• ASPA: none published.
• IRR: 100% of announcements registered; 5 route objects.
• Listed in as-sets: AS-CHTR-SYNC, AS-HURRICANE, AS-INFOSTRADA, AS-RR-BIZ, AS-WINDTRE.