AS46853 — SWTEXAS - Southwest Texas Communications

AS46853 announces 8 IPv4 prefixes covering 7,936 addresses and 0 IPv6 prefixes.

About this network

SWTEXAS is held by Southwest Texas Communications.

What it's used for

• The address space carries local internet and phone services, with reverse DNS entries like 216-162-103-255.swtexas.net and netnames such as SWTEXAS and SIDLINGER-SWTEXAS-252-255.
• The AS announces 7,936 IPv4 addresses across 11 prefixes and maintains 3 observed neighbours, a ratio indicative of a local access network rather than a transit provider.
• Traffic from this AS consists of subscriber eyeballs and business endpoints for a regional provider serving approximately 4,500 access lines in rural Texas.

Notable

• Registrants include Southwest Texas Communications, Cogent Communications, LLC, Southwest Texas Telephone Company, and Sidlinger Computer Corporation.
• The address inventory is mixed, with the largest block (216.162.96.0/20) registered to Southwest Texas Communications, while multiple smaller blocks in the 63.174.0.0/16 range are registered to Cogent Communications, LLC.

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

Announced prefixes

• 63.174.134.0/23
• 63.174.136.0/22
• 63.174.140.0/23
• 63.174.142.0/24
• 63.174.144.0/22
• 204.251.255.0/24
• 208.23.136.0/24
• 216.162.96.0/20

Upstream networks

• AS46849 TEXAS LONE STAR NETWORK, LLC
• AS174 Cogent Communications, LLC
• AS7018 AT&T Enterprises, LLC

Adjacent networks

• AS46849 TEXAS LONE STAR NETWORK, LLC
• AS174 Cogent Communications, LLC
• AS7018 AT&T Enterprises, LLC

Routing security

• RPKI: 4 valid, 0 invalid and 11 not-found announcements; 2 ROAs.
• ASPA: none published.
• IRR: 13% of announcements registered; 2 route objects.
• Listed in as-sets: AS-HURRICANE, AS46849:AS-PEERS.