AS36426 — ISOTRASN

AS36426 announces 10 IPv4 prefixes covering 18,688 addresses and 0 IPv6 prefixes.

About this network

The AS handle ISOTRASN is held by Isotropic Networks, Inc.

What it's used for

• The address space carries converged connectivity services, with netnames such as ISOTROPIC-NETWORKS and ISOTROPIC indicating corporate infrastructure for terrestrial wireless and satellite solutions.
• The AS announces 18,688 IPv4 addresses across 10 prefixes, while maintaining only 2 observed neighbours, a ratio that suggests a specialized access or enterprise network rather than a transit provider.

Notable

• Registrants consistently identify as IsoTropic Networks, Inc. or Isotropic Networks, aligning with the AS holder despite some legacy SBC-era netnames like SBCIS-080106115130.
• The address inventory consists of a mix of /21, /22, and /24 blocks, including a /20, reflecting a segmented corporate estate rather than a large residential footprint.

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

Announced prefixes

• 64.148.140.0/24
• 70.232.240.0/21
• 75.7.64.0/21
• 76.239.144.0/21
• 99.185.144.0/21
• 100.42.0.0/20
• 162.220.88.0/21
• 162.255.244.0/22
• 192.200.12.0/22
• 192.234.80.0/21

Upstream networks

• AS7018 AT&T Enterprises, LLC
• AS16851 NebraskaLink

Adjacent networks

• AS7018 AT&T Enterprises, LLC
• AS16851 NebraskaLink

Routing security

• RPKI: 7 valid, 0 invalid and 9 not-found announcements; 5 ROAs.
• ASPA: none published.
• IRR: 75% of announcements registered; 39 route objects.
• Listed in as-sets: AS-30517-ASSOCIATED, AS-HURRICANE, AS-RR-BIZ, AS-WINDSTREAM-CUST, AS16851:AS-DOWNSTREAM, AS3491:AS-CUSTOMERS-NA.