AS27495 — OPENTEXT-NA-US-1

AS27495 announces 48 IPv4 prefixes covering 71,424 addresses and 0 IPv6 prefixes.

About this network

The AS handle OPENTEXT-NA-US-1 is held by OpenText Corporation.

What it's used for

• The address space carries internal corporate infrastructure, evidenced by the netname OPENTEXT-NET-EL-XPED and the reverse DNS record tffwnusr-dmz.xpedite.com.
• The AS announces 71,424 IPv4 addresses across 66 prefixes with only 3 observed neighbours, indicating a large internal corporate estate rather than a transit or access network.

Notable

• All registrants in the sample agree with the announcer, consistently listing OpenText Corporation.
• OpenText is a major information management software company that provides data organization, storage, and protection services.
• The inventory is dominated by the 137.236.0.0/16 range, subdivided into numerous /20, /21, and /22 blocks, reflecting site-by-site segmentation of a corporate network.

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

Announced prefixes

• 137.236.0.0/20
• 137.236.16.0/22
• 137.236.22.0/23
• 137.236.24.0/23
• 137.236.26.0/24
• 137.236.28.0/22
• 137.236.32.0/21
• 137.236.40.0/23
• 137.236.43.0/24
• 137.236.45.0/24
• 137.236.46.0/23
• 137.236.49.0/24
• 137.236.50.0/23
• 137.236.52.0/22
• 137.236.56.0/21
• 137.236.64.0/20
• 137.236.80.0/24
• 137.236.82.0/23
• 137.236.84.0/22
• 137.236.88.0/21
• 137.236.96.0/19
• 137.236.128.0/23
• 137.236.130.0/24
• 137.236.132.0/22
• 137.236.136.0/21
• 137.236.144.0/22
• 137.236.148.0/23
• 137.236.150.0/24
• 137.236.152.0/23
• 137.236.155.0/24
• 137.236.156.0/24
• 137.236.158.0/23
• 137.236.160.0/22
• 137.236.166.0/23
• 137.236.168.0/21
• 137.236.176.0/22
• 137.236.180.0/23
• 137.236.184.0/21
• 137.236.192.0/18
• 165.251.8.0/21
• 165.251.16.0/21
• 165.251.25.0/24
• 165.251.32.0/20
• 165.251.100.0/24
• 204.124.244.0/24
• 204.124.247.0/24
• 205.183.255.0/24
• 216.133.100.0/24

Upstream networks

• AS6461 Zayo Bandwidth
• AS7018 AT&T Enterprises, LLC
• AS701 Verizon Business

Adjacent networks

• AS6461 Zayo Bandwidth
• AS7018 AT&T Enterprises, LLC
• AS701 Verizon Business

Routing security

• RPKI: 0 valid, 0 invalid and 16 not-found announcements; 1 ROAs.
• ASPA: none published.
• IRR: 0% of announcements registered; 1 route objects.
• Listed in as-sets: AS-SET-OPENTEXT-GLOBAL1, AS-VES-DS, AS-XO, AS-XO-B.