AS21563 — AS21563 - Open Text Corporation

AS21563 announces 5 IPv4 prefixes covering 1,280 addresses and 0 IPv6 prefixes.

About this network

AS21563 is operated by OpenText Corporation, a Canadian information management software company.

What it's used for

• The address space carries hosting infrastructure, as evidenced by reverse DNS entries pointing to host64.covisint.com, host127.covisint.com, and host190.covisint.com across all announced prefixes.
• The AS announces 1280 IPv4 addresses across 5 prefixes in Canada, with only 1 observed neighbour, indicating a small, self-contained corporate network rather than a transit or access provider.

Notable

• Registrants for the majority of prefixes are listed as CenturyLink Communications, LLC with netnames like CENTURYLINK-LEGACY-SAVVIS-BLK222, while one prefix is registered to Covisint CH3 Hosting/Master Account, suggesting the space was acquired or leased from legacy telecom or hosting providers.
• The inventory consists of five /24 blocks, all located in Canada, with no IPv6 prefixes announced.

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

Announced prefixes

• 64.14.228.0/24
• 64.37.196.0/24
• 64.37.204.0/24
• 64.37.210.0/24
• 205.219.114.0/24

Upstream networks

• AS3549 Level 3 Parent, LLC

Adjacent networks

• AS3549 Level 3 Parent, LLC

Routing security

• RPKI: 0 valid, 0 invalid and 5 not-found announcements; 0 ROAs.
• ASPA: none published.
• IRR: 0% of announcements registered; 0 route objects.