AS212601 — Calastone Calastone Limited

AS212601 announces 1 IPv4 prefixes covering 512 addresses and 0 IPv6 prefixes.

About this network

The AS handle CALASTONE is held by Calastone Limited.

What it's used for

• The space carries corporate infrastructure for a global funds network, evidenced by the netname CALASTONE-CGNT-NET-1 and registrant Calastone.
• The inventory consists of 512 IPv4 addresses in a single prefix (206.62.32.0/23) with 1 observed neighbour, indicating a small, self-contained corporate estate rather than a transit or access network.
• Traffic from this AS represents internal business operations for a financial services provider that connects global financial organisations for fund administration and transaction processing.

Notable

• The registrant Calastone agrees with the AS holder Calastone Limited.
• Calastone was acquired by SS&C Technologies Holdings, Inc. in a transaction valued at approximately £766 million.
• The address inventory is a single /23 block, typical for a corporate network requiring a modest range of public IP addresses for office and data center connectivity.

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

Announced prefixes

• 206.62.32.0/23

Upstream networks

• AS20860 IOMART CLOUD SERVICES LIMITED

Adjacent networks

• AS20860 IOMART CLOUD SERVICES LIMITED

Routing security

• RPKI: 0 valid, 0 invalid and 2 not-found announcements; 0 ROAs.
• ASPA: none published.
• IRR: 100% of announcements registered; 3 route objects.
• Listed in as-sets: AS-IOMART.