AS19305 — TNSI-AS-19305

AS19305 announces 3 IPv4 prefixes covering 2,816 addresses and 0 IPv6 prefixes.

About this network

TNSI-AS-19305 is operated by Transaction Network Services, Inc.

What it's used for

• The address space carries corporate infrastructure for a financial services provider, evidenced by netnames UK-TNSI-20090604 and TNSUK and reverse DNS entries pointing to tnsi.com and tnsi.co.uk.
• The AS announces 2816 IPv4 addresses across 5 prefixes with 7 observed neighbours, a ratio consistent with a business network rather than a transit or access provider.

Notable

• Registrants for all announced prefixes are listed as Network Architecture; Transaction Network Services (UK) LTD; Abuse-C Role, aligning with the US-based registry holder.
• The address inventory consists of five IPv4 prefixes in the 188.94.0.0/16 and 194.36.0.0/16 ranges, with no IPv6 prefixes announced.

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

Announced prefixes

• 188.94.128.0/21
• 194.36.112.0/23
• 194.36.115.0/24

Upstream networks

• AS13237 euNetworks GmbH
• AS19905 Vercara, LLC
• AS3257 GTT Communications Inc.
• AS5089 Virgin Media Limited
• AS2856 British Telecommunications Limited

Adjacent networks

• AS3257 GTT Communications Inc.
• AS13237 euNetworks GmbH
• AS19905 Vercara, LLC
• AS47009 Transaction Network Services, Inc.
• AS5089 Virgin Media Limited
• AS2856 British Telecommunications Limited