AS20705 — HSBC-UK

AS20705 announces 3 IPv4 prefixes covering 11,264 addresses and 3 IPv6 prefixes.

About this network

The AS handle HSBC-UK is operated by HSBC Bank plc.

What it's used for

• The address space carries internal corporate infrastructure, evidenced by netnames such as HSBC-UK and HSBC-BANK-PI-TAN-UK associated with HSBC Telecoms and HSBC Bank plc.
• The inventory consists of 11 IPv4 prefixes and 3 IPv6 prefixes, with 11264 IPv4 addresses announced. The low neighbour count of 3 indicates a self-contained internal network rather than a transit or access provider.

Notable

• Registrants include both HSBC Bank plc and HSBC Technology & Services (USA) Inc, with the latter holding the majority of the 161.113.0.0/16 space under the netname BENEFICIAL1.
• The address inventory is finely subdivided into /21, /22, /23, and /24 blocks, consistent with site-by-site segmentation for a large global financial institution.

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

Announced prefixes

• 91.214.4.0/22
• 161.113.224.0/19
• 193.108.72.0/21
• 2a0c:6c40:a4ef::/48
• 2a0c:6c40:c82f::/48
• 2a0c:6c40:c840::/47

Upstream networks

• AS3356 Level 3 Parent, LLC
• AS32787 Akamai Technologies, Inc.
• AS2856 British Telecommunications Limited

Adjacent networks

• AS3356 Level 3 Parent, LLC
• AS32787 Akamai Technologies, Inc.
• AS2856 British Telecommunications Limited