AS17071 — UBSW-STAMFORD

AS17071 announces 24 IPv4 prefixes covering 15,360 addresses and 0 IPv6 prefixes.

About this network

The AS handle UBSW-STAMFORD is held by UBS AG.

What it's used for

• The address space carries corporate infrastructure, evidenced by netnames such as UBS-LON-PD and SBCORPNET registered to UBS AG.
• The AS announces 15,360 IPv4 addresses across 24 prefixes while maintaining only 5 observed neighbours, a ratio indicative of an internal corporate estate with site-by-site segmentation rather than a transit or access network.

Notable

• All registrants in the evidence pack agree with the announcer, consistently listing UBS AG, UBS Hostmaster, and UBS Abuse.
• The inventory consists of finely subdivided blocks, including multiple /23 prefixes in the 139.149.0.0/16 and 155.145.0.0/16 ranges, reflecting a segmented internal network structure.

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

Announced prefixes

• 139.149.8.0/22
• 139.149.12.0/23
• 139.149.22.0/23
• 139.149.24.0/21
• 139.149.58.0/23
• 139.149.90.0/23
• 139.149.92.0/23
• 139.149.96.0/22
• 139.149.102.0/23
• 139.149.120.0/23
• 139.149.124.0/23
• 139.149.130.0/23
• 139.149.132.0/23
• 139.149.138.0/23
• 139.149.248.0/23
• 155.145.114.0/23
• 155.145.116.0/23
• 155.145.194.0/23
• 155.145.202.0/23
• 155.145.204.0/22
• 155.145.208.0/23
• 155.145.214.0/23
• 155.145.216.0/23
• 155.145.220.0/23

Upstream networks

• AS32787 Akamai Technologies, Inc.
• AS8220 COLT Technology Services Group Limited
• AS702 Verizon Business
• AS6461 Zayo Bandwidth

Adjacent networks

• AS32787 Akamai Technologies, Inc.
• AS8220 COLT Technology Services Group Limited
• AS702 Verizon Business
• AS6461 Zayo Bandwidth