AS18971 — BC

AS18971 announces 2 IPv4 prefixes covering 512 addresses and 0 IPv6 prefixes.

About this network

The AS handle BC is held by Barclays Financial Corp.

What it's used for

• The address space carries internal corporate infrastructure, evidenced by the netname BARCLAYS-CAPITAL and registrant Barclays Capital for both announced prefixes.
• The inventory consists of 512 IPv4 addresses across 2 prefixes, with 5 observed neighbours. This low neighbour count relative to the address space indicates an internal corporate estate rather than a transit or access network.

Notable

• The registrants Barclays Capital align with the announcer BCUS - BARCLAYS FINANCIAL CORP., confirming the space is owned by the financial institution.
• The address inventory is finely subdivided into two /24 blocks, consistent with site-by-site segmentation for a large corporation.

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

Announced prefixes

• 146.127.245.0/24
• 146.127.247.0/24

Upstream networks

• AS32787 Akamai Technologies, Inc.

Downstream networks

• AS14733 Barclays Capital Inc.

Adjacent networks

• AS14733 Barclays Capital Inc.
• AS32787 Akamai Technologies, Inc.
• AS3356 Level 3 Parent, LLC
• AS6461 Zayo Bandwidth

Routing security

• RPKI: 0 valid, 0 invalid and 2 not-found announcements; 0 ROAs.
• ASPA: none published.
• IRR: 100% of announcements registered; 70 route objects.
• Listed in as-sets: AS-PROLE, AS-TELSTRA-INTL-CUSTOMERS.