AS20249 — AS20249 - Jefferies LLC

AS20249 announces 20 IPv4 prefixes covering 18,688 addresses and 0 IPv6 prefixes.

About this network

AS20249 is operated by Jefferies LLC, a global investment banking and capital markets firm.

What it's used for

• The address space is registered under the netname JEFCO2 for Jefferies LLC; Network Engineering, indicating an internal corporate network for the financial services company.
• The AS announces 18,688 IPv4 addresses across 20 prefixes, with 21 observed neighbours. This ratio of moderate address space to a significant number of peering partners suggests a corporate network with multiple sites or a need for diverse connectivity, rather than a pure transit provider or residential ISP.

Notable

• Registrants are consistent with the announcer, with Jefferies LLC holding the majority of the US-based space and Jefferies International Limited holding a small UK-based block (185.55.134.0/23).
• The address inventory is heavily concentrated in the 169.196.0.0/16 range, with one outlier in 185.55.134.0/23, reflecting the company's global footprint.

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

Announced prefixes

• 169.196.0.0/22
• 169.196.18.0/23
• 169.196.55.0/24
• 169.196.67.0/24
• 169.196.71.0/24
• 169.196.72.0/23
• 169.196.96.0/23
• 169.196.110.0/24
• 169.196.116.0/24
• 169.196.119.0/24
• 169.196.156.0/24
• 169.196.160.0/19
• 169.196.196.0/22
• 169.196.202.0/23
• 169.196.219.0/24
• 169.196.240.0/22
• 169.196.244.0/24
• 169.196.246.0/23
• 169.196.248.0/21
• 185.55.134.0/23

Upstream networks

• AS13335 Cloudflare, Inc.
• AS15570 PACKETFABRIC (UK) LTD
• AS3356 Level 3 Parent, LLC
• AS1828 Unitas Global
• AS15830 Equinix (EMEA) Acquisition Enterprises B.V.
• AS7018 AT&T Enterprises, LLC
• AS2914 NTT America, Inc.
• AS10913 Unitas Global
• AS13789 Unitas Global
• AS3257 GTT Communications Inc.
• AS17675 PacketFabric (Japan) Co., Ltd.
• AS8220 COLT Technology Services Group Limited
• AS6461 Zayo Bandwidth
• AS2686 AT&T Enterprises, LLC
• AS9498 BHARTI Airtel Ltd.
• AS3491 PCCW Global (HK) Ltd.
• AS46887 Crown Castle Fiber LLC
• AS21859 Zenlayer Inc
• AS133012 Cocoa Oriental Network Limited
• AS4755 TATA Communications formerly VSNL is Leading ISP

Adjacent networks

• AS13335 Cloudflare, Inc.
• AS15570 PACKETFABRIC (UK) LTD
• AS3356 Level 3 Parent, LLC
• AS1828 Unitas Global
• AS15830 Equinix (EMEA) Acquisition Enterprises B.V.
• AS7018 AT&T Enterprises, LLC
• AS2914 NTT America, Inc.
• AS10913 Unitas Global
• AS13789 Unitas Global
• AS3257 GTT Communications Inc.
• AS17675 PacketFabric (Japan) Co., Ltd.
• AS8220 COLT Technology Services Group Limited
• AS6461 Zayo Bandwidth
• AS2686 AT&T Enterprises, LLC
• AS9498 BHARTI Airtel Ltd.
• AS3491 PCCW Global (HK) Ltd.
• AS46887 Crown Castle Fiber LLC
• AS21859 Zenlayer Inc
• AS133012 Cocoa Oriental Network Limited
• AS4755 TATA Communications formerly VSNL is Leading ISP