ASN AS20249 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS20249?

AS20249 is listed under Jefferies LLC.

What do peers, upstreams, and downstreams mean in ASN data?

Peers are lateral network interconnections, upstreams are transit providers, and downstreams are customer networks receiving connectivity.

What are routes and IP ranges for an ASN?

Routes and IP ranges are the network prefixes announced by the ASN on the internet and show the address space it originates.

Why is WHOIS data shown for an ASN?

WHOIS data provides registration and contact context for ASN ownership, administration, and operational reference.

How can I access the full ASN tables?

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AS20249 Jefferies LLC | IPGeolocation.io

ASN Lookup Tool

Jefferies LLC jefferies.com

US 50 Routes

AS Data

AS20249

AS20249 – Jefferies LLC

AS Number	20249
AS Name	AS20249
Organization	Jefferies LLC(jeffer-2)
Country	US
Website	jefferies.com
Number of IPv4 Routes	50
Number of IPv6 Routes	0
ASN type	BUSINESS
Registry	ARIN
Date Allocated	2019-07-08

ASN Intelligence API for production workflows

Use ASN data for AS20249 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
169.196.1.0/24	AS20249	Jefferies LLC	Jefferies LLC	256
169.196.160.0/20	AS20249	Jefferies LLC	Jefferies LLC	4096
169.196.197.0/24	AS20249	Jefferies LLC	Jefferies LLC	256
169.196.219.0/24	AS20249	Jefferies LLC	Jefferies LLC	256
169.196.0.0/23	AS20249	Jefferies LLC	Jefferies LLC	512
169.196.202.0/24	AS20249	Jefferies LLC	Jefferies LLC	256
169.196.196.0/23	AS20249	Jefferies LLC	Jefferies LLC	512
169.196.73.0/24	AS20249	Jefferies LLC	Jefferies LLC	256
169.196.2.0/23	AS20249	Jefferies LLC	Jefferies LLC	512
169.196.248.0/21	AS20249	Jefferies LLC	Jefferies LLC	2048

Raw Whois Response

#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2026, American Registry for Internet Numbers, Ltd.
#


ASNumber:       20249
ASName:         AS20249
ASHandle:       AS20249
RegDate:        2019-07-08
Updated:        2020-10-05    
Ref:            https://rdap.arin.net/registry/autnum/20249


OrgName:        Jefferies LLC
OrgId:          JEFFER-2
Address:        520 Madison Avenue
Address:        10th Floor
City:           New York City
StateProv:      NY
PostalCode:     10022
Country:        US
RegDate:        1995-02-23
Updated:        2024-01-24
Ref:            https://rdap.arin.net/registry/entity/JEFFER-2


OrgTechHandle: NETWO6562-ARIN
OrgTechName:   Network Engineering
OrgTechPhone:  +1-201-761-7666 
OrgTechEmail:  network_engineering@Jefferies.com
OrgTechRef:    https://rdap.arin.net/registry/entity/NETWO6562-ARIN

OrgTechHandle: NEVAT-ARIN
OrgTechName:   Nevatia, Anup 
OrgTechPhone:  +1-201-985-6979 
OrgTechEmail:  anevatia@jefferies.com
OrgTechRef:    https://rdap.arin.net/registry/entity/NEVAT-ARIN

OrgNOCHandle: NETWO6562-ARIN
OrgNOCName:   Network Engineering
OrgNOCPhone:  +1-201-761-7666 
OrgNOCEmail:  network_engineering@Jefferies.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/NETWO6562-ARIN

OrgTechHandle: ROBAY16-ARIN
OrgTechName:   Robayo, Fernando 
OrgTechPhone:  +1-201-761-7713 
OrgTechEmail:  frobayo@jefferies.com
OrgTechRef:    https://rdap.arin.net/registry/entity/ROBAY16-ARIN

OrgAbuseHandle: NETWO6562-ARIN
OrgAbuseName:   Network Engineering
OrgAbusePhone:  +1-201-761-7666 
OrgAbuseEmail:  network_engineering@Jefferies.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/NETWO6562-ARIN

RTechHandle: NETWO6562-ARIN
RTechName:   Network Engineering
RTechPhone:  +1-201-761-7666 
RTechEmail:  network_engineering@Jefferies.com
RTechRef:    https://rdap.arin.net/registry/entity/NETWO6562-ARIN

RAbuseHandle: NETWO6562-ARIN
RAbuseName:   Network Engineering
RAbusePhone:  +1-201-761-7666 
RAbuseEmail:  network_engineering@Jefferies.com
RAbuseRef:    https://rdap.arin.net/registry/entity/NETWO6562-ARIN

RNOCHandle: NETWO6562-ARIN
RNOCName:   Network Engineering
RNOCPhone:  +1-201-761-7666 
RNOCEmail:  network_engineering@Jefferies.com
RNOCRef:    https://rdap.arin.net/registry/entity/NETWO6562-ARIN


#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2026, American Registry for Internet Numbers, Ltd.
#

Parsed Whois Response

{
  "status" : true,
  "whois_server" : "whois.arin.net",
  "aut_nums" : [ {
    "aut_num" : "20249",
    "as_handle" : "AS20249",
    "as_name" : "AS20249",
    "tech_contacts" : [ "NETWO6562-ARIN", "NEVAT-ARIN", "ROBAY16-ARIN", "NETWO6562-ARIN" ],
    "abuse_contacts" : [ "NETWO6562-ARIN", "NETWO6562-ARIN" ],
    "date_created" : "2019-07-08",
    "date_updated" : "2020-10-05",
    "source" : "https://rdap.arin.net/registry/autnum/20249"
  } ],
  "organization" : {
    "handle" : "JEFFER-2",
    "name" : "Jefferies LLC",
    "address" : [ "520 Madison Avenue", "10th Floor", "New York City", "NY", "10022", "US" ],
    "street" : "Madison Avenue",
    "city" : "New York City",
    "state" : "NY",
    "zip_code" : "10022",
    "country" : [ "US" ],
    "date_created" : "1995-02-23",
    "date_updated" : "2024-01-24",
    "source" : "https://rdap.arin.net/registry/entity/JEFFER-2",
    "addressCountry" : "US"
  },
  "technical_contacts" : [ {
    "handle" : "NETWO6562-ARIN",
    "name" : "Network Engineering",
    "email" : [ "network_engineering@Jefferies.com" ],
    "phone" : [ "+1-201-761-7666" ],
    "source" : "https://rdap.arin.net/registry/entity/NETWO6562-ARIN"
  }, {
    "handle" : "NEVAT-ARIN",
    "name" : "Nevatia, Anup",
    "email" : [ "anevatia@jefferies.com" ],
    "phone" : [ "+1-201-985-6979" ],
    "source" : "https://rdap.arin.net/registry/entity/NEVAT-ARIN"
  }, {
    "handle" : "ROBAY16-ARIN",
    "name" : "Robayo, Fernando",
    "email" : [ "frobayo@jefferies.com" ],
    "phone" : [ "+1-201-761-7713" ],
    "source" : "https://rdap.arin.net/registry/entity/ROBAY16-ARIN"
  } ],
  "abuse_contacts" : [ {
    "handle" : "NETWO6562-ARIN",
    "name" : "Network Engineering",
    "email" : [ "network_engineering@Jefferies.com" ],
    "phone" : [ "+1-201-761-7666" ],
    "source" : "https://rdap.arin.net/registry/entity/NETWO6562-ARIN"
  } ]
}

Peers

AS Number	Description	Country
AS2686	AT&T Enterprises, LLC	US
AS9498	Bharti Airtel Limited	IN
AS3549	Level 3 Communications, Inc. (GBLX)	US
AS15570	PACKETFABRIC UK LTD	GB
AS21859	Zenlayer Inc	US
AS2914	NTT America, Inc.	US
AS9498	Bharti Airtel Ltd	IN
AS13789	Unitas Global	US
AS4755	Tata Communications (formerly VSNL)	IN
AS3491	PCCW Global HK Limited	HK

Upstreams

AS Number	Description	Country
AS2686	AT&T Enterprises, LLC	US
AS15830	Equinix EMEA Acquisition Enterprises B.V.	NL
AS46887	Crown Castle Fiber LLC	US
AS7018	AT&T Enterprises, LLC	US
AS8220	COLT Technology Services Group Limited	GB
AS9498	Bharti Airtel Limited	IN
AS17675	PacketFabric Japan Co., Ltd.	JP
AS15570	PACKETFABRIC UK LTD	GB
AS133012	Cocoa Oriental Network Limited	HK
AS21859	Zenlayer Inc	US

Legacy Routes

169.196.65.0/24 62.189.114.0/24 169.196.67.0/24