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AS55049 Samlyn Capital, LLC | IPGeolocation.io

Q: Why is WHOIS data shown for an ASN?

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

ASN Lookup Tool

Samlyn Capital, LLC eci.com

US 2 Routes

AS Data

AS55049

AS55049 – Samlyn Capital, LLC

AS Number	55049
AS Name	ASN-SCL
Organization	Samlyn Capital, LLC (scl-206)
Country	US
Website	eci.com
Number of IPv4 Routes	2
Number of IPv6 Routes	0
ASN type	BUSINESS
Registry	ARIN
Date Allocated	2013-02-25

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Use ASN data for AS55049 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
38.65.30.0/24	AS55049	Samlyn Capital, LLC	Samlyn Capital, LLC	256
192.64.67.0/24	AS55049	Samlyn Capital, LLC	Samlyn Capital, LLC	256

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:       55049
ASName:         ASN-SCL
ASHandle:       AS55049
RegDate:        2013-02-25
Updated:        2013-02-25
Ref:            https://rdap.arin.net/registry/autnum/55049


OrgName:        Samlyn Capital, LLC
OrgId:          SCL-206
Address:        500 Park Aveenue,2nd Floor
City:           New York
StateProv:      NY
PostalCode:     10022
Country:        US
RegDate:        2013-02-14
Updated:        2023-05-18
Comment:        Attached is the Certificate of Formation.
Ref:            https://rdap.arin.net/registry/entity/SCL-206


OrgTechHandle: ENOC23-ARIN
OrgTechName:   ECINet Network Operations Center
OrgTechPhone:  +1-212-954-0660 
OrgTechEmail:  noc@eci.com
OrgTechRef:    https://rdap.arin.net/registry/entity/ENOC23-ARIN

OrgAbuseHandle: ENOC23-ARIN
OrgAbuseName:   ECINet Network Operations Center
OrgAbusePhone:  +1-212-954-0660 
OrgAbuseEmail:  noc@eci.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/ENOC23-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" : "55049",
    "as_handle" : "AS55049",
    "as_name" : "ASN-SCL",
    "tech_contacts" : [ "ENOC23-ARIN" ],
    "abuse_contacts" : [ "ENOC23-ARIN" ],
    "date_created" : "2013-02-25",
    "date_updated" : "2013-02-25",
    "source" : "https://rdap.arin.net/registry/autnum/55049"
  } ],
  "organization" : {
    "handle" : "SCL-206",
    "name" : "Samlyn Capital, LLC",
    "address" : [ "500 Park Aveenue,2nd Floor", "New York", "NY", "10022", "US" ],
    "street" : "Park Aveenue",
    "city" : "New York",
    "state" : "NY",
    "zip_code" : "10022",
    "country" : [ "US" ],
    "date_created" : "2013-02-14",
    "date_updated" : "2023-05-18",
    "source" : "https://rdap.arin.net/registry/entity/SCL-206",
    "addressCountry" : "US"
  },
  "technical_contacts" : [ {
    "handle" : "ENOC23-ARIN",
    "name" : "ECINet Network Operations Center",
    "email" : [ "noc@eci.com" ],
    "phone" : [ "+1-212-954-0660" ],
    "source" : "https://rdap.arin.net/registry/entity/ENOC23-ARIN"
  } ],
  "abuse_contacts" : [ {
    "handle" : "ENOC23-ARIN",
    "name" : "ECINet Network Operations Center",
    "email" : [ "noc@eci.com" ],
    "phone" : [ "+1-212-954-0660" ],
    "source" : "https://rdap.arin.net/registry/entity/ENOC23-ARIN"
  } ]
}

Peers

AS Number	Description	Country
AS46887	Crown Castle Fiber LLC	US
AS14717	EZE Castle Integration Inc.	US
AS1239	Cogent Communications, LLC	US
AS174	Cogent Communications, LLC	US

Upstreams

AS Number	Description	Country
AS46887	Crown Castle Fiber LLC	US
AS14717	EZE Castle Integration Inc.	US
AS174	Cogent Communications, LLC	US

Frequently Asked Questions

What is ASN AS55049?

ASN AS55049 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS55049?

AS55049 is listed under Samlyn Capital, LLC.

What do peers, upstreams, and downstreams mean?

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 included here?

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

How can I access full ASN table data?

This page previews large ASN datasets. Use See more to load additional rows, and upgrade your plan to view complete peer, route, upstream, and downstream data.