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AS63397 Willett Advisors 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

Willett Advisors LLC gellerco.com

US 3 Routes

AS Data

AS63397

AS63397 – Willett Advisors LLC

AS Number	63397
AS Name	WILLETT
Organization	Willett Advisors LLC (wal-29)
Country	US
Website	gellerco.com
Number of IPv4 Routes	3
Number of IPv6 Routes	0
ASN type	BUSINESS
Registry	ARIN
Date Allocated	2015-02-23

ASN Intelligence API for production workflows

Use ASN data for AS63397 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
47.19.151.0/24	AS63397	Willett Advisors LLC	WILLETT ADVISORS LLC	256
47.19.152.0/24	AS63397	Willett Advisors LLC	WILLETT ADVISORS LLC	256
38.79.7.0/24	AS63397	Willett Advisors LLC	Willett Advisors 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:       63397
ASName:         WILLETT
ASHandle:       AS63397
RegDate:        2015-02-23
Updated:        2015-02-23
Ref:            https://rdap.arin.net/registry/autnum/63397


OrgName:        Willett Advisors LLC
OrgId:          WAL-29
Address:        650 Madison Avenue 
Address:        16th & 17th Floor
City:           New York
StateProv:      NY
PostalCode:     10022
Country:        US
RegDate:        2015-01-16
Updated:        2022-12-07
Ref:            https://rdap.arin.net/registry/entity/WAL-29


OrgNOCHandle: NETWO9794-ARIN
OrgNOCName:   NetworkGroup
OrgNOCPhone:  +1-212-583-6000 
OrgNOCEmail:  networkgroup@gellerco.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/NETWO9794-ARIN

OrgAbuseHandle: NETWO9794-ARIN
OrgAbuseName:   NetworkGroup
OrgAbusePhone:  +1-212-583-6000 
OrgAbuseEmail:  networkgroup@gellerco.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/NETWO9794-ARIN

OrgTechHandle: NETWO9794-ARIN
OrgTechName:   NetworkGroup
OrgTechPhone:  +1-212-583-6000 
OrgTechEmail:  networkgroup@gellerco.com
OrgTechRef:    https://rdap.arin.net/registry/entity/NETWO9794-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" : "63397",
    "as_handle" : "AS63397",
    "as_name" : "WILLETT",
    "tech_contacts" : [ "NETWO9794-ARIN" ],
    "abuse_contacts" : [ "NETWO9794-ARIN" ],
    "date_created" : "2015-02-23",
    "date_updated" : "2015-02-23",
    "source" : "https://rdap.arin.net/registry/autnum/63397"
  } ],
  "organization" : {
    "handle" : "WAL-29",
    "name" : "Willett Advisors LLC",
    "address" : [ "650 Madison Avenue", "16th & 17th Floor", "New York", "NY", "10022", "US" ],
    "street" : "Madison Avenue 16th & 17th",
    "city" : "New York",
    "state" : "NY",
    "zip_code" : "10022",
    "country" : [ "US" ],
    "date_created" : "2015-01-16",
    "date_updated" : "2022-12-07",
    "source" : "https://rdap.arin.net/registry/entity/WAL-29",
    "addressCountry" : "US"
  },
  "technical_contacts" : [ {
    "handle" : "NETWO9794-ARIN",
    "name" : "NetworkGroup",
    "email" : [ "networkgroup@gellerco.com" ],
    "phone" : [ "+1-212-583-6000" ],
    "source" : "https://rdap.arin.net/registry/entity/NETWO9794-ARIN"
  } ],
  "abuse_contacts" : [ {
    "handle" : "NETWO9794-ARIN",
    "name" : "NetworkGroup",
    "email" : [ "networkgroup@gellerco.com" ],
    "phone" : [ "+1-212-583-6000" ],
    "source" : "https://rdap.arin.net/registry/entity/NETWO9794-ARIN"
  } ]
}

Peers

AS Number	Description	Country
AS1239	Cogent Communications, LLC	US
AS174	Cogent Communications, LLC	US
AS54004	Cablevision Lightpath LLC	US

Upstreams

AS Number	Description	Country
AS174	Cogent Communications, LLC	US
AS54004	Cablevision Lightpath LLC	US

Frequently Asked Questions

What is ASN AS63397?

ASN AS63397 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS63397?

AS63397 is listed under Willett Advisors 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.