ASN AS19031 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS19031?

AS19031 is listed under CU Answers, Inc..

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?

The page shows a preview of large ASN datasets. Use the page controls to load more rows, and upgrade to a paid plan for complete access.

AS19031 CU Answers, Inc. | IPGeolocation.io

ASN Lookup Tool

CU Answers, Inc. cuanswers.com

US 11 Routes

AS Data

AS19031

AS19031 – CU Answers, Inc.

AS Number	19031
AS Name	WESCO
Organization	CU Answers, Inc. (wesco-3)
Country	US
Website	cuanswers.com
Number of IPv4 Routes	11
Number of IPv6 Routes	0
ASN type	BUSINESS
Registry	ARIN
Date Allocated	2000-11-10

ASN Intelligence API for production workflows

Use ASN data for AS19031 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

Access complete peers, upstreams, downstreams, routes, WHOIS, and contact intelligence via our API. Learn more

Get ASN API Key ASN API Docs

IP Ranges

Route	Origin	Origin Name	ISP	# IPs
104.36.52.0/24	AS19031	CU Answers, Inc.	CU Answers, Inc.	256
104.36.54.0/24	AS19031	CU Answers, Inc.	CU Answers, Inc.	256
63.233.79.0/24	AS19031	CU Answers, Inc.	CenturyLink Communications, LLC	256
104.36.53.0/24	AS19031	CU Answers, Inc.	CU Answers, Inc.	256
104.36.55.0/24	AS19031	CU Answers, Inc.	CU Answers, Inc.	256
216.206.109.0/24	AS19031	CU Answers, Inc.	CenturyLink Communications, LLC	256
63.239.100.0/24	AS19031	CU Answers, Inc.	CenturyLink Communications, LLC	256
66.115.246.0/24	AS19031	CU Answers, Inc.	CU Answers, Inc.	256
63.150.21.0/24	AS19031	CU Answers, Inc.	CenturyLink Communications, LLC	256
216.111.149.0/24	AS19031	CU Answers, Inc.	CenturyLink Communications, 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:       19031
ASName:         WESCO
ASHandle:       AS19031
RegDate:        2000-11-10
Updated:        2012-03-02
Ref:            https://rdap.arin.net/registry/autnum/19031


OrgName:        CU*Answers, Inc.
OrgId:          WESCO-3
Address:        6000 28th Street SE
Address:        Suite 100
City:           Grand Rapids
StateProv:      MI
PostalCode:     49546
Country:        US
RegDate:        2000-11-10
Updated:        2011-09-24
Ref:            https://rdap.arin.net/registry/entity/WESCO-3


OrgTechHandle: CUANS-ARIN
OrgTechName:   CUAnswers Administrator
OrgTechPhone:  +1-616-285-5711 
OrgTechEmail:  admin@cuanswers.com
OrgTechRef:    https://rdap.arin.net/registry/entity/CUANS-ARIN

OrgAbuseHandle: CUANS-ARIN
OrgAbuseName:   CUAnswers Administrator
OrgAbusePhone:  +1-616-285-5711 
OrgAbuseEmail:  admin@cuanswers.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/CUANS-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" : "19031",
    "as_handle" : "AS19031",
    "as_name" : "WESCO",
    "tech_contacts" : [ "CUANS-ARIN" ],
    "abuse_contacts" : [ "CUANS-ARIN" ],
    "date_created" : "2000-11-10",
    "date_updated" : "2012-03-02",
    "source" : "https://rdap.arin.net/registry/autnum/19031"
  } ],
  "organization" : {
    "handle" : "WESCO-3",
    "name" : "CU*Answers, Inc.",
    "address" : [ "6000 28th Street SE", "Suite 100", "Grand Rapids", "MI", "49546", "US" ],
    "street" : "28th Street Se",
    "city" : "Grand Rapids",
    "state" : "MI",
    "zip_code" : "49546",
    "country" : [ "US" ],
    "date_created" : "2000-11-10",
    "date_updated" : "2011-09-24",
    "source" : "https://rdap.arin.net/registry/entity/WESCO-3",
    "addressCountry" : "US"
  },
  "technical_contacts" : [ {
    "handle" : "CUANS-ARIN",
    "name" : "CUAnswers Administrator",
    "email" : [ "admin@cuanswers.com" ],
    "phone" : [ "+1-616-285-5711" ],
    "source" : "https://rdap.arin.net/registry/entity/CUANS-ARIN"
  } ],
  "abuse_contacts" : [ {
    "handle" : "CUANS-ARIN",
    "name" : "CUAnswers Administrator",
    "email" : [ "admin@cuanswers.com" ],
    "phone" : [ "+1-616-285-5711" ],
    "source" : "https://rdap.arin.net/registry/entity/CUANS-ARIN"
  } ]
}

Peers

AS Number	Description	Country
AS271253	LINK BRASIL TELECOMUNICACOES LTDA	BR
AS12129	123.Net, Inc.	US
AS1239	Cogent Communications, LLC	US
AS13576	SDN Communications	US
AS286	GTT Communications Inc.	NL
AS286	GTT Communications Inc.	US
AS3257	GTT Communications Inc.	US
AS3356	Level 3 Parent, LLC	US
AS174	Cogent Communications, LLC	US
AS33668	Comcast Cable Communications, LLC	US

Upstreams

AS Number	Description	Country
AS12129	123.Net, Inc.	US
AS13576	SDN Communications	US
AS286	GTT Communications Inc.	US
AS3257	GTT Communications Inc.	US
AS3356	Level 3 Parent, LLC	US
AS174	Cogent Communications, LLC	US
AS33668	Comcast Cable Communications, LLC	US