ASN AS26584 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS26584?

AS26584 is listed under VERTAFORE, 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?

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AS26584 VERTAFORE, INC | IPGeolocation.io

ASN Lookup Tool

VERTAFORE, INC vertafore.com

US 11 Routes

AS Data

AS26584

AS26584 – VERTAFORE, INC

AS Number	26584
AS Name	26584
Organization	VERTAFORE, INC (amsse)
Country	US
Website	vertafore.com
Number of IPv4 Routes	11
Number of IPv6 Routes	0
ASN type	BUSINESS
Registry	ARIN
Date Allocated	2020-09-18

ASN Intelligence API for production workflows

Use ASN data for AS26584 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
8.42.62.0/23	AS26584	VERTAFORE, INC	Level 3 Parent, LLC	512
63.128.102.0/23	AS26584	VERTAFORE, INC	American Registry for Internet Numbers	512
209.209.36.0/23	AS26584	VERTAFORE, INC	VERTAFORE, INC	512
205.216.28.0/23	AS26584	VERTAFORE, INC	CenturyLink Communications, LLC	512
63.128.103.0/24	AS26584	VERTAFORE, INC	American Registry for Internet Numbers	256
205.216.29.0/24	AS26584	VERTAFORE, INC	CenturyLink Communications, LLC	256
8.42.63.0/24	AS26584	VERTAFORE, INC	Level 3 Parent, LLC	256
8.42.62.0/24	AS26584	VERTAFORE, INC	Level 3 Parent, LLC	256
63.128.102.0/24	AS26584	VERTAFORE, INC	American Registry for Internet Numbers	256
205.216.28.0/24	AS26584	VERTAFORE, INC	CenturyLink Communications, LLC	256
209.209.38.0/23	AS26584	VERTAFORE, INC	VERTAFORE, INC	512

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:       26584
ASName:         26584
ASHandle:       AS26584
RegDate:        2020-09-18
Updated:        2020-09-18
Ref:            https://rdap.arin.net/registry/autnum/26584


OrgName:        VERTAFORE, INC
OrgId:          AMSSE
Address:        999 18th Street
City:           Denver
StateProv:      CO
PostalCode:     80202
Country:        US
RegDate:        2002-09-25
Updated:        2026-07-01
Ref:            https://rdap.arin.net/registry/entity/AMSSE


OrgAbuseHandle: GUTTO3-ARIN
OrgAbuseName:   Guttormsen, Josh 
OrgAbusePhone:  +1-303-585-1221 
OrgAbuseEmail:  jguttormsen@vertafore.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/GUTTO3-ARIN

OrgTechHandle: COTNE20-ARIN
OrgTechName:   Cotney, Joey 
OrgTechPhone:  +1-800-444-4813 
OrgTechEmail:  Jcotney@vertafore.com
OrgTechRef:    https://rdap.arin.net/registry/entity/COTNE20-ARIN

OrgTechHandle: KELLA17-ARIN
OrgTechName:   Kellan-Fernandez, Brian 
OrgTechPhone:  +1-303-827-9278 
OrgTechEmail:  bkellan-fernandez@vertafore.com
OrgTechRef:    https://rdap.arin.net/registry/entity/KELLA17-ARIN

OrgTechHandle: PACHP-ARIN
OrgTechName:   pachpande, Ajay 
OrgTechPhone:  +1-717-590-0867 
OrgTechEmail:  apachpande@vertafore.com
OrgTechRef:    https://rdap.arin.net/registry/entity/PACHP-ARIN

OrgAbuseHandle: VNE8-ARIN
OrgAbuseName:   Vertafore Network Engineering
OrgAbusePhone:  +1-813-503-8573 
OrgAbuseEmail:  networkandsecurity@vertafore.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/VNE8-ARIN

OrgTechHandle: GUTTO3-ARIN
OrgTechName:   Guttormsen, Josh 
OrgTechPhone:  +1-303-585-1221 
OrgTechEmail:  jguttormsen@vertafore.com
OrgTechRef:    https://rdap.arin.net/registry/entity/GUTTO3-ARIN

OrgNOCHandle: VNE8-ARIN
OrgNOCName:   Vertafore Network Engineering
OrgNOCPhone:  +1-813-503-8573 
OrgNOCEmail:  networkandsecurity@vertafore.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/VNE8-ARIN

OrgTechHandle: VNE8-ARIN
OrgTechName:   Vertafore Network Engineering
OrgTechPhone:  +1-813-503-8573 
OrgTechEmail:  networkandsecurity@vertafore.com
OrgTechRef:    https://rdap.arin.net/registry/entity/VNE8-ARIN

OrgAbuseHandle: KELLA17-ARIN
OrgAbuseName:   Kellan-Fernandez, Brian 
OrgAbusePhone:  +1-303-827-9278 
OrgAbuseEmail:  bkellan-fernandez@vertafore.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/KELLA17-ARIN

OrgTechHandle: NSA99-ARIN
OrgTechName:   Network Security Administration
OrgTechPhone:  +1-360-389-6747 
OrgTechEmail:  rhook@vertafore.com
OrgTechRef:    https://rdap.arin.net/registry/entity/NSA99-ARIN

OrgNOCHandle: GUTTO3-ARIN
OrgNOCName:   Guttormsen, Josh 
OrgNOCPhone:  +1-303-585-1221 
OrgNOCEmail:  jguttormsen@vertafore.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/GUTTO3-ARIN

OrgNOCHandle: NSA99-ARIN
OrgNOCName:   Network Security Administration
OrgNOCPhone:  +1-360-389-6747 
OrgNOCEmail:  rhook@vertafore.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/NSA99-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" : "26584",
    "as_handle" : "AS26584",
    "as_name" : "26584",
    "tech_contacts" : [ "COTNE20-ARIN", "KELLA17-ARIN", "PACHP-ARIN", "GUTTO3-ARIN", "VNE8-ARIN", "NSA99-ARIN" ],
    "abuse_contacts" : [ "GUTTO3-ARIN", "VNE8-ARIN", "KELLA17-ARIN" ],
    "date_created" : "2020-09-18",
    "date_updated" : "2020-09-18",
    "source" : "https://rdap.arin.net/registry/autnum/26584"
  } ],
  "organization" : {
    "handle" : "AMSSE",
    "name" : "VERTAFORE, INC",
    "address" : [ "999 18th Street", "Denver", "CO", "80202", "US" ],
    "street" : "18th Street",
    "city" : "Denver",
    "state" : "CO",
    "zip_code" : "80202",
    "country" : [ "US" ],
    "date_created" : "2002-09-25",
    "date_updated" : "2026-07-01",
    "source" : "https://rdap.arin.net/registry/entity/AMSSE",
    "addressCountry" : "US"
  },
  "technical_contacts" : [ {
    "handle" : "COTNE20-ARIN",
    "name" : "Cotney, Joey",
    "email" : [ "Jcotney@vertafore.com" ],
    "phone" : [ "+1-800-444-4813" ],
    "source" : "https://rdap.arin.net/registry/entity/COTNE20-ARIN"
  }, {
    "handle" : "KELLA17-ARIN",
    "name" : "Kellan-Fernandez, Brian",
    "email" : [ "bkellan-fernandez@vertafore.com" ],
    "phone" : [ "+1-303-827-9278" ],
    "source" : "https://rdap.arin.net/registry/entity/KELLA17-ARIN"
  }, {
    "handle" : "PACHP-ARIN",
    "name" : "pachpande, Ajay",
    "email" : [ "apachpande@vertafore.com" ],
    "phone" : [ "+1-717-590-0867" ],
    "source" : "https://rdap.arin.net/registry/entity/PACHP-ARIN"
  }, {
    "handle" : "GUTTO3-ARIN",
    "name" : "Guttormsen, Josh",
    "email" : [ "jguttormsen@vertafore.com" ],
    "phone" : [ "+1-303-585-1221" ],
    "source" : "https://rdap.arin.net/registry/entity/GUTTO3-ARIN"
  }, {
    "handle" : "VNE8-ARIN",
    "name" : "Vertafore Network Engineering",
    "email" : [ "networkandsecurity@vertafore.com" ],
    "phone" : [ "+1-813-503-8573" ],
    "source" : "https://rdap.arin.net/registry/entity/VNE8-ARIN"
  }, {
    "handle" : "NSA99-ARIN",
    "name" : "Network Security Administration",
    "email" : [ "rhook@vertafore.com" ],
    "phone" : [ "+1-360-389-6747" ],
    "source" : "https://rdap.arin.net/registry/entity/NSA99-ARIN"
  } ],
  "abuse_contacts" : [ {
    "handle" : "GUTTO3-ARIN",
    "name" : "Guttormsen, Josh",
    "email" : [ "jguttormsen@vertafore.com" ],
    "phone" : [ "+1-303-585-1221" ],
    "source" : "https://rdap.arin.net/registry/entity/GUTTO3-ARIN"
  }, {
    "handle" : "VNE8-ARIN",
    "name" : "Vertafore Network Engineering",
    "email" : [ "networkandsecurity@vertafore.com" ],
    "phone" : [ "+1-813-503-8573" ],
    "source" : "https://rdap.arin.net/registry/entity/VNE8-ARIN"
  }, {
    "handle" : "KELLA17-ARIN",
    "name" : "Kellan-Fernandez, Brian",
    "email" : [ "bkellan-fernandez@vertafore.com" ],
    "phone" : [ "+1-303-827-9278" ],
    "source" : "https://rdap.arin.net/registry/entity/KELLA17-ARIN"
  } ]
}

Peers

AS Number	Description	Country
AS12213	Centersquare	US
AS3356	Level 3 Parent, LLC	US
AS13649	Flexential Colorado Corp.	US

Upstreams

AS Number	Description	Country
AS12213	Centersquare	US
AS3356	Level 3 Parent, LLC	US
AS13649	Flexential Colorado Corp.	US