ASN AS46221 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS46221?

AS46221 is listed under Ascentient, 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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AS46221 Ascentient, Inc. | IPGeolocation.io

ASN Lookup Tool

Ascentient, Inc. ascentient.com

US 1 Routes

AS Data

AS46221

AS46221 – Ascentient, Inc.

AS Number	46221
AS Name	ASCENTIENT
Organization	Ascentient, Inc. (ascen-63)
Country	US
Website	ascentient.com
Number of IPv4 Routes	1
Number of IPv6 Routes	0
ASN type	BUSINESS
Registry	ARIN
Date Allocated	2008-07-18

ASN Intelligence API for production workflows

Use ASN data for AS46221 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
204.93.158.0/24	AS46221	MIS Choice, Inc.	MIS Choice	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:       46221
ASName:         ASCENTIENT
ASHandle:       AS46221
RegDate:        2008-07-18
Updated:        2026-07-31
Ref:            https://rdap.arin.net/registry/autnum/46221


OrgName:        Ascentient, Inc.
OrgId:          ASCEN-63
Address:        300 N Martingale Rd
Address:        Suite 250
City:           Schaumburg
StateProv:      IL
PostalCode:     60173
Country:        US
RegDate:        2025-12-04
Updated:        2026-07-21
Ref:            https://rdap.arin.net/registry/entity/ASCEN-63


OrgAbuseHandle: NOC3153-ARIN
OrgAbuseName:   Network Operation Center
OrgAbusePhone:  +1-847-690-1900 
OrgAbuseEmail:  nico.gazzano@ascentient.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/NOC3153-ARIN

OrgAbuseHandle: GAZZA1-ARIN
OrgAbuseName:   Gazzano, Nico 
OrgAbusePhone:  +1-847-364-0554 
OrgAbuseEmail:  nico.gazzano@mischoice.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/GAZZA1-ARIN

OrgAbuseHandle: IMPAS1-ARIN
OrgAbuseName:   Impastato, Mike 
OrgAbusePhone:  +1-847-690-1900 
OrgAbuseEmail:  mike.impastato@ascentient.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/IMPAS1-ARIN

OrgTechHandle: NOC3153-ARIN
OrgTechName:   Network Operation Center
OrgTechPhone:  +1-847-690-1900 
OrgTechEmail:  nico.gazzano@ascentient.com
OrgTechRef:    https://rdap.arin.net/registry/entity/NOC3153-ARIN

OrgTechHandle: DIAZV-ARIN
OrgTechName:   Diaz, Veronica  
OrgTechPhone:  +1-847-690-1900 
OrgTechEmail:  veronica.diaz@ascentient.com
OrgTechRef:    https://rdap.arin.net/registry/entity/DIAZV-ARIN

OrgTechHandle: UMFUR1-ARIN
OrgTechName:   Umfurer, Evelyn  
OrgTechPhone:  +1-847-690-1900 
OrgTechEmail:  evelyn.umfurer@ascentient.com
OrgTechRef:    https://rdap.arin.net/registry/entity/UMFUR1-ARIN

OrgAbuseHandle: UMFUR1-ARIN
OrgAbuseName:   Umfurer, Evelyn  
OrgAbusePhone:  +1-847-690-1900 
OrgAbuseEmail:  evelyn.umfurer@ascentient.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/UMFUR1-ARIN

OrgTechHandle: IMPAS1-ARIN
OrgTechName:   Impastato, Mike 
OrgTechPhone:  +1-847-690-1900 
OrgTechEmail:  mike.impastato@ascentient.com
OrgTechRef:    https://rdap.arin.net/registry/entity/IMPAS1-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" : "46221",
    "as_handle" : "AS46221",
    "as_name" : "ASCENTIENT",
    "tech_contacts" : [ "NOC3153-ARIN", "DIAZV-ARIN", "UMFUR1-ARIN", "IMPAS1-ARIN" ],
    "abuse_contacts" : [ "NOC3153-ARIN", "GAZZA1-ARIN", "IMPAS1-ARIN", "UMFUR1-ARIN" ],
    "date_created" : "2008-07-18",
    "date_updated" : "2026-07-31",
    "source" : "https://rdap.arin.net/registry/autnum/46221"
  } ],
  "organization" : {
    "handle" : "ASCEN-63",
    "name" : "Ascentient, Inc.",
    "address" : [ "300 N Martingale Rd", "Suite 250", "Schaumburg", "IL", "60173", "US" ],
    "street" : "N Martingale Rd",
    "city" : "Schaumburg",
    "state" : "IL",
    "zip_code" : "60173",
    "country" : [ "US" ],
    "date_created" : "2025-12-04",
    "date_updated" : "2026-07-21",
    "source" : "https://rdap.arin.net/registry/entity/ASCEN-63",
    "addressCountry" : "US"
  },
  "technical_contacts" : [ {
    "handle" : "NOC3153-ARIN",
    "name" : "Network Operation Center",
    "email" : [ "nico.gazzano@ascentient.com" ],
    "phone" : [ "+1-847-690-1900" ],
    "source" : "https://rdap.arin.net/registry/entity/NOC3153-ARIN"
  }, {
    "handle" : "DIAZV-ARIN",
    "name" : "Diaz, Veronica",
    "email" : [ "veronica.diaz@ascentient.com" ],
    "phone" : [ "+1-847-690-1900" ],
    "source" : "https://rdap.arin.net/registry/entity/DIAZV-ARIN"
  }, {
    "handle" : "UMFUR1-ARIN",
    "name" : "Umfurer, Evelyn",
    "email" : [ "evelyn.umfurer@ascentient.com" ],
    "phone" : [ "+1-847-690-1900" ],
    "source" : "https://rdap.arin.net/registry/entity/UMFUR1-ARIN"
  }, {
    "handle" : "IMPAS1-ARIN",
    "name" : "Impastato, Mike",
    "email" : [ "mike.impastato@ascentient.com" ],
    "phone" : [ "+1-847-690-1900" ],
    "source" : "https://rdap.arin.net/registry/entity/IMPAS1-ARIN"
  } ],
  "abuse_contacts" : [ {
    "handle" : "NOC3153-ARIN",
    "name" : "Network Operation Center",
    "email" : [ "nico.gazzano@ascentient.com" ],
    "phone" : [ "+1-847-690-1900" ],
    "source" : "https://rdap.arin.net/registry/entity/NOC3153-ARIN"
  }, {
    "handle" : "GAZZA1-ARIN",
    "name" : "Gazzano, Nico",
    "email" : [ "nico.gazzano@mischoice.com" ],
    "phone" : [ "+1-847-364-0554" ],
    "source" : "https://rdap.arin.net/registry/entity/GAZZA1-ARIN"
  }, {
    "handle" : "IMPAS1-ARIN",
    "name" : "Impastato, Mike",
    "email" : [ "mike.impastato@ascentient.com" ],
    "phone" : [ "+1-847-690-1900" ],
    "source" : "https://rdap.arin.net/registry/entity/IMPAS1-ARIN"
  }, {
    "handle" : "UMFUR1-ARIN",
    "name" : "Umfurer, Evelyn",
    "email" : [ "evelyn.umfurer@ascentient.com" ],
    "phone" : [ "+1-847-690-1900" ],
    "source" : "https://rdap.arin.net/registry/entity/UMFUR1-ARIN"
  } ]
}

Peers

AS Number	Description	Country
AS23352	DEFT.COM	US

Upstreams

AS Number	Description	Country
AS23352	DEFT.COM	US