What is ASN AS401939?

ASN AS401939 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS401939?

AS401939 is listed under NexBank.

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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AS401939 NexBank | IPGeolocation.io

ASN Lookup Tool

NexBank nexbank.com

US 1 Routes

AS Data

AS401939

AS401939 – NexBank

AS Number	401939
AS Name	NEXBANK-PUBLIC
Organization	NexBank (nc-1203)
Country	US
Website	nexbank.com
Number of IPv4 Routes	1
Number of IPv6 Routes	0
ASN type	BUSINESS
Registry	ARIN
Date Allocated	2025-08-15

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
208.94.209.0/24	AS401939	NexBank	NexBank	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:       401939
ASName:         NEXBANK-PUBLIC
ASHandle:       AS401939
RegDate:        2025-08-15
Updated:        2025-08-15
Comment:        https://nexbank.com
Comment:        NOC hours are 7:00 AM to 7 PM CST
Ref:            https://rdap.arin.net/registry/autnum/401939


OrgName:        NexBank
OrgId:          NC-1203
Address:        2515 McKinney Ave.
Address:        Suite 1100
City:           Dallas
StateProv:      TX
PostalCode:     75201
Country:        US
RegDate:        2025-07-15
Updated:        2025-08-15
Comment:        https://nexbank.com
Ref:            https://rdap.arin.net/registry/entity/NC-1203


OrgDNSHandle: NID9-ARIN
OrgDNSName:   NexBank IT Dept
OrgDNSPhone:  +1-972-934-4770 
OrgDNSEmail:  it_dept@nexbank.com
OrgDNSRef:    https://rdap.arin.net/registry/entity/NID9-ARIN

OrgTechHandle: HAMIL542-ARIN
OrgTechName:   Hamilton, Aaron 
OrgTechPhone:  +1-469-362-8867 
OrgTechEmail:  aaron.hamilton@nexbank.com
OrgTechRef:    https://rdap.arin.net/registry/entity/HAMIL542-ARIN

OrgTechHandle: JOHNS4418-ARIN
OrgTechName:   Johnson, Michelle 
OrgTechPhone:  +1-972-934-4700 
OrgTechEmail:  michelle.johnson@nexbank.com
OrgTechRef:    https://rdap.arin.net/registry/entity/JOHNS4418-ARIN

OrgRoutingHandle: NID9-ARIN
OrgRoutingName:   NexBank IT Dept
OrgRoutingPhone:  +1-972-934-4770 
OrgRoutingEmail:  it_dept@nexbank.com
OrgRoutingRef:    https://rdap.arin.net/registry/entity/NID9-ARIN

OrgNOCHandle: NID9-ARIN
OrgNOCName:   NexBank IT Dept
OrgNOCPhone:  +1-972-934-4770 
OrgNOCEmail:  it_dept@nexbank.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/NID9-ARIN

OrgAbuseHandle: NID9-ARIN
OrgAbuseName:   NexBank IT Dept
OrgAbusePhone:  +1-972-934-4770 
OrgAbuseEmail:  it_dept@nexbank.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/NID9-ARIN

OrgTechHandle: PATHI9-ARIN
OrgTechName:   Pathisseril, John 
OrgTechPhone:  +1-972-934-4739 
OrgTechEmail:  John.Pathisseril@nexbank.com
OrgTechRef:    https://rdap.arin.net/registry/entity/PATHI9-ARIN

OrgTechHandle: NID9-ARIN
OrgTechName:   NexBank IT Dept
OrgTechPhone:  +1-972-934-4770 
OrgTechEmail:  it_dept@nexbank.com
OrgTechRef:    https://rdap.arin.net/registry/entity/NID9-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" : "401939",
    "as_handle" : "AS401939",
    "as_name" : "NEXBANK-PUBLIC",
    "admin_contacts" : [ "NID9-ARIN" ],
    "tech_contacts" : [ "HAMIL542-ARIN", "JOHNS4418-ARIN", "NID9-ARIN", "PATHI9-ARIN", "NID9-ARIN" ],
    "abuse_contacts" : [ "NID9-ARIN" ],
    "date_created" : "2025-08-15",
    "date_updated" : "2025-08-15",
    "source" : "https://rdap.arin.net/registry/autnum/401939"
  } ],
  "organization" : {
    "handle" : "NC-1203",
    "name" : "NexBank",
    "address" : [ "2515 McKinney Ave.", "Suite 1100", "Dallas", "TX", "75201", "US" ],
    "street" : "Mckinney Ave.",
    "city" : "Dallas",
    "state" : "TX",
    "zip_code" : "75201",
    "country" : [ "US" ],
    "date_created" : "2025-07-15",
    "date_updated" : "2025-08-15",
    "source" : "https://rdap.arin.net/registry/entity/NC-1203",
    "addressCountry" : "US"
  },
  "administrative_contacts" : [ {
    "handle" : "NID9-ARIN",
    "name" : "NexBank IT Dept",
    "email" : [ "it_dept@nexbank.com" ],
    "phone" : [ "+1-972-934-4770" ],
    "source" : "https://rdap.arin.net/registry/entity/NID9-ARIN"
  } ],
  "technical_contacts" : [ {
    "handle" : "HAMIL542-ARIN",
    "name" : "Hamilton, Aaron",
    "email" : [ "aaron.hamilton@nexbank.com" ],
    "phone" : [ "+1-469-362-8867" ],
    "source" : "https://rdap.arin.net/registry/entity/HAMIL542-ARIN"
  }, {
    "handle" : "JOHNS4418-ARIN",
    "name" : "Johnson, Michelle",
    "email" : [ "michelle.johnson@nexbank.com" ],
    "phone" : [ "+1-972-934-4700" ],
    "source" : "https://rdap.arin.net/registry/entity/JOHNS4418-ARIN"
  }, {
    "handle" : "NID9-ARIN",
    "name" : "NexBank IT Dept",
    "email" : [ "it_dept@nexbank.com" ],
    "phone" : [ "+1-972-934-4770" ],
    "source" : "https://rdap.arin.net/registry/entity/NID9-ARIN"
  }, {
    "handle" : "PATHI9-ARIN",
    "name" : "Pathisseril, John",
    "email" : [ "John.Pathisseril@nexbank.com" ],
    "phone" : [ "+1-972-934-4739" ],
    "source" : "https://rdap.arin.net/registry/entity/PATHI9-ARIN"
  } ],
  "abuse_contacts" : [ {
    "handle" : "NID9-ARIN",
    "name" : "NexBank IT Dept",
    "email" : [ "it_dept@nexbank.com" ],
    "phone" : [ "+1-972-934-4770" ],
    "source" : "https://rdap.arin.net/registry/entity/NID9-ARIN"
  } ]
}

Peers

AS Number	Description	Country
AS271253	LINK BRASIL TELECOMUNICACOES LTDA	BR
AS3356	Level 3 Parent, LLC	US

Upstreams

AS Number	Description	Country
AS3356	Level 3 Parent, LLC	US