ASN AS39945 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS39945?

AS39945 is listed under Nuspire Communications.

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.

AS39945 Nuspire Communications

ASN Lookup Tool

Nuspire Communications nuspire.com

US 4 Routes

AS Data

AS39945

AS39945 – Nuspire Communications

AS Number	39945
AS Name	NUSPIRE
Organization	Nuspire Communications (nuspi-2)
Country	US
Website	nuspire.com
Number of IPv4 Routes	4
Number of IPv6 Routes	0
ASN type	ISP
Registry	ARIN
Date Allocated	2006-05-19

ASN Intelligence API for production workflows

Use ASN data for AS39945 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
208.67.228.0/23	AS39945	Nuspire Communications	Nuspire Communications	512
208.67.231.0/24	AS39945	Nuspire Communications	Nuspire Communications	256
208.67.230.0/24	AS39945	Nuspire Communications	Nuspire Communications	256
45.54.20.0/24	AS39945	Nuspire Communications	Nuspire Communications	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:       39945
ASName:         NUSPIRE
ASHandle:       AS39945
RegDate:        2006-05-19
Updated:        2022-05-31
Ref:            https://rdap.arin.net/registry/autnum/39945


OrgName:        Nuspire Communications
OrgId:          NUSPI-2
Address:        3155 Dallavo Court
City:           Commerce
StateProv:      MI
PostalCode:     48390
Country:        US
RegDate:        2003-11-18
Updated:        2025-06-20
Ref:            https://rdap.arin.net/registry/entity/NUSPI-2


OrgTechHandle: CTB5-ARIN
OrgTechName:   Borg, Carl T
OrgTechPhone:  +1-254-410-7600 
OrgTechEmail:  carl.borg@pditechnologies.com
OrgTechRef:    https://rdap.arin.net/registry/entity/CTB5-ARIN

OrgNOCHandle: TECHN334-ARIN
OrgNOCName:   Technical
OrgNOCPhone:  +1-254-410-7600 
OrgNOCEmail:  admin@nuspire.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/TECHN334-ARIN

OrgRoutingHandle: RENOJ14-ARIN
OrgRoutingName:   Reno, James 
OrgRoutingPhone:  +1-254-410-7600 
OrgRoutingEmail:  james.reno@pditechnologies.com
OrgRoutingRef:    https://rdap.arin.net/registry/entity/RENOJ14-ARIN

OrgAbuseHandle: TECHN334-ARIN
OrgAbuseName:   Technical
OrgAbusePhone:  +1-254-410-7600 
OrgAbuseEmail:  admin@nuspire.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/TECHN334-ARIN

OrgDNSHandle: RENOJ14-ARIN
OrgDNSName:   Reno, James 
OrgDNSPhone:  +1-254-410-7600 
OrgDNSEmail:  james.reno@pditechnologies.com
OrgDNSRef:    https://rdap.arin.net/registry/entity/RENOJ14-ARIN

OrgTechHandle: TECHN334-ARIN
OrgTechName:   Technical
OrgTechPhone:  +1-254-410-7600 
OrgTechEmail:  admin@nuspire.com
OrgTechRef:    https://rdap.arin.net/registry/entity/TECHN334-ARIN

OrgTechHandle: RENOJ14-ARIN
OrgTechName:   Reno, James 
OrgTechPhone:  +1-254-410-7600 
OrgTechEmail:  james.reno@pditechnologies.com
OrgTechRef:    https://rdap.arin.net/registry/entity/RENOJ14-ARIN

RTechHandle: RENOJ14-ARIN
RTechName:   Reno, James 
RTechPhone:  +1-254-410-7600 
RTechEmail:  james.reno@pditechnologies.com
RTechRef:    https://rdap.arin.net/registry/entity/RENOJ14-ARIN

RNOCHandle: TECHN334-ARIN
RNOCName:   Technical
RNOCPhone:  +1-254-410-7600 
RNOCEmail:  admin@nuspire.com
RNOCRef:    https://rdap.arin.net/registry/entity/TECHN334-ARIN

RAbuseHandle: TECHN334-ARIN
RAbuseName:   Technical
RAbusePhone:  +1-254-410-7600 
RAbuseEmail:  admin@nuspire.com
RAbuseRef:    https://rdap.arin.net/registry/entity/TECHN334-ARIN

RTechHandle: TECHN334-ARIN
RTechName:   Technical
RTechPhone:  +1-254-410-7600 
RTechEmail:  admin@nuspire.com
RTechRef:    https://rdap.arin.net/registry/entity/TECHN334-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" : "39945",
    "as_handle" : "AS39945",
    "as_name" : "NUSPIRE",
    "admin_contacts" : [ "RENOJ14-ARIN" ],
    "tech_contacts" : [ "CTB5-ARIN", "RENOJ14-ARIN", "TECHN334-ARIN", "RENOJ14-ARIN", "RENOJ14-ARIN", "TECHN334-ARIN" ],
    "abuse_contacts" : [ "TECHN334-ARIN", "TECHN334-ARIN" ],
    "date_created" : "2006-05-19",
    "date_updated" : "2022-05-31",
    "source" : "https://rdap.arin.net/registry/autnum/39945"
  } ],
  "organization" : {
    "handle" : "NUSPI-2",
    "name" : "Nuspire Communications",
    "address" : [ "3155 Dallavo Court", "Commerce", "MI", "48390", "US" ],
    "street" : "Dallavo Court",
    "city" : "Commerce",
    "state" : "MI",
    "zip_code" : "48390",
    "country" : [ "US" ],
    "date_created" : "2003-11-18",
    "date_updated" : "2025-06-20",
    "source" : "https://rdap.arin.net/registry/entity/NUSPI-2",
    "addressCountry" : "US"
  },
  "administrative_contacts" : [ {
    "handle" : "RENOJ14-ARIN",
    "name" : "Reno, James",
    "email" : [ "james.reno@pditechnologies.com" ],
    "phone" : [ "+1-254-410-7600" ],
    "source" : "https://rdap.arin.net/registry/entity/RENOJ14-ARIN"
  } ],
  "technical_contacts" : [ {
    "handle" : "CTB5-ARIN",
    "name" : "Borg, Carl T",
    "email" : [ "carl.borg@pditechnologies.com" ],
    "phone" : [ "+1-254-410-7600" ],
    "source" : "https://rdap.arin.net/registry/entity/CTB5-ARIN"
  }, {
    "handle" : "RENOJ14-ARIN",
    "name" : "Reno, James",
    "email" : [ "james.reno@pditechnologies.com" ],
    "phone" : [ "+1-254-410-7600" ],
    "source" : "https://rdap.arin.net/registry/entity/RENOJ14-ARIN"
  }, {
    "handle" : "TECHN334-ARIN",
    "name" : "Technical",
    "email" : [ "admin@nuspire.com" ],
    "phone" : [ "+1-254-410-7600" ],
    "source" : "https://rdap.arin.net/registry/entity/TECHN334-ARIN"
  } ],
  "abuse_contacts" : [ {
    "handle" : "TECHN334-ARIN",
    "name" : "Technical",
    "email" : [ "admin@nuspire.com" ],
    "phone" : [ "+1-254-410-7600" ],
    "source" : "https://rdap.arin.net/registry/entity/TECHN334-ARIN"
  } ]
}

Peers

AS Number	Description	Country
AS36236	NetActuate, Inc	US
AS63911	NetActuate, Inc	US

Upstreams

AS Number	Description	Country
AS36236	NetActuate, Inc	US
AS63911	NetActuate, Inc	US