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AS394003 University of Massachusetts Dartmouth

Q: Why is WHOIS data shown for an ASN?

WHOIS data provides registration and contact context for ASN ownership, administration, and operational reference.

ASN Lookup Tool

University of Massachusetts Dartmouth umassd.edu

US 1 Routes

AS Data

AS394003

AS394003 – University of Massachusetts Dartmouth

AS Number	394003
AS Name	UMASSD
Organization	University of Massachusetts Dartmouth (umd)
Country	US
Website	umassd.edu
Number of IPv4 Routes	1
Number of IPv6 Routes	0
ASN type	EDUCATION
Registry	ARIN
Date Allocated	2016-10-20

ASN Intelligence API for production workflows

Use ASN data for AS394003 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
134.88.0.0/16	AS394003	University of Massachusetts Dartmouth	University of Massachusetts Dartmouth	65536

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:       394003
ASName:         UMASSD
ASHandle:       AS394003
RegDate:        2016-10-20
Updated:        2016-10-25
Comment:        Standard hours 
Comment:        8:00AM to 5:00PM EST
Ref:            https://rdap.arin.net/registry/autnum/394003


OrgName:        University of Massachusetts Dartmouth
OrgId:          UMD
Address:        University of Massachusetts, Dartmouth
Address:        CITS Department
Address:        285 Old Westport Road
City:           Dartmouth
StateProv:      MA
PostalCode:     02747
Country:        US
RegDate:        1989-05-22
Updated:        2016-10-27
Ref:            https://rdap.arin.net/registry/entity/UMD


OrgTechHandle: PACHE37-ARIN
OrgTechName:   Pacheco, Richard 
OrgTechPhone:  +1-508-910-6988 
OrgTechEmail:  rpacheco@umassd.edu
OrgTechRef:    https://rdap.arin.net/registry/entity/PACHE37-ARIN

OrgAbuseHandle: PACHE37-ARIN
OrgAbuseName:   Pacheco, Richard 
OrgAbusePhone:  +1-508-910-6988 
OrgAbuseEmail:  rpacheco@umassd.edu
OrgAbuseRef:    https://rdap.arin.net/registry/entity/PACHE37-ARIN

RNOCHandle: PACHE37-ARIN
RNOCName:   Pacheco, Richard 
RNOCPhone:  +1-508-910-6988 
RNOCEmail:  rpacheco@umassd.edu
RNOCRef:    https://rdap.arin.net/registry/entity/PACHE37-ARIN

RTechHandle: PACHE37-ARIN
RTechName:   Pacheco, Richard 
RTechPhone:  +1-508-910-6988 
RTechEmail:  rpacheco@umassd.edu
RTechRef:    https://rdap.arin.net/registry/entity/PACHE37-ARIN

RAbuseHandle: PACHE37-ARIN
RAbuseName:   Pacheco, Richard 
RAbusePhone:  +1-508-910-6988 
RAbuseEmail:  rpacheco@umassd.edu
RAbuseRef:    https://rdap.arin.net/registry/entity/PACHE37-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" : "394003",
    "as_handle" : "AS394003",
    "as_name" : "UMASSD",
    "tech_contacts" : [ "PACHE37-ARIN", "PACHE37-ARIN" ],
    "abuse_contacts" : [ "PACHE37-ARIN", "PACHE37-ARIN" ],
    "date_created" : "2016-10-20",
    "date_updated" : "2016-10-25",
    "source" : "https://rdap.arin.net/registry/autnum/394003"
  } ],
  "organization" : {
    "handle" : "UMD",
    "name" : "University of Massachusetts Dartmouth",
    "address" : [ "University of Massachusetts, Dartmouth", "CITS Department", "285 Old Westport Road", "Dartmouth", "MA", "02747", "US" ],
    "street" : "Old Westport Road",
    "city" : "Dartmouth",
    "state" : "MA",
    "zip_code" : "02747",
    "country" : [ "US" ],
    "date_created" : "1989-05-22",
    "date_updated" : "2016-10-27",
    "source" : "https://rdap.arin.net/registry/entity/UMD",
    "addressCountry" : "US"
  },
  "technical_contacts" : [ {
    "handle" : "PACHE37-ARIN",
    "name" : "Pacheco, Richard",
    "email" : [ "rpacheco@umassd.edu" ],
    "phone" : [ "+1-508-910-6988" ],
    "source" : "https://rdap.arin.net/registry/entity/PACHE37-ARIN"
  } ],
  "abuse_contacts" : [ {
    "handle" : "PACHE37-ARIN",
    "name" : "Pacheco, Richard",
    "email" : [ "rpacheco@umassd.edu" ],
    "phone" : [ "+1-508-910-6988" ],
    "source" : "https://rdap.arin.net/registry/entity/PACHE37-ARIN"
  } ]
}

Peers

AS Number	Description	Country
AS1968	UMASSNET	US

Upstreams

AS Number	Description	Country
AS1968	UMASSNET	US

Frequently Asked Questions

What is ASN AS394003?

ASN AS394003 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS394003?

AS394003 is listed under University of Massachusetts Dartmouth.

What do peers, upstreams, and downstreams mean?

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 included here?

WHOIS provides registration and contact context for ASN ownership, administration, and operational reference.

How can I access full ASN table data?

This page previews large ASN datasets. Use See more to load additional rows, and upgrade your plan to view complete peer, route, upstream, and downstream data.