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AS397364 Doctors without Borders USA, Inc.

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

Doctors without Borders USA, Inc. newyork.msf.org

US 1 Routes

AS Data

AS397364

AS397364 – Doctors without Borders USA, Inc.

AS Number	397364
AS Name	MSF-USA-01
Organization	Doctors without Borders USA, Inc. (msfu)
Country	US
Website	newyork.msf.org
Number of IPv4 Routes	1
Number of IPv6 Routes	0
ASN type	BUSINESS
Registry	ARIN
Date Allocated	2019-03-06

ASN Intelligence API for production workflows

Use ASN data for AS397364 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
38.66.129.0/24	AS397364	Doctors without Borders USA, Inc.	Doctors without Borders	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:       397364
ASName:         MSF-USA-01
ASHandle:       AS397364
RegDate:        2019-03-06
Updated:        2019-03-06
Ref:            https://rdap.arin.net/registry/autnum/397364


OrgName:        Doctors without Borders USA, Inc.
OrgId:          MSFU
Address:        40 Rector Street
Address:        16th. Floor
City:           New York
StateProv:      NY
PostalCode:     10006
Country:        US
RegDate:        2019-02-28
Updated:        2019-02-28
Ref:            https://rdap.arin.net/registry/entity/MSFU


OrgAbuseHandle: DANAL1-ARIN
OrgAbuseName:   Dana Loprieno
OrgAbusePhone:  +1-212-763-5712 
OrgAbuseEmail:  dana.loprieno@newyork.msf.org
OrgAbuseRef:    https://rdap.arin.net/registry/entity/DANAL1-ARIN

OrgTechHandle: DANAL1-ARIN
OrgTechName:   Dana Loprieno
OrgTechPhone:  +1-212-763-5712 
OrgTechEmail:  dana.loprieno@newyork.msf.org
OrgTechRef:    https://rdap.arin.net/registry/entity/DANAL1-ARIN

OrgNOCHandle: DANAL1-ARIN
OrgNOCName:   Dana Loprieno
OrgNOCPhone:  +1-212-763-5712 
OrgNOCEmail:  dana.loprieno@newyork.msf.org
OrgNOCRef:    https://rdap.arin.net/registry/entity/DANAL1-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" : "397364",
    "as_handle" : "AS397364",
    "as_name" : "MSF-USA-01",
    "tech_contacts" : [ "DANAL1-ARIN" ],
    "abuse_contacts" : [ "DANAL1-ARIN" ],
    "date_created" : "2019-03-06",
    "date_updated" : "2019-03-06",
    "source" : "https://rdap.arin.net/registry/autnum/397364"
  } ],
  "organization" : {
    "handle" : "MSFU",
    "name" : "Doctors without Borders USA, Inc.",
    "address" : [ "40 Rector Street", "16th. Floor", "New York", "NY", "10006", "US" ],
    "street" : "Rector Street",
    "city" : "New York",
    "state" : "NY",
    "zip_code" : "10006",
    "country" : [ "US" ],
    "date_created" : "2019-02-28",
    "date_updated" : "2019-02-28",
    "source" : "https://rdap.arin.net/registry/entity/MSFU",
    "addressCountry" : "US"
  },
  "technical_contacts" : [ {
    "handle" : "DANAL1-ARIN",
    "name" : "Dana Loprieno",
    "email" : [ "dana.loprieno@newyork.msf.org" ],
    "phone" : [ "+1-212-763-5712" ],
    "source" : "https://rdap.arin.net/registry/entity/DANAL1-ARIN"
  } ],
  "abuse_contacts" : [ {
    "handle" : "DANAL1-ARIN",
    "name" : "Dana Loprieno",
    "email" : [ "dana.loprieno@newyork.msf.org" ],
    "phone" : [ "+1-212-763-5712" ],
    "source" : "https://rdap.arin.net/registry/entity/DANAL1-ARIN"
  } ]
}

Peers

AS Number	Description	Country
AS46450	Pilot Fiber, Inc.	US
AS6079	RCN	US

Upstreams

AS Number	Description	Country
AS46450	Pilot Fiber, Inc.	US
AS6079	RCN	US

Frequently Asked Questions

What is ASN AS397364?

ASN AS397364 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS397364?

AS397364 is listed under Doctors without Borders USA, Inc..

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.