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AS399271 BIVF Management Services, LLC

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

BIVF Management Services, LLC bostonivf.com

US 1 Routes

AS Data

AS399271

AS399271 – BIVF Management Services, LLC

AS Number	399271
AS Name	WALTHAM-INTERNET
Organization	BIVF Management Services, LLC (bmsl-9)
Country	US
Website	bostonivf.com
Number of IPv4 Routes	1
Number of IPv6 Routes	0
ASN type	BUSINESS
Registry	ARIN
Date Allocated	2021-01-22

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
50.220.195.0/24	AS399271	BIVF Management Services, LLC	Boston IVF	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:       399271
ASName:         WALTHAM-INTERNET
ASHandle:       AS399271
RegDate:        2021-01-22
Updated:        2021-01-22
Ref:            https://rdap.arin.net/registry/autnum/399271


OrgName:        BIVF Management Services, LLC
OrgId:          BMSL-9
Address:        130 Second Ave
City:           Waltham
StateProv:      MA
PostalCode:     02451
Country:        US
RegDate:        2020-10-09
Updated:        2020-10-09
Comment:        https://www.bostonivf.com
Ref:            https://rdap.arin.net/registry/entity/BMSL-9


OrgAbuseHandle: GUPTI1-ARIN
OrgAbuseName:   Guptill, Mark 
OrgAbusePhone:  +1-781-434-6400 
OrgAbuseEmail:  mguptill@bostonivf.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/GUPTI1-ARIN

OrgTechHandle: GUPTI1-ARIN
OrgTechName:   Guptill, Mark 
OrgTechPhone:  +1-781-434-6400 
OrgTechEmail:  mguptill@bostonivf.com
OrgTechRef:    https://rdap.arin.net/registry/entity/GUPTI1-ARIN

OrgDNSHandle: GUPTI1-ARIN
OrgDNSName:   Guptill, Mark 
OrgDNSPhone:  +1-781-434-6400 
OrgDNSEmail:  mguptill@bostonivf.com
OrgDNSRef:    https://rdap.arin.net/registry/entity/GUPTI1-ARIN

OrgNOCHandle: GUPTI1-ARIN
OrgNOCName:   Guptill, Mark 
OrgNOCPhone:  +1-781-434-6400 
OrgNOCEmail:  mguptill@bostonivf.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/GUPTI1-ARIN

OrgRoutingHandle: GUPTI1-ARIN
OrgRoutingName:   Guptill, Mark 
OrgRoutingPhone:  +1-781-434-6400 
OrgRoutingEmail:  mguptill@bostonivf.com
OrgRoutingRef:    https://rdap.arin.net/registry/entity/GUPTI1-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" : "399271",
    "as_handle" : "AS399271",
    "as_name" : "WALTHAM-INTERNET",
    "admin_contacts" : [ "GUPTI1-ARIN" ],
    "tech_contacts" : [ "GUPTI1-ARIN", "GUPTI1-ARIN" ],
    "abuse_contacts" : [ "GUPTI1-ARIN" ],
    "date_created" : "2021-01-22",
    "date_updated" : "2021-01-22",
    "source" : "https://rdap.arin.net/registry/autnum/399271"
  } ],
  "organization" : {
    "handle" : "BMSL-9",
    "name" : "BIVF Management Services, LLC",
    "address" : [ "130 Second Ave", "Waltham", "MA", "02451", "US" ],
    "street" : "Second Ave",
    "city" : "Waltham",
    "state" : "MA",
    "zip_code" : "02451",
    "country" : [ "US" ],
    "date_created" : "2020-10-09",
    "date_updated" : "2020-10-09",
    "source" : "https://rdap.arin.net/registry/entity/BMSL-9",
    "addressCountry" : "US"
  },
  "administrative_contacts" : [ {
    "handle" : "GUPTI1-ARIN",
    "name" : "Guptill, Mark",
    "email" : [ "mguptill@bostonivf.com" ],
    "phone" : [ "+1-781-434-6400" ],
    "source" : "https://rdap.arin.net/registry/entity/GUPTI1-ARIN"
  } ],
  "technical_contacts" : [ {
    "handle" : "GUPTI1-ARIN",
    "name" : "Guptill, Mark",
    "email" : [ "mguptill@bostonivf.com" ],
    "phone" : [ "+1-781-434-6400" ],
    "source" : "https://rdap.arin.net/registry/entity/GUPTI1-ARIN"
  } ],
  "abuse_contacts" : [ {
    "handle" : "GUPTI1-ARIN",
    "name" : "Guptill, Mark",
    "email" : [ "mguptill@bostonivf.com" ],
    "phone" : [ "+1-781-434-6400" ],
    "source" : "https://rdap.arin.net/registry/entity/GUPTI1-ARIN"
  } ]
}

Peers

AS Number	Description	Country
AS7015	Comcast Cable Communications, LLC	US
AS6079	RCN	US

Upstreams

AS Number	Description	Country
AS7015	Comcast Cable Communications, LLC	US
AS6079	RCN	US

Frequently Asked Questions

What is ASN AS399271?

ASN AS399271 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS399271?

AS399271 is listed under BIVF Management Services, LLC.

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.