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AS46519 Lantheus Medical Imaging, 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

Lantheus Medical Imaging, Inc. lantheus.com

US 2 Routes

AS Data

AS46519

AS46519 – Lantheus Medical Imaging, Inc.

AS Number	46519
AS Name	LMI
Organization	Lantheus Medical Imaging, Inc. (lanth)
Country	US
Website	lantheus.com
Number of IPv4 Routes	2
Number of IPv6 Routes	0
ASN type	BUSINESS
Registry	ARIN
Date Allocated	2008-10-08

ASN Intelligence API for production workflows

Use ASN data for AS46519 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
170.76.209.0/24	AS46519	Lantheus Medical Imaging, Inc.	Lantheus Medical Imaging, Inc.	256
50.170.14.0/24	AS46519	Lantheus Medical Imaging, Inc.	Comcast Cable Communications, LLC	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:       46519
ASName:         LMI
ASHandle:       AS46519
RegDate:        2008-10-08
Updated:        2018-02-12
Ref:            https://rdap.arin.net/registry/autnum/46519


OrgName:        Lantheus Medical Imaging, Inc.
OrgId:          LANTH
Address:        331 Treble Cove Rd
City:           Billerica
StateProv:      MA
PostalCode:     01862
Country:        US
RegDate:        2008-08-25
Updated:        2025-03-05
Ref:            https://rdap.arin.net/registry/entity/LANTH


OrgAbuseHandle: NETWO10199-ARIN
OrgAbuseName:   Network Admin
OrgAbusePhone:  +1-800-362-2668 
OrgAbuseEmail:  network_admin@lantheus.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/NETWO10199-ARIN

OrgTechHandle: NETWO10199-ARIN
OrgTechName:   Network Admin
OrgTechPhone:  +1-800-362-2668 
OrgTechEmail:  network_admin@lantheus.com
OrgTechRef:    https://rdap.arin.net/registry/entity/NETWO10199-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" : "46519",
    "as_handle" : "AS46519",
    "as_name" : "LMI",
    "tech_contacts" : [ "NETWO10199-ARIN" ],
    "abuse_contacts" : [ "NETWO10199-ARIN" ],
    "date_created" : "2008-10-08",
    "date_updated" : "2018-02-12",
    "source" : "https://rdap.arin.net/registry/autnum/46519"
  } ],
  "organization" : {
    "handle" : "LANTH",
    "name" : "Lantheus Medical Imaging, Inc.",
    "address" : [ "331 Treble Cove Rd", "Billerica", "MA", "01862", "US" ],
    "street" : "Treble Cove Rd",
    "city" : "Billerica",
    "state" : "MA",
    "zip_code" : "01862",
    "country" : [ "US" ],
    "date_created" : "2008-08-25",
    "date_updated" : "2025-03-05",
    "source" : "https://rdap.arin.net/registry/entity/LANTH",
    "addressCountry" : "US"
  },
  "technical_contacts" : [ {
    "handle" : "NETWO10199-ARIN",
    "name" : "Network Admin",
    "email" : [ "network_admin@lantheus.com" ],
    "phone" : [ "+1-800-362-2668" ],
    "source" : "https://rdap.arin.net/registry/entity/NETWO10199-ARIN"
  } ],
  "abuse_contacts" : [ {
    "handle" : "NETWO10199-ARIN",
    "name" : "Network Admin",
    "email" : [ "network_admin@lantheus.com" ],
    "phone" : [ "+1-800-362-2668" ],
    "source" : "https://rdap.arin.net/registry/entity/NETWO10199-ARIN"
  } ]
}

Peers

AS Number	Description	Country
AS46887	Crown Castle Fiber LLC	US
AS7015	Comcast Cable Communications, LLC	US

Upstreams

AS Number	Description	Country
AS46887	Crown Castle Fiber LLC	US
AS7015	Comcast Cable Communications, LLC	US

Frequently Asked Questions

What is ASN AS46519?

ASN AS46519 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS46519?

AS46519 is listed under Lantheus Medical Imaging, 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.