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AS393937 Medical Card System, 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

Medical Card System, Inc. medicalcardsystem.com

PR 1 Routes

AS Data

AS393937

AS393937 – Medical Card System, Inc.

AS Number	393937
AS Name	MCS-PUBLIC-NET
Organization	Medical Card System, Inc.(mcs-305)
Country	PR
Website	medicalcardsystem.com
Number of IPv4 Routes	1
Number of IPv6 Routes	0
ASN type	BUSINESS
Registry	ARIN
Date Allocated	2015-04-30

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
192.107.111.0/24	AS393937	Medical Card System, Inc.	Medical Card System, Inc.	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:       393937
ASName:         MCS-PUBLIC-NET
ASHandle:       AS393937
RegDate:        2015-04-30
Updated:        2015-04-30    
Ref:            https://rdap.arin.net/registry/autnum/393937


OrgName:        Medical Card System, Inc.
OrgId:          MCS-305
Address:        255 Ponce De Leon Ave
City:           San Juan
StateProv:      PR
PostalCode:     00917
Country:        PR
RegDate:        2015-01-16
Updated:        2015-01-16
Ref:            https://rdap.arin.net/registry/entity/MCS-305


OrgNOCHandle: NETAD216-ARIN
OrgNOCName:   Netadmins
OrgNOCPhone:  +1-787-758-2500 
OrgNOCEmail:  itvm@medicalcardsystem.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/NETAD216-ARIN

OrgTechHandle: NETAD216-ARIN
OrgTechName:   Netadmins
OrgTechPhone:  +1-787-758-2500 
OrgTechEmail:  itvm@medicalcardsystem.com
OrgTechRef:    https://rdap.arin.net/registry/entity/NETAD216-ARIN

OrgAbuseHandle: NETAD216-ARIN
OrgAbuseName:   Netadmins
OrgAbusePhone:  +1-787-758-2500 
OrgAbuseEmail:  itvm@medicalcardsystem.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/NETAD216-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

Peers

AS Number	Description	Country
AS14638	Liberty Communications of Puerto Rico LLC	US

Upstreams

AS Number	Description	Country
AS14638	Liberty Communications of Puerto Rico LLC	US

Frequently Asked Questions

What is ASN AS393937?

ASN AS393937 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS393937?

AS393937 is listed under Medical Card System, 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.