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AS54203 Strong Technology, 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

Strong Technology, LLC. strongtechnology.net

US 3 Routes

AS Data

AS54203

AS54203 – Strong Technology, LLC.

AS Number	54203
AS Name	NETPROTECT-SP
Organization	Strong Technology, LLC. (stl-172)
Country	US
Website	strongtechnology.net
Number of IPv4 Routes	2
Number of IPv6 Routes	1
ASN type	BUSINESS
Registry	ARIN
Date Allocated	2011-11-04

ASN Intelligence API for production workflows

Use ASN data for AS54203 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
209.107.212.0/24	AS54203	Strong Technology, LLC.	STL MCI NOC	256
2604:fc80:4400::/40	AS54203	Strong Technology, LLC.	STL MCI NOC	~309×10²⁴
173.255.172.0/24	AS54203	Strong Technology, LLC.	STL MCI NOC	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:       54203
ASName:         NETPROTECT-SP
ASHandle:       AS54203
RegDate:        2011-11-04
Updated:        2022-12-12
Ref:            https://rdap.arin.net/registry/autnum/54203


OrgName:        Strong Technology, LLC.
OrgId:          STL-172
Address:        360 Park Avenue S
Address:        17th Floor
City:           New York
StateProv:      NY
PostalCode:     10010
Country:        US
RegDate:        2016-02-19
Updated:        2025-07-31
Ref:            https://rdap.arin.net/registry/entity/STL-172


OrgTechHandle: IPADM341-ARIN
OrgTechName:   IP Admin
OrgTechPhone:  +1-323-297-1541 
OrgTechEmail:  ipadmin@strongtechnology.net
OrgTechRef:    https://rdap.arin.net/registry/entity/IPADM341-ARIN

OrgAbuseHandle: ABUSE2369-ARIN
OrgAbuseName:   Abuse
OrgAbusePhone:  +1-858-712-8055 
OrgAbuseEmail:  abuse@strongtechnology.net
OrgAbuseRef:    https://rdap.arin.net/registry/entity/ABUSE2369-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" : "54203",
    "as_handle" : "AS54203",
    "as_name" : "NETPROTECT-SP",
    "tech_contacts" : [ "IPADM341-ARIN" ],
    "abuse_contacts" : [ "ABUSE2369-ARIN" ],
    "date_created" : "2011-11-04",
    "date_updated" : "2022-12-12",
    "source" : "https://rdap.arin.net/registry/autnum/54203"
  } ],
  "organization" : {
    "handle" : "STL-172",
    "name" : "Strong Technology, LLC.",
    "address" : [ "360 Park Avenue S", "17th Floor", "New York", "NY", "10010", "US" ],
    "street" : "Park Avenue S",
    "city" : "New York",
    "state" : "NY",
    "zip_code" : "10010",
    "country" : [ "US" ],
    "date_created" : "2016-02-19",
    "date_updated" : "2025-07-31",
    "source" : "https://rdap.arin.net/registry/entity/STL-172",
    "addressCountry" : "US"
  },
  "technical_contacts" : [ {
    "handle" : "IPADM341-ARIN",
    "name" : "IP Admin",
    "email" : [ "ipadmin@strongtechnology.net" ],
    "phone" : [ "+1-323-297-1541" ],
    "source" : "https://rdap.arin.net/registry/entity/IPADM341-ARIN"
  } ],
  "abuse_contacts" : [ {
    "handle" : "ABUSE2369-ARIN",
    "name" : "Abuse",
    "email" : [ "abuse@strongtechnology.net" ],
    "phone" : [ "+1-858-712-8055" ],
    "source" : "https://rdap.arin.net/registry/entity/ABUSE2369-ARIN"
  } ]
}

Peers

AS Number	Description	Country
AS32097	WholeSale Internet, Inc.	US

Upstreams

AS Number	Description	Country
AS32097	WholeSale Internet, Inc.	US

Contacts

Email Contacts

ipadmin@strongtechnology.net

Abuse Contacts

abuse@strongtechnology.net

Frequently Asked Questions

What is ASN AS54203?

ASN AS54203 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS54203?

AS54203 is listed under Strong Technology, 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.