AS21581 M5 Computer Security | IPGeolocation.io

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AS21581 – M5 Computer Security

AS Number	21581
AS Name	M5HOSTING
Organization	M5 Computer Security(mcs-227)
Country	US
Website	m5hosting.com
Number of IPv4 Routes	21
Number of IPv6 Routes	4
ASN type	HOSTING
Registry	ARIN
Date Allocated	2012-03-02T00:00

IP Ranges

Route	Origin	Origin Name	ISP	# IPs
108.161.145.0/24	AS21581	M5 Computer Security	M5 Computer Security	256
206.251.244.0/24	AS21581	M5 Computer Security	M5 Computer Security	256
2606:7100:3100::/44	AS21581	M5 Computer Security	M5 Computer Security	~19×10²⁴
207.158.30.0/24	AS21581	M5 Computer Security	M5 Computer Security	256
64.156.192.0/24	AS21581	M5 Computer Security	Level 3 Parent, LLC	256
206.71.179.0/24	AS21581	M5 Computer Security	M5 Computer Security	256
108.161.146.0/24	AS21581	M5 Computer Security	M5 Computer Security	256
207.158.52.0/24	AS21581	M5 Computer Security	M5 Computer Security	256
64.156.194.0/23	AS21581	M5 Computer Security	Level 3 Parent, LLC	512
buy plan	AS21581	M5 Computer Security	M5 Computer Security	256
buy plan	AS21581	M5 Computer Security	M5 Computer Security	256
buy plan	AS21581	M5 Computer Security	Level 3 Parent, LLC	256
buy plan	AS21581	M5 Computer Security	M5 Computer Security	4096
buy plan	AS21581	M5 Computer Security	M5 Computer Security	256

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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:       21581
ASName:         M5HOSTING
ASHandle:       AS21581
RegDate:        2008-05-28
Updated:        2012-03-02    
Ref:            https://rdap.arin.net/registry/autnum/21581


OrgName:        M5 Computer Security
OrgId:          MCS-227
Address:        10601 Tierrasanta Blvd #G-135
City:           San Diego
StateProv:      CA
PostalCode:     92124
Country:        US
RegDate:        2005-11-09
Updated:        2025-01-23
Ref:            https://rdap.arin.net/registry/entity/MCS-227


OrgTechHandle: KILLI120-ARIN
OrgTechName:   Killian, John 
OrgTechPhone:  +1-877-344-4678 
OrgTechEmail:  jkillian@m5hosting.com
OrgTechRef:    https://rdap.arin.net/registry/entity/KILLI120-ARIN

OrgAbuseHandle: ABUSE1898-ARIN
OrgAbuseName:   Abuse
OrgAbusePhone:  +1-877-344-4678 
OrgAbuseEmail:  abuse@m5hosting.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/ABUSE1898-ARIN

RTechHandle: MMC112-ARIN
RTechName:   McCafferty, Michael 
RTechPhone:  +1-619-985-2547 
RTechEmail:  mike@m5hosting.com
RTechRef:    https://rdap.arin.net/registry/entity/MMC112-ARIN

RAbuseHandle: ABUSE1898-ARIN
RAbuseName:   Abuse
RAbusePhone:  +1-877-344-4678 
RAbuseEmail:  abuse@m5hosting.com
RAbuseRef:    https://rdap.arin.net/registry/entity/ABUSE1898-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.
#