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	19
Number of IPv6 Routes	4
ASN type	HOSTING
Registry	ARIN
Date Allocated	2008-05-28

IP Ranges

Route	Origin	Origin Name	ISP	# IPs
206.71.169.0/24	AS21581	M5 Computer Security	M5 Computer Security	256
2606:7100:1cab::/48	AS21581	M5 Computer Security	M5 Computer Security	~1×10²⁴
209.216.230.0/24	AS21581	M5 Computer Security	M5 Computer Security	256
2606:7100:3200::/44	AS21581	M5 Computer Security	M5 Computer Security	~19×10²⁴
108.161.145.0/24	AS21581	M5 Computer Security	M5 Computer Security	256
108.161.148.0/24	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
buy plan	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	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:  +1-877-344-4678 
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.
#