AS Number
AS21581
AS Name
M5HOSTING
Org Name
M5 Computer Security
Registry

arin

RegDate

2005-11-09

Updated

2025-01-23

AS21581 Looking Glass
IPv4Prefixes

23

IPv6Prefixes

5

IPv4 NUMs

7,936

IPv6 NUMs(/64)

4,294,967,296

7,936 IPv4 Addresses
CIDR Description IP Num
38.96.14.0/24 PSINet, Inc. 256
64.156.192.0/24 Level 3 Parent, LLC 256
64.156.193.0/24 Level 3 Parent, LLC 256
64.156.194.0/23 Level 3 Parent, LLC 512
108.161.144.0/24 M5 Computer Security 256
108.161.144.0/20 M5 Computer Security 4096
108.161.145.0/24 M5 Computer Security 256
108.161.146.0/24 M5 Computer Security 256
108.161.148.0/24 M5 Computer Security 256
108.161.151.0/24 M5 Computer Security 256
108.161.156.0/23 M5 Computer Security 512
108.161.158.0/24 M5 Computer Security 256
108.161.159.0/24 M5 Computer Security 256
206.71.169.0/24 M5 Computer Security 256
206.71.179.0/24 M5 Computer Security 256
206.71.190.0/24 M5 Computer Security 256
206.251.244.0/24 M5 Computer Security 256
206.251.255.0/24 M5 Computer Security 256
207.158.15.0/24 M5 Computer Security 256
207.158.30.0/24 M5 Computer Security 256
207.158.37.0/24 M5 Computer Security 256
207.158.52.0/24 M5 Computer Security 256
209.216.230.0/24 M5 Computer Security 256
CIDR Description IP NUMs(prefix /64)
2606:7100::/32 M5 Computer Security 4294967296
2606:7100:1cab::/48 M5 Computer Security 65536
2606:7100:3000::/44 M5 Computer Security 1048576
2606:7100:3100::/44 M5 Computer Security 1048576
2606:7100:3200::/44 M5 Computer Security 1048576
AS Description Country/Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS174 COGENT-174 - Cogent Communications, US United States 35,901,952 301,965,312,000 IPv4 IPv4 IPv6 IPv6
AS3356 LEVEL3 - Level 3 Parent, LLC, US United States 29,662,464 77,331,365,888 IPv4 IPv4 IPv6 IPv6
AS6130 AIS-WEST - American Internet Services, LLC., US United States 8,704 0 IPv4 IPv4 IPv6 IPv6
AS11320 LIGHTEDGE-AS-02 - LightEdge Solutions, US United States 312,576 42,949,672,960 IPv4 IPv4 IPv6 IPv6
AS13237 LAMBDANET-AS - euNetworks GmbH, DE Germany 570,368 107,374,182,400 IPv4 IPv4 IPv6 IPv6
AS Description Country/Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS395831 MERAKI - Meraki LLC, US United States 13,056 1,048,576 IPv4 IPv4 IPv6 IPv6
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

RAbuseHandle: ABUSE1898-ARIN
RAbuseName:   Abuse
RAbusePhone:  +1-877-344-4678 
RAbuseEmail:  abuse@m5hosting.com
RAbuseRef:    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