AS21581 M5 Computer Security 🇺🇸 US

Announcing 23 prefixes, seen at the RIS collectors.

IPv4 prefixes

5,120 (20 × /24)

IPv6 prefixes

1 × /32

Upstreams

transit providers observed

Peers

settlement-free adjacencies

Downstreams

transit customers observed

Customer cone

ASes reachable through it

Registry and operator data

AS number: AS21581
Name: M5 Computer Security
Organisation: M5 Computer Security / M5Hosting
Country: 🇺🇸 US
RIR: ARIN
Allocated: 2008-05-28
Network type: Content
Scope: Regional
Peering policy: Open
Website: http://www.m5hosting.com
PeeringDB: net/2875
Facilities: 4

RPKI coverage of this AS

Its own announcements, validated against the current ROA set

22 valid (95.7%) 0 invalid (0.0%) 1 no ROA (4.3%)

Whois

Fetched from whois.arin.net

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

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

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