AS Name Org Name IPv4Prefixes IPv6Prefixes IPv4 NUMs IPv6 NUMs(/64) Registry Region Looking Glass
STEADFAST-INT Steadfast 1 1 512 65,536 United States
512 IPv4 Addresses
CIDR Description IP Num
67.202.100.0/23 Steadfast 512
CIDR Description IP NUMs(prefix /64)
2607:f128::/48 Steadfast 65536
AS Description Country/Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS6939 HURRICANE - Hurricane Electric LLC, US United States 527,360 282,708,169,719,808 IPv4 IPv4
AS32748 STEADFAST, US United States 130,560 4,564,451,328 IPv4 IPv4 IPv6 IPv6
IP Address Domain NUMs Domains
67.202.100.15 8 a.spamfilter.netwisp.com
67.202.100.17 5 b.spamfilter.netwisp.com
67.202.100.18 26 colo-chicago.com
67.202.100.20 1 support.steadfast.net
67.202.100.30 1 manage.steadfast.net
67.202.100.50 1 rb.steadfastdns.net
ASNumber:       46440
ASName:         STEADFAST-INT
ASHandle:       AS46440
RegDate:        2008-09-19
Updated:        2016-08-11    
Ref:            https://rdap.arin.net/registry/autnum/46440


OrgName:        Steadfast
OrgId:          SNL-74
Address:        725 S Wells St
Address:        8th Floor
City:           Chicago
StateProv:      IL
PostalCode:     60607
Country:        US
RegDate:        2016-02-04
Updated:        2017-01-28
Comment:        Please submit all reports of abuse to
Comment:        [email protected] Reports sent to
Comment:        other addresses will not be processed.
Ref:            https://rdap.arin.net/registry/entity/SNL-74

ReferralServer:  rwhois://rwhois.steadfast.net:4321

OrgTechHandle: NOG3-ARIN
OrgTechName:   Steadfast Networks Network Operations Center
OrgTechPhone:  +1-312-602-2689 
OrgTechEmail:  [email protected]
OrgTechRef:    https://rdap.arin.net/registry/entity/NOG3-ARIN

OrgAbuseHandle: ABUSE959-ARIN
OrgAbuseName:   Steadfast Networks Abuse Department
OrgAbusePhone:  +1-312-602-2688 
OrgAbuseEmail:  [email protected]
OrgAbuseRef:    https://rdap.arin.net/registry/entity/ABUSE959-ARIN

OrgNOCHandle: NOG3-ARIN
OrgNOCName:   Steadfast Networks Network Operations Center
OrgNOCPhone:  +1-312-602-2689 
OrgNOCEmail:  [email protected]
OrgNOCRef:    https://rdap.arin.net/registry/entity/NOG3-ARIN