67.43.176.0/20

NetRange:       67.43.176.0 - 67.43.191.255
CIDR:           67.43.176.0/20
NetName:        EMPIRICAL-NET
NetHandle:      NET-67-43-176-0-1
Parent:         NET67 (NET-67-0-0-0-0)
NetType:        Direct Allocation
OriginAS:       
Organization:   Empirical Networks, Ltd. (EMPIR-3)
RegDate:        2004-03-19
Updated:        2012-03-02
Ref:            https://rdap.arin.net/registry/ip/67.43.176.0

OrgName:        Empirical Networks, Ltd.
OrgId:          EMPIR-3
Address:        PO Box 181387
City:           Arlington
StateProv:      TX
PostalCode:     76096
Country:        US
RegDate:        2003-03-17
Updated:        2017-01-28
Ref:            https://rdap.arin.net/registry/entity/EMPIR-3

ReferralServer:  rwhois://rs.empiricalnetworks.com:4321

OrgNOCHandle: NOC1271-ARIN
OrgNOCName:   Network Operations Center
OrgNOCPhone:  +1-469-513-1910 
OrgNOCEmail:  noc@empiricalnetworks.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/NOC1271-ARIN

OrgTechHandle: HC206-ARIN
OrgTechName:   Crowder Jr, Harry C
OrgTechPhone:  +1-469-513-1910 
OrgTechEmail:  hcrowder@empiricalnetworks.com
OrgTechRef:    https://rdap.arin.net/registry/entity/HC206-ARIN

OrgAbuseHandle: ABUSE322-ARIN
OrgAbuseName:   Abuse
OrgAbusePhone:  +1-469-513-1910 
OrgAbuseEmail:  abuse@empiricalnetworks.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/ABUSE322-ARIN

RTechHandle: HC206-ARIN
RTechName:   Crowder Jr, Harry C
RTechPhone:  +1-469-513-1910 
RTechEmail:  hcrowder@empiricalnetworks.com
RTechRef:    https://rdap.arin.net/registry/entity/HC206-ARIN

RAbuseHandle: ABUSE322-ARIN
RAbuseName:   Abuse
RAbusePhone:  +1-469-513-1910 
RAbuseEmail:  abuse@empiricalnetworks.com
RAbuseRef:    https://rdap.arin.net/registry/entity/ABUSE322-ARIN

RNOCHandle: NOC1271-ARIN
RNOCName:   Network Operations Center
RNOCPhone:  +1-469-513-1910 
RNOCEmail:  noc@empiricalnetworks.com
RNOCRef:    https://rdap.arin.net/registry/entity/NOC1271-ARIN

Found a referral to rs.empiricalnetworks.com:4321.