67.92.172.0/24

NetRange:       67.92.172.0 - 67.92.172.255
CIDR:           67.92.172.0/24
NetName:        XOXO-67-92-172-0
NetHandle:      NET-67-92-172-0-1
Parent:         IALG-ALGX-9 (NET-67-88-0-0-1)
NetType:        Reallocated
OriginAS:       
Organization:   XO Communications (XOXO)
RegDate:        2016-08-10
Updated:        2016-08-10
Ref:            https://rdap.arin.net/registry/ip/67.92.172.0

OrgName:        XO Communications
OrgId:          XOXO
Address:        13865 Sunrise Valley Drive
City:           Herdon
StateProv:      VA
PostalCode:     20171
Country:        US
RegDate:        
Updated:        2018-01-08
Ref:            https://rdap.arin.net/registry/entity/XOXO

ReferralServer:  rwhois://rwhois.eng.xo.com:4321

OrgAbuseHandle: XCNV-ARIN
OrgAbuseName:   XO Communications, Network Violations
OrgAbusePhone:  +1-800-421-3872 
OrgAbuseEmail:  abuse@xo.net
OrgAbuseRef:    https://rdap.arin.net/registry/entity/XCNV-ARIN

OrgTechHandle: XCIA-ARIN
OrgTechName:   XO Communications, IP Administrator
OrgTechPhone:  +1-703-547-2000 
OrgTechEmail:  ipadmin@eng.xo.com
OrgTechRef:    https://rdap.arin.net/registry/entity/XCIA-ARIN

Found a referral to rwhois.eng.xo.com:4321.