NetRange:       12.0.0.0 - 12.255.255.255
CIDR:           12.0.0.0/8
NetName:        ATT
NetHandle:      NET-12-0-0-0-1
Parent:         NET12 (NET-12-0-0-0-0)
NetType:        Direct Allocation
OriginAS:       
Organization:   AT&T Enterprises, LLC (AEL-360)
RegDate:        1983-08-23
Updated:        2025-12-02
Comment:        IP assignments within this IP Block range are STATIC, not dynamic.
Ref:            https://rdap.arin.net/registry/ip/12.0.0.0

AT&T Enterprises, LLC (AEL-360)

OrgAbuseHandle: ABUSE7-ARIN
OrgAbuseName:   abuse
OrgAbusePhone:  +1-919-319-8167 
OrgAbuseEmail:  abuse@att.net
OrgAbuseRef:    https://rdap.arin.net/registry/entity/ABUSE7-ARIN

OrgRoutingHandle: ROUTI59-ARIN
OrgRoutingName:   Routing POC
OrgRoutingPhone:  +1-999-999-9999 
OrgRoutingEmail:  routing_poc@att.com
OrgRoutingRef:    https://rdap.arin.net/registry/entity/ROUTI59-ARIN

OrgTechHandle: ICC-ARIN
OrgTechName:   IP Team
OrgTechPhone:  +1-888-876-2382 
OrgTechEmail:  rm-ipspecialist@att.com
OrgTechRef:    https://rdap.arin.net/registry/entity/ICC-ARIN

OrgTechHandle: ZS44-ARIN
OrgTechName:   IPAdmin-ATT Internet Services
OrgTechPhone:  +1-888-510-5545 
OrgTechEmail:  ipadmin@att.com
OrgTechRef:    https://rdap.arin.net/registry/entity/ZS44-ARIN



NetRange:       12.129.192.0 - 12.129.255.255
CIDR:           12.129.192.0/18
NetName:        ATTENS-LAX1-1
NetHandle:      NET-12-129-192-0-1
Parent:         ATT (NET-12-0-0-0-1)
NetType:        Reallocated
OriginAS:       
Organization:   CERFnet (CERF)
RegDate:        2002-01-30
Updated:        2009-01-20
Ref:            https://rdap.arin.net/registry/ip/12.129.192.0

OrgName:        CERFnet
OrgId:          CERF
Address:        5738 Pacific Center Blvd
City:           San Diego
StateProv:      CA
PostalCode:     92121
Country:        US
RegDate:        1989-04-18
Updated:        2026-06-08
Comment:        Contact AT&T Abuse (abuse@att.net)
for policy abuse issues.
Comment:        All policy abuse issues sent to other POCs will be disregarded.
Ref:            https://rdap.arin.net/registry/entity/CERF

OrgTechHandle: KRAJN2-ARIN
OrgTechName:   Krajnakova, Henrieta 
OrgTechPhone:  +00000000 
OrgTechEmail:  henrieta.krajnakova@intl.att.com
OrgTechRef:    https://rdap.arin.net/registry/entity/KRAJN2-ARIN

OrgTechHandle: NETWO10-ARIN
OrgTechName:   Network Provisioning
OrgTechPhone:  +1-877-789-2877 
OrgTechEmail:  dr6348@att.com
OrgTechRef:    https://rdap.arin.net/registry/entity/NETWO10-ARIN

OrgTechHandle: ZS44-ARIN
OrgTechName:   IPAdmin-ATT Internet Services
OrgTechPhone:  +1-888-510-5545 
OrgTechEmail:  ipadmin@att.com
OrgTechRef:    https://rdap.arin.net/registry/entity/ZS44-ARIN

OrgTechHandle: NAJMI1-ARIN
OrgTechName:   Najmikova, Ivana 
OrgTechPhone:  +421 250210682 
OrgTechEmail:  ivana.najmikova@intl.att.com
OrgTechRef:    https://rdap.arin.net/registry/entity/NAJMI1-ARIN

OrgNOCHandle: NAJMI1-ARIN
OrgNOCName:   Najmikova, Ivana 
OrgNOCPhone:  +421 250210682 
OrgNOCEmail:  ivana.najmikova@intl.att.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/NAJMI1-ARIN

OrgTechHandle: RAK68-ARIN
OrgTechName:   Kogels, Rene Anthony
OrgTechPhone:  +31703376863 
OrgTechEmail:  rene.kogels@intl.att.com
OrgTechRef:    https://rdap.arin.net/registry/entity/RAK68-ARIN

OrgNOCHandle: RAK68-ARIN
OrgNOCName:   Kogels, Rene Anthony
OrgNOCPhone:  +31703376863 
OrgNOCEmail:  rene.kogels@intl.att.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/RAK68-ARIN

OrgNOCHandle: STRAN154-ARIN
OrgNOCName:   Stranska, Jana 
OrgNOCPhone:  +421 233225331 
OrgNOCEmail:  jana.stranska1@intl.att.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/STRAN154-ARIN

OrgTechHandle: STRAN154-ARIN
OrgTechName:   Stranska, Jana 
OrgTechPhone:  +421 233225331 
OrgTechEmail:  jana.stranska1@intl.att.com
OrgTechRef:    https://rdap.arin.net/registry/entity/STRAN154-ARIN

OrgDNSHandle: RAK68-ARIN
OrgDNSName:   Kogels, Rene Anthony
OrgDNSPhone:  +31703376863 
OrgDNSEmail:  rene.kogels@intl.att.com
OrgDNSRef:    https://rdap.arin.net/registry/entity/RAK68-ARIN

OrgRoutingHandle: RAK68-ARIN
OrgRoutingName:   Kogels, Rene Anthony
OrgRoutingPhone:  +31703376863 
OrgRoutingEmail:  rene.kogels@intl.att.com
OrgRoutingRef:    https://rdap.arin.net/registry/entity/RAK68-ARIN

OrgRoutingHandle: ROUTI59-ARIN
OrgRoutingName:   Routing POC
OrgRoutingPhone:  +1-999-999-9999 
OrgRoutingEmail:  routing_poc@att.com
OrgRoutingRef:    https://rdap.arin.net/registry/entity/ROUTI59-ARIN

OrgAbuseHandle: NETWO10-ARIN
OrgAbuseName:   Network Provisioning
OrgAbusePhone:  +1-877-789-2877 
OrgAbuseEmail:  dr6348@att.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/NETWO10-ARIN

OrgTechHandle: PATEL2911-ARIN
OrgTechName:   Patel, Mukesh 
OrgTechPhone:  +441527492111 
OrgTechEmail:  mukesh.patel@intl.att.com
OrgTechRef:    https://rdap.arin.net/registry/entity/PATEL2911-ARIN

RTechHandle: IAA17-ARIN
RTechName:   IP Address Administration
RTechPhone:  +1-732-420-2071 
RTechEmail:  addrmgt@qsun.att.com
RTechRef:    https://rdap.arin.net/registry/entity/IAA17-ARIN

RAbuseHandle: ATTAB-ARIN
RAbuseName:   ATT Abuse
RAbusePhone:  +1-999-999-9999 
RAbuseEmail:  abuse@att.net
RAbuseRef:    https://rdap.arin.net/registry/entity/ATTAB-ARIN

RNOCHandle: IPSWI-ARIN
RNOCName:   IP SWIP
RNOCPhone:  +1-888-613-6330 
RNOCEmail:  swipid@icorefep2.noc.att.com
RNOCRef:    https://rdap.arin.net/registry/entity/IPSWI-ARIN