12.199.72.0/24

AS14524 - SERCO-NA - SERCO NA, US
United States
SERCO-IN10-72 - AT&T Enterprises, LLC

Summary

NetName
SERCO-IN10-72
OrgName
AT&T Enterprises, LLC
CIDR

12.199.72.0/24

RIR

ARIN

Country / Region

Status

Reassigned

Abuse

[email protected]

Contact

[email protected]

[email protected]

RegDate

2025-10-24

Updated

2025-10-24

Routing

AS Desc Country / Region IPv4 NUMs IPv6 NUMs
AS3356 LEVEL3 - Level 3 Parent, LLC, US United States 28864512 81626398720
AS7018 ATT-INTERNET4 - AT&T Enterprises, LLC, US United States 96430080 2310693060608

Whois

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

OrgName:        AT&T Enterprises, LLC
OrgId:          AEL-360
Address:        208 S. Akard St.
City:           Dallas
StateProv:      TX
PostalCode:     75202
Country:        US
RegDate:        2024-11-22
Updated:        2025-10-29
Ref:            https://rdap.arin.net/registry/entity/AEL-360

OrgTechHandle: ZS44-ARIN
OrgTechName:   IPAdmin-ATT Internet Services
OrgTechPhone:  +1-888-510-5545
OrgTechEmail:  [email protected]
OrgTechRef:    https://rdap.arin.net/registry/entity/ZS44-ARIN

OrgAbuseHandle: ABUSE7-ARIN
OrgAbuseName:   abuse
OrgAbusePhone:  +1-919-319-8167
OrgAbuseEmail:  [email protected]
OrgAbuseRef:    https://rdap.arin.net/registry/entity/ABUSE7-ARIN

OrgRoutingHandle: ROUTI59-ARIN
OrgRoutingName:   Routing POC
OrgRoutingPhone:  +1-999-999-9999
OrgRoutingEmail:  [email protected]
OrgRoutingRef:    https://rdap.arin.net/registry/entity/ROUTI59-ARIN

OrgTechHandle: ICC-ARIN
OrgTechName:   IP Team
OrgTechPhone:  +1-888-876-2382
OrgTechEmail:  [email protected]
OrgTechRef:    https://rdap.arin.net/registry/entity/ICC-ARIN


NetRange:       12.199.72.0 - 12.199.72.255
CIDR:           12.199.72.0/24
NetName:        SERCO-IN10-72
NetHandle:      NET-12-199-72-0-1
Parent:         ATT (NET-12-0-0-0-1)
NetType:        Reassigned
OriginAS:
Customer:       SERCO INC. (C11399740)
RegDate:        2025-10-24
Updated:        2025-10-24
Ref:            https://rdap.arin.net/registry/ip/12.199.72.0

CustName:       SERCO INC.
Address:        1055 N NEWPORT RD
City:           COLORADO SPRINGS
StateProv:      CO
PostalCode:     80916
Country:        US
RegDate:        2025-10-24
Updated:        2025-10-24
Ref:            https://rdap.arin.net/registry/entity/C11399740

OrgTechHandle: ZS44-ARIN
OrgTechName:   IPAdmin-ATT Internet Services
OrgTechPhone:  +1-888-510-5545
OrgTechEmail:  [email protected]
OrgTechRef:    https://rdap.arin.net/registry/entity/ZS44-ARIN

OrgAbuseHandle: ABUSE7-ARIN
OrgAbuseName:   abuse
OrgAbusePhone:  +1-919-319-8167
OrgAbuseEmail:  [email protected]
OrgAbuseRef:    https://rdap.arin.net/registry/entity/ABUSE7-ARIN

OrgRoutingHandle: ROUTI59-ARIN
OrgRoutingName:   Routing POC
OrgRoutingPhone:  +1-999-999-9999
OrgRoutingEmail:  [email protected]
OrgRoutingRef:    https://rdap.arin.net/registry/entity/ROUTI59-ARIN

OrgTechHandle: ICC-ARIN
OrgTechName:   IP Team
OrgTechPhone:  +1-888-876-2382
OrgTechEmail:  [email protected]
OrgTechRef:    https://rdap.arin.net/registry/entity/ICC-ARIN

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