AS Name Org Name IPv4Prefixes IPv6Prefixes IPv4 NUMs IPv6 NUMs(/64) Registry Region Looking Glass
WORLDNET1 AT&T Services, Inc. 37 0 9,984 0 United States
9,984 IPv4 Addresses
CIDR Description IP Num
12.55.32.0/24 AT&T Worldnet Services (C01822540) 256
12.55.33.0/24 AT&T Worldnet Services (C01822540) 256
12.55.34.0/24 AT&T Worldnet Services (C01822540) 256
12.55.35.0/24 AT&T Worldnet Services (C01822540) 256
12.55.36.0/24 AT&T Worldnet Services (C01822540) 256
12.55.37.0/24 AT&T Worldnet Services (C01822540) 256
12.55.38.0/24 AT&T Worldnet Services (C01822540) 256
12.55.39.0/24 AT&T Worldnet Services (C01822540) 256
12.55.40.0/24 AT&T Worldnet Services (C01822540) 256
12.55.41.0/24 AT&T Worldnet Services (C01822540) 256
12.55.42.0/24 AT&T Worldnet Services (C01822540) 256
12.55.43.0/24 AT&T Worldnet Services (C01822540) 256
12.55.44.0/24 AT&T Worldnet Services (C01822540) 256
12.55.45.0/24 AT&T Worldnet Services (C01822540) 256
12.55.46.0/24 AT&T Worldnet Services (C01822540) 256
12.55.47.0/24 AT&T Worldnet Services (C01822540) 256
12.55.80.0/24 AT&T Worldnet Services (C01822540) 256
12.78.110.0/23 AT&T Worldnet Services (C00686976) 512
12.78.112.0/24 AT&T Worldnet Services (C00686976) 256
12.78.113.0/24 AT&T Worldnet Services (C00686976) 256
12.78.114.0/24 AT&T Worldnet Services (C00686976) 256
12.78.115.0/24 AT&T Worldnet Services (C00686976) 256
12.78.116.0/24 AT&T Worldnet Services (C00686976) 256
12.78.117.0/24 AT&T Worldnet Services (C00686976) 256
12.78.118.0/24 AT&T Worldnet Services (C00686976) 256
12.78.119.0/24 AT&T Worldnet Services (C00686976) 256
12.78.120.0/24 AT&T Worldnet Services (C00686976) 256
12.78.121.0/24 AT&T Worldnet Services (C00686976) 256
12.78.122.0/24 AT&T Worldnet Services (C00686976) 256
12.78.123.0/24 AT&T Worldnet Services (C00686976) 256
12.78.124.0/24 AT&T Worldnet Services (C00686976) 256
12.78.125.0/24 AT&T Worldnet Services (C00686976) 256
12.78.126.0/24 AT&T Worldnet Services (C00686976) 256
12.78.127.0/24 AT&T Worldnet Services (C00686976) 256
199.37.170.0/24 DIAL Pool ATTCT-DPMGAP18 (C02347345) 256
199.37.171.0/24 DIAL Pool ATTCT-DPMGAP18 (C02347345) 256
199.37.180.0/23 DIAL Pool ATTCT-DPMGAP19 (C02347347) 512
AS Description Country/Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS7018 ATT-INTERNET4 - AT&T Services, Inc., US United States 84,007,680 2,324,131,545,088 IPv4 IPv4
ASNumber:       5728
ASName:         WORLDNET1
ASHandle:       AS5728
RegDate:        1995-09-12
Updated:        2012-04-02    
Ref:            https://rdap.arin.net/registry/autnum/5728



OrgName:        AT&T Services, Inc.
OrgId:          ATTW-Z
Address:        200 S. Laurel AVE.
City:           MIDDLETOWN
StateProv:      NJ
PostalCode:     07748
Country:        US
RegDate:        2009-12-18
Updated:        2019-07-14
Comment:        Contact AT&T Abuse ( [email protected] ) for policy abuse issues.
Comment:        All policy abuse issues sent to other POCs will be disregarded.
Ref:            https://rdap.arin.net/registry/entity/ATTW-Z


OrgTechHandle: IPSWI-ARIN
OrgTechName:   IP SWIP
OrgTechPhone:  +1-888-613-6330 
OrgTechEmail:  [email protected]
OrgTechRef:    https://rdap.arin.net/registry/entity/IPSWI-ARIN

OrgTechHandle: HKO3-ARIN
OrgTechName:   KOSAL, HALUK 
OrgTechPhone:  +1-732-420-4259 
OrgTechEmail:  [email protected]
OrgTechRef:    https://rdap.arin.net/registry/entity/HKO3-ARIN

OrgRoutingHandle: JB3310-ARIN
OrgRoutingName:   Borkenhagen, Jay C.
OrgRoutingPhone:  +1-732-420-2526 
OrgRoutingEmail:  [email protected]
OrgRoutingRef:    https://rdap.arin.net/registry/entity/JB3310-ARIN

OrgTechHandle: ICC-ARIN
OrgTechName:   IP Team
OrgTechPhone:  +1-888-613-6330 
OrgTechEmail:  [email protected]
OrgTechRef:    https://rdap.arin.net/registry/entity/ICC-ARIN

OrgAbuseHandle: ATTAB-ARIN
OrgAbuseName:   ATT Abuse
OrgAbusePhone:  +1-919-319-8130 
OrgAbuseEmail:  [email protected]
OrgAbuseRef:    https://rdap.arin.net/registry/entity/ATTAB-ARIN

RTechHandle: BA128-ARIN
RTechName:   Addino, Bruno 
RTechPhone:  +1-201-331-4773 
RTechEmail:  [email protected]
RTechRef:    https://rdap.arin.net/registry/entity/BA128-ARIN