AS Number
AS5728
AS Name
WORLDNET1
Org Name
AT&T Enterprises, LLC
Registry

arin

RegDate

2024-11-22

Updated

2025-03-21

AS5728 Looking Glass
IPv4Prefixes

1

IPv6Prefixes

0

IPv4 NUMs

512

IPv6 NUMs(/64)

0

512 IPv4 Addresses
CIDR Description IP Num
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 Enterprises, LLC, US United States 93,836,544 2,737,557,012,480 IPv4 IPv4
ASNumber:       5728
ASName:         WORLDNET1
ASHandle:       AS5728
RegDate:        1995-09-13
Updated:        2025-03-18    
Ref:            https://rdap.arin.net/registry/autnum/5728



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:        2025-03-21
Ref:            https://rdap.arin.net/registry/entity/AEL-360


OrgRoutingHandle: ROUTI59-ARIN
OrgRoutingName:   Routing POC
OrgRoutingPhone:  +1-999-999-9999 
OrgRoutingEmail:  routing@cbbtier3.att.net
OrgRoutingRef:    https://rdap.arin.net/registry/entity/ROUTI59-ARIN

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

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