AS4473 - ATTIS-ASN4473 - AT&T Enterprises, LLC, US

United States
AS Number
AS4473
AS Name
ATTIS-ASN4473
Org Name
AT&T Enterprises, LLC
Country
United States
Registry

arin

RegDate

2024-11-22

Updated

2025-10-14

AS4473 Looking Glass
IPv4Prefixes

36

IPv6Prefixes

2

IPv4 NUMs

144,128

IPv6 NUMs(/64)

2,097,152

144,128 IPv4 Addresses
CIDR Description IP Num
12.17.241.0/24 TCORP-FA-PRODUCT TO PRODUCT 256
12.29.116.0/24 TCORP-FA-PRODUCT TO PRODUCT 256
12.29.117.0/24 TCORP-FA-PRODUCT TO PRODUCT 256
12.29.118.0/24 TCORP-FA-PRODUCT TO PRODUCT 256
12.29.119.0/24 TCORP-FA-PRODUCT TO PRODUCT 256
12.71.77.0/24 TCORP-FAX-INTERNAL-AVPN-ATT 256
12.96.45.0/24 TCORP-FA-PRODUCT TO PRODUCT 256
12.96.46.0/24 TCORP-FA-PRODUCT TO PRODUCT 256
12.97.148.0/24 TCORP-FA-PRODUCT TO PRODUCT 256
12.105.210.0/24 TCORP-FAX-INTERNAL-AVPN-ATT 256
12.226.120.0/24 AT&T Services, Inc. 256
12.226.121.0/24 AT&T Services, Inc. 256
12.226.122.0/24 AT&T Services, Inc. 256
12.226.123.0/24 AT&T Services, Inc. 256
151.107.0.0/20 U.S. Department of Veterans Affairs 4096
165.13.0.0/24 U.S. Agency for International Development 256
165.13.0.0/16 U.S. Agency for International Development 65536
192.133.91.0/24 J.M. Huber Corporation 256
198.183.168.0/24 Renasant Bank 256
206.118.0.0/24 U.S. Agency for International Development 256
206.118.0.0/16 U.S. Agency for International Development 65536
206.197.1.0/24 Mueller Industries, Inc. 256
207.140.216.0/23 AT&T Services, Inc. 512
207.140.220.0/22 AT&T Services, Inc. 1024
209.37.104.0/24 AT&T Services, Inc. 256
209.37.105.0/24 AT&T Enterprises, LLC 256
209.37.106.0/24 AT&T Services, Inc. 256
209.37.107.0/24 AT&T Enterprises, LLC 256
209.37.109.0/24 AT&T Services, Inc. 256
209.37.110.0/24 AT&T Services, Inc. 256
209.65.8.0/24 TCORP-FA-PRODUCT TO PRODUCT 256
209.65.9.0/24 TCORP-FA-PRODUCT TO PRODUCT 256
209.65.160.0/24 ATT CORP-INTRA-LEGACY T LEGAL 256
209.65.161.0/24 ATT CORP-INTRA-LEGACY T LEGAL 256
209.65.163.0/24 ATT CORP-INTRA-LEGACY T LEGAL 256
209.65.164.0/24 ATT CORP-INTRA-LEGACY T LEGAL 256
CIDR Description IP NUMs(prefix /64)
2607:9bc0:1020::/44 First Responder Network Authority 1048576
2607:9bc0:1030::/44 First Responder Network Authority 1048576
AS Description Country/Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS7018 ATT-INTERNET4 - AT&T Enterprises, LLC, US United States 93,090,560 2,422,362,275,840 IPv4 IPv4 IPv6 IPv6
AS Description Country/Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS13979 ATT-IPFR - AT&T Enterprises, LLC, US United States 82,688 0 IPv4 IPv4 IPv6 IPv6 
ASNumber:       4473
ASName:         ATTIS-ASN4473
ASHandle:       AS4473
RegDate:        1995-03-08
Updated:        2024-12-05    
Ref:            https://rdap.arin.net/registry/autnum/4473



OrgName:        AT&T Enterprises, LLC
OrgId:          AEL-360
Address:        9380 STATION ST
City:           LONE TREE
StateProv:      CO
PostalCode:     80124
Country:        US
RegDate:        2024-11-22
Updated:        2025-10-14
Ref:            https://rdap.arin.net/registry/entity/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

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

OrgRoutingHandle: ROUTI59-ARIN
OrgRoutingName:   Routing POC
OrgRoutingPhone:  +1-999-999-9999 
OrgRoutingEmail:  DL-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