AS19957 - STATE-OF-TENNESSEE-NETTN - AT&T Enterprises, LLC, US

United States
AS Number
AS19957
AS Name
STATE-OF-TENNESSEE-NETTN
Org Name
AT&T Enterprises, LLC
Country
United States
Registry

arin

RegDate

2024-11-22

Updated

2025-10-14

AS19957 Looking Glass
IPv4Prefixes

42

IPv6Prefixes

12

IPv4 NUMs

409,600

IPv6 NUMs(/64)

327,155,712

409,600 IPv4 Addresses
CIDR Description IP Num
12.204.192.0/20
IRR InValid
STATE OF TENNESSEE-NETTN 4096
12.204.201.0/24
IRR InValid
STATE OF TENNESSEE-NETTN 256
12.204.206.0/24
IRR InValid
STATE OF TENNESSEE-NETTN 256
12.204.208.0/24
IRR InValid
STATE OF TENNESSEE-NETTN 256
12.204.208.0/20
IRR InValid
STATE OF TENNESSEE-NETTN 4096
12.204.209.0/24
IRR InValid
STATE OF TENNESSEE-NETTN 256
12.204.216.0/21
IRR InValid
STATE OF TENNESSEE-NETTN 2048
64.79.176.0/21
IRR InValid
Southwest Tennessee Community College 2048
66.4.0.0/16
State of Tennessee Department of Education 65536
66.4.8.0/23
State of Tennessee Department of Education 512
66.4.9.0/24
State of Tennessee Department of Education 256
66.4.14.0/23
State of Tennessee Department of Education 512
66.4.16.0/23
State of Tennessee Department of Education 512
66.4.18.0/24
State of Tennessee Department of Education 256
66.4.18.0/23
State of Tennessee Department of Education 512
66.4.28.0/22
State of Tennessee Department of Education 1024
66.4.32.0/23
State of Tennessee Department of Education 512
66.4.38.0/24
State of Tennessee Department of Education 256
66.4.40.0/24
State of Tennessee Department of Education 256
66.4.60.0/23
State of Tennessee Department of Education 512
66.4.78.0/24
State of Tennessee Department of Education 256
66.4.81.0/24
State of Tennessee Department of Education 256
66.4.124.0/24
State of Tennessee Department of Education 256
66.4.126.0/24
State of Tennessee Department of Education 256
70.150.21.0/24
STATE OF TENNESSEE-NETTN 256
70.150.247.0/24
IRR InValid
STATE OF TENNESSEE-NETTN 256
72.158.184.0/24
STATE OF TENNESSEE-NETTN 256
72.159.76.0/24
STATE OF TENNESSEE-NETTN 256
170.141.56.0/23
State of Tennessee 512
170.141.60.0/23
State of Tennessee 512
170.142.0.0/24
State of Tennessee 256
170.142.0.0/16
State of Tennessee 65536
170.143.0.0/24
State of Tennessee 256
170.143.0.0/16
State of Tennessee 65536
198.146.0.0/16
Tennessee Board of Regents 65536
206.23.0.0/16
Tennessee Board of Regents 65536
208.63.128.0/24
STATE OF TENNESSEE-NETTN 256
208.63.128.0/20
STATE OF TENNESSEE-NETTN 4096
208.63.129.0/24
STATE OF TENNESSEE-NETTN 256
208.182.0.0/16
State of Tennessee Department of Education 65536
208.182.101.0/24
State of Tennessee Department of Education 256
208.182.124.0/24
State of Tennessee Department of Education 256
CIDR Description IP NUMs(prefix /64)
2604:f980:2100::/44
AT&T Services, Inc 1048576
2604:f980:2500::/44
AT&T Services, Inc 1048576
2604:f980:2600::/40
AT&T Services, Inc 16777216
2604:f980:2d00::/40
AT&T Services, Inc 16777216
2604:f980:3000::/36
AT&T Services, Inc 268435456
2604:f980:4240::/44
AT&T Services, Inc 1048576
2604:f980:4300::/44
AT&T Services, Inc 1048576
2604:f980:4360::/44
AT&T Services, Inc 1048576
2604:f980:4380::/44
AT&T Services, Inc 1048576
2604:f980:4390::/44
AT&T Services, Inc 1048576
2604:f980:4480::/44
AT&T Services, Inc 1048576
2604:f980:5100::/40
AT&T Services, Inc 16777216
AS Description Country/Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS7018 ATT-INTERNET4 - AT&T Enterprises, LLC, US United States 93,075,200 2,422,362,275,840 IPv4 IPv4 IPv6 IPv6
AS16473 STATE-OF-TENNESSEE-NETTN - AT&T Enterprises, LLC, US United States 0 0 IPv4 IPv4 
ASNumber:       19957
ASName:         STATE-OF-TENNESSEE-NETTN
ASHandle:       AS19957
RegDate:        2003-03-05
Updated:        2025-02-12    
Ref:            https://rdap.arin.net/registry/autnum/19957



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


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: 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

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