AS Number
AS19957
AS Name
TENNESSEE-NET
Org Name
AT&T Corp.
Registry

arin

RegDate

2018-08-31

Updated

2024-05-28

AS19957 Looking Glass
IPv4Prefixes

41

IPv6Prefixes

13

IPv4 NUMs

400,896

IPv6 NUMs(/64)

328,204,288

400,896 IPv4 Addresses
CIDR Description IP Num
12.204.201.0/24 STATE OF TENNESSE-NETTN 256
12.204.206.0/24 STATE OF TENNESSE-NETTN 256
12.204.208.0/24 STATE OF TENNESSE-NETTN 256
12.204.209.0/24 STATE OF TENNESSE-NETTN 256
12.204.216.0/21 STATE OF TENNESSE-NETTN 2048
64.79.176.0/21 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
66.4.19.0/24 State of Tennessee Department of Education 256
66.4.27.0/24 State of Tennessee Department of Education 256
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 TNII Networks (C02558319) 256
70.150.247.0/24 TNII Networks (C02558322) 256
72.158.184.0/24 AT&T Corp. 256
72.159.76.0/24 AT&T Corp. 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 AT&T Corp. 256
208.63.129.0/24 AT&T Corp. 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:f980:4500::/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
AS16473 TNII - AT&T Corp., US United States 0 0 IPv4 IPv4
AS7018 ATT-INTERNET4 - AT&T Services, Inc., US United States 96,943,104 3,115,765,596,160 IPv4 IPv4 IPv6 IPv6
IP Address Domain NUMs Domains
12.204.208.76 1 c2c.tdot.tn.gov
ASNumber:       19957
ASName:         TENNESSEE-NET
ASHandle:       AS19957
RegDate:        2003-03-05
Updated:        2018-09-10    
Ref:            https://rdap.arin.net/registry/autnum/19957


OrgName:        AT&T Corp.
OrgId:          AC-3873
Address:        7277 164th Ave NE
Address:        ATTN: IP Management
City:           Redmond
StateProv:      WA
PostalCode:     98052
Country:        US
RegDate:        2018-08-31
Updated:        2024-05-28
Comment:        For policy abuse issues contact [email protected] 
Comment:        For all subpoena, Internet, court order related matters and emergency requests contact 
Comment:        11760 US Highway 1 
Comment:        North Palm Beach, FL 33408 
Comment:        Main Number: 800-635-6840 
Comment:        Fax: 888-938-4715
Ref:            https://rdap.arin.net/registry/entity/AC-3873


OrgAbuseHandle: IPOPE3-ARIN
OrgAbuseName:   IP Operations
OrgAbusePhone:  +1-888-510-5545 
OrgAbuseEmail:  [email protected]
OrgAbuseRef:    https://rdap.arin.net/registry/entity/IPOPE3-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: IPOPE3-ARIN
OrgTechName:   IP Operations
OrgTechPhone:  +1-888-510-5545 
OrgTechEmail:  [email protected]
OrgTechRef:    https://rdap.arin.net/registry/entity/IPOPE3-ARIN