ASN Information - AS19957

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General Information

Name: AT&T Enterprises, LLC
Domain: att.net
Country: US
Type: isp
Registry: ARIN

Prefix Counts

IPv4 Count: 276,480
IPv6 Count: 85,282,463,018,894,400,500,472,479,744

IPv4 Prefixes

CIDR Country Network Name Organization Registry Status Size
12.204.201.0/24 US 12-204-192-0-20 STATE OF TENNESSEE-NETTN ARIN reassignment 256
12.204.206.0/24 US 12-204-192-0-20 STATE OF TENNESSEE-NETTN ARIN reassignment 256
12.204.208.0/24 US 12-204-208-0-20 STATE OF TENNESSEE-NETTN ARIN reassignment 256
12.204.209.0/24 US 12-204-208-0-20 STATE OF TENNESSEE-NETTN ARIN reassignment 256
12.204.216.0/21 US 12-204-208-0-20 STATE OF TENNESSEE-NETTN ARIN reassignment 2,048
64.79.176.0/21 US TN-EDU Southwest Tennessee Community College ARIN allocation 2,048
66.4.0.0/16 US TEN-NASH-2BL State of Tennessee Department of Education ARIN allocation 65,536
66.4.8.0/23 US TEN-NASH-2BL State of Tennessee Department of Education ARIN allocation 512
66.4.9.0/24 US TEN-NASH-2BL State of Tennessee Department of Education ARIN allocation 256
66.4.14.0/23 US TEN-NASH-2BL State of Tennessee Department of Education ARIN allocation 512
66.4.16.0/23 US TEN-NASH-2BL State of Tennessee Department of Education ARIN allocation 512
66.4.18.0/24 US TEN-NASH-2BL State of Tennessee Department of Education ARIN allocation 256
66.4.19.0/24 US TEN-NASH-2BL State of Tennessee Department of Education ARIN allocation 256
66.4.27.0/24 US TEN-NASH-2BL State of Tennessee Department of Education ARIN allocation 256
66.4.28.0/22 US TEN-NASH-2BL State of Tennessee Department of Education ARIN allocation 1,024
66.4.32.0/23 US TEN-NASH-2BL State of Tennessee Department of Education ARIN allocation 512
66.4.38.0/24 US TEN-NASH-2BL State of Tennessee Department of Education ARIN allocation 256
66.4.40.0/24 US TEN-NASH-2BL State of Tennessee Department of Education ARIN allocation 256
66.4.60.0/23 US TEN-NASH-2BL State of Tennessee Department of Education ARIN allocation 512
66.4.78.0/24 US TEN-NASH-2BL State of Tennessee Department of Education ARIN allocation 256
66.4.81.0/24 US TEN-NASH-2BL State of Tennessee Department of Education ARIN allocation 256
66.4.124.0/24 US TEN-NASH-2BL State of Tennessee Department of Education ARIN allocation 256
66.4.126.0/24 US TEN-NASH-2BL State of Tennessee Department of Education ARIN allocation 256
70.150.21.0/24 US 70-150-21-0-24 STATE OF TENNESSEE-NETTN ARIN reassignment 256
70.150.247.0/24 US 70-150-247-0-24 STATE OF TENNESSEE-NETTN ARIN reassignment 256
72.158.184.0/24 US 72-158-184-0-24 STATE OF TENNESSEE-NETTN ARIN reassignment 256
72.159.76.0/24 US 72-159-76-0-24 STATE OF TENNESSEE-NETTN ARIN reassignment 256
170.141.56.0/23 US TNNET State of Tennessee ARIN allocation 512
170.141.60.0/23 US TNNET State of Tennessee ARIN allocation 512
198.146.0.0/16 US TBR Tennessee Board of Regents ARIN allocation 65,536
206.23.0.0/16 US TEN-CBLK Tennessee Board of Regents ARIN allocation 65,536
208.63.128.0/24 US 208-63-128-0-20 STATE OF TENNESSEE-NETTN ARIN reassignment 256
208.63.129.0/24 US 208-63-128-0-20 STATE OF TENNESSEE-NETTN ARIN reassignment 256
208.182.0.0/16 US TEN-NASH State of Tennessee Department of Education ARIN allocation 65,536
208.182.101.0/24 US TEN-NASH State of Tennessee Department of Education ARIN allocation 256
208.182.124.0/24 US TEN-NASH State of Tennessee Department of Education ARIN allocation 256

IPv6 Prefixes

CIDR Country Network Name Organization Registry Status
2604:f980::/32 US ATT-NETTN AT&T Services, INC ARIN allocation
2604:f980:2100::/44 US ATT-NETTN AT&T Services, INC ARIN allocation
2604:f980:2500::/44 US ATT-NETTN AT&T Services, INC ARIN allocation
2604:f980:2600::/40 US ATT-NETTN AT&T Services, INC ARIN allocation
2604:f980:2d00::/40 US ATT-NETTN AT&T Services, INC ARIN allocation
2604:f980:3000::/36 US ATT-NETTN AT&T Services, INC ARIN allocation
2604:f980:4240::/44 US ATT-NETTN AT&T Services, INC ARIN allocation
2604:f980:4300::/44 US ATT-NETTN AT&T Services, INC ARIN allocation
2604:f980:4360::/44 US ATT-NETTN AT&T Services, INC ARIN allocation
2604:f980:4380::/44 US ATT-NETTN AT&T Services, INC ARIN allocation
2604:f980:4390::/44 US ATT-NETTN AT&T Services, INC ARIN allocation
2604:f980:4480::/44 US ATT-NETTN AT&T Services, INC ARIN allocation
2604:f980:4500::/44 US ATT-NETTN AT&T Services, INC ARIN allocation
2604:f980:5100::/40 US ATT-NETTN AT&T Services, INC ARIN allocation

Network Relationships

Upstreams: AS7018, AS16473