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

AS19957 announces 26 IPv4 prefixes covering 291,072 addresses and 0 IPv6 prefixes.

Announced prefixes

• 12.165.35.0/24
• 12.204.192.0/21
• 12.204.201.0/24
• 12.204.202.0/23
• 12.204.204.0/22
• 12.204.208.0/20
• 12.230.239.0/24
• 64.79.182.0/23
• 65.82.99.0/24
• 66.4.0.0/16
• 68.156.24.0/21
• 70.150.21.0/24
• 70.150.247.0/24
• 70.150.248.0/21
• 70.158.144.0/20
• 72.158.184.0/24
• 72.159.76.0/24
• 74.252.160.0/20
• 74.254.176.0/22
• 74.254.180.0/24
• 170.141.56.0/23
• 170.141.60.0/23
• 198.146.0.0/16
• 206.23.0.0/16
• 208.63.128.0/20
• 208.182.0.0/16

Upstream networks

• AS7018 AT&T Enterprises, LLC
• AS16473 AT&T Enterprises, LLC

Downstream networks

• AS16989 The University of Tennessee Health Science Center

Adjacent networks

• AS7018 AT&T Enterprises, LLC
• AS16989 The University of Tennessee Health Science Center
• AS16473 AT&T Enterprises, LLC

Routing security

• RPKI: 0 valid, 0 invalid and 54 not-found announcements; 0 ROAs.
• ASPA: none published.
• IRR: 0% of announcements registered; 0 route objects.
• Listed in as-sets: AS-UOFM, AS20965:AS-FROM-INTERNET2-TO-GEANT.