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12.255.21.0/24 IP Range

  1. All IP Ranges
  2. 12.0.0.0/8 IP Range
  3. 12.255.0.0/16 IP Range
  4. 12.255.21.0/24 IP Range

Summary

ASNAS7018 AT&T Services, Inc.
BGP12.128.0.0/9
IPs with RDNS25
Hosted Domains0
Pingable IPs5
Router IPs0
IP Address Hostname Domains Pingable Router
12.255.21.0—0
12.255.21.1—0
12.255.21.2—0
12.255.21.3plzcadce001.plzca.sbcglobal.net0
12.255.21.4plzcadce002.plzca.sbcglobal.net0
12.255.21.5—0
12.255.21.6—0
12.255.21.7plzcadlb001.plzca.sbcglobal.net0
12.255.21.8plzcadlb002.plzca.sbcglobal.net0
12.255.21.9plzcaona101.plzca.sbcglobal.net0
12.255.21.10plzcaona102.plzca.sbcglobal.net0
12.255.21.11plzcabsx101.plzca.sbcglobal.net0
12.255.21.12—0
12.255.21.13—0
12.255.21.14—0
12.255.21.15—0
12.255.21.16—0
12.255.21.17plzcadbc101-ilo.plzca.sbcglobal.net0
12.255.21.18plzcadbc102-ilo.plzca.sbcglobal.net0
12.255.21.19plzcadbc103-ilo.plzca.sbcglobal.net0
12.255.21.20plzcadbc104-ilo.plzca.sbcglobal.net0
12.255.21.21plzcadbc105-ilo.plzca.sbcglobal.net0
12.255.21.22plzcadbc106-ilo.plzca.sbcglobal.net0
12.255.21.23plzcadbc107-ilo.plzca.sbcglobal.net0
12.255.21.24plzcadbc108-ilo.plzca.sbcglobal.net0
12.255.21.25plzcadbc109-ilo.plzca.sbcglobal.net0
12.255.21.26plzcadbc110-ilo.plzca.sbcglobal.net0
12.255.21.27plzcadbc111-ilo.plzca.sbcglobal.net0
12.255.21.28plzcadbc112-ilo.plzca.sbcglobal.net0
12.255.21.29plzcadbc113-ilo.plzca.sbcglobal.net0
12.255.21.30plzcadbc114-ilo.plzca.sbcglobal.net0
12.255.21.31plzcadbc115-ilo.plzca.sbcglobal.net0
12.255.21.32plzcadbc116-ilo.plzca.sbcglobal.net0
12.255.21.33plzcadbc115.plzca.sbcglobal.net0
12.255.21.34plzcadbc116.plzca.sbcglobal.net0
12.255.21.35—0
12.255.21.36—0
12.255.21.37—0
12.255.21.38—0
12.255.21.39—0
12.255.21.40—0
12.255.21.41—0
12.255.21.42—0
12.255.21.43—0
12.255.21.44—0
12.255.21.45—0
12.255.21.46—0
12.255.21.47—0
12.255.21.48—0
12.255.21.49—0
12.255.21.50—0
12.255.21.51—0
12.255.21.52—0
12.255.21.53—0
12.255.21.54—0
12.255.21.55—0
12.255.21.56—0
12.255.21.57—0
12.255.21.58—0
12.255.21.59—0
12.255.21.60—0
12.255.21.61—0
12.255.21.62—0
12.255.21.63—0
12.255.21.64—0
12.255.21.65—0
12.255.21.66—0
12.255.21.67—0
12.255.21.68—0
12.255.21.69—0
12.255.21.70—0
12.255.21.71—0
12.255.21.72—0
12.255.21.73—0
12.255.21.74—0
12.255.21.75—0
12.255.21.76—0
12.255.21.77—0
12.255.21.78—0
12.255.21.79—0
12.255.21.80—0
12.255.21.81—0
12.255.21.82—0
12.255.21.83—0
12.255.21.84—0
12.255.21.85—0
12.255.21.86—0
12.255.21.87—0
12.255.21.88—0
12.255.21.89—0
12.255.21.90—0
12.255.21.91—0
12.255.21.92—0
12.255.21.93—0
12.255.21.94—0
12.255.21.95—0
12.255.21.96—0
12.255.21.97—0
12.255.21.98—0
12.255.21.99—0
12.255.21.100—0
12.255.21.101—0
12.255.21.102—0
12.255.21.103—0
12.255.21.104—0
12.255.21.105—0
12.255.21.106—0
12.255.21.107—0
12.255.21.108—0
12.255.21.109—0
12.255.21.110—0
12.255.21.111—0
12.255.21.112—0
12.255.21.113—0
12.255.21.114—0
12.255.21.115—0
12.255.21.116—0
12.255.21.117—0
12.255.21.118—0
12.255.21.119—0
12.255.21.120—0
12.255.21.121—0
12.255.21.122—0
12.255.21.123—0
12.255.21.124—0
12.255.21.125—0
12.255.21.126—0
12.255.21.127—0
12.255.21.128—0
12.255.21.129—0
12.255.21.130—0
12.255.21.131—0
12.255.21.132—0
12.255.21.133—0
12.255.21.134—0
12.255.21.135—0
12.255.21.136—0
12.255.21.137—0
12.255.21.138—0
12.255.21.139—0
12.255.21.140—0
12.255.21.141—0
12.255.21.142—0
12.255.21.143—0
12.255.21.144—0
12.255.21.145—0
12.255.21.146—0
12.255.21.147—0
12.255.21.148—0
12.255.21.149—0
12.255.21.150—0
12.255.21.151—0
12.255.21.152—0
12.255.21.153—0
12.255.21.154—0
12.255.21.155—0
12.255.21.156—0
12.255.21.157—0
12.255.21.158—0
12.255.21.159—0
12.255.21.160—0
12.255.21.161—0
12.255.21.162—0
12.255.21.163—0
12.255.21.164—0
12.255.21.165—0
12.255.21.166—0
12.255.21.167—0
12.255.21.168—0
12.255.21.169—0
12.255.21.170—0
12.255.21.171—0
12.255.21.172—0
12.255.21.173—0
12.255.21.174—0
12.255.21.175—0
12.255.21.176—0
12.255.21.177—0
12.255.21.178—0
12.255.21.179—0
12.255.21.180—0
12.255.21.181—0
12.255.21.182—0
12.255.21.183—0
12.255.21.184—0
12.255.21.185—0
12.255.21.186—0
12.255.21.187—0
12.255.21.188—0
12.255.21.189—0
12.255.21.190—0
12.255.21.191—0
12.255.21.192—0
12.255.21.193—0
12.255.21.194—0
12.255.21.195—0
12.255.21.196—0
12.255.21.197—0
12.255.21.198—0
12.255.21.199—0
12.255.21.200—0
12.255.21.201—0
12.255.21.202—0
12.255.21.203—0
12.255.21.204—0
12.255.21.205—0
12.255.21.206—0
12.255.21.207—0
12.255.21.208—0
12.255.21.209—0
12.255.21.210—0
12.255.21.211—0
12.255.21.212—0
12.255.21.213—0
12.255.21.214—0
12.255.21.215—0
12.255.21.216—0
12.255.21.217—0
12.255.21.218—0
12.255.21.219—0
12.255.21.220—0
12.255.21.221—0
12.255.21.222—0
12.255.21.223—0
12.255.21.224—0
12.255.21.225—0
12.255.21.226—0
12.255.21.227—0
12.255.21.228—0
12.255.21.229—0
12.255.21.230—0
12.255.21.231—0
12.255.21.232—0
12.255.21.233—0
12.255.21.234—0
12.255.21.235—0
12.255.21.236—0
12.255.21.237—0
12.255.21.238—0
12.255.21.239—0
12.255.21.240—0
12.255.21.241—0
12.255.21.242—0
12.255.21.243—0
12.255.21.244—0
12.255.21.245—0
12.255.21.246—0
12.255.21.247—0
12.255.21.248—0
12.255.21.249—0
12.255.21.250—0
12.255.21.251—0
12.255.21.252—0
12.255.21.253—0
12.255.21.254—0
12.255.21.255—0