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172.1.21.0/24 IP Range

  1. All IP Ranges
  2. 172.0.0.0/8 IP Range
  3. 172.1.0.0/16 IP Range
  4. 172.1.21.0/24 IP Range

Summary

ASNAS7018 AT&T Enterprises, LLC
BGP172.0.0.0/12
IPs with RDNS256
Hosted Domains0
Pingable IPs0
Router IPs1
IP Address Hostname Domains Pingable Router
172.1.21.0172-1-21-0.lightspeed.frsnca.sbcglobal.net0
172.1.21.1172-1-21-1.lightspeed.frsnca.sbcglobal.net0
172.1.21.2172-1-21-2.lightspeed.frsnca.sbcglobal.net0
172.1.21.3172-1-21-3.lightspeed.frsnca.sbcglobal.net0
172.1.21.4172-1-21-4.lightspeed.frsnca.sbcglobal.net0
172.1.21.5172-1-21-5.lightspeed.frsnca.sbcglobal.net0
172.1.21.6172-1-21-6.lightspeed.frsnca.sbcglobal.net0
172.1.21.7172-1-21-7.lightspeed.frsnca.sbcglobal.net0
172.1.21.8172-1-21-8.lightspeed.frsnca.sbcglobal.net0
172.1.21.9172-1-21-9.lightspeed.frsnca.sbcglobal.net0
172.1.21.10172-1-21-10.lightspeed.frsnca.sbcglobal.net0
172.1.21.11172-1-21-11.lightspeed.frsnca.sbcglobal.net0
172.1.21.12172-1-21-12.lightspeed.frsnca.sbcglobal.net0
172.1.21.13172-1-21-13.lightspeed.frsnca.sbcglobal.net0
172.1.21.14172-1-21-14.lightspeed.frsnca.sbcglobal.net0
172.1.21.15172-1-21-15.lightspeed.frsnca.sbcglobal.net0
172.1.21.16172-1-21-16.lightspeed.frsnca.sbcglobal.net0
172.1.21.17172-1-21-17.lightspeed.frsnca.sbcglobal.net0
172.1.21.18172-1-21-18.lightspeed.frsnca.sbcglobal.net0
172.1.21.19172-1-21-19.lightspeed.frsnca.sbcglobal.net0
172.1.21.20172-1-21-20.lightspeed.frsnca.sbcglobal.net0
172.1.21.21172-1-21-21.lightspeed.frsnca.sbcglobal.net0
172.1.21.22172-1-21-22.lightspeed.frsnca.sbcglobal.net0
172.1.21.23172-1-21-23.lightspeed.frsnca.sbcglobal.net0
172.1.21.24172-1-21-24.lightspeed.frsnca.sbcglobal.net0
172.1.21.25172-1-21-25.lightspeed.frsnca.sbcglobal.net0
172.1.21.26172-1-21-26.lightspeed.frsnca.sbcglobal.net0
172.1.21.27172-1-21-27.lightspeed.frsnca.sbcglobal.net0
172.1.21.28172-1-21-28.lightspeed.frsnca.sbcglobal.net0
172.1.21.29172-1-21-29.lightspeed.frsnca.sbcglobal.net0
172.1.21.30172-1-21-30.lightspeed.frsnca.sbcglobal.net0
172.1.21.31172-1-21-31.lightspeed.frsnca.sbcglobal.net0
172.1.21.32172-1-21-32.lightspeed.frsnca.sbcglobal.net0
172.1.21.33172-1-21-33.lightspeed.frsnca.sbcglobal.net0
172.1.21.34172-1-21-34.lightspeed.frsnca.sbcglobal.net0
172.1.21.35172-1-21-35.lightspeed.frsnca.sbcglobal.net0
172.1.21.36172-1-21-36.lightspeed.frsnca.sbcglobal.net0
172.1.21.37172-1-21-37.lightspeed.frsnca.sbcglobal.net0
172.1.21.38172-1-21-38.lightspeed.frsnca.sbcglobal.net0
172.1.21.39172-1-21-39.lightspeed.frsnca.sbcglobal.net0
172.1.21.40172-1-21-40.lightspeed.frsnca.sbcglobal.net0
172.1.21.41172-1-21-41.lightspeed.frsnca.sbcglobal.net0
172.1.21.42172-1-21-42.lightspeed.frsnca.sbcglobal.net0
172.1.21.43172-1-21-43.lightspeed.frsnca.sbcglobal.net0
172.1.21.44172-1-21-44.lightspeed.frsnca.sbcglobal.net0
172.1.21.45172-1-21-45.lightspeed.frsnca.sbcglobal.net0
172.1.21.46172-1-21-46.lightspeed.frsnca.sbcglobal.net0
172.1.21.47172-1-21-47.lightspeed.frsnca.sbcglobal.net0
172.1.21.48172-1-21-48.lightspeed.frsnca.sbcglobal.net0
172.1.21.49172-1-21-49.lightspeed.frsnca.sbcglobal.net0
172.1.21.50172-1-21-50.lightspeed.frsnca.sbcglobal.net0
172.1.21.51172-1-21-51.lightspeed.frsnca.sbcglobal.net0
172.1.21.52172-1-21-52.lightspeed.frsnca.sbcglobal.net0
172.1.21.53172-1-21-53.lightspeed.frsnca.sbcglobal.net0
172.1.21.54172-1-21-54.lightspeed.frsnca.sbcglobal.net0
172.1.21.55172-1-21-55.lightspeed.frsnca.sbcglobal.net0
172.1.21.56172-1-21-56.lightspeed.frsnca.sbcglobal.net0
172.1.21.57172-1-21-57.lightspeed.frsnca.sbcglobal.net0
172.1.21.58172-1-21-58.lightspeed.frsnca.sbcglobal.net0
172.1.21.59172-1-21-59.lightspeed.frsnca.sbcglobal.net0
172.1.21.60172-1-21-60.lightspeed.frsnca.sbcglobal.net0
172.1.21.61172-1-21-61.lightspeed.frsnca.sbcglobal.net0
172.1.21.62172-1-21-62.lightspeed.frsnca.sbcglobal.net0
172.1.21.63172-1-21-63.lightspeed.frsnca.sbcglobal.net0
172.1.21.64172-1-21-64.lightspeed.frsnca.sbcglobal.net0
172.1.21.65172-1-21-65.lightspeed.frsnca.sbcglobal.net0
172.1.21.66172-1-21-66.lightspeed.frsnca.sbcglobal.net0
172.1.21.67172-1-21-67.lightspeed.frsnca.sbcglobal.net0
172.1.21.68172-1-21-68.lightspeed.frsnca.sbcglobal.net0
172.1.21.69172-1-21-69.lightspeed.frsnca.sbcglobal.net0
172.1.21.70172-1-21-70.lightspeed.frsnca.sbcglobal.net0
172.1.21.71172-1-21-71.lightspeed.frsnca.sbcglobal.net0
172.1.21.72172-1-21-72.lightspeed.frsnca.sbcglobal.net0
172.1.21.73172-1-21-73.lightspeed.frsnca.sbcglobal.net0
172.1.21.74172-1-21-74.lightspeed.frsnca.sbcglobal.net0
172.1.21.75172-1-21-75.lightspeed.frsnca.sbcglobal.net0
172.1.21.76172-1-21-76.lightspeed.frsnca.sbcglobal.net0
172.1.21.77172-1-21-77.lightspeed.frsnca.sbcglobal.net0
172.1.21.78172-1-21-78.lightspeed.frsnca.sbcglobal.net0
172.1.21.79172-1-21-79.lightspeed.frsnca.sbcglobal.net0
172.1.21.80172-1-21-80.lightspeed.frsnca.sbcglobal.net0
172.1.21.81172-1-21-81.lightspeed.frsnca.sbcglobal.net0
172.1.21.82172-1-21-82.lightspeed.frsnca.sbcglobal.net0
172.1.21.83172-1-21-83.lightspeed.frsnca.sbcglobal.net0
172.1.21.84172-1-21-84.lightspeed.frsnca.sbcglobal.net0
172.1.21.85172-1-21-85.lightspeed.frsnca.sbcglobal.net0
172.1.21.86172-1-21-86.lightspeed.frsnca.sbcglobal.net0
172.1.21.87172-1-21-87.lightspeed.frsnca.sbcglobal.net0
172.1.21.88172-1-21-88.lightspeed.frsnca.sbcglobal.net0
172.1.21.89172-1-21-89.lightspeed.frsnca.sbcglobal.net0
172.1.21.90172-1-21-90.lightspeed.frsnca.sbcglobal.net0
172.1.21.91172-1-21-91.lightspeed.frsnca.sbcglobal.net0
172.1.21.92172-1-21-92.lightspeed.frsnca.sbcglobal.net0
172.1.21.93172-1-21-93.lightspeed.frsnca.sbcglobal.net0
172.1.21.94172-1-21-94.lightspeed.frsnca.sbcglobal.net0
172.1.21.95172-1-21-95.lightspeed.frsnca.sbcglobal.net0
172.1.21.96172-1-21-96.lightspeed.frsnca.sbcglobal.net0
172.1.21.97172-1-21-97.lightspeed.frsnca.sbcglobal.net0
172.1.21.98172-1-21-98.lightspeed.frsnca.sbcglobal.net0
172.1.21.99172-1-21-99.lightspeed.frsnca.sbcglobal.net0
172.1.21.100172-1-21-100.lightspeed.frsnca.sbcglobal.net0
172.1.21.101172-1-21-101.lightspeed.frsnca.sbcglobal.net0
172.1.21.102172-1-21-102.lightspeed.frsnca.sbcglobal.net0
172.1.21.103172-1-21-103.lightspeed.frsnca.sbcglobal.net0
172.1.21.104172-1-21-104.lightspeed.frsnca.sbcglobal.net0
172.1.21.105172-1-21-105.lightspeed.frsnca.sbcglobal.net0
172.1.21.106172-1-21-106.lightspeed.frsnca.sbcglobal.net0
172.1.21.107172-1-21-107.lightspeed.frsnca.sbcglobal.net0
172.1.21.108172-1-21-108.lightspeed.frsnca.sbcglobal.net0
172.1.21.109172-1-21-109.lightspeed.frsnca.sbcglobal.net0
172.1.21.110172-1-21-110.lightspeed.frsnca.sbcglobal.net0
172.1.21.111172-1-21-111.lightspeed.frsnca.sbcglobal.net0
172.1.21.112172-1-21-112.lightspeed.frsnca.sbcglobal.net0
172.1.21.113172-1-21-113.lightspeed.frsnca.sbcglobal.net0
172.1.21.114172-1-21-114.lightspeed.frsnca.sbcglobal.net0
172.1.21.115172-1-21-115.lightspeed.frsnca.sbcglobal.net0
172.1.21.116172-1-21-116.lightspeed.frsnca.sbcglobal.net0
172.1.21.117172-1-21-117.lightspeed.frsnca.sbcglobal.net0
172.1.21.118172-1-21-118.lightspeed.frsnca.sbcglobal.net0
172.1.21.119172-1-21-119.lightspeed.frsnca.sbcglobal.net0
172.1.21.120172-1-21-120.lightspeed.frsnca.sbcglobal.net0
172.1.21.121172-1-21-121.lightspeed.frsnca.sbcglobal.net0
172.1.21.122172-1-21-122.lightspeed.frsnca.sbcglobal.net0
172.1.21.123172-1-21-123.lightspeed.frsnca.sbcglobal.net0
172.1.21.124172-1-21-124.lightspeed.frsnca.sbcglobal.net0
172.1.21.125172-1-21-125.lightspeed.frsnca.sbcglobal.net0
172.1.21.126172-1-21-126.lightspeed.frsnca.sbcglobal.net0
172.1.21.127172-1-21-127.lightspeed.frsnca.sbcglobal.net0
172.1.21.128172-1-21-128.lightspeed.frsnca.sbcglobal.net0
172.1.21.129172-1-21-129.lightspeed.frsnca.sbcglobal.net0
172.1.21.130172-1-21-130.lightspeed.frsnca.sbcglobal.net0
172.1.21.131172-1-21-131.lightspeed.frsnca.sbcglobal.net0
172.1.21.132172-1-21-132.lightspeed.frsnca.sbcglobal.net0
172.1.21.133172-1-21-133.lightspeed.frsnca.sbcglobal.net0
172.1.21.134172-1-21-134.lightspeed.frsnca.sbcglobal.net0
172.1.21.135172-1-21-135.lightspeed.frsnca.sbcglobal.net0
172.1.21.136172-1-21-136.lightspeed.frsnca.sbcglobal.net0
172.1.21.137172-1-21-137.lightspeed.frsnca.sbcglobal.net0
172.1.21.138172-1-21-138.lightspeed.frsnca.sbcglobal.net0
172.1.21.139172-1-21-139.lightspeed.frsnca.sbcglobal.net0
172.1.21.140172-1-21-140.lightspeed.frsnca.sbcglobal.net0
172.1.21.141172-1-21-141.lightspeed.frsnca.sbcglobal.net0
172.1.21.142172-1-21-142.lightspeed.frsnca.sbcglobal.net0
172.1.21.143172-1-21-143.lightspeed.frsnca.sbcglobal.net0
172.1.21.144172-1-21-144.lightspeed.frsnca.sbcglobal.net0
172.1.21.145172-1-21-145.lightspeed.frsnca.sbcglobal.net0
172.1.21.146172-1-21-146.lightspeed.frsnca.sbcglobal.net0
172.1.21.147172-1-21-147.lightspeed.frsnca.sbcglobal.net0
172.1.21.148172-1-21-148.lightspeed.frsnca.sbcglobal.net0
172.1.21.149172-1-21-149.lightspeed.frsnca.sbcglobal.net0
172.1.21.150172-1-21-150.lightspeed.frsnca.sbcglobal.net0
172.1.21.151172-1-21-151.lightspeed.frsnca.sbcglobal.net0
172.1.21.152172-1-21-152.lightspeed.frsnca.sbcglobal.net0
172.1.21.153172-1-21-153.lightspeed.frsnca.sbcglobal.net0
172.1.21.154172-1-21-154.lightspeed.frsnca.sbcglobal.net0
172.1.21.155172-1-21-155.lightspeed.frsnca.sbcglobal.net0
172.1.21.156172-1-21-156.lightspeed.frsnca.sbcglobal.net0
172.1.21.157172-1-21-157.lightspeed.frsnca.sbcglobal.net0
172.1.21.158172-1-21-158.lightspeed.frsnca.sbcglobal.net0
172.1.21.159172-1-21-159.lightspeed.frsnca.sbcglobal.net0
172.1.21.160172-1-21-160.lightspeed.frsnca.sbcglobal.net0
172.1.21.161172-1-21-161.lightspeed.frsnca.sbcglobal.net0
172.1.21.162172-1-21-162.lightspeed.frsnca.sbcglobal.net0
172.1.21.163172-1-21-163.lightspeed.frsnca.sbcglobal.net0
172.1.21.164172-1-21-164.lightspeed.frsnca.sbcglobal.net0
172.1.21.165172-1-21-165.lightspeed.frsnca.sbcglobal.net0
172.1.21.166172-1-21-166.lightspeed.frsnca.sbcglobal.net0
172.1.21.167172-1-21-167.lightspeed.frsnca.sbcglobal.net0
172.1.21.168172-1-21-168.lightspeed.frsnca.sbcglobal.net0
172.1.21.169172-1-21-169.lightspeed.frsnca.sbcglobal.net0
172.1.21.170172-1-21-170.lightspeed.frsnca.sbcglobal.net0
172.1.21.171172-1-21-171.lightspeed.frsnca.sbcglobal.net0
172.1.21.172172-1-21-172.lightspeed.frsnca.sbcglobal.net0
172.1.21.173172-1-21-173.lightspeed.frsnca.sbcglobal.net0
172.1.21.174172-1-21-174.lightspeed.frsnca.sbcglobal.net0
172.1.21.175172-1-21-175.lightspeed.frsnca.sbcglobal.net0
172.1.21.176172-1-21-176.lightspeed.frsnca.sbcglobal.net0
172.1.21.177172-1-21-177.lightspeed.frsnca.sbcglobal.net0
172.1.21.178172-1-21-178.lightspeed.frsnca.sbcglobal.net0
172.1.21.179172-1-21-179.lightspeed.frsnca.sbcglobal.net0
172.1.21.180172-1-21-180.lightspeed.frsnca.sbcglobal.net0
172.1.21.181172-1-21-181.lightspeed.frsnca.sbcglobal.net0
172.1.21.182172-1-21-182.lightspeed.frsnca.sbcglobal.net0
172.1.21.183172-1-21-183.lightspeed.frsnca.sbcglobal.net0
172.1.21.184172-1-21-184.lightspeed.frsnca.sbcglobal.net0
172.1.21.185172-1-21-185.lightspeed.frsnca.sbcglobal.net0
172.1.21.186172-1-21-186.lightspeed.frsnca.sbcglobal.net0
172.1.21.187172-1-21-187.lightspeed.frsnca.sbcglobal.net0
172.1.21.188172-1-21-188.lightspeed.frsnca.sbcglobal.net0
172.1.21.189172-1-21-189.lightspeed.frsnca.sbcglobal.net0
172.1.21.190172-1-21-190.lightspeed.frsnca.sbcglobal.net0
172.1.21.191172-1-21-191.lightspeed.frsnca.sbcglobal.net0
172.1.21.192172-1-21-192.lightspeed.frsnca.sbcglobal.net0
172.1.21.193172-1-21-193.lightspeed.frsnca.sbcglobal.net0
172.1.21.194172-1-21-194.lightspeed.frsnca.sbcglobal.net0
172.1.21.195172-1-21-195.lightspeed.frsnca.sbcglobal.net0
172.1.21.196172-1-21-196.lightspeed.frsnca.sbcglobal.net0
172.1.21.197172-1-21-197.lightspeed.frsnca.sbcglobal.net0
172.1.21.198172-1-21-198.lightspeed.frsnca.sbcglobal.net0
172.1.21.199172-1-21-199.lightspeed.frsnca.sbcglobal.net0
172.1.21.200172-1-21-200.lightspeed.frsnca.sbcglobal.net0
172.1.21.201172-1-21-201.lightspeed.frsnca.sbcglobal.net0
172.1.21.202172-1-21-202.lightspeed.frsnca.sbcglobal.net0
172.1.21.203172-1-21-203.lightspeed.frsnca.sbcglobal.net0
172.1.21.204172-1-21-204.lightspeed.frsnca.sbcglobal.net0
172.1.21.205172-1-21-205.lightspeed.frsnca.sbcglobal.net0
172.1.21.206172-1-21-206.lightspeed.frsnca.sbcglobal.net0
172.1.21.207172-1-21-207.lightspeed.frsnca.sbcglobal.net0
172.1.21.208172-1-21-208.lightspeed.frsnca.sbcglobal.net0
172.1.21.209172-1-21-209.lightspeed.frsnca.sbcglobal.net0
172.1.21.210172-1-21-210.lightspeed.frsnca.sbcglobal.net0
172.1.21.211172-1-21-211.lightspeed.frsnca.sbcglobal.net0
172.1.21.212172-1-21-212.lightspeed.frsnca.sbcglobal.net0
172.1.21.213172-1-21-213.lightspeed.frsnca.sbcglobal.net0
172.1.21.214172-1-21-214.lightspeed.frsnca.sbcglobal.net0
172.1.21.215172-1-21-215.lightspeed.frsnca.sbcglobal.net0
172.1.21.216172-1-21-216.lightspeed.frsnca.sbcglobal.net0
172.1.21.217172-1-21-217.lightspeed.frsnca.sbcglobal.net0
172.1.21.218172-1-21-218.lightspeed.frsnca.sbcglobal.net0
172.1.21.219172-1-21-219.lightspeed.frsnca.sbcglobal.net0
172.1.21.220172-1-21-220.lightspeed.frsnca.sbcglobal.net0
172.1.21.221172-1-21-221.lightspeed.frsnca.sbcglobal.net0
172.1.21.222172-1-21-222.lightspeed.frsnca.sbcglobal.net0
172.1.21.223172-1-21-223.lightspeed.frsnca.sbcglobal.net0
172.1.21.224172-1-21-224.lightspeed.frsnca.sbcglobal.net0
172.1.21.225172-1-21-225.lightspeed.frsnca.sbcglobal.net0
172.1.21.226172-1-21-226.lightspeed.frsnca.sbcglobal.net0
172.1.21.227172-1-21-227.lightspeed.frsnca.sbcglobal.net0
172.1.21.228172-1-21-228.lightspeed.frsnca.sbcglobal.net0
172.1.21.229172-1-21-229.lightspeed.frsnca.sbcglobal.net0
172.1.21.230172-1-21-230.lightspeed.frsnca.sbcglobal.net0
172.1.21.231172-1-21-231.lightspeed.frsnca.sbcglobal.net0
172.1.21.232172-1-21-232.lightspeed.frsnca.sbcglobal.net0
172.1.21.233172-1-21-233.lightspeed.frsnca.sbcglobal.net0
172.1.21.234172-1-21-234.lightspeed.frsnca.sbcglobal.net0
172.1.21.235172-1-21-235.lightspeed.frsnca.sbcglobal.net0
172.1.21.236172-1-21-236.lightspeed.frsnca.sbcglobal.net0
172.1.21.237172-1-21-237.lightspeed.frsnca.sbcglobal.net0
172.1.21.238172-1-21-238.lightspeed.frsnca.sbcglobal.net0
172.1.21.239172-1-21-239.lightspeed.frsnca.sbcglobal.net0
172.1.21.240172-1-21-240.lightspeed.frsnca.sbcglobal.net0
172.1.21.241172-1-21-241.lightspeed.frsnca.sbcglobal.net0
172.1.21.242172-1-21-242.lightspeed.frsnca.sbcglobal.net0
172.1.21.243172-1-21-243.lightspeed.frsnca.sbcglobal.net0
172.1.21.244172-1-21-244.lightspeed.frsnca.sbcglobal.net0
172.1.21.245172-1-21-245.lightspeed.frsnca.sbcglobal.net0
172.1.21.246172-1-21-246.lightspeed.frsnca.sbcglobal.net0
172.1.21.247172-1-21-247.lightspeed.frsnca.sbcglobal.net0
172.1.21.248172-1-21-248.lightspeed.frsnca.sbcglobal.net0
172.1.21.249172-1-21-249.lightspeed.frsnca.sbcglobal.net0
172.1.21.250172-1-21-250.lightspeed.frsnca.sbcglobal.net0
172.1.21.251172-1-21-251.lightspeed.frsnca.sbcglobal.net0
172.1.21.252172-1-21-252.lightspeed.frsnca.sbcglobal.net0
172.1.21.253172-1-21-253.lightspeed.frsnca.sbcglobal.net0
172.1.21.254172-1-21-254.lightspeed.frsnca.sbcglobal.net0
172.1.21.255172-1-21-255.lightspeed.frsnca.sbcglobal.net0