IPinfo - Comprehensive IP address data, IP geolocation API and database
  1. All IP Ranges
  2. 172.0.0.0/8
  3. 172.1.0.0/16
  4. 172.1.20.0/24

172.1.20.0/24 IP Range

Summary

ASNAS7018 AT&T Enterprises, LLC
BGP172.0.0.0/12
IPs with RDNS256
Hosted Domains0
Pingable IPs0
Router IPs0
172.1.20.0172-1-20-0.lightspeed.frsnca.sbcglobal.net0
172.1.20.1172-1-20-1.lightspeed.frsnca.sbcglobal.net0
172.1.20.2172-1-20-2.lightspeed.frsnca.sbcglobal.net0
172.1.20.3172-1-20-3.lightspeed.frsnca.sbcglobal.net0
172.1.20.4172-1-20-4.lightspeed.frsnca.sbcglobal.net0
172.1.20.5172-1-20-5.lightspeed.frsnca.sbcglobal.net0
172.1.20.6172-1-20-6.lightspeed.frsnca.sbcglobal.net0
172.1.20.7172-1-20-7.lightspeed.frsnca.sbcglobal.net0
172.1.20.8172-1-20-8.lightspeed.frsnca.sbcglobal.net0
172.1.20.9172-1-20-9.lightspeed.frsnca.sbcglobal.net0
172.1.20.10172-1-20-10.lightspeed.frsnca.sbcglobal.net0
172.1.20.11172-1-20-11.lightspeed.frsnca.sbcglobal.net0
172.1.20.12172-1-20-12.lightspeed.frsnca.sbcglobal.net0
172.1.20.13172-1-20-13.lightspeed.frsnca.sbcglobal.net0
172.1.20.14172-1-20-14.lightspeed.frsnca.sbcglobal.net0
172.1.20.15172-1-20-15.lightspeed.frsnca.sbcglobal.net0
172.1.20.16172-1-20-16.lightspeed.frsnca.sbcglobal.net0
172.1.20.17172-1-20-17.lightspeed.frsnca.sbcglobal.net0
172.1.20.18172-1-20-18.lightspeed.frsnca.sbcglobal.net0
172.1.20.19172-1-20-19.lightspeed.frsnca.sbcglobal.net0
172.1.20.20172-1-20-20.lightspeed.frsnca.sbcglobal.net0
172.1.20.21172-1-20-21.lightspeed.frsnca.sbcglobal.net0
172.1.20.22172-1-20-22.lightspeed.frsnca.sbcglobal.net0
172.1.20.23172-1-20-23.lightspeed.frsnca.sbcglobal.net0
172.1.20.24172-1-20-24.lightspeed.frsnca.sbcglobal.net0
172.1.20.25172-1-20-25.lightspeed.frsnca.sbcglobal.net0
172.1.20.26172-1-20-26.lightspeed.frsnca.sbcglobal.net0
172.1.20.27172-1-20-27.lightspeed.frsnca.sbcglobal.net0
172.1.20.28172-1-20-28.lightspeed.frsnca.sbcglobal.net0
172.1.20.29172-1-20-29.lightspeed.frsnca.sbcglobal.net0
172.1.20.30172-1-20-30.lightspeed.frsnca.sbcglobal.net0
172.1.20.31172-1-20-31.lightspeed.frsnca.sbcglobal.net0
172.1.20.32172-1-20-32.lightspeed.frsnca.sbcglobal.net0
172.1.20.33172-1-20-33.lightspeed.frsnca.sbcglobal.net0
172.1.20.34172-1-20-34.lightspeed.frsnca.sbcglobal.net0
172.1.20.35172-1-20-35.lightspeed.frsnca.sbcglobal.net0
172.1.20.36172-1-20-36.lightspeed.frsnca.sbcglobal.net0
172.1.20.37172-1-20-37.lightspeed.frsnca.sbcglobal.net0
172.1.20.38172-1-20-38.lightspeed.frsnca.sbcglobal.net0
172.1.20.39172-1-20-39.lightspeed.frsnca.sbcglobal.net0
172.1.20.40172-1-20-40.lightspeed.frsnca.sbcglobal.net0
172.1.20.41172-1-20-41.lightspeed.frsnca.sbcglobal.net0
172.1.20.42172-1-20-42.lightspeed.frsnca.sbcglobal.net0
172.1.20.43172-1-20-43.lightspeed.frsnca.sbcglobal.net0
172.1.20.44172-1-20-44.lightspeed.frsnca.sbcglobal.net0
172.1.20.45172-1-20-45.lightspeed.frsnca.sbcglobal.net0
172.1.20.46172-1-20-46.lightspeed.frsnca.sbcglobal.net0
172.1.20.47172-1-20-47.lightspeed.frsnca.sbcglobal.net0
172.1.20.48172-1-20-48.lightspeed.frsnca.sbcglobal.net0
172.1.20.49172-1-20-49.lightspeed.frsnca.sbcglobal.net0
172.1.20.50172-1-20-50.lightspeed.frsnca.sbcglobal.net0
172.1.20.51172-1-20-51.lightspeed.frsnca.sbcglobal.net0
172.1.20.52172-1-20-52.lightspeed.frsnca.sbcglobal.net0
172.1.20.53172-1-20-53.lightspeed.frsnca.sbcglobal.net0
172.1.20.54172-1-20-54.lightspeed.frsnca.sbcglobal.net0
172.1.20.55172-1-20-55.lightspeed.frsnca.sbcglobal.net0
172.1.20.56172-1-20-56.lightspeed.frsnca.sbcglobal.net0
172.1.20.57172-1-20-57.lightspeed.frsnca.sbcglobal.net0
172.1.20.58172-1-20-58.lightspeed.frsnca.sbcglobal.net0
172.1.20.59172-1-20-59.lightspeed.frsnca.sbcglobal.net0
172.1.20.60172-1-20-60.lightspeed.frsnca.sbcglobal.net0
172.1.20.61172-1-20-61.lightspeed.frsnca.sbcglobal.net0
172.1.20.62172-1-20-62.lightspeed.frsnca.sbcglobal.net0
172.1.20.63172-1-20-63.lightspeed.frsnca.sbcglobal.net0
172.1.20.64172-1-20-64.lightspeed.frsnca.sbcglobal.net0
172.1.20.65172-1-20-65.lightspeed.frsnca.sbcglobal.net0
172.1.20.66172-1-20-66.lightspeed.frsnca.sbcglobal.net0
172.1.20.67172-1-20-67.lightspeed.frsnca.sbcglobal.net0
172.1.20.68172-1-20-68.lightspeed.frsnca.sbcglobal.net0
172.1.20.69172-1-20-69.lightspeed.frsnca.sbcglobal.net0
172.1.20.70172-1-20-70.lightspeed.frsnca.sbcglobal.net0
172.1.20.71172-1-20-71.lightspeed.frsnca.sbcglobal.net0
172.1.20.72172-1-20-72.lightspeed.frsnca.sbcglobal.net0
172.1.20.73172-1-20-73.lightspeed.frsnca.sbcglobal.net0
172.1.20.74172-1-20-74.lightspeed.frsnca.sbcglobal.net0
172.1.20.75172-1-20-75.lightspeed.frsnca.sbcglobal.net0
172.1.20.76172-1-20-76.lightspeed.frsnca.sbcglobal.net0
172.1.20.77172-1-20-77.lightspeed.frsnca.sbcglobal.net0
172.1.20.78172-1-20-78.lightspeed.frsnca.sbcglobal.net0
172.1.20.79172-1-20-79.lightspeed.frsnca.sbcglobal.net0
172.1.20.80172-1-20-80.lightspeed.frsnca.sbcglobal.net0
172.1.20.81172-1-20-81.lightspeed.frsnca.sbcglobal.net0
172.1.20.82172-1-20-82.lightspeed.frsnca.sbcglobal.net0
172.1.20.83172-1-20-83.lightspeed.frsnca.sbcglobal.net0
172.1.20.84172-1-20-84.lightspeed.frsnca.sbcglobal.net0
172.1.20.85172-1-20-85.lightspeed.frsnca.sbcglobal.net0
172.1.20.86172-1-20-86.lightspeed.frsnca.sbcglobal.net0
172.1.20.87172-1-20-87.lightspeed.frsnca.sbcglobal.net0
172.1.20.88172-1-20-88.lightspeed.frsnca.sbcglobal.net0
172.1.20.89172-1-20-89.lightspeed.frsnca.sbcglobal.net0
172.1.20.90172-1-20-90.lightspeed.frsnca.sbcglobal.net0
172.1.20.91172-1-20-91.lightspeed.frsnca.sbcglobal.net0
172.1.20.92172-1-20-92.lightspeed.frsnca.sbcglobal.net0
172.1.20.93172-1-20-93.lightspeed.frsnca.sbcglobal.net0
172.1.20.94172-1-20-94.lightspeed.frsnca.sbcglobal.net0
172.1.20.95172-1-20-95.lightspeed.frsnca.sbcglobal.net0
172.1.20.96172-1-20-96.lightspeed.frsnca.sbcglobal.net0
172.1.20.97172-1-20-97.lightspeed.frsnca.sbcglobal.net0
172.1.20.98172-1-20-98.lightspeed.frsnca.sbcglobal.net0
172.1.20.99172-1-20-99.lightspeed.frsnca.sbcglobal.net0
172.1.20.100172-1-20-100.lightspeed.frsnca.sbcglobal.net0
172.1.20.101172-1-20-101.lightspeed.frsnca.sbcglobal.net0
172.1.20.102172-1-20-102.lightspeed.frsnca.sbcglobal.net0
172.1.20.103172-1-20-103.lightspeed.frsnca.sbcglobal.net0
172.1.20.104172-1-20-104.lightspeed.frsnca.sbcglobal.net0
172.1.20.105172-1-20-105.lightspeed.frsnca.sbcglobal.net0
172.1.20.106172-1-20-106.lightspeed.frsnca.sbcglobal.net0
172.1.20.107172-1-20-107.lightspeed.frsnca.sbcglobal.net0
172.1.20.108172-1-20-108.lightspeed.frsnca.sbcglobal.net0
172.1.20.109172-1-20-109.lightspeed.frsnca.sbcglobal.net0
172.1.20.110172-1-20-110.lightspeed.frsnca.sbcglobal.net0
172.1.20.111172-1-20-111.lightspeed.frsnca.sbcglobal.net0
172.1.20.112172-1-20-112.lightspeed.frsnca.sbcglobal.net0
172.1.20.113172-1-20-113.lightspeed.frsnca.sbcglobal.net0
172.1.20.114172-1-20-114.lightspeed.frsnca.sbcglobal.net0
172.1.20.115172-1-20-115.lightspeed.frsnca.sbcglobal.net0
172.1.20.116172-1-20-116.lightspeed.frsnca.sbcglobal.net0
172.1.20.117172-1-20-117.lightspeed.frsnca.sbcglobal.net0
172.1.20.118172-1-20-118.lightspeed.frsnca.sbcglobal.net0
172.1.20.119172-1-20-119.lightspeed.frsnca.sbcglobal.net0
172.1.20.120172-1-20-120.lightspeed.frsnca.sbcglobal.net0
172.1.20.121172-1-20-121.lightspeed.frsnca.sbcglobal.net0
172.1.20.122172-1-20-122.lightspeed.frsnca.sbcglobal.net0
172.1.20.123172-1-20-123.lightspeed.frsnca.sbcglobal.net0
172.1.20.124172-1-20-124.lightspeed.frsnca.sbcglobal.net0
172.1.20.125172-1-20-125.lightspeed.frsnca.sbcglobal.net0
172.1.20.126172-1-20-126.lightspeed.frsnca.sbcglobal.net0
172.1.20.127172-1-20-127.lightspeed.frsnca.sbcglobal.net0
172.1.20.128172-1-20-128.lightspeed.frsnca.sbcglobal.net0
172.1.20.129172-1-20-129.lightspeed.frsnca.sbcglobal.net0
172.1.20.130172-1-20-130.lightspeed.frsnca.sbcglobal.net0
172.1.20.131172-1-20-131.lightspeed.frsnca.sbcglobal.net0
172.1.20.132172-1-20-132.lightspeed.frsnca.sbcglobal.net0
172.1.20.133172-1-20-133.lightspeed.frsnca.sbcglobal.net0
172.1.20.134172-1-20-134.lightspeed.frsnca.sbcglobal.net0
172.1.20.135172-1-20-135.lightspeed.frsnca.sbcglobal.net0
172.1.20.136172-1-20-136.lightspeed.frsnca.sbcglobal.net0
172.1.20.137172-1-20-137.lightspeed.frsnca.sbcglobal.net0
172.1.20.138172-1-20-138.lightspeed.frsnca.sbcglobal.net0
172.1.20.139172-1-20-139.lightspeed.frsnca.sbcglobal.net0
172.1.20.140172-1-20-140.lightspeed.frsnca.sbcglobal.net0
172.1.20.141172-1-20-141.lightspeed.frsnca.sbcglobal.net0
172.1.20.142172-1-20-142.lightspeed.frsnca.sbcglobal.net0
172.1.20.143172-1-20-143.lightspeed.frsnca.sbcglobal.net0
172.1.20.144172-1-20-144.lightspeed.frsnca.sbcglobal.net0
172.1.20.145172-1-20-145.lightspeed.frsnca.sbcglobal.net0
172.1.20.146172-1-20-146.lightspeed.frsnca.sbcglobal.net0
172.1.20.147172-1-20-147.lightspeed.frsnca.sbcglobal.net0
172.1.20.148172-1-20-148.lightspeed.frsnca.sbcglobal.net0
172.1.20.149172-1-20-149.lightspeed.frsnca.sbcglobal.net0
172.1.20.150172-1-20-150.lightspeed.frsnca.sbcglobal.net0
172.1.20.151172-1-20-151.lightspeed.frsnca.sbcglobal.net0
172.1.20.152172-1-20-152.lightspeed.frsnca.sbcglobal.net0
172.1.20.153172-1-20-153.lightspeed.frsnca.sbcglobal.net0
172.1.20.154172-1-20-154.lightspeed.frsnca.sbcglobal.net0
172.1.20.155172-1-20-155.lightspeed.frsnca.sbcglobal.net0
172.1.20.156172-1-20-156.lightspeed.frsnca.sbcglobal.net0
172.1.20.157172-1-20-157.lightspeed.frsnca.sbcglobal.net0
172.1.20.158172-1-20-158.lightspeed.frsnca.sbcglobal.net0
172.1.20.159172-1-20-159.lightspeed.frsnca.sbcglobal.net0
172.1.20.160172-1-20-160.lightspeed.frsnca.sbcglobal.net0
172.1.20.161172-1-20-161.lightspeed.frsnca.sbcglobal.net0
172.1.20.162172-1-20-162.lightspeed.frsnca.sbcglobal.net0
172.1.20.163172-1-20-163.lightspeed.frsnca.sbcglobal.net0
172.1.20.164172-1-20-164.lightspeed.frsnca.sbcglobal.net0
172.1.20.165172-1-20-165.lightspeed.frsnca.sbcglobal.net0
172.1.20.166172-1-20-166.lightspeed.frsnca.sbcglobal.net0
172.1.20.167172-1-20-167.lightspeed.frsnca.sbcglobal.net0
172.1.20.168172-1-20-168.lightspeed.frsnca.sbcglobal.net0
172.1.20.169172-1-20-169.lightspeed.frsnca.sbcglobal.net0
172.1.20.170172-1-20-170.lightspeed.frsnca.sbcglobal.net0
172.1.20.171172-1-20-171.lightspeed.frsnca.sbcglobal.net0
172.1.20.172172-1-20-172.lightspeed.frsnca.sbcglobal.net0
172.1.20.173172-1-20-173.lightspeed.frsnca.sbcglobal.net0
172.1.20.174172-1-20-174.lightspeed.frsnca.sbcglobal.net0
172.1.20.175172-1-20-175.lightspeed.frsnca.sbcglobal.net0
172.1.20.176172-1-20-176.lightspeed.frsnca.sbcglobal.net0
172.1.20.177172-1-20-177.lightspeed.frsnca.sbcglobal.net0
172.1.20.178172-1-20-178.lightspeed.frsnca.sbcglobal.net0
172.1.20.179172-1-20-179.lightspeed.frsnca.sbcglobal.net0
172.1.20.180172-1-20-180.lightspeed.frsnca.sbcglobal.net0
172.1.20.181172-1-20-181.lightspeed.frsnca.sbcglobal.net0
172.1.20.182172-1-20-182.lightspeed.frsnca.sbcglobal.net0
172.1.20.183172-1-20-183.lightspeed.frsnca.sbcglobal.net0
172.1.20.184172-1-20-184.lightspeed.frsnca.sbcglobal.net0
172.1.20.185172-1-20-185.lightspeed.frsnca.sbcglobal.net0
172.1.20.186172-1-20-186.lightspeed.frsnca.sbcglobal.net0
172.1.20.187172-1-20-187.lightspeed.frsnca.sbcglobal.net0
172.1.20.188172-1-20-188.lightspeed.frsnca.sbcglobal.net0
172.1.20.189172-1-20-189.lightspeed.frsnca.sbcglobal.net0
172.1.20.190172-1-20-190.lightspeed.frsnca.sbcglobal.net0
172.1.20.191172-1-20-191.lightspeed.frsnca.sbcglobal.net0
172.1.20.192172-1-20-192.lightspeed.frsnca.sbcglobal.net0
172.1.20.193172-1-20-193.lightspeed.frsnca.sbcglobal.net0
172.1.20.194172-1-20-194.lightspeed.frsnca.sbcglobal.net0
172.1.20.195172-1-20-195.lightspeed.frsnca.sbcglobal.net0
172.1.20.196172-1-20-196.lightspeed.frsnca.sbcglobal.net0
172.1.20.197172-1-20-197.lightspeed.frsnca.sbcglobal.net0
172.1.20.198172-1-20-198.lightspeed.frsnca.sbcglobal.net0
172.1.20.199172-1-20-199.lightspeed.frsnca.sbcglobal.net0
172.1.20.200172-1-20-200.lightspeed.frsnca.sbcglobal.net0
172.1.20.201172-1-20-201.lightspeed.frsnca.sbcglobal.net0
172.1.20.202172-1-20-202.lightspeed.frsnca.sbcglobal.net0
172.1.20.203172-1-20-203.lightspeed.frsnca.sbcglobal.net0
172.1.20.204172-1-20-204.lightspeed.frsnca.sbcglobal.net0
172.1.20.205172-1-20-205.lightspeed.frsnca.sbcglobal.net0
172.1.20.206172-1-20-206.lightspeed.frsnca.sbcglobal.net0
172.1.20.207172-1-20-207.lightspeed.frsnca.sbcglobal.net0
172.1.20.208172-1-20-208.lightspeed.frsnca.sbcglobal.net0
172.1.20.209172-1-20-209.lightspeed.frsnca.sbcglobal.net0
172.1.20.210172-1-20-210.lightspeed.frsnca.sbcglobal.net0
172.1.20.211172-1-20-211.lightspeed.frsnca.sbcglobal.net0
172.1.20.212172-1-20-212.lightspeed.frsnca.sbcglobal.net0
172.1.20.213172-1-20-213.lightspeed.frsnca.sbcglobal.net0
172.1.20.214172-1-20-214.lightspeed.frsnca.sbcglobal.net0
172.1.20.215172-1-20-215.lightspeed.frsnca.sbcglobal.net0
172.1.20.216172-1-20-216.lightspeed.frsnca.sbcglobal.net0
172.1.20.217172-1-20-217.lightspeed.frsnca.sbcglobal.net0
172.1.20.218172-1-20-218.lightspeed.frsnca.sbcglobal.net0
172.1.20.219172-1-20-219.lightspeed.frsnca.sbcglobal.net0
172.1.20.220172-1-20-220.lightspeed.frsnca.sbcglobal.net0
172.1.20.221172-1-20-221.lightspeed.frsnca.sbcglobal.net0
172.1.20.222172-1-20-222.lightspeed.frsnca.sbcglobal.net0
172.1.20.223172-1-20-223.lightspeed.frsnca.sbcglobal.net0
172.1.20.224172-1-20-224.lightspeed.frsnca.sbcglobal.net0
172.1.20.225172-1-20-225.lightspeed.frsnca.sbcglobal.net0
172.1.20.226172-1-20-226.lightspeed.frsnca.sbcglobal.net0
172.1.20.227172-1-20-227.lightspeed.frsnca.sbcglobal.net0
172.1.20.228172-1-20-228.lightspeed.frsnca.sbcglobal.net0
172.1.20.229172-1-20-229.lightspeed.frsnca.sbcglobal.net0
172.1.20.230172-1-20-230.lightspeed.frsnca.sbcglobal.net0
172.1.20.231172-1-20-231.lightspeed.frsnca.sbcglobal.net0
172.1.20.232172-1-20-232.lightspeed.frsnca.sbcglobal.net0
172.1.20.233172-1-20-233.lightspeed.frsnca.sbcglobal.net0
172.1.20.234172-1-20-234.lightspeed.frsnca.sbcglobal.net0
172.1.20.235172-1-20-235.lightspeed.frsnca.sbcglobal.net0
172.1.20.236172-1-20-236.lightspeed.frsnca.sbcglobal.net0
172.1.20.237172-1-20-237.lightspeed.frsnca.sbcglobal.net0
172.1.20.238172-1-20-238.lightspeed.frsnca.sbcglobal.net0
172.1.20.239172-1-20-239.lightspeed.frsnca.sbcglobal.net0
172.1.20.240172-1-20-240.lightspeed.frsnca.sbcglobal.net0
172.1.20.241172-1-20-241.lightspeed.frsnca.sbcglobal.net0
172.1.20.242172-1-20-242.lightspeed.frsnca.sbcglobal.net0
172.1.20.243172-1-20-243.lightspeed.frsnca.sbcglobal.net0
172.1.20.244172-1-20-244.lightspeed.frsnca.sbcglobal.net0
172.1.20.245172-1-20-245.lightspeed.frsnca.sbcglobal.net0
172.1.20.246172-1-20-246.lightspeed.frsnca.sbcglobal.net0
172.1.20.247172-1-20-247.lightspeed.frsnca.sbcglobal.net0
172.1.20.248172-1-20-248.lightspeed.frsnca.sbcglobal.net0
172.1.20.249172-1-20-249.lightspeed.frsnca.sbcglobal.net0
172.1.20.250172-1-20-250.lightspeed.frsnca.sbcglobal.net0
172.1.20.251172-1-20-251.lightspeed.frsnca.sbcglobal.net0
172.1.20.252172-1-20-252.lightspeed.frsnca.sbcglobal.net0
172.1.20.253172-1-20-253.lightspeed.frsnca.sbcglobal.net0
172.1.20.254172-1-20-254.lightspeed.frsnca.sbcglobal.net0
172.1.20.255172-1-20-255.lightspeed.frsnca.sbcglobal.net0

Traceroute

Below is a recent traceroute taken from the IPinfo ProbeNet to an IP in this range. Learn more.
$
traceroute -a -n -q1 -f4 -m12 172.1.20.193
traceroute to 172.1.20.193 (172.1.20.193): 12 hops max, 52 byte packets
4 [] 15.230.139.226 5.423 ms
5 *
6 *
7 *
8 *
9 [AS7018] 12.55.235.146 1.512 ms
10 *
11 *
12 *
Measurement taken from  IPinfo ProbeNet in Chicago, US
On