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. 172.1.23.0/24

172.1.23.0/24 IP Range

Summary

ASNAS7018 AT&T Enterprises, LLC
BGP172.0.0.0/12
IPs with RDNS256
Hosted Domains0
Pingable IPs0
Router IPs0
172.1.23.0172-1-23-0.lightspeed.frsnca.sbcglobal.net0
172.1.23.1172-1-23-1.lightspeed.frsnca.sbcglobal.net0
172.1.23.2172-1-23-2.lightspeed.frsnca.sbcglobal.net0
172.1.23.3172-1-23-3.lightspeed.frsnca.sbcglobal.net0
172.1.23.4172-1-23-4.lightspeed.frsnca.sbcglobal.net0
172.1.23.5172-1-23-5.lightspeed.frsnca.sbcglobal.net0
172.1.23.6172-1-23-6.lightspeed.frsnca.sbcglobal.net0
172.1.23.7172-1-23-7.lightspeed.frsnca.sbcglobal.net0
172.1.23.8172-1-23-8.lightspeed.frsnca.sbcglobal.net0
172.1.23.9172-1-23-9.lightspeed.frsnca.sbcglobal.net0
172.1.23.10172-1-23-10.lightspeed.frsnca.sbcglobal.net0
172.1.23.11172-1-23-11.lightspeed.frsnca.sbcglobal.net0
172.1.23.12172-1-23-12.lightspeed.frsnca.sbcglobal.net0
172.1.23.13172-1-23-13.lightspeed.frsnca.sbcglobal.net0
172.1.23.14172-1-23-14.lightspeed.frsnca.sbcglobal.net0
172.1.23.15172-1-23-15.lightspeed.frsnca.sbcglobal.net0
172.1.23.16172-1-23-16.lightspeed.frsnca.sbcglobal.net0
172.1.23.17172-1-23-17.lightspeed.frsnca.sbcglobal.net0
172.1.23.18172-1-23-18.lightspeed.frsnca.sbcglobal.net0
172.1.23.19172-1-23-19.lightspeed.frsnca.sbcglobal.net0
172.1.23.20172-1-23-20.lightspeed.frsnca.sbcglobal.net0
172.1.23.21172-1-23-21.lightspeed.frsnca.sbcglobal.net0
172.1.23.22172-1-23-22.lightspeed.frsnca.sbcglobal.net0
172.1.23.23172-1-23-23.lightspeed.frsnca.sbcglobal.net0
172.1.23.24172-1-23-24.lightspeed.frsnca.sbcglobal.net0
172.1.23.25172-1-23-25.lightspeed.frsnca.sbcglobal.net0
172.1.23.26172-1-23-26.lightspeed.frsnca.sbcglobal.net0
172.1.23.27172-1-23-27.lightspeed.frsnca.sbcglobal.net0
172.1.23.28172-1-23-28.lightspeed.frsnca.sbcglobal.net0
172.1.23.29172-1-23-29.lightspeed.frsnca.sbcglobal.net0
172.1.23.30172-1-23-30.lightspeed.frsnca.sbcglobal.net0
172.1.23.31172-1-23-31.lightspeed.frsnca.sbcglobal.net0
172.1.23.32172-1-23-32.lightspeed.frsnca.sbcglobal.net0
172.1.23.33172-1-23-33.lightspeed.frsnca.sbcglobal.net0
172.1.23.34172-1-23-34.lightspeed.frsnca.sbcglobal.net0
172.1.23.35172-1-23-35.lightspeed.frsnca.sbcglobal.net0
172.1.23.36172-1-23-36.lightspeed.frsnca.sbcglobal.net0
172.1.23.37172-1-23-37.lightspeed.frsnca.sbcglobal.net0
172.1.23.38172-1-23-38.lightspeed.frsnca.sbcglobal.net0
172.1.23.39172-1-23-39.lightspeed.frsnca.sbcglobal.net0
172.1.23.40172-1-23-40.lightspeed.frsnca.sbcglobal.net0
172.1.23.41172-1-23-41.lightspeed.frsnca.sbcglobal.net0
172.1.23.42172-1-23-42.lightspeed.frsnca.sbcglobal.net0
172.1.23.43172-1-23-43.lightspeed.frsnca.sbcglobal.net0
172.1.23.44172-1-23-44.lightspeed.frsnca.sbcglobal.net0
172.1.23.45172-1-23-45.lightspeed.frsnca.sbcglobal.net0
172.1.23.46172-1-23-46.lightspeed.frsnca.sbcglobal.net0
172.1.23.47172-1-23-47.lightspeed.frsnca.sbcglobal.net0
172.1.23.48172-1-23-48.lightspeed.frsnca.sbcglobal.net0
172.1.23.49172-1-23-49.lightspeed.frsnca.sbcglobal.net0
172.1.23.50172-1-23-50.lightspeed.frsnca.sbcglobal.net0
172.1.23.51172-1-23-51.lightspeed.frsnca.sbcglobal.net0
172.1.23.52172-1-23-52.lightspeed.frsnca.sbcglobal.net0
172.1.23.53172-1-23-53.lightspeed.frsnca.sbcglobal.net0
172.1.23.54172-1-23-54.lightspeed.frsnca.sbcglobal.net0
172.1.23.55172-1-23-55.lightspeed.frsnca.sbcglobal.net0
172.1.23.56172-1-23-56.lightspeed.frsnca.sbcglobal.net0
172.1.23.57172-1-23-57.lightspeed.frsnca.sbcglobal.net0
172.1.23.58172-1-23-58.lightspeed.frsnca.sbcglobal.net0
172.1.23.59172-1-23-59.lightspeed.frsnca.sbcglobal.net0
172.1.23.60172-1-23-60.lightspeed.frsnca.sbcglobal.net0
172.1.23.61172-1-23-61.lightspeed.frsnca.sbcglobal.net0
172.1.23.62172-1-23-62.lightspeed.frsnca.sbcglobal.net0
172.1.23.63172-1-23-63.lightspeed.frsnca.sbcglobal.net0
172.1.23.64172-1-23-64.lightspeed.frsnca.sbcglobal.net0
172.1.23.65172-1-23-65.lightspeed.frsnca.sbcglobal.net0
172.1.23.66172-1-23-66.lightspeed.frsnca.sbcglobal.net0
172.1.23.67172-1-23-67.lightspeed.frsnca.sbcglobal.net0
172.1.23.68172-1-23-68.lightspeed.frsnca.sbcglobal.net0
172.1.23.69172-1-23-69.lightspeed.frsnca.sbcglobal.net0
172.1.23.70172-1-23-70.lightspeed.frsnca.sbcglobal.net0
172.1.23.71172-1-23-71.lightspeed.frsnca.sbcglobal.net0
172.1.23.72172-1-23-72.lightspeed.frsnca.sbcglobal.net0
172.1.23.73172-1-23-73.lightspeed.frsnca.sbcglobal.net0
172.1.23.74172-1-23-74.lightspeed.frsnca.sbcglobal.net0
172.1.23.75172-1-23-75.lightspeed.frsnca.sbcglobal.net0
172.1.23.76172-1-23-76.lightspeed.frsnca.sbcglobal.net0
172.1.23.77172-1-23-77.lightspeed.frsnca.sbcglobal.net0
172.1.23.78172-1-23-78.lightspeed.frsnca.sbcglobal.net0
172.1.23.79172-1-23-79.lightspeed.frsnca.sbcglobal.net0
172.1.23.80172-1-23-80.lightspeed.frsnca.sbcglobal.net0
172.1.23.81172-1-23-81.lightspeed.frsnca.sbcglobal.net0
172.1.23.82172-1-23-82.lightspeed.frsnca.sbcglobal.net0
172.1.23.83172-1-23-83.lightspeed.frsnca.sbcglobal.net0
172.1.23.84172-1-23-84.lightspeed.frsnca.sbcglobal.net0
172.1.23.85172-1-23-85.lightspeed.frsnca.sbcglobal.net0
172.1.23.86172-1-23-86.lightspeed.frsnca.sbcglobal.net0
172.1.23.87172-1-23-87.lightspeed.frsnca.sbcglobal.net0
172.1.23.88172-1-23-88.lightspeed.frsnca.sbcglobal.net0
172.1.23.89172-1-23-89.lightspeed.frsnca.sbcglobal.net0
172.1.23.90172-1-23-90.lightspeed.frsnca.sbcglobal.net0
172.1.23.91172-1-23-91.lightspeed.frsnca.sbcglobal.net0
172.1.23.92172-1-23-92.lightspeed.frsnca.sbcglobal.net0
172.1.23.93172-1-23-93.lightspeed.frsnca.sbcglobal.net0
172.1.23.94172-1-23-94.lightspeed.frsnca.sbcglobal.net0
172.1.23.95172-1-23-95.lightspeed.frsnca.sbcglobal.net0
172.1.23.96172-1-23-96.lightspeed.frsnca.sbcglobal.net0
172.1.23.97172-1-23-97.lightspeed.frsnca.sbcglobal.net0
172.1.23.98172-1-23-98.lightspeed.frsnca.sbcglobal.net0
172.1.23.99172-1-23-99.lightspeed.frsnca.sbcglobal.net0
172.1.23.100172-1-23-100.lightspeed.frsnca.sbcglobal.net0
172.1.23.101172-1-23-101.lightspeed.frsnca.sbcglobal.net0
172.1.23.102172-1-23-102.lightspeed.frsnca.sbcglobal.net0
172.1.23.103172-1-23-103.lightspeed.frsnca.sbcglobal.net0
172.1.23.104172-1-23-104.lightspeed.frsnca.sbcglobal.net0
172.1.23.105172-1-23-105.lightspeed.frsnca.sbcglobal.net0
172.1.23.106172-1-23-106.lightspeed.frsnca.sbcglobal.net0
172.1.23.107172-1-23-107.lightspeed.frsnca.sbcglobal.net0
172.1.23.108172-1-23-108.lightspeed.frsnca.sbcglobal.net0
172.1.23.109172-1-23-109.lightspeed.frsnca.sbcglobal.net0
172.1.23.110172-1-23-110.lightspeed.frsnca.sbcglobal.net0
172.1.23.111172-1-23-111.lightspeed.frsnca.sbcglobal.net0
172.1.23.112172-1-23-112.lightspeed.frsnca.sbcglobal.net0
172.1.23.113172-1-23-113.lightspeed.frsnca.sbcglobal.net0
172.1.23.114172-1-23-114.lightspeed.frsnca.sbcglobal.net0
172.1.23.115172-1-23-115.lightspeed.frsnca.sbcglobal.net0
172.1.23.116172-1-23-116.lightspeed.frsnca.sbcglobal.net0
172.1.23.117172-1-23-117.lightspeed.frsnca.sbcglobal.net0
172.1.23.118172-1-23-118.lightspeed.frsnca.sbcglobal.net0
172.1.23.119172-1-23-119.lightspeed.frsnca.sbcglobal.net0
172.1.23.120172-1-23-120.lightspeed.frsnca.sbcglobal.net0
172.1.23.121172-1-23-121.lightspeed.frsnca.sbcglobal.net0
172.1.23.122172-1-23-122.lightspeed.frsnca.sbcglobal.net0
172.1.23.123172-1-23-123.lightspeed.frsnca.sbcglobal.net0
172.1.23.124172-1-23-124.lightspeed.frsnca.sbcglobal.net0
172.1.23.125172-1-23-125.lightspeed.frsnca.sbcglobal.net0
172.1.23.126172-1-23-126.lightspeed.frsnca.sbcglobal.net0
172.1.23.127172-1-23-127.lightspeed.frsnca.sbcglobal.net0
172.1.23.128172-1-23-128.lightspeed.frsnca.sbcglobal.net0
172.1.23.129172-1-23-129.lightspeed.frsnca.sbcglobal.net0
172.1.23.130172-1-23-130.lightspeed.frsnca.sbcglobal.net0
172.1.23.131172-1-23-131.lightspeed.frsnca.sbcglobal.net0
172.1.23.132172-1-23-132.lightspeed.frsnca.sbcglobal.net0
172.1.23.133172-1-23-133.lightspeed.frsnca.sbcglobal.net0
172.1.23.134172-1-23-134.lightspeed.frsnca.sbcglobal.net0
172.1.23.135172-1-23-135.lightspeed.frsnca.sbcglobal.net0
172.1.23.136172-1-23-136.lightspeed.frsnca.sbcglobal.net0
172.1.23.137172-1-23-137.lightspeed.frsnca.sbcglobal.net0
172.1.23.138172-1-23-138.lightspeed.frsnca.sbcglobal.net0
172.1.23.139172-1-23-139.lightspeed.frsnca.sbcglobal.net0
172.1.23.140172-1-23-140.lightspeed.frsnca.sbcglobal.net0
172.1.23.141172-1-23-141.lightspeed.frsnca.sbcglobal.net0
172.1.23.142172-1-23-142.lightspeed.frsnca.sbcglobal.net0
172.1.23.143172-1-23-143.lightspeed.frsnca.sbcglobal.net0
172.1.23.144172-1-23-144.lightspeed.frsnca.sbcglobal.net0
172.1.23.145172-1-23-145.lightspeed.frsnca.sbcglobal.net0
172.1.23.146172-1-23-146.lightspeed.frsnca.sbcglobal.net0
172.1.23.147172-1-23-147.lightspeed.frsnca.sbcglobal.net0
172.1.23.148172-1-23-148.lightspeed.frsnca.sbcglobal.net0
172.1.23.149172-1-23-149.lightspeed.frsnca.sbcglobal.net0
172.1.23.150172-1-23-150.lightspeed.frsnca.sbcglobal.net0
172.1.23.151172-1-23-151.lightspeed.frsnca.sbcglobal.net0
172.1.23.152172-1-23-152.lightspeed.frsnca.sbcglobal.net0
172.1.23.153172-1-23-153.lightspeed.frsnca.sbcglobal.net0
172.1.23.154172-1-23-154.lightspeed.frsnca.sbcglobal.net0
172.1.23.155172-1-23-155.lightspeed.frsnca.sbcglobal.net0
172.1.23.156172-1-23-156.lightspeed.frsnca.sbcglobal.net0
172.1.23.157172-1-23-157.lightspeed.frsnca.sbcglobal.net0
172.1.23.158172-1-23-158.lightspeed.frsnca.sbcglobal.net0
172.1.23.159172-1-23-159.lightspeed.frsnca.sbcglobal.net0
172.1.23.160172-1-23-160.lightspeed.frsnca.sbcglobal.net0
172.1.23.161172-1-23-161.lightspeed.frsnca.sbcglobal.net0
172.1.23.162172-1-23-162.lightspeed.frsnca.sbcglobal.net0
172.1.23.163172-1-23-163.lightspeed.frsnca.sbcglobal.net0
172.1.23.164172-1-23-164.lightspeed.frsnca.sbcglobal.net0
172.1.23.165172-1-23-165.lightspeed.frsnca.sbcglobal.net0
172.1.23.166172-1-23-166.lightspeed.frsnca.sbcglobal.net0
172.1.23.167172-1-23-167.lightspeed.frsnca.sbcglobal.net0
172.1.23.168172-1-23-168.lightspeed.frsnca.sbcglobal.net0
172.1.23.169172-1-23-169.lightspeed.frsnca.sbcglobal.net0
172.1.23.170172-1-23-170.lightspeed.frsnca.sbcglobal.net0
172.1.23.171172-1-23-171.lightspeed.frsnca.sbcglobal.net0
172.1.23.172172-1-23-172.lightspeed.frsnca.sbcglobal.net0
172.1.23.173172-1-23-173.lightspeed.frsnca.sbcglobal.net0
172.1.23.174172-1-23-174.lightspeed.frsnca.sbcglobal.net0
172.1.23.175172-1-23-175.lightspeed.frsnca.sbcglobal.net0
172.1.23.176172-1-23-176.lightspeed.frsnca.sbcglobal.net0
172.1.23.177172-1-23-177.lightspeed.frsnca.sbcglobal.net0
172.1.23.178172-1-23-178.lightspeed.frsnca.sbcglobal.net0
172.1.23.179172-1-23-179.lightspeed.frsnca.sbcglobal.net0
172.1.23.180172-1-23-180.lightspeed.frsnca.sbcglobal.net0
172.1.23.181172-1-23-181.lightspeed.frsnca.sbcglobal.net0
172.1.23.182172-1-23-182.lightspeed.frsnca.sbcglobal.net0
172.1.23.183172-1-23-183.lightspeed.frsnca.sbcglobal.net0
172.1.23.184172-1-23-184.lightspeed.frsnca.sbcglobal.net0
172.1.23.185172-1-23-185.lightspeed.frsnca.sbcglobal.net0
172.1.23.186172-1-23-186.lightspeed.frsnca.sbcglobal.net0
172.1.23.187172-1-23-187.lightspeed.frsnca.sbcglobal.net0
172.1.23.188172-1-23-188.lightspeed.frsnca.sbcglobal.net0
172.1.23.189172-1-23-189.lightspeed.frsnca.sbcglobal.net0
172.1.23.190172-1-23-190.lightspeed.frsnca.sbcglobal.net0
172.1.23.191172-1-23-191.lightspeed.frsnca.sbcglobal.net0
172.1.23.192172-1-23-192.lightspeed.frsnca.sbcglobal.net0
172.1.23.193172-1-23-193.lightspeed.frsnca.sbcglobal.net0
172.1.23.194172-1-23-194.lightspeed.frsnca.sbcglobal.net0
172.1.23.195172-1-23-195.lightspeed.frsnca.sbcglobal.net0
172.1.23.196172-1-23-196.lightspeed.frsnca.sbcglobal.net0
172.1.23.197172-1-23-197.lightspeed.frsnca.sbcglobal.net0
172.1.23.198172-1-23-198.lightspeed.frsnca.sbcglobal.net0
172.1.23.199172-1-23-199.lightspeed.frsnca.sbcglobal.net0
172.1.23.200172-1-23-200.lightspeed.frsnca.sbcglobal.net0
172.1.23.201172-1-23-201.lightspeed.frsnca.sbcglobal.net0
172.1.23.202172-1-23-202.lightspeed.frsnca.sbcglobal.net0
172.1.23.203172-1-23-203.lightspeed.frsnca.sbcglobal.net0
172.1.23.204172-1-23-204.lightspeed.frsnca.sbcglobal.net0
172.1.23.205172-1-23-205.lightspeed.frsnca.sbcglobal.net0
172.1.23.206172-1-23-206.lightspeed.frsnca.sbcglobal.net0
172.1.23.207172-1-23-207.lightspeed.frsnca.sbcglobal.net0
172.1.23.208172-1-23-208.lightspeed.frsnca.sbcglobal.net0
172.1.23.209172-1-23-209.lightspeed.frsnca.sbcglobal.net0
172.1.23.210172-1-23-210.lightspeed.frsnca.sbcglobal.net0
172.1.23.211172-1-23-211.lightspeed.frsnca.sbcglobal.net0
172.1.23.212172-1-23-212.lightspeed.frsnca.sbcglobal.net0
172.1.23.213172-1-23-213.lightspeed.frsnca.sbcglobal.net0
172.1.23.214172-1-23-214.lightspeed.frsnca.sbcglobal.net0
172.1.23.215172-1-23-215.lightspeed.frsnca.sbcglobal.net0
172.1.23.216172-1-23-216.lightspeed.frsnca.sbcglobal.net0
172.1.23.217172-1-23-217.lightspeed.frsnca.sbcglobal.net0
172.1.23.218172-1-23-218.lightspeed.frsnca.sbcglobal.net0
172.1.23.219172-1-23-219.lightspeed.frsnca.sbcglobal.net0
172.1.23.220172-1-23-220.lightspeed.frsnca.sbcglobal.net0
172.1.23.221172-1-23-221.lightspeed.frsnca.sbcglobal.net0
172.1.23.222172-1-23-222.lightspeed.frsnca.sbcglobal.net0
172.1.23.223172-1-23-223.lightspeed.frsnca.sbcglobal.net0
172.1.23.224172-1-23-224.lightspeed.frsnca.sbcglobal.net0
172.1.23.225172-1-23-225.lightspeed.frsnca.sbcglobal.net0
172.1.23.226172-1-23-226.lightspeed.frsnca.sbcglobal.net0
172.1.23.227172-1-23-227.lightspeed.frsnca.sbcglobal.net0
172.1.23.228172-1-23-228.lightspeed.frsnca.sbcglobal.net0
172.1.23.229172-1-23-229.lightspeed.frsnca.sbcglobal.net0
172.1.23.230172-1-23-230.lightspeed.frsnca.sbcglobal.net0
172.1.23.231172-1-23-231.lightspeed.frsnca.sbcglobal.net0
172.1.23.232172-1-23-232.lightspeed.frsnca.sbcglobal.net0
172.1.23.233172-1-23-233.lightspeed.frsnca.sbcglobal.net0
172.1.23.234172-1-23-234.lightspeed.frsnca.sbcglobal.net0
172.1.23.235172-1-23-235.lightspeed.frsnca.sbcglobal.net0
172.1.23.236172-1-23-236.lightspeed.frsnca.sbcglobal.net0
172.1.23.237172-1-23-237.lightspeed.frsnca.sbcglobal.net0
172.1.23.238172-1-23-238.lightspeed.frsnca.sbcglobal.net0
172.1.23.239172-1-23-239.lightspeed.frsnca.sbcglobal.net0
172.1.23.240172-1-23-240.lightspeed.frsnca.sbcglobal.net0
172.1.23.241172-1-23-241.lightspeed.frsnca.sbcglobal.net0
172.1.23.242172-1-23-242.lightspeed.frsnca.sbcglobal.net0
172.1.23.243172-1-23-243.lightspeed.frsnca.sbcglobal.net0
172.1.23.244172-1-23-244.lightspeed.frsnca.sbcglobal.net0
172.1.23.245172-1-23-245.lightspeed.frsnca.sbcglobal.net0
172.1.23.246172-1-23-246.lightspeed.frsnca.sbcglobal.net0
172.1.23.247172-1-23-247.lightspeed.frsnca.sbcglobal.net0
172.1.23.248172-1-23-248.lightspeed.frsnca.sbcglobal.net0
172.1.23.249172-1-23-249.lightspeed.frsnca.sbcglobal.net0
172.1.23.250172-1-23-250.lightspeed.frsnca.sbcglobal.net0
172.1.23.251172-1-23-251.lightspeed.frsnca.sbcglobal.net0
172.1.23.252172-1-23-252.lightspeed.frsnca.sbcglobal.net0
172.1.23.253172-1-23-253.lightspeed.frsnca.sbcglobal.net0
172.1.23.254172-1-23-254.lightspeed.frsnca.sbcglobal.net0
172.1.23.255172-1-23-255.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 -f7 -m10 172.1.23.238
traceroute to 172.1.23.238 (172.1.23.238): 10 hops max, 52 byte packets
7 [AS3356] 4.69.209.110 2.026 ms
8 *
9 *
10 *
Measurement taken from  IPinfo ProbeNet in Dallas, US
On