IPinfo - Comprehensive IP address data, IP geolocation API and database
  1. All IP Ranges
  2. 172.0.0.0/8
  3. 172.126.0.0/16
  4. 172.126.21.0/24

172.126.21.0/24 IP Range

Summary

ASNAS7018 AT&T Enterprises, LLC
BGP172.124.0.0/14
IPs with RDNS256
Hosted Domains0
Pingable IPs1
Router IPs0
172.126.21.0172-126-21-0.lightspeed.rcsntx.sbcglobal.net0
172.126.21.1172-126-21-1.lightspeed.rcsntx.sbcglobal.net0
172.126.21.2172-126-21-2.lightspeed.rcsntx.sbcglobal.net0
172.126.21.3172-126-21-3.lightspeed.rcsntx.sbcglobal.net0
172.126.21.4172-126-21-4.lightspeed.rcsntx.sbcglobal.net0
172.126.21.5172-126-21-5.lightspeed.rcsntx.sbcglobal.net0
172.126.21.6172-126-21-6.lightspeed.rcsntx.sbcglobal.net0
172.126.21.7172-126-21-7.lightspeed.rcsntx.sbcglobal.net0
172.126.21.8172-126-21-8.lightspeed.rcsntx.sbcglobal.net0
172.126.21.9172-126-21-9.lightspeed.rcsntx.sbcglobal.net0
172.126.21.10172-126-21-10.lightspeed.rcsntx.sbcglobal.net0
172.126.21.11172-126-21-11.lightspeed.rcsntx.sbcglobal.net0
172.126.21.12172-126-21-12.lightspeed.rcsntx.sbcglobal.net0
172.126.21.13172-126-21-13.lightspeed.rcsntx.sbcglobal.net0
172.126.21.14172-126-21-14.lightspeed.rcsntx.sbcglobal.net0
172.126.21.15172-126-21-15.lightspeed.rcsntx.sbcglobal.net0
172.126.21.16172-126-21-16.lightspeed.rcsntx.sbcglobal.net0
172.126.21.17172-126-21-17.lightspeed.rcsntx.sbcglobal.net0
172.126.21.18172-126-21-18.lightspeed.rcsntx.sbcglobal.net0
172.126.21.19172-126-21-19.lightspeed.rcsntx.sbcglobal.net0
172.126.21.20172-126-21-20.lightspeed.rcsntx.sbcglobal.net0
172.126.21.21172-126-21-21.lightspeed.rcsntx.sbcglobal.net0
172.126.21.22172-126-21-22.lightspeed.rcsntx.sbcglobal.net0
172.126.21.23172-126-21-23.lightspeed.rcsntx.sbcglobal.net0
172.126.21.24172-126-21-24.lightspeed.rcsntx.sbcglobal.net0
172.126.21.25172-126-21-25.lightspeed.rcsntx.sbcglobal.net0
172.126.21.26172-126-21-26.lightspeed.rcsntx.sbcglobal.net0
172.126.21.27172-126-21-27.lightspeed.rcsntx.sbcglobal.net0
172.126.21.28172-126-21-28.lightspeed.rcsntx.sbcglobal.net0
172.126.21.29172-126-21-29.lightspeed.rcsntx.sbcglobal.net0
172.126.21.30172-126-21-30.lightspeed.rcsntx.sbcglobal.net0
172.126.21.31172-126-21-31.lightspeed.rcsntx.sbcglobal.net0
172.126.21.32172-126-21-32.lightspeed.rcsntx.sbcglobal.net0
172.126.21.33172-126-21-33.lightspeed.rcsntx.sbcglobal.net0
172.126.21.34172-126-21-34.lightspeed.rcsntx.sbcglobal.net0
172.126.21.35172-126-21-35.lightspeed.rcsntx.sbcglobal.net0
172.126.21.36172-126-21-36.lightspeed.rcsntx.sbcglobal.net0
172.126.21.37172-126-21-37.lightspeed.rcsntx.sbcglobal.net0
172.126.21.38172-126-21-38.lightspeed.rcsntx.sbcglobal.net0
172.126.21.39172-126-21-39.lightspeed.rcsntx.sbcglobal.net0
172.126.21.40172-126-21-40.lightspeed.rcsntx.sbcglobal.net0
172.126.21.41172-126-21-41.lightspeed.rcsntx.sbcglobal.net0
172.126.21.42172-126-21-42.lightspeed.rcsntx.sbcglobal.net0
172.126.21.43172-126-21-43.lightspeed.rcsntx.sbcglobal.net0
172.126.21.44172-126-21-44.lightspeed.rcsntx.sbcglobal.net0
172.126.21.45172-126-21-45.lightspeed.rcsntx.sbcglobal.net0
172.126.21.46172-126-21-46.lightspeed.rcsntx.sbcglobal.net0
172.126.21.47172-126-21-47.lightspeed.rcsntx.sbcglobal.net0
172.126.21.48172-126-21-48.lightspeed.rcsntx.sbcglobal.net0
172.126.21.49172-126-21-49.lightspeed.rcsntx.sbcglobal.net0
172.126.21.50172-126-21-50.lightspeed.rcsntx.sbcglobal.net0
172.126.21.51172-126-21-51.lightspeed.rcsntx.sbcglobal.net0
172.126.21.52172-126-21-52.lightspeed.rcsntx.sbcglobal.net0
172.126.21.53172-126-21-53.lightspeed.rcsntx.sbcglobal.net0
172.126.21.54172-126-21-54.lightspeed.rcsntx.sbcglobal.net0
172.126.21.55172-126-21-55.lightspeed.rcsntx.sbcglobal.net0
172.126.21.56172-126-21-56.lightspeed.rcsntx.sbcglobal.net0
172.126.21.57172-126-21-57.lightspeed.rcsntx.sbcglobal.net0
172.126.21.58172-126-21-58.lightspeed.rcsntx.sbcglobal.net0
172.126.21.59172-126-21-59.lightspeed.rcsntx.sbcglobal.net0
172.126.21.60172-126-21-60.lightspeed.rcsntx.sbcglobal.net0
172.126.21.61172-126-21-61.lightspeed.rcsntx.sbcglobal.net0
172.126.21.62172-126-21-62.lightspeed.rcsntx.sbcglobal.net0
172.126.21.63172-126-21-63.lightspeed.rcsntx.sbcglobal.net0
172.126.21.64172-126-21-64.lightspeed.rcsntx.sbcglobal.net0
172.126.21.65172-126-21-65.lightspeed.rcsntx.sbcglobal.net0
172.126.21.66172-126-21-66.lightspeed.rcsntx.sbcglobal.net0
172.126.21.67172-126-21-67.lightspeed.rcsntx.sbcglobal.net0
172.126.21.68172-126-21-68.lightspeed.rcsntx.sbcglobal.net0
172.126.21.69172-126-21-69.lightspeed.rcsntx.sbcglobal.net0
172.126.21.70172-126-21-70.lightspeed.rcsntx.sbcglobal.net0
172.126.21.71172-126-21-71.lightspeed.rcsntx.sbcglobal.net0
172.126.21.72172-126-21-72.lightspeed.rcsntx.sbcglobal.net0
172.126.21.73172-126-21-73.lightspeed.rcsntx.sbcglobal.net0
172.126.21.74172-126-21-74.lightspeed.rcsntx.sbcglobal.net0
172.126.21.75172-126-21-75.lightspeed.rcsntx.sbcglobal.net0
172.126.21.76172-126-21-76.lightspeed.rcsntx.sbcglobal.net0
172.126.21.77172-126-21-77.lightspeed.rcsntx.sbcglobal.net0
172.126.21.78172-126-21-78.lightspeed.rcsntx.sbcglobal.net0
172.126.21.79172-126-21-79.lightspeed.rcsntx.sbcglobal.net0
172.126.21.80172-126-21-80.lightspeed.rcsntx.sbcglobal.net0
172.126.21.81172-126-21-81.lightspeed.rcsntx.sbcglobal.net0
172.126.21.82172-126-21-82.lightspeed.rcsntx.sbcglobal.net0
172.126.21.83172-126-21-83.lightspeed.rcsntx.sbcglobal.net0
172.126.21.84172-126-21-84.lightspeed.rcsntx.sbcglobal.net0
172.126.21.85172-126-21-85.lightspeed.rcsntx.sbcglobal.net0
172.126.21.86172-126-21-86.lightspeed.rcsntx.sbcglobal.net0
172.126.21.87172-126-21-87.lightspeed.rcsntx.sbcglobal.net0
172.126.21.88172-126-21-88.lightspeed.rcsntx.sbcglobal.net0
172.126.21.89172-126-21-89.lightspeed.rcsntx.sbcglobal.net0
172.126.21.90172-126-21-90.lightspeed.rcsntx.sbcglobal.net0
172.126.21.91172-126-21-91.lightspeed.rcsntx.sbcglobal.net0
172.126.21.92172-126-21-92.lightspeed.rcsntx.sbcglobal.net0
172.126.21.93172-126-21-93.lightspeed.rcsntx.sbcglobal.net0
172.126.21.94172-126-21-94.lightspeed.rcsntx.sbcglobal.net0
172.126.21.95172-126-21-95.lightspeed.rcsntx.sbcglobal.net0
172.126.21.96172-126-21-96.lightspeed.rcsntx.sbcglobal.net0
172.126.21.97172-126-21-97.lightspeed.rcsntx.sbcglobal.net0
172.126.21.98172-126-21-98.lightspeed.rcsntx.sbcglobal.net0
172.126.21.99172-126-21-99.lightspeed.rcsntx.sbcglobal.net0
172.126.21.100172-126-21-100.lightspeed.rcsntx.sbcglobal.net0
172.126.21.101172-126-21-101.lightspeed.rcsntx.sbcglobal.net0
172.126.21.102172-126-21-102.lightspeed.rcsntx.sbcglobal.net0
172.126.21.103172-126-21-103.lightspeed.rcsntx.sbcglobal.net0
172.126.21.104172-126-21-104.lightspeed.rcsntx.sbcglobal.net0
172.126.21.105172-126-21-105.lightspeed.rcsntx.sbcglobal.net0
172.126.21.106172-126-21-106.lightspeed.rcsntx.sbcglobal.net0
172.126.21.107172-126-21-107.lightspeed.rcsntx.sbcglobal.net0
172.126.21.108172-126-21-108.lightspeed.rcsntx.sbcglobal.net0
172.126.21.109172-126-21-109.lightspeed.rcsntx.sbcglobal.net0
172.126.21.110172-126-21-110.lightspeed.rcsntx.sbcglobal.net0
172.126.21.111172-126-21-111.lightspeed.rcsntx.sbcglobal.net0
172.126.21.112172-126-21-112.lightspeed.rcsntx.sbcglobal.net0
172.126.21.113172-126-21-113.lightspeed.rcsntx.sbcglobal.net0
172.126.21.114172-126-21-114.lightspeed.rcsntx.sbcglobal.net0
172.126.21.115172-126-21-115.lightspeed.rcsntx.sbcglobal.net0
172.126.21.116172-126-21-116.lightspeed.rcsntx.sbcglobal.net0
172.126.21.117172-126-21-117.lightspeed.rcsntx.sbcglobal.net0
172.126.21.118172-126-21-118.lightspeed.rcsntx.sbcglobal.net0
172.126.21.119172-126-21-119.lightspeed.rcsntx.sbcglobal.net0
172.126.21.120172-126-21-120.lightspeed.rcsntx.sbcglobal.net0
172.126.21.121172-126-21-121.lightspeed.rcsntx.sbcglobal.net0
172.126.21.122172-126-21-122.lightspeed.rcsntx.sbcglobal.net0
172.126.21.123172-126-21-123.lightspeed.rcsntx.sbcglobal.net0
172.126.21.124172-126-21-124.lightspeed.rcsntx.sbcglobal.net0
172.126.21.125172-126-21-125.lightspeed.rcsntx.sbcglobal.net0
172.126.21.126172-126-21-126.lightspeed.rcsntx.sbcglobal.net0
172.126.21.127172-126-21-127.lightspeed.rcsntx.sbcglobal.net0
172.126.21.128172-126-21-128.lightspeed.rcsntx.sbcglobal.net0
172.126.21.129172-126-21-129.lightspeed.rcsntx.sbcglobal.net0
172.126.21.130172-126-21-130.lightspeed.rcsntx.sbcglobal.net0
172.126.21.131172-126-21-131.lightspeed.rcsntx.sbcglobal.net0
172.126.21.132172-126-21-132.lightspeed.rcsntx.sbcglobal.net0
172.126.21.133172-126-21-133.lightspeed.rcsntx.sbcglobal.net0
172.126.21.134172-126-21-134.lightspeed.rcsntx.sbcglobal.net0
172.126.21.135172-126-21-135.lightspeed.rcsntx.sbcglobal.net0
172.126.21.136172-126-21-136.lightspeed.rcsntx.sbcglobal.net0
172.126.21.137172-126-21-137.lightspeed.rcsntx.sbcglobal.net0
172.126.21.138172-126-21-138.lightspeed.rcsntx.sbcglobal.net0
172.126.21.139172-126-21-139.lightspeed.rcsntx.sbcglobal.net0
172.126.21.140172-126-21-140.lightspeed.rcsntx.sbcglobal.net0
172.126.21.141172-126-21-141.lightspeed.rcsntx.sbcglobal.net0
172.126.21.142172-126-21-142.lightspeed.rcsntx.sbcglobal.net0
172.126.21.143172-126-21-143.lightspeed.rcsntx.sbcglobal.net0
172.126.21.144172-126-21-144.lightspeed.rcsntx.sbcglobal.net0
172.126.21.145172-126-21-145.lightspeed.rcsntx.sbcglobal.net0
172.126.21.146172-126-21-146.lightspeed.rcsntx.sbcglobal.net0
172.126.21.147172-126-21-147.lightspeed.rcsntx.sbcglobal.net0
172.126.21.148172-126-21-148.lightspeed.rcsntx.sbcglobal.net0
172.126.21.149172-126-21-149.lightspeed.rcsntx.sbcglobal.net0
172.126.21.150172-126-21-150.lightspeed.rcsntx.sbcglobal.net0
172.126.21.151172-126-21-151.lightspeed.rcsntx.sbcglobal.net0
172.126.21.152172-126-21-152.lightspeed.rcsntx.sbcglobal.net0
172.126.21.153172-126-21-153.lightspeed.rcsntx.sbcglobal.net0
172.126.21.154172-126-21-154.lightspeed.rcsntx.sbcglobal.net0
172.126.21.155172-126-21-155.lightspeed.rcsntx.sbcglobal.net0
172.126.21.156172-126-21-156.lightspeed.rcsntx.sbcglobal.net0
172.126.21.157172-126-21-157.lightspeed.rcsntx.sbcglobal.net0
172.126.21.158172-126-21-158.lightspeed.rcsntx.sbcglobal.net0
172.126.21.159172-126-21-159.lightspeed.rcsntx.sbcglobal.net0
172.126.21.160172-126-21-160.lightspeed.rcsntx.sbcglobal.net0
172.126.21.161172-126-21-161.lightspeed.rcsntx.sbcglobal.net0
172.126.21.162172-126-21-162.lightspeed.rcsntx.sbcglobal.net0
172.126.21.163172-126-21-163.lightspeed.rcsntx.sbcglobal.net0
172.126.21.164172-126-21-164.lightspeed.rcsntx.sbcglobal.net0
172.126.21.165172-126-21-165.lightspeed.rcsntx.sbcglobal.net0
172.126.21.166172-126-21-166.lightspeed.rcsntx.sbcglobal.net0
172.126.21.167172-126-21-167.lightspeed.rcsntx.sbcglobal.net0
172.126.21.168172-126-21-168.lightspeed.rcsntx.sbcglobal.net0
172.126.21.169172-126-21-169.lightspeed.rcsntx.sbcglobal.net0
172.126.21.170172-126-21-170.lightspeed.rcsntx.sbcglobal.net0
172.126.21.171172-126-21-171.lightspeed.rcsntx.sbcglobal.net0
172.126.21.172172-126-21-172.lightspeed.rcsntx.sbcglobal.net0
172.126.21.173172-126-21-173.lightspeed.rcsntx.sbcglobal.net0
172.126.21.174172-126-21-174.lightspeed.rcsntx.sbcglobal.net0
172.126.21.175172-126-21-175.lightspeed.rcsntx.sbcglobal.net0
172.126.21.176172-126-21-176.lightspeed.rcsntx.sbcglobal.net0
172.126.21.177172-126-21-177.lightspeed.rcsntx.sbcglobal.net0
172.126.21.178172-126-21-178.lightspeed.rcsntx.sbcglobal.net0
172.126.21.179172-126-21-179.lightspeed.rcsntx.sbcglobal.net0
172.126.21.180172-126-21-180.lightspeed.rcsntx.sbcglobal.net0
172.126.21.181172-126-21-181.lightspeed.rcsntx.sbcglobal.net0
172.126.21.182172-126-21-182.lightspeed.rcsntx.sbcglobal.net0
172.126.21.183172-126-21-183.lightspeed.rcsntx.sbcglobal.net0
172.126.21.184172-126-21-184.lightspeed.rcsntx.sbcglobal.net0
172.126.21.185172-126-21-185.lightspeed.rcsntx.sbcglobal.net0
172.126.21.186172-126-21-186.lightspeed.rcsntx.sbcglobal.net0
172.126.21.187172-126-21-187.lightspeed.rcsntx.sbcglobal.net0
172.126.21.188172-126-21-188.lightspeed.rcsntx.sbcglobal.net0
172.126.21.189172-126-21-189.lightspeed.rcsntx.sbcglobal.net0
172.126.21.190172-126-21-190.lightspeed.rcsntx.sbcglobal.net0
172.126.21.191172-126-21-191.lightspeed.rcsntx.sbcglobal.net0
172.126.21.192172-126-21-192.lightspeed.rcsntx.sbcglobal.net0
172.126.21.193172-126-21-193.lightspeed.rcsntx.sbcglobal.net0
172.126.21.194172-126-21-194.lightspeed.rcsntx.sbcglobal.net0
172.126.21.195172-126-21-195.lightspeed.rcsntx.sbcglobal.net0
172.126.21.196172-126-21-196.lightspeed.rcsntx.sbcglobal.net0
172.126.21.197172-126-21-197.lightspeed.rcsntx.sbcglobal.net0
172.126.21.198172-126-21-198.lightspeed.rcsntx.sbcglobal.net0
172.126.21.199172-126-21-199.lightspeed.rcsntx.sbcglobal.net0
172.126.21.200172-126-21-200.lightspeed.rcsntx.sbcglobal.net0
172.126.21.201172-126-21-201.lightspeed.rcsntx.sbcglobal.net0
172.126.21.202172-126-21-202.lightspeed.rcsntx.sbcglobal.net0
172.126.21.203172-126-21-203.lightspeed.rcsntx.sbcglobal.net0
172.126.21.204172-126-21-204.lightspeed.rcsntx.sbcglobal.net0
172.126.21.205172-126-21-205.lightspeed.rcsntx.sbcglobal.net0
172.126.21.206172-126-21-206.lightspeed.rcsntx.sbcglobal.net0
172.126.21.207172-126-21-207.lightspeed.rcsntx.sbcglobal.net0
172.126.21.208172-126-21-208.lightspeed.rcsntx.sbcglobal.net0
172.126.21.209172-126-21-209.lightspeed.rcsntx.sbcglobal.net0
172.126.21.210172-126-21-210.lightspeed.rcsntx.sbcglobal.net0
172.126.21.211172-126-21-211.lightspeed.rcsntx.sbcglobal.net0
172.126.21.212172-126-21-212.lightspeed.rcsntx.sbcglobal.net0
172.126.21.213172-126-21-213.lightspeed.rcsntx.sbcglobal.net0
172.126.21.214172-126-21-214.lightspeed.rcsntx.sbcglobal.net0
172.126.21.215172-126-21-215.lightspeed.rcsntx.sbcglobal.net0
172.126.21.216172-126-21-216.lightspeed.rcsntx.sbcglobal.net0
172.126.21.217172-126-21-217.lightspeed.rcsntx.sbcglobal.net0
172.126.21.218172-126-21-218.lightspeed.rcsntx.sbcglobal.net0
172.126.21.219172-126-21-219.lightspeed.rcsntx.sbcglobal.net0
172.126.21.220172-126-21-220.lightspeed.rcsntx.sbcglobal.net0
172.126.21.221172-126-21-221.lightspeed.rcsntx.sbcglobal.net0
172.126.21.222172-126-21-222.lightspeed.rcsntx.sbcglobal.net0
172.126.21.223172-126-21-223.lightspeed.rcsntx.sbcglobal.net0
172.126.21.224172-126-21-224.lightspeed.rcsntx.sbcglobal.net0
172.126.21.225172-126-21-225.lightspeed.rcsntx.sbcglobal.net0
172.126.21.226172-126-21-226.lightspeed.rcsntx.sbcglobal.net0
172.126.21.227172-126-21-227.lightspeed.rcsntx.sbcglobal.net0
172.126.21.228172-126-21-228.lightspeed.rcsntx.sbcglobal.net0
172.126.21.229172-126-21-229.lightspeed.rcsntx.sbcglobal.net0
172.126.21.230172-126-21-230.lightspeed.rcsntx.sbcglobal.net0
172.126.21.231172-126-21-231.lightspeed.rcsntx.sbcglobal.net0
172.126.21.232172-126-21-232.lightspeed.rcsntx.sbcglobal.net0
172.126.21.233172-126-21-233.lightspeed.rcsntx.sbcglobal.net0
172.126.21.234172-126-21-234.lightspeed.rcsntx.sbcglobal.net0
172.126.21.235172-126-21-235.lightspeed.rcsntx.sbcglobal.net0
172.126.21.236172-126-21-236.lightspeed.rcsntx.sbcglobal.net0
172.126.21.237172-126-21-237.lightspeed.rcsntx.sbcglobal.net0
172.126.21.238172-126-21-238.lightspeed.rcsntx.sbcglobal.net0
172.126.21.239172-126-21-239.lightspeed.rcsntx.sbcglobal.net0
172.126.21.240172-126-21-240.lightspeed.rcsntx.sbcglobal.net0
172.126.21.241172-126-21-241.lightspeed.rcsntx.sbcglobal.net0
172.126.21.242172-126-21-242.lightspeed.rcsntx.sbcglobal.net0
172.126.21.243172-126-21-243.lightspeed.rcsntx.sbcglobal.net0
172.126.21.244172-126-21-244.lightspeed.rcsntx.sbcglobal.net0
172.126.21.245172-126-21-245.lightspeed.rcsntx.sbcglobal.net0
172.126.21.246172-126-21-246.lightspeed.rcsntx.sbcglobal.net0
172.126.21.247172-126-21-247.lightspeed.rcsntx.sbcglobal.net0
172.126.21.248172-126-21-248.lightspeed.rcsntx.sbcglobal.net0
172.126.21.249172-126-21-249.lightspeed.rcsntx.sbcglobal.net0
172.126.21.250172-126-21-250.lightspeed.rcsntx.sbcglobal.net0
172.126.21.251172-126-21-251.lightspeed.rcsntx.sbcglobal.net0
172.126.21.252172-126-21-252.lightspeed.rcsntx.sbcglobal.net0
172.126.21.253172-126-21-253.lightspeed.rcsntx.sbcglobal.net0
172.126.21.254172-126-21-254.lightspeed.rcsntx.sbcglobal.net0
172.126.21.255172-126-21-255.lightspeed.rcsntx.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 -f3 -m8 172.126.21.52
traceroute to 172.126.21.52 (172.126.21.52): 8 hops max, 52 byte packets
5 [AS7018] 192.205.32.233 2.252 ms
6 *
7 *
8 *
Measurement taken from  IPinfo ProbeNet in Dallas, US
On