IPinfo - Comprehensive IP address data, IP geolocation API and database
  1. All IP Ranges
  2. 172.0.0.0/8
  3. 172.127.0.0/16
  4. 172.127.21.0/24

172.127.21.0/24 IP Range

Summary

ASNAS7018 AT&T Enterprises, LLC
BGP172.124.0.0/14
IPs with RDNS256
Hosted Domains0
Pingable IPs6
Router IPs0
172.127.21.0172-127-21-0.lightspeed.rlghnc.sbcglobal.net0
172.127.21.1172-127-21-1.lightspeed.rlghnc.sbcglobal.net0
172.127.21.2172-127-21-2.lightspeed.rlghnc.sbcglobal.net0
172.127.21.3172-127-21-3.lightspeed.rlghnc.sbcglobal.net0
172.127.21.4172-127-21-4.lightspeed.rlghnc.sbcglobal.net0
172.127.21.5172-127-21-5.lightspeed.rlghnc.sbcglobal.net0
172.127.21.6172-127-21-6.lightspeed.rlghnc.sbcglobal.net0
172.127.21.7172-127-21-7.lightspeed.rlghnc.sbcglobal.net0
172.127.21.8172-127-21-8.lightspeed.rlghnc.sbcglobal.net0
172.127.21.9172-127-21-9.lightspeed.rlghnc.sbcglobal.net0
172.127.21.10172-127-21-10.lightspeed.rlghnc.sbcglobal.net0
172.127.21.11172-127-21-11.lightspeed.rlghnc.sbcglobal.net0
172.127.21.12172-127-21-12.lightspeed.rlghnc.sbcglobal.net0
172.127.21.13172-127-21-13.lightspeed.rlghnc.sbcglobal.net0
172.127.21.14172-127-21-14.lightspeed.rlghnc.sbcglobal.net0
172.127.21.15172-127-21-15.lightspeed.rlghnc.sbcglobal.net0
172.127.21.16172-127-21-16.lightspeed.rlghnc.sbcglobal.net0
172.127.21.17172-127-21-17.lightspeed.rlghnc.sbcglobal.net0
172.127.21.18172-127-21-18.lightspeed.rlghnc.sbcglobal.net0
172.127.21.19172-127-21-19.lightspeed.rlghnc.sbcglobal.net0
172.127.21.20172-127-21-20.lightspeed.rlghnc.sbcglobal.net0
172.127.21.21172-127-21-21.lightspeed.rlghnc.sbcglobal.net0
172.127.21.22172-127-21-22.lightspeed.rlghnc.sbcglobal.net0
172.127.21.23172-127-21-23.lightspeed.rlghnc.sbcglobal.net0
172.127.21.24172-127-21-24.lightspeed.rlghnc.sbcglobal.net0
172.127.21.25172-127-21-25.lightspeed.rlghnc.sbcglobal.net0
172.127.21.26172-127-21-26.lightspeed.rlghnc.sbcglobal.net0
172.127.21.27172-127-21-27.lightspeed.rlghnc.sbcglobal.net0
172.127.21.28172-127-21-28.lightspeed.rlghnc.sbcglobal.net0
172.127.21.29172-127-21-29.lightspeed.rlghnc.sbcglobal.net0
172.127.21.30172-127-21-30.lightspeed.rlghnc.sbcglobal.net0
172.127.21.31172-127-21-31.lightspeed.rlghnc.sbcglobal.net0
172.127.21.32172-127-21-32.lightspeed.rlghnc.sbcglobal.net0
172.127.21.33172-127-21-33.lightspeed.rlghnc.sbcglobal.net0
172.127.21.34172-127-21-34.lightspeed.rlghnc.sbcglobal.net0
172.127.21.35172-127-21-35.lightspeed.rlghnc.sbcglobal.net0
172.127.21.36172-127-21-36.lightspeed.rlghnc.sbcglobal.net0
172.127.21.37172-127-21-37.lightspeed.rlghnc.sbcglobal.net0
172.127.21.38172-127-21-38.lightspeed.rlghnc.sbcglobal.net0
172.127.21.39172-127-21-39.lightspeed.rlghnc.sbcglobal.net0
172.127.21.40172-127-21-40.lightspeed.rlghnc.sbcglobal.net0
172.127.21.41172-127-21-41.lightspeed.rlghnc.sbcglobal.net0
172.127.21.42172-127-21-42.lightspeed.rlghnc.sbcglobal.net0
172.127.21.43172-127-21-43.lightspeed.rlghnc.sbcglobal.net0
172.127.21.44172-127-21-44.lightspeed.rlghnc.sbcglobal.net0
172.127.21.45172-127-21-45.lightspeed.rlghnc.sbcglobal.net0
172.127.21.46172-127-21-46.lightspeed.rlghnc.sbcglobal.net0
172.127.21.47172-127-21-47.lightspeed.rlghnc.sbcglobal.net0
172.127.21.48172-127-21-48.lightspeed.rlghnc.sbcglobal.net0
172.127.21.49172-127-21-49.lightspeed.rlghnc.sbcglobal.net0
172.127.21.50172-127-21-50.lightspeed.rlghnc.sbcglobal.net0
172.127.21.51172-127-21-51.lightspeed.rlghnc.sbcglobal.net0
172.127.21.52172-127-21-52.lightspeed.rlghnc.sbcglobal.net0
172.127.21.53172-127-21-53.lightspeed.rlghnc.sbcglobal.net0
172.127.21.54172-127-21-54.lightspeed.rlghnc.sbcglobal.net0
172.127.21.55172-127-21-55.lightspeed.rlghnc.sbcglobal.net0
172.127.21.56172-127-21-56.lightspeed.rlghnc.sbcglobal.net0
172.127.21.57172-127-21-57.lightspeed.rlghnc.sbcglobal.net0
172.127.21.58172-127-21-58.lightspeed.rlghnc.sbcglobal.net0
172.127.21.59172-127-21-59.lightspeed.rlghnc.sbcglobal.net0
172.127.21.60172-127-21-60.lightspeed.rlghnc.sbcglobal.net0
172.127.21.61172-127-21-61.lightspeed.rlghnc.sbcglobal.net0
172.127.21.62172-127-21-62.lightspeed.rlghnc.sbcglobal.net0
172.127.21.63172-127-21-63.lightspeed.rlghnc.sbcglobal.net0
172.127.21.64172-127-21-64.lightspeed.rlghnc.sbcglobal.net0
172.127.21.65172-127-21-65.lightspeed.rlghnc.sbcglobal.net0
172.127.21.66172-127-21-66.lightspeed.rlghnc.sbcglobal.net0
172.127.21.67172-127-21-67.lightspeed.rlghnc.sbcglobal.net0
172.127.21.68172-127-21-68.lightspeed.rlghnc.sbcglobal.net0
172.127.21.69172-127-21-69.lightspeed.rlghnc.sbcglobal.net0
172.127.21.70172-127-21-70.lightspeed.rlghnc.sbcglobal.net0
172.127.21.71172-127-21-71.lightspeed.rlghnc.sbcglobal.net0
172.127.21.72172-127-21-72.lightspeed.rlghnc.sbcglobal.net0
172.127.21.73172-127-21-73.lightspeed.rlghnc.sbcglobal.net0
172.127.21.74172-127-21-74.lightspeed.rlghnc.sbcglobal.net0
172.127.21.75172-127-21-75.lightspeed.rlghnc.sbcglobal.net0
172.127.21.76172-127-21-76.lightspeed.rlghnc.sbcglobal.net0
172.127.21.77172-127-21-77.lightspeed.rlghnc.sbcglobal.net0
172.127.21.78172-127-21-78.lightspeed.rlghnc.sbcglobal.net0
172.127.21.79172-127-21-79.lightspeed.rlghnc.sbcglobal.net0
172.127.21.80172-127-21-80.lightspeed.rlghnc.sbcglobal.net0
172.127.21.81172-127-21-81.lightspeed.rlghnc.sbcglobal.net0
172.127.21.82172-127-21-82.lightspeed.rlghnc.sbcglobal.net0
172.127.21.83172-127-21-83.lightspeed.rlghnc.sbcglobal.net0
172.127.21.84172-127-21-84.lightspeed.rlghnc.sbcglobal.net0
172.127.21.85172-127-21-85.lightspeed.rlghnc.sbcglobal.net0
172.127.21.86172-127-21-86.lightspeed.rlghnc.sbcglobal.net0
172.127.21.87172-127-21-87.lightspeed.rlghnc.sbcglobal.net0
172.127.21.88172-127-21-88.lightspeed.rlghnc.sbcglobal.net0
172.127.21.89172-127-21-89.lightspeed.rlghnc.sbcglobal.net0
172.127.21.90172-127-21-90.lightspeed.rlghnc.sbcglobal.net0
172.127.21.91172-127-21-91.lightspeed.rlghnc.sbcglobal.net0
172.127.21.92172-127-21-92.lightspeed.rlghnc.sbcglobal.net0
172.127.21.93172-127-21-93.lightspeed.rlghnc.sbcglobal.net0
172.127.21.94172-127-21-94.lightspeed.rlghnc.sbcglobal.net0
172.127.21.95172-127-21-95.lightspeed.rlghnc.sbcglobal.net0
172.127.21.96172-127-21-96.lightspeed.rlghnc.sbcglobal.net0
172.127.21.97172-127-21-97.lightspeed.rlghnc.sbcglobal.net0
172.127.21.98172-127-21-98.lightspeed.rlghnc.sbcglobal.net0
172.127.21.99172-127-21-99.lightspeed.rlghnc.sbcglobal.net0
172.127.21.100172-127-21-100.lightspeed.rlghnc.sbcglobal.net0
172.127.21.101172-127-21-101.lightspeed.rlghnc.sbcglobal.net0
172.127.21.102172-127-21-102.lightspeed.rlghnc.sbcglobal.net0
172.127.21.103172-127-21-103.lightspeed.rlghnc.sbcglobal.net0
172.127.21.104172-127-21-104.lightspeed.rlghnc.sbcglobal.net0
172.127.21.105172-127-21-105.lightspeed.rlghnc.sbcglobal.net0
172.127.21.106172-127-21-106.lightspeed.rlghnc.sbcglobal.net0
172.127.21.107172-127-21-107.lightspeed.rlghnc.sbcglobal.net0
172.127.21.108172-127-21-108.lightspeed.rlghnc.sbcglobal.net0
172.127.21.109172-127-21-109.lightspeed.rlghnc.sbcglobal.net0
172.127.21.110172-127-21-110.lightspeed.rlghnc.sbcglobal.net0
172.127.21.111172-127-21-111.lightspeed.rlghnc.sbcglobal.net0
172.127.21.112172-127-21-112.lightspeed.rlghnc.sbcglobal.net0
172.127.21.113172-127-21-113.lightspeed.rlghnc.sbcglobal.net0
172.127.21.114172-127-21-114.lightspeed.rlghnc.sbcglobal.net0
172.127.21.115172-127-21-115.lightspeed.rlghnc.sbcglobal.net0
172.127.21.116172-127-21-116.lightspeed.rlghnc.sbcglobal.net0
172.127.21.117172-127-21-117.lightspeed.rlghnc.sbcglobal.net0
172.127.21.118172-127-21-118.lightspeed.rlghnc.sbcglobal.net0
172.127.21.119172-127-21-119.lightspeed.rlghnc.sbcglobal.net0
172.127.21.120172-127-21-120.lightspeed.rlghnc.sbcglobal.net0
172.127.21.121172-127-21-121.lightspeed.rlghnc.sbcglobal.net0
172.127.21.122172-127-21-122.lightspeed.rlghnc.sbcglobal.net0
172.127.21.123172-127-21-123.lightspeed.rlghnc.sbcglobal.net0
172.127.21.124172-127-21-124.lightspeed.rlghnc.sbcglobal.net0
172.127.21.125172-127-21-125.lightspeed.rlghnc.sbcglobal.net0
172.127.21.126172-127-21-126.lightspeed.rlghnc.sbcglobal.net0
172.127.21.127172-127-21-127.lightspeed.rlghnc.sbcglobal.net0
172.127.21.128172-127-21-128.lightspeed.rlghnc.sbcglobal.net0
172.127.21.129172-127-21-129.lightspeed.rlghnc.sbcglobal.net0
172.127.21.130172-127-21-130.lightspeed.rlghnc.sbcglobal.net0
172.127.21.131172-127-21-131.lightspeed.rlghnc.sbcglobal.net0
172.127.21.132172-127-21-132.lightspeed.rlghnc.sbcglobal.net0
172.127.21.133172-127-21-133.lightspeed.rlghnc.sbcglobal.net0
172.127.21.134172-127-21-134.lightspeed.rlghnc.sbcglobal.net0
172.127.21.135172-127-21-135.lightspeed.rlghnc.sbcglobal.net0
172.127.21.136172-127-21-136.lightspeed.rlghnc.sbcglobal.net0
172.127.21.137172-127-21-137.lightspeed.rlghnc.sbcglobal.net0
172.127.21.138172-127-21-138.lightspeed.rlghnc.sbcglobal.net0
172.127.21.139172-127-21-139.lightspeed.rlghnc.sbcglobal.net0
172.127.21.140172-127-21-140.lightspeed.rlghnc.sbcglobal.net0
172.127.21.141172-127-21-141.lightspeed.rlghnc.sbcglobal.net0
172.127.21.142172-127-21-142.lightspeed.rlghnc.sbcglobal.net0
172.127.21.143172-127-21-143.lightspeed.rlghnc.sbcglobal.net0
172.127.21.144172-127-21-144.lightspeed.rlghnc.sbcglobal.net0
172.127.21.145172-127-21-145.lightspeed.rlghnc.sbcglobal.net0
172.127.21.146172-127-21-146.lightspeed.rlghnc.sbcglobal.net0
172.127.21.147172-127-21-147.lightspeed.rlghnc.sbcglobal.net0
172.127.21.148172-127-21-148.lightspeed.rlghnc.sbcglobal.net0
172.127.21.149172-127-21-149.lightspeed.rlghnc.sbcglobal.net0
172.127.21.150172-127-21-150.lightspeed.rlghnc.sbcglobal.net0
172.127.21.151172-127-21-151.lightspeed.rlghnc.sbcglobal.net0
172.127.21.152172-127-21-152.lightspeed.rlghnc.sbcglobal.net0
172.127.21.153172-127-21-153.lightspeed.rlghnc.sbcglobal.net0
172.127.21.154172-127-21-154.lightspeed.rlghnc.sbcglobal.net0
172.127.21.155172-127-21-155.lightspeed.rlghnc.sbcglobal.net0
172.127.21.156172-127-21-156.lightspeed.rlghnc.sbcglobal.net0
172.127.21.157172-127-21-157.lightspeed.rlghnc.sbcglobal.net0
172.127.21.158172-127-21-158.lightspeed.rlghnc.sbcglobal.net0
172.127.21.159172-127-21-159.lightspeed.rlghnc.sbcglobal.net0
172.127.21.160172-127-21-160.lightspeed.rlghnc.sbcglobal.net0
172.127.21.161172-127-21-161.lightspeed.rlghnc.sbcglobal.net0
172.127.21.162172-127-21-162.lightspeed.rlghnc.sbcglobal.net0
172.127.21.163172-127-21-163.lightspeed.rlghnc.sbcglobal.net0
172.127.21.164172-127-21-164.lightspeed.rlghnc.sbcglobal.net0
172.127.21.165172-127-21-165.lightspeed.rlghnc.sbcglobal.net0
172.127.21.166172-127-21-166.lightspeed.rlghnc.sbcglobal.net0
172.127.21.167172-127-21-167.lightspeed.rlghnc.sbcglobal.net0
172.127.21.168172-127-21-168.lightspeed.rlghnc.sbcglobal.net0
172.127.21.169172-127-21-169.lightspeed.rlghnc.sbcglobal.net0
172.127.21.170172-127-21-170.lightspeed.rlghnc.sbcglobal.net0
172.127.21.171172-127-21-171.lightspeed.rlghnc.sbcglobal.net0
172.127.21.172172-127-21-172.lightspeed.rlghnc.sbcglobal.net0
172.127.21.173172-127-21-173.lightspeed.rlghnc.sbcglobal.net0
172.127.21.174172-127-21-174.lightspeed.rlghnc.sbcglobal.net0
172.127.21.175172-127-21-175.lightspeed.rlghnc.sbcglobal.net0
172.127.21.176172-127-21-176.lightspeed.rlghnc.sbcglobal.net0
172.127.21.177172-127-21-177.lightspeed.rlghnc.sbcglobal.net0
172.127.21.178172-127-21-178.lightspeed.rlghnc.sbcglobal.net0
172.127.21.179172-127-21-179.lightspeed.rlghnc.sbcglobal.net0
172.127.21.180172-127-21-180.lightspeed.rlghnc.sbcglobal.net0
172.127.21.181172-127-21-181.lightspeed.rlghnc.sbcglobal.net0
172.127.21.182172-127-21-182.lightspeed.rlghnc.sbcglobal.net0
172.127.21.183172-127-21-183.lightspeed.rlghnc.sbcglobal.net0
172.127.21.184172-127-21-184.lightspeed.rlghnc.sbcglobal.net0
172.127.21.185172-127-21-185.lightspeed.rlghnc.sbcglobal.net0
172.127.21.186172-127-21-186.lightspeed.rlghnc.sbcglobal.net0
172.127.21.187172-127-21-187.lightspeed.rlghnc.sbcglobal.net0
172.127.21.188172-127-21-188.lightspeed.rlghnc.sbcglobal.net0
172.127.21.189172-127-21-189.lightspeed.rlghnc.sbcglobal.net0
172.127.21.190172-127-21-190.lightspeed.rlghnc.sbcglobal.net0
172.127.21.191172-127-21-191.lightspeed.rlghnc.sbcglobal.net0
172.127.21.192172-127-21-192.lightspeed.rlghnc.sbcglobal.net0
172.127.21.193172-127-21-193.lightspeed.rlghnc.sbcglobal.net0
172.127.21.194172-127-21-194.lightspeed.rlghnc.sbcglobal.net0
172.127.21.195172-127-21-195.lightspeed.rlghnc.sbcglobal.net0
172.127.21.196172-127-21-196.lightspeed.rlghnc.sbcglobal.net0
172.127.21.197172-127-21-197.lightspeed.rlghnc.sbcglobal.net0
172.127.21.198172-127-21-198.lightspeed.rlghnc.sbcglobal.net0
172.127.21.199172-127-21-199.lightspeed.rlghnc.sbcglobal.net0
172.127.21.200172-127-21-200.lightspeed.rlghnc.sbcglobal.net0
172.127.21.201172-127-21-201.lightspeed.rlghnc.sbcglobal.net0
172.127.21.202172-127-21-202.lightspeed.rlghnc.sbcglobal.net0
172.127.21.203172-127-21-203.lightspeed.rlghnc.sbcglobal.net0
172.127.21.204172-127-21-204.lightspeed.rlghnc.sbcglobal.net0
172.127.21.205172-127-21-205.lightspeed.rlghnc.sbcglobal.net0
172.127.21.206172-127-21-206.lightspeed.rlghnc.sbcglobal.net0
172.127.21.207172-127-21-207.lightspeed.rlghnc.sbcglobal.net0
172.127.21.208172-127-21-208.lightspeed.rlghnc.sbcglobal.net0
172.127.21.209172-127-21-209.lightspeed.rlghnc.sbcglobal.net0
172.127.21.210172-127-21-210.lightspeed.rlghnc.sbcglobal.net0
172.127.21.211172-127-21-211.lightspeed.rlghnc.sbcglobal.net0
172.127.21.212172-127-21-212.lightspeed.rlghnc.sbcglobal.net0
172.127.21.213172-127-21-213.lightspeed.rlghnc.sbcglobal.net0
172.127.21.214172-127-21-214.lightspeed.rlghnc.sbcglobal.net0
172.127.21.215172-127-21-215.lightspeed.rlghnc.sbcglobal.net0
172.127.21.216172-127-21-216.lightspeed.rlghnc.sbcglobal.net0
172.127.21.217172-127-21-217.lightspeed.rlghnc.sbcglobal.net0
172.127.21.218172-127-21-218.lightspeed.rlghnc.sbcglobal.net0
172.127.21.219172-127-21-219.lightspeed.rlghnc.sbcglobal.net0
172.127.21.220172-127-21-220.lightspeed.rlghnc.sbcglobal.net0
172.127.21.221172-127-21-221.lightspeed.rlghnc.sbcglobal.net0
172.127.21.222172-127-21-222.lightspeed.rlghnc.sbcglobal.net0
172.127.21.223172-127-21-223.lightspeed.rlghnc.sbcglobal.net0
172.127.21.224172-127-21-224.lightspeed.rlghnc.sbcglobal.net0
172.127.21.225172-127-21-225.lightspeed.rlghnc.sbcglobal.net0
172.127.21.226172-127-21-226.lightspeed.rlghnc.sbcglobal.net0
172.127.21.227172-127-21-227.lightspeed.rlghnc.sbcglobal.net0
172.127.21.228172-127-21-228.lightspeed.rlghnc.sbcglobal.net0
172.127.21.229172-127-21-229.lightspeed.rlghnc.sbcglobal.net0
172.127.21.230172-127-21-230.lightspeed.rlghnc.sbcglobal.net0
172.127.21.231172-127-21-231.lightspeed.rlghnc.sbcglobal.net0
172.127.21.232172-127-21-232.lightspeed.rlghnc.sbcglobal.net0
172.127.21.233172-127-21-233.lightspeed.rlghnc.sbcglobal.net0
172.127.21.234172-127-21-234.lightspeed.rlghnc.sbcglobal.net0
172.127.21.235172-127-21-235.lightspeed.rlghnc.sbcglobal.net0
172.127.21.236172-127-21-236.lightspeed.rlghnc.sbcglobal.net0
172.127.21.237172-127-21-237.lightspeed.rlghnc.sbcglobal.net0
172.127.21.238172-127-21-238.lightspeed.rlghnc.sbcglobal.net0
172.127.21.239172-127-21-239.lightspeed.rlghnc.sbcglobal.net0
172.127.21.240172-127-21-240.lightspeed.rlghnc.sbcglobal.net0
172.127.21.241172-127-21-241.lightspeed.rlghnc.sbcglobal.net0
172.127.21.242172-127-21-242.lightspeed.rlghnc.sbcglobal.net0
172.127.21.243172-127-21-243.lightspeed.rlghnc.sbcglobal.net0
172.127.21.244172-127-21-244.lightspeed.rlghnc.sbcglobal.net0
172.127.21.245172-127-21-245.lightspeed.rlghnc.sbcglobal.net0
172.127.21.246172-127-21-246.lightspeed.rlghnc.sbcglobal.net0
172.127.21.247172-127-21-247.lightspeed.rlghnc.sbcglobal.net0
172.127.21.248172-127-21-248.lightspeed.rlghnc.sbcglobal.net0
172.127.21.249172-127-21-249.lightspeed.rlghnc.sbcglobal.net0
172.127.21.250172-127-21-250.lightspeed.rlghnc.sbcglobal.net0
172.127.21.251172-127-21-251.lightspeed.rlghnc.sbcglobal.net0
172.127.21.252172-127-21-252.lightspeed.rlghnc.sbcglobal.net0
172.127.21.253172-127-21-253.lightspeed.rlghnc.sbcglobal.net0
172.127.21.254172-127-21-254.lightspeed.rlghnc.sbcglobal.net0
172.127.21.255172-127-21-255.lightspeed.rlghnc.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 -f5 172.127.21.39
traceroute to 172.127.21.39 (172.127.21.39): 64 hops max, 52 byte packets
5 [AS7018] 32.130.106.123 1.216 ms
6 [AS7018] 99.173.76.167 3.564 ms
7 [AS7018] 172.127.21.39 6.114 ms
Measurement taken from  IPinfo ProbeNet in Durham, US
On