IPinfo - Comprehensive IP address data, IP geolocation API and database
  1. All IP Ranges
  2. 18.0.0.0/8
  3. 18.97.0.0/16
  4. 18.97.120.0/24

18.97.120.0/24 IP Range

Summary

ASNAS16509 Amazon.com, Inc.
BGP18.97.112.0/20
IPs with RDNS256
Hosted Domains0
Pingable IPs0
Router IPs0
18.97.120.0ec2-18-97-120-0.ap-east-2.compute.amazonaws.com0
18.97.120.1ec2-18-97-120-1.ap-east-2.compute.amazonaws.com0
18.97.120.2ec2-18-97-120-2.ap-east-2.compute.amazonaws.com0
18.97.120.3ec2-18-97-120-3.ap-east-2.compute.amazonaws.com0
18.97.120.4ec2-18-97-120-4.ap-east-2.compute.amazonaws.com0
18.97.120.5ec2-18-97-120-5.ap-east-2.compute.amazonaws.com0
18.97.120.6ec2-18-97-120-6.ap-east-2.compute.amazonaws.com0
18.97.120.7ec2-18-97-120-7.ap-east-2.compute.amazonaws.com0
18.97.120.8ec2-18-97-120-8.ap-east-2.compute.amazonaws.com0
18.97.120.9ec2-18-97-120-9.ap-east-2.compute.amazonaws.com0
18.97.120.10ec2-18-97-120-10.ap-east-2.compute.amazonaws.com0
18.97.120.11ec2-18-97-120-11.ap-east-2.compute.amazonaws.com0
18.97.120.12ec2-18-97-120-12.ap-east-2.compute.amazonaws.com0
18.97.120.13ec2-18-97-120-13.ap-east-2.compute.amazonaws.com0
18.97.120.14ec2-18-97-120-14.ap-east-2.compute.amazonaws.com0
18.97.120.15ec2-18-97-120-15.ap-east-2.compute.amazonaws.com0
18.97.120.16ec2-18-97-120-16.ap-east-2.compute.amazonaws.com0
18.97.120.17ec2-18-97-120-17.ap-east-2.compute.amazonaws.com0
18.97.120.18ec2-18-97-120-18.ap-east-2.compute.amazonaws.com0
18.97.120.19ec2-18-97-120-19.ap-east-2.compute.amazonaws.com0
18.97.120.20ec2-18-97-120-20.ap-east-2.compute.amazonaws.com0
18.97.120.21ec2-18-97-120-21.ap-east-2.compute.amazonaws.com0
18.97.120.22ec2-18-97-120-22.ap-east-2.compute.amazonaws.com0
18.97.120.23ec2-18-97-120-23.ap-east-2.compute.amazonaws.com0
18.97.120.24ec2-18-97-120-24.ap-east-2.compute.amazonaws.com0
18.97.120.25ec2-18-97-120-25.ap-east-2.compute.amazonaws.com0
18.97.120.26ec2-18-97-120-26.ap-east-2.compute.amazonaws.com0
18.97.120.27ec2-18-97-120-27.ap-east-2.compute.amazonaws.com0
18.97.120.28ec2-18-97-120-28.ap-east-2.compute.amazonaws.com0
18.97.120.29ec2-18-97-120-29.ap-east-2.compute.amazonaws.com0
18.97.120.30ec2-18-97-120-30.ap-east-2.compute.amazonaws.com0
18.97.120.31ec2-18-97-120-31.ap-east-2.compute.amazonaws.com0
18.97.120.32ec2-18-97-120-32.ap-east-2.compute.amazonaws.com0
18.97.120.33ec2-18-97-120-33.ap-east-2.compute.amazonaws.com0
18.97.120.34ec2-18-97-120-34.ap-east-2.compute.amazonaws.com0
18.97.120.35ec2-18-97-120-35.ap-east-2.compute.amazonaws.com0
18.97.120.36ec2-18-97-120-36.ap-east-2.compute.amazonaws.com0
18.97.120.37ec2-18-97-120-37.ap-east-2.compute.amazonaws.com0
18.97.120.38ec2-18-97-120-38.ap-east-2.compute.amazonaws.com0
18.97.120.39ec2-18-97-120-39.ap-east-2.compute.amazonaws.com0
18.97.120.40ec2-18-97-120-40.ap-east-2.compute.amazonaws.com0
18.97.120.41ec2-18-97-120-41.ap-east-2.compute.amazonaws.com0
18.97.120.42ec2-18-97-120-42.ap-east-2.compute.amazonaws.com0
18.97.120.43ec2-18-97-120-43.ap-east-2.compute.amazonaws.com0
18.97.120.44ec2-18-97-120-44.ap-east-2.compute.amazonaws.com0
18.97.120.45ec2-18-97-120-45.ap-east-2.compute.amazonaws.com0
18.97.120.46ec2-18-97-120-46.ap-east-2.compute.amazonaws.com0
18.97.120.47ec2-18-97-120-47.ap-east-2.compute.amazonaws.com0
18.97.120.48ec2-18-97-120-48.ap-east-2.compute.amazonaws.com0
18.97.120.49ec2-18-97-120-49.ap-east-2.compute.amazonaws.com0
18.97.120.50ec2-18-97-120-50.ap-east-2.compute.amazonaws.com0
18.97.120.51ec2-18-97-120-51.ap-east-2.compute.amazonaws.com0
18.97.120.52ec2-18-97-120-52.ap-east-2.compute.amazonaws.com0
18.97.120.53ec2-18-97-120-53.ap-east-2.compute.amazonaws.com0
18.97.120.54ec2-18-97-120-54.ap-east-2.compute.amazonaws.com0
18.97.120.55ec2-18-97-120-55.ap-east-2.compute.amazonaws.com0
18.97.120.56ec2-18-97-120-56.ap-east-2.compute.amazonaws.com0
18.97.120.57ec2-18-97-120-57.ap-east-2.compute.amazonaws.com0
18.97.120.58ec2-18-97-120-58.ap-east-2.compute.amazonaws.com0
18.97.120.59ec2-18-97-120-59.ap-east-2.compute.amazonaws.com0
18.97.120.60ec2-18-97-120-60.ap-east-2.compute.amazonaws.com0
18.97.120.61ec2-18-97-120-61.ap-east-2.compute.amazonaws.com0
18.97.120.62ec2-18-97-120-62.ap-east-2.compute.amazonaws.com0
18.97.120.63ec2-18-97-120-63.ap-east-2.compute.amazonaws.com0
18.97.120.64ec2-18-97-120-64.ap-east-2.compute.amazonaws.com0
18.97.120.65ec2-18-97-120-65.ap-east-2.compute.amazonaws.com0
18.97.120.66ec2-18-97-120-66.ap-east-2.compute.amazonaws.com0
18.97.120.67ec2-18-97-120-67.ap-east-2.compute.amazonaws.com0
18.97.120.68ec2-18-97-120-68.ap-east-2.compute.amazonaws.com0
18.97.120.69ec2-18-97-120-69.ap-east-2.compute.amazonaws.com0
18.97.120.70ec2-18-97-120-70.ap-east-2.compute.amazonaws.com0
18.97.120.71ec2-18-97-120-71.ap-east-2.compute.amazonaws.com0
18.97.120.72ec2-18-97-120-72.ap-east-2.compute.amazonaws.com0
18.97.120.73ec2-18-97-120-73.ap-east-2.compute.amazonaws.com0
18.97.120.74ec2-18-97-120-74.ap-east-2.compute.amazonaws.com0
18.97.120.75ec2-18-97-120-75.ap-east-2.compute.amazonaws.com0
18.97.120.76ec2-18-97-120-76.ap-east-2.compute.amazonaws.com0
18.97.120.77ec2-18-97-120-77.ap-east-2.compute.amazonaws.com0
18.97.120.78ec2-18-97-120-78.ap-east-2.compute.amazonaws.com0
18.97.120.79ec2-18-97-120-79.ap-east-2.compute.amazonaws.com0
18.97.120.80ec2-18-97-120-80.ap-east-2.compute.amazonaws.com0
18.97.120.81ec2-18-97-120-81.ap-east-2.compute.amazonaws.com0
18.97.120.82ec2-18-97-120-82.ap-east-2.compute.amazonaws.com0
18.97.120.83ec2-18-97-120-83.ap-east-2.compute.amazonaws.com0
18.97.120.84ec2-18-97-120-84.ap-east-2.compute.amazonaws.com0
18.97.120.85ec2-18-97-120-85.ap-east-2.compute.amazonaws.com0
18.97.120.86ec2-18-97-120-86.ap-east-2.compute.amazonaws.com0
18.97.120.87ec2-18-97-120-87.ap-east-2.compute.amazonaws.com0
18.97.120.88ec2-18-97-120-88.ap-east-2.compute.amazonaws.com0
18.97.120.89ec2-18-97-120-89.ap-east-2.compute.amazonaws.com0
18.97.120.90ec2-18-97-120-90.ap-east-2.compute.amazonaws.com0
18.97.120.91ec2-18-97-120-91.ap-east-2.compute.amazonaws.com0
18.97.120.92ec2-18-97-120-92.ap-east-2.compute.amazonaws.com0
18.97.120.93ec2-18-97-120-93.ap-east-2.compute.amazonaws.com0
18.97.120.94ec2-18-97-120-94.ap-east-2.compute.amazonaws.com0
18.97.120.95ec2-18-97-120-95.ap-east-2.compute.amazonaws.com0
18.97.120.96ec2-18-97-120-96.ap-east-2.compute.amazonaws.com0
18.97.120.97ec2-18-97-120-97.ap-east-2.compute.amazonaws.com0
18.97.120.98ec2-18-97-120-98.ap-east-2.compute.amazonaws.com0
18.97.120.99ec2-18-97-120-99.ap-east-2.compute.amazonaws.com0
18.97.120.100ec2-18-97-120-100.ap-east-2.compute.amazonaws.com0
18.97.120.101ec2-18-97-120-101.ap-east-2.compute.amazonaws.com0
18.97.120.102ec2-18-97-120-102.ap-east-2.compute.amazonaws.com0
18.97.120.103ec2-18-97-120-103.ap-east-2.compute.amazonaws.com0
18.97.120.104ec2-18-97-120-104.ap-east-2.compute.amazonaws.com0
18.97.120.105ec2-18-97-120-105.ap-east-2.compute.amazonaws.com0
18.97.120.106ec2-18-97-120-106.ap-east-2.compute.amazonaws.com0
18.97.120.107ec2-18-97-120-107.ap-east-2.compute.amazonaws.com0
18.97.120.108ec2-18-97-120-108.ap-east-2.compute.amazonaws.com0
18.97.120.109ec2-18-97-120-109.ap-east-2.compute.amazonaws.com0
18.97.120.110ec2-18-97-120-110.ap-east-2.compute.amazonaws.com0
18.97.120.111ec2-18-97-120-111.ap-east-2.compute.amazonaws.com0
18.97.120.112ec2-18-97-120-112.ap-east-2.compute.amazonaws.com0
18.97.120.113ec2-18-97-120-113.ap-east-2.compute.amazonaws.com0
18.97.120.114ec2-18-97-120-114.ap-east-2.compute.amazonaws.com0
18.97.120.115ec2-18-97-120-115.ap-east-2.compute.amazonaws.com0
18.97.120.116ec2-18-97-120-116.ap-east-2.compute.amazonaws.com0
18.97.120.117ec2-18-97-120-117.ap-east-2.compute.amazonaws.com0
18.97.120.118ec2-18-97-120-118.ap-east-2.compute.amazonaws.com0
18.97.120.119ec2-18-97-120-119.ap-east-2.compute.amazonaws.com0
18.97.120.120ec2-18-97-120-120.ap-east-2.compute.amazonaws.com0
18.97.120.121ec2-18-97-120-121.ap-east-2.compute.amazonaws.com0
18.97.120.122ec2-18-97-120-122.ap-east-2.compute.amazonaws.com0
18.97.120.123ec2-18-97-120-123.ap-east-2.compute.amazonaws.com0
18.97.120.124ec2-18-97-120-124.ap-east-2.compute.amazonaws.com0
18.97.120.125ec2-18-97-120-125.ap-east-2.compute.amazonaws.com0
18.97.120.126ec2-18-97-120-126.ap-east-2.compute.amazonaws.com0
18.97.120.127ec2-18-97-120-127.ap-east-2.compute.amazonaws.com0
18.97.120.128ec2-18-97-120-128.ap-east-2.compute.amazonaws.com0
18.97.120.129ec2-18-97-120-129.ap-east-2.compute.amazonaws.com0
18.97.120.130ec2-18-97-120-130.ap-east-2.compute.amazonaws.com0
18.97.120.131ec2-18-97-120-131.ap-east-2.compute.amazonaws.com0
18.97.120.132ec2-18-97-120-132.ap-east-2.compute.amazonaws.com0
18.97.120.133ec2-18-97-120-133.ap-east-2.compute.amazonaws.com0
18.97.120.134ec2-18-97-120-134.ap-east-2.compute.amazonaws.com0
18.97.120.135ec2-18-97-120-135.ap-east-2.compute.amazonaws.com0
18.97.120.136ec2-18-97-120-136.ap-east-2.compute.amazonaws.com0
18.97.120.137ec2-18-97-120-137.ap-east-2.compute.amazonaws.com0
18.97.120.138ec2-18-97-120-138.ap-east-2.compute.amazonaws.com0
18.97.120.139ec2-18-97-120-139.ap-east-2.compute.amazonaws.com0
18.97.120.140ec2-18-97-120-140.ap-east-2.compute.amazonaws.com0
18.97.120.141ec2-18-97-120-141.ap-east-2.compute.amazonaws.com0
18.97.120.142ec2-18-97-120-142.ap-east-2.compute.amazonaws.com0
18.97.120.143ec2-18-97-120-143.ap-east-2.compute.amazonaws.com0
18.97.120.144ec2-18-97-120-144.ap-east-2.compute.amazonaws.com0
18.97.120.145ec2-18-97-120-145.ap-east-2.compute.amazonaws.com0
18.97.120.146ec2-18-97-120-146.ap-east-2.compute.amazonaws.com0
18.97.120.147ec2-18-97-120-147.ap-east-2.compute.amazonaws.com0
18.97.120.148ec2-18-97-120-148.ap-east-2.compute.amazonaws.com0
18.97.120.149ec2-18-97-120-149.ap-east-2.compute.amazonaws.com0
18.97.120.150ec2-18-97-120-150.ap-east-2.compute.amazonaws.com0
18.97.120.151ec2-18-97-120-151.ap-east-2.compute.amazonaws.com0
18.97.120.152ec2-18-97-120-152.ap-east-2.compute.amazonaws.com0
18.97.120.153ec2-18-97-120-153.ap-east-2.compute.amazonaws.com0
18.97.120.154ec2-18-97-120-154.ap-east-2.compute.amazonaws.com0
18.97.120.155ec2-18-97-120-155.ap-east-2.compute.amazonaws.com0
18.97.120.156ec2-18-97-120-156.ap-east-2.compute.amazonaws.com0
18.97.120.157ec2-18-97-120-157.ap-east-2.compute.amazonaws.com0
18.97.120.158ec2-18-97-120-158.ap-east-2.compute.amazonaws.com0
18.97.120.159ec2-18-97-120-159.ap-east-2.compute.amazonaws.com0
18.97.120.160ec2-18-97-120-160.ap-east-2.compute.amazonaws.com0
18.97.120.161ec2-18-97-120-161.ap-east-2.compute.amazonaws.com0
18.97.120.162ec2-18-97-120-162.ap-east-2.compute.amazonaws.com0
18.97.120.163ec2-18-97-120-163.ap-east-2.compute.amazonaws.com0
18.97.120.164ec2-18-97-120-164.ap-east-2.compute.amazonaws.com0
18.97.120.165ec2-18-97-120-165.ap-east-2.compute.amazonaws.com0
18.97.120.166ec2-18-97-120-166.ap-east-2.compute.amazonaws.com0
18.97.120.167ec2-18-97-120-167.ap-east-2.compute.amazonaws.com0
18.97.120.168ec2-18-97-120-168.ap-east-2.compute.amazonaws.com0
18.97.120.169ec2-18-97-120-169.ap-east-2.compute.amazonaws.com0
18.97.120.170ec2-18-97-120-170.ap-east-2.compute.amazonaws.com0
18.97.120.171ec2-18-97-120-171.ap-east-2.compute.amazonaws.com0
18.97.120.172ec2-18-97-120-172.ap-east-2.compute.amazonaws.com0
18.97.120.173ec2-18-97-120-173.ap-east-2.compute.amazonaws.com0
18.97.120.174ec2-18-97-120-174.ap-east-2.compute.amazonaws.com0
18.97.120.175ec2-18-97-120-175.ap-east-2.compute.amazonaws.com0
18.97.120.176ec2-18-97-120-176.ap-east-2.compute.amazonaws.com0
18.97.120.177ec2-18-97-120-177.ap-east-2.compute.amazonaws.com0
18.97.120.178ec2-18-97-120-178.ap-east-2.compute.amazonaws.com0
18.97.120.179ec2-18-97-120-179.ap-east-2.compute.amazonaws.com0
18.97.120.180ec2-18-97-120-180.ap-east-2.compute.amazonaws.com0
18.97.120.181ec2-18-97-120-181.ap-east-2.compute.amazonaws.com0
18.97.120.182ec2-18-97-120-182.ap-east-2.compute.amazonaws.com0
18.97.120.183ec2-18-97-120-183.ap-east-2.compute.amazonaws.com0
18.97.120.184ec2-18-97-120-184.ap-east-2.compute.amazonaws.com0
18.97.120.185ec2-18-97-120-185.ap-east-2.compute.amazonaws.com0
18.97.120.186ec2-18-97-120-186.ap-east-2.compute.amazonaws.com0
18.97.120.187ec2-18-97-120-187.ap-east-2.compute.amazonaws.com0
18.97.120.188ec2-18-97-120-188.ap-east-2.compute.amazonaws.com0
18.97.120.189ec2-18-97-120-189.ap-east-2.compute.amazonaws.com0
18.97.120.190ec2-18-97-120-190.ap-east-2.compute.amazonaws.com0
18.97.120.191ec2-18-97-120-191.ap-east-2.compute.amazonaws.com0
18.97.120.192ec2-18-97-120-192.ap-east-2.compute.amazonaws.com0
18.97.120.193ec2-18-97-120-193.ap-east-2.compute.amazonaws.com0
18.97.120.194ec2-18-97-120-194.ap-east-2.compute.amazonaws.com0
18.97.120.195ec2-18-97-120-195.ap-east-2.compute.amazonaws.com0
18.97.120.196ec2-18-97-120-196.ap-east-2.compute.amazonaws.com0
18.97.120.197ec2-18-97-120-197.ap-east-2.compute.amazonaws.com0
18.97.120.198ec2-18-97-120-198.ap-east-2.compute.amazonaws.com0
18.97.120.199ec2-18-97-120-199.ap-east-2.compute.amazonaws.com0
18.97.120.200ec2-18-97-120-200.ap-east-2.compute.amazonaws.com0
18.97.120.201ec2-18-97-120-201.ap-east-2.compute.amazonaws.com0
18.97.120.202ec2-18-97-120-202.ap-east-2.compute.amazonaws.com0
18.97.120.203ec2-18-97-120-203.ap-east-2.compute.amazonaws.com0
18.97.120.204ec2-18-97-120-204.ap-east-2.compute.amazonaws.com0
18.97.120.205ec2-18-97-120-205.ap-east-2.compute.amazonaws.com0
18.97.120.206ec2-18-97-120-206.ap-east-2.compute.amazonaws.com0
18.97.120.207ec2-18-97-120-207.ap-east-2.compute.amazonaws.com0
18.97.120.208ec2-18-97-120-208.ap-east-2.compute.amazonaws.com0
18.97.120.209ec2-18-97-120-209.ap-east-2.compute.amazonaws.com0
18.97.120.210ec2-18-97-120-210.ap-east-2.compute.amazonaws.com0
18.97.120.211ec2-18-97-120-211.ap-east-2.compute.amazonaws.com0
18.97.120.212ec2-18-97-120-212.ap-east-2.compute.amazonaws.com0
18.97.120.213ec2-18-97-120-213.ap-east-2.compute.amazonaws.com0
18.97.120.214ec2-18-97-120-214.ap-east-2.compute.amazonaws.com0
18.97.120.215ec2-18-97-120-215.ap-east-2.compute.amazonaws.com0
18.97.120.216ec2-18-97-120-216.ap-east-2.compute.amazonaws.com0
18.97.120.217ec2-18-97-120-217.ap-east-2.compute.amazonaws.com0
18.97.120.218ec2-18-97-120-218.ap-east-2.compute.amazonaws.com0
18.97.120.219ec2-18-97-120-219.ap-east-2.compute.amazonaws.com0
18.97.120.220ec2-18-97-120-220.ap-east-2.compute.amazonaws.com0
18.97.120.221ec2-18-97-120-221.ap-east-2.compute.amazonaws.com0
18.97.120.222ec2-18-97-120-222.ap-east-2.compute.amazonaws.com0
18.97.120.223ec2-18-97-120-223.ap-east-2.compute.amazonaws.com0
18.97.120.224ec2-18-97-120-224.ap-east-2.compute.amazonaws.com0
18.97.120.225ec2-18-97-120-225.ap-east-2.compute.amazonaws.com0
18.97.120.226ec2-18-97-120-226.ap-east-2.compute.amazonaws.com0
18.97.120.227ec2-18-97-120-227.ap-east-2.compute.amazonaws.com0
18.97.120.228ec2-18-97-120-228.ap-east-2.compute.amazonaws.com0
18.97.120.229ec2-18-97-120-229.ap-east-2.compute.amazonaws.com0
18.97.120.230ec2-18-97-120-230.ap-east-2.compute.amazonaws.com0
18.97.120.231ec2-18-97-120-231.ap-east-2.compute.amazonaws.com0
18.97.120.232ec2-18-97-120-232.ap-east-2.compute.amazonaws.com0
18.97.120.233ec2-18-97-120-233.ap-east-2.compute.amazonaws.com0
18.97.120.234ec2-18-97-120-234.ap-east-2.compute.amazonaws.com0
18.97.120.235ec2-18-97-120-235.ap-east-2.compute.amazonaws.com0
18.97.120.236ec2-18-97-120-236.ap-east-2.compute.amazonaws.com0
18.97.120.237ec2-18-97-120-237.ap-east-2.compute.amazonaws.com0
18.97.120.238ec2-18-97-120-238.ap-east-2.compute.amazonaws.com0
18.97.120.239ec2-18-97-120-239.ap-east-2.compute.amazonaws.com0
18.97.120.240ec2-18-97-120-240.ap-east-2.compute.amazonaws.com0
18.97.120.241ec2-18-97-120-241.ap-east-2.compute.amazonaws.com0
18.97.120.242ec2-18-97-120-242.ap-east-2.compute.amazonaws.com0
18.97.120.243ec2-18-97-120-243.ap-east-2.compute.amazonaws.com0
18.97.120.244ec2-18-97-120-244.ap-east-2.compute.amazonaws.com0
18.97.120.245ec2-18-97-120-245.ap-east-2.compute.amazonaws.com0
18.97.120.246ec2-18-97-120-246.ap-east-2.compute.amazonaws.com0
18.97.120.247ec2-18-97-120-247.ap-east-2.compute.amazonaws.com0
18.97.120.248ec2-18-97-120-248.ap-east-2.compute.amazonaws.com0
18.97.120.249ec2-18-97-120-249.ap-east-2.compute.amazonaws.com0
18.97.120.250ec2-18-97-120-250.ap-east-2.compute.amazonaws.com0
18.97.120.251ec2-18-97-120-251.ap-east-2.compute.amazonaws.com0
18.97.120.252ec2-18-97-120-252.ap-east-2.compute.amazonaws.com0
18.97.120.253ec2-18-97-120-253.ap-east-2.compute.amazonaws.com0
18.97.120.254ec2-18-97-120-254.ap-east-2.compute.amazonaws.com0
18.97.120.255ec2-18-97-120-255.ap-east-2.compute.amazonaws.com0

Traceroute

Below is a recent traceroute taken from the IPinfo ProbeNet to an IP in this range. Learn more.
$ traceroute -a -n -q1 -f15 -m28 18.97.120.131
traceroute to 18.97.120.131 (18.97.120.131): 28 hops max, 52 byte packets
15 [AS9808] 221.183.167.38 37.119 ms
16 *
17 [AS9808] 221.183.92.202 39.421 ms
18 [AS58453] 223.120.14.233 94.726 ms
19 [AS58453] 223.120.2.246 90.219 ms
20 [AS16509] 99.83.91.178 87.038 ms
21 [] 150.222.90.103 125.773 ms
22 *
23 [AS16509] 54.239.52.91 89.087 ms
24 [] 150.222.90.51 90.463 ms
25 [AS16509] 52.93.136.148 122.28 ms
26 *
27 *
28 *
Measurement taken from  IPinfo ProbeNet in Chengdu, CN
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