IPinfo - Comprehensive IP address data, IP geolocation API and database
  1. All IP Ranges
  2. 172.0.0.0/8
  3. 172.123.0.0/16

172.123.0.0/16 IP Range

Summary

ASNs
1
Countries
1
BGP Prefixes1
Routers
0
Pingable IPs
1,040

Top Countries

Top BGP Prefixes

Top ASNs

  • AS2497 Internet Initiative Japan Inc.
    100%
172.123.0.0/24 Japan 100%110
172.123.1.0/24 Japan 100%110
172.123.2.0/24 Japan 100%110
172.123.3.0/24 Japan 100%110
172.123.4.0/24 Japan 100%110
172.123.5.0/24 Japan 100%110
172.123.6.0/24 Japan 100%110
172.123.7.0/24 Japan 100%110
172.123.8.0/24 Japan 100%110
172.123.9.0/24 Japan 100%110
172.123.10.0/24 Japan 100%110
172.123.11.0/24 Japan 100%110
172.123.12.0/24 Japan 100%110
172.123.13.0/24 Japan 100%110
172.123.14.0/24 Japan 100%110
172.123.15.0/24 Japan 100%110
172.123.16.0/24 Japan 100%110
172.123.17.0/24 Japan 100%110
172.123.18.0/24 Japan 100%110
172.123.19.0/24 Japan 100%110
172.123.20.0/24 Japan 100%110
172.123.21.0/24 Japan 100%110
172.123.22.0/24 Japan 100%110
172.123.23.0/24 Japan 100%110
172.123.24.0/24 Japan 100%110
172.123.25.0/24 Japan 100%110
172.123.26.0/24 Japan 100%110
172.123.27.0/24 Japan 100%110
172.123.28.0/24 Japan 100%110
172.123.29.0/24 Japan 100%110
172.123.30.0/24 Japan 100%110
172.123.31.0/24 Japan 100%110
172.123.32.0/24 Japan 100%110
172.123.33.0/24 Japan 100%110
172.123.34.0/24 Japan 100%110
172.123.35.0/24 Japan 100%110
172.123.36.0/24 Japan 100%110
172.123.37.0/24 Japan 100%110
172.123.38.0/24 Japan 100%110
172.123.39.0/24 Japan 100%110
172.123.40.0/24 Japan 100%110
172.123.41.0/24 Japan 100%110
172.123.42.0/24 Japan 100%110
172.123.43.0/24 Japan 100%110
172.123.44.0/24 Japan 100%110
172.123.45.0/24 Japan 100%110
172.123.46.0/24 Japan 100%110
172.123.47.0/24 Japan 100%110
172.123.48.0/24 Japan 100%110
172.123.49.0/24 Japan 100%110
172.123.50.0/24 Japan 100%110
172.123.51.0/24 Japan 100%110
172.123.52.0/24 Japan 100%110
172.123.53.0/24 Japan 100%110
172.123.54.0/24 Japan 100%110
172.123.55.0/24 Japan 100%110
172.123.56.0/24 Japan 100%110
172.123.57.0/24 Japan 100%110
172.123.58.0/24 Japan 100%110
172.123.59.0/24 Japan 100%110
172.123.60.0/24 Japan 100%110
172.123.61.0/24 Japan 100%110
172.123.62.0/24 Japan 100%110
172.123.63.0/24 Japan 100%110
172.123.64.0/24 Japan 100%110
172.123.65.0/24 Japan 100%110
172.123.66.0/24 Japan 100%110
172.123.67.0/24 Japan 100%110
172.123.68.0/24 Japan 100%110
172.123.69.0/24 Japan 100%110
172.123.70.0/24 Japan 100%110
172.123.71.0/24 Japan 100%110
172.123.72.0/24 Japan 100%110
172.123.73.0/24 Japan 100%110
172.123.74.0/24 Japan 100%110
172.123.75.0/24 Japan 100%110
172.123.76.0/24 Japan 100%110
172.123.77.0/24 Japan 100%110
172.123.78.0/24 Japan 100%110
172.123.79.0/24 Japan 100%110
172.123.80.0/24 Japan 100%110
172.123.81.0/24 Japan 100%110
172.123.82.0/24 Japan 100%110
172.123.83.0/24 Japan 100%110
172.123.84.0/24 Japan 100%110
172.123.85.0/24 Japan 100%110
172.123.86.0/24 Japan 100%110
172.123.87.0/24 Japan 100%110
172.123.88.0/24 Japan 100%110
172.123.89.0/24 Japan 100%110
172.123.90.0/24 Japan 100%110
172.123.91.0/24 Japan 100%110
172.123.92.0/24 Japan 100%110
172.123.93.0/24 Japan 100%110
172.123.94.0/24 Japan 100%110
172.123.95.0/24 Japan 100%110
172.123.96.0/24 Japan 100%110
172.123.97.0/24 Japan 100%110
172.123.98.0/24 Japan 100%110
172.123.99.0/24 Japan 100%110
172.123.100.0/24 Japan 100%110
172.123.101.0/24 Japan 100%110
172.123.102.0/24 Japan 100%110
172.123.103.0/24 Japan 100%110
172.123.104.0/24 Japan 100%110
172.123.105.0/24 Japan 100%110
172.123.106.0/24 Japan 100%110
172.123.107.0/24 Japan 100%110
172.123.108.0/24 Japan 100%110
172.123.109.0/24 Japan 100%110
172.123.110.0/24 Japan 100%110
172.123.111.0/24 Japan 100%110
172.123.112.0/24 Japan 100%110
172.123.113.0/24 Japan 100%110
172.123.114.0/24 Japan 100%110
172.123.115.0/24 Japan 100%110
172.123.116.0/24 Japan 100%110
172.123.117.0/24 Japan 100%110
172.123.118.0/24 Japan 100%110
172.123.119.0/24 Japan 100%110
172.123.120.0/24 Japan 100%110
172.123.121.0/24 Japan 100%110
172.123.122.0/24 Japan 100%110
172.123.123.0/24 Japan 100%110
172.123.124.0/24 Japan 100%110
172.123.125.0/24 Japan 100%110
172.123.126.0/24 Japan 100%110
172.123.127.0/24 Japan 100%110
172.123.128.0/24 Japan 100%110
172.123.129.0/24 Japan 100%110
172.123.130.0/24 Japan 100%110
172.123.131.0/24 Japan 100%110
172.123.132.0/24 Japan 100%110
172.123.133.0/24 Japan 100%110
172.123.134.0/24 Japan 100%110
172.123.135.0/24 Japan 100%110
172.123.136.0/24 Japan 100%110
172.123.137.0/24 Japan 100%110
172.123.138.0/24 Japan 100%110
172.123.139.0/24 Japan 100%110
172.123.140.0/24 Japan 100%110
172.123.141.0/24 Japan 100%110
172.123.142.0/24 Japan 100%110
172.123.143.0/24 Japan 100%110
172.123.144.0/24 Japan 100%110
172.123.145.0/24 Japan 100%110
172.123.146.0/24 Japan 100%110
172.123.147.0/24 Japan 100%110
172.123.148.0/24 Japan 100%110
172.123.149.0/24 Japan 100%110
172.123.150.0/24 Japan 100%110
172.123.151.0/24 Japan 100%110
172.123.152.0/24 Japan 100%110
172.123.153.0/24 Japan 100%110
172.123.154.0/24 Japan 100%110
172.123.155.0/24 Japan 100%110
172.123.156.0/24 Japan 100%110
172.123.157.0/24 Japan 100%110
172.123.158.0/24 Japan 100%110
172.123.159.0/24 Japan 100%110
172.123.160.0/24 Japan 100%110
172.123.161.0/24 Japan 100%110
172.123.162.0/24 Japan 100%110
172.123.163.0/24 Japan 100%110
172.123.164.0/24 Japan 100%110
172.123.165.0/24 Japan 100%110
172.123.166.0/24 Japan 100%110
172.123.167.0/24 Japan 100%110
172.123.168.0/24 Japan 100%110
172.123.169.0/24 Japan 100%110
172.123.170.0/24 Japan 100%110
172.123.171.0/24 Japan 100%110
172.123.172.0/24 Japan 100%110
172.123.173.0/24 Japan 100%110
172.123.174.0/24 Japan 100%110
172.123.175.0/24 Japan 100%110
172.123.176.0/24 Japan 100%110
172.123.177.0/24 Japan 100%110
172.123.178.0/24 Japan 100%110
172.123.179.0/24 Japan 100%110
172.123.180.0/24 Japan 100%110
172.123.181.0/24 Japan 100%110
172.123.182.0/24 Japan 100%110
172.123.183.0/24 Japan 100%110
172.123.184.0/24 Japan 100%110
172.123.185.0/24 Japan 100%110
172.123.186.0/24 Japan 100%110
172.123.187.0/24 Japan 100%110
172.123.188.0/24 Japan 100%110
172.123.189.0/24 Japan 100%110
172.123.190.0/24 Japan 100%110
172.123.191.0/24 Japan 100%110
172.123.192.0/24 Japan 100%110
172.123.193.0/24 Japan 100%110
172.123.194.0/24 Japan 100%110
172.123.195.0/24 Japan 100%110
172.123.196.0/24 Japan 100%110
172.123.197.0/24 Japan 100%110
172.123.198.0/24 Japan 100%110
172.123.199.0/24 Japan 100%110
172.123.200.0/24 Japan 100%110
172.123.201.0/24 Japan 100%110
172.123.202.0/24 Japan 100%110
172.123.203.0/24 Japan 100%110
172.123.204.0/24 Japan 100%110
172.123.205.0/24 Japan 100%110
172.123.206.0/24 Japan 100%110
172.123.207.0/24 Japan 100%110
172.123.208.0/24 Japan 100%110
172.123.209.0/24 Japan 100%110
172.123.210.0/24 Japan 100%110
172.123.211.0/24 Japan 100%110
172.123.212.0/24 Japan 100%110
172.123.213.0/24 Japan 100%110
172.123.214.0/24 Japan 100%110
172.123.215.0/24 Japan 100%110
172.123.216.0/24 Japan 100%110
172.123.217.0/24 Japan 100%110
172.123.218.0/24 Japan 100%110
172.123.219.0/24 Japan 100%110
172.123.220.0/24 Japan 100%110
172.123.221.0/24 Japan 100%110
172.123.222.0/24 Japan 100%110
172.123.223.0/24 Japan 100%110
172.123.224.0/24 Japan 100%110
172.123.225.0/24 Japan 100%110
172.123.226.0/24 Japan 100%110
172.123.227.0/24 Japan 100%110
172.123.228.0/24 Japan 100%110
172.123.229.0/24 Japan 100%110
172.123.230.0/24 Japan 100%110
172.123.231.0/24 Japan 100%110
172.123.232.0/24 Japan 100%110
172.123.233.0/24 Japan 100%110
172.123.234.0/24 Japan 100%110
172.123.235.0/24 Japan 100%110
172.123.236.0/24 Japan 100%110
172.123.237.0/24 Japan 100%110
172.123.238.0/24 Japan 100%110
172.123.239.0/24 Japan 100%110
172.123.240.0/24 Japan 100%110
172.123.241.0/24 Japan 100%110
172.123.242.0/24 Japan 100%110
172.123.243.0/24 Japan 100%110
172.123.244.0/24 Japan 100%110
172.123.245.0/24 Japan 100%110
172.123.246.0/24 Japan 100%110
172.123.247.0/24 Japan 100%110
172.123.248.0/24 Japan 100%110
172.123.249.0/24 Japan 100%110
172.123.250.0/24 Japan 100%110
172.123.251.0/24 Japan 100%110
172.123.252.0/24 Japan 100%110
172.123.253.0/24 Japan 100%110
172.123.254.0/24 Japan 100%110
172.123.255.0/24 Japan 100%110

Pingable IPs

1,040 IPs in this range replied to an ICMP ping during our most recent internet scan. Learn more.
172.123.184.112AS2497 Internet Initiative Japan Inc.26.45ms from Osaka,  JP
172.123.96.202AS2497 Internet Initiative Japan Inc.36.19ms from Osaka,  JP
172.123.219.135AS2497 Internet Initiative Japan Inc.33.62ms from Osaka,  JP
172.123.92.8AS2497 Internet Initiative Japan Inc.39.19ms from Osaka,  JP
172.123.223.90AS2497 Internet Initiative Japan Inc.27.63ms from Osaka,  JP
172.123.111.37AS2497 Internet Initiative Japan Inc.38.21ms from Osaka,  JP
172.123.234.57AS2497 Internet Initiative Japan Inc.18.95ms from Tokyo,  JP
172.123.67.37AS2497 Internet Initiative Japan Inc.51.87ms from Osaka,  JP
172.123.193.230AS2497 Internet Initiative Japan Inc.24.67ms from Osaka,  JP
172.123.166.79AS2497 Internet Initiative Japan Inc.24.78ms from Osaka,  JP

Other Pingable IPs

Below is a random selection of 25 IPs that replied to an ICMP ping during our most recent internet scan.
136.114.193.208AS396982 Google LLC0.13ms from Council Bluffs,  US
72.181.2.16AS11427 Charter Communications Inc4.69ms from Dallas,  US
64.188.76.48AS209693 OC NETWORKS LIMITED1.35ms from Helsinki,  FI
94.5.219.48AS5607 Sky UK Limited2.78ms from London,  GB
81.77.44.64AS5378 Vodafone Limited4.86ms from Manchester,  GB
73.244.17.192AS7922 Comcast Cable Communications, LLC2.71ms from Miami,  US
83.211.215.32AS3302 Retelit Digital Services S.p.A.4.95ms from Milan,  IT
88.177.184.112AS12322 Free SAS10.62ms from Paris,  FR
71.59.246.160AS7922 Comcast Cable Communications, LLC7.71ms from Portland,  US
3.239.106.208AS14618 Amazon.com, Inc.0.20ms from Reston,  US

Traceroute

Below is a recent traceroute taken from the IPinfo ProbeNet to an IP in this range. Learn more.
$
traceroute -a -n -q1 172.123.20.143
traceroute to 172.123.20.143 (172.123.20.143): 64 hops max, 52 byte packets
1 [AS210756] 5.189.223.2 0.17 ms
2 *
3 *
4 [AS3216] 194.85.145.181 0.936 ms
5 [] 79.104.235.120 124.871 ms
6 [] 123.255.90.136 127.391 ms
7 [AS2497] 58.138.84.238 127.247 ms
8 [AS2497] 58.138.81.173 151.421 ms
9 [AS2497] 58.138.80.102 149.525 ms
10 [AS2497] 58.138.104.157 153.782 ms
11 [AS2497] 133.142.196.50 154.553 ms
12 *
13 [AS2497] 172.123.20.143 1470.018 ms
Measurement taken from  IPinfo ProbeNet in Moscow, RU
OnÂ