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  3. 123.21.0.0/16

123.21.0.0/16 IP Range

Summary

ASNs
1
Countries
1
BGP Prefixes25
Routers
9
Pingable IPs
9,392
123.21.0.0/24 Vietnam 100%110
123.21.1.0/24 Vietnam 100%110
123.21.2.0/24 Vietnam 100%110
123.21.3.0/24 Vietnam 100%111
123.21.4.0/24 Vietnam 100%110
123.21.5.0/24 Vietnam 100%110
123.21.6.0/24 Vietnam 100%110
123.21.7.0/24 Vietnam 100%110
123.21.8.0/24 Vietnam 100%110
123.21.9.0/24 Vietnam 100%110
123.21.10.0/24 Vietnam 100%110
123.21.11.0/24 Vietnam 100%110
123.21.12.0/24 Vietnam 100%110
123.21.13.0/24 Vietnam 100%110
123.21.14.0/24 Vietnam 100%110
123.21.15.0/24 Vietnam 100%110
123.21.16.0/24 Vietnam 100%110
123.21.17.0/24 Vietnam 100%110
123.21.18.0/24 Vietnam 100%111
123.21.19.0/24 Vietnam 100%110
123.21.20.0/24 Vietnam 100%110
123.21.21.0/24 Vietnam 100%110
123.21.22.0/24 Vietnam 100%110
123.21.23.0/24 Vietnam 100%110
123.21.24.0/24 Vietnam 100%110
123.21.25.0/24 Vietnam 100%110
123.21.26.0/24 Vietnam 100%111
123.21.27.0/24 Vietnam 100%110
123.21.28.0/24 Vietnam 100%110
123.21.29.0/24 Vietnam 100%110
123.21.30.0/24 Vietnam 100%110
123.21.31.0/24 Vietnam 100%110
123.21.32.0/24 Vietnam 100%110
123.21.33.0/24 Vietnam 100%110
123.21.34.0/24 Vietnam 100%110
123.21.35.0/24 Vietnam 100%110
123.21.36.0/24 Vietnam 100%110
123.21.37.0/24 Vietnam 100%110
123.21.38.0/24 Vietnam 100%110
123.21.39.0/24 Vietnam 100%110
123.21.40.0/24 Vietnam 100%110
123.21.41.0/24 Vietnam 100%110
123.21.42.0/24 Vietnam 100%110
123.21.43.0/24 Vietnam 100%110
123.21.44.0/24 Vietnam 100%110
123.21.45.0/24 Vietnam 100%110
123.21.46.0/24 Vietnam 100%110
123.21.47.0/24 Vietnam 100%110
123.21.48.0/24 Vietnam 100%110
123.21.49.0/24 Vietnam 100%110
123.21.50.0/24 Vietnam 100%110
123.21.51.0/24 Vietnam 100%110
123.21.52.0/24 Vietnam 100%110
123.21.53.0/24 Vietnam 100%110
123.21.54.0/24 Vietnam 100%110
123.21.55.0/24 Vietnam 100%110
123.21.56.0/24 Vietnam 100%110
123.21.57.0/24 Vietnam 100%110
123.21.58.0/24 Vietnam 100%110
123.21.59.0/24 Vietnam 100%110
123.21.60.0/24 Vietnam 100%110
123.21.61.0/24 Vietnam 100%110
123.21.62.0/24 Vietnam 100%110
123.21.63.0/24 Vietnam 100%110
123.21.64.0/24 Vietnam 100%110
123.21.65.0/24 Vietnam 100%110
123.21.66.0/24 Vietnam 100%110
123.21.67.0/24 Vietnam 100%110
123.21.68.0/24 Vietnam 100%110
123.21.69.0/24 Vietnam 100%110
123.21.70.0/24 Vietnam 100%110
123.21.71.0/24 Vietnam 100%110
123.21.72.0/24 Vietnam 100%110
123.21.73.0/24 Vietnam 100%110
123.21.74.0/24 Vietnam 100%110
123.21.75.0/24 Vietnam 100%110
123.21.76.0/24 Vietnam 100%110
123.21.77.0/24 Vietnam 100%111
123.21.78.0/24 Vietnam 100%110
123.21.79.0/24 Vietnam 100%110
123.21.80.0/24 Vietnam 100%110
123.21.81.0/24 Vietnam 100%110
123.21.82.0/24 Vietnam 100%110
123.21.83.0/24 Vietnam 100%110
123.21.84.0/24 Vietnam 100%110
123.21.85.0/24 Vietnam 100%110
123.21.86.0/24 Vietnam 100%111
123.21.87.0/24 Vietnam 100%110
123.21.88.0/24 Vietnam 100%110
123.21.89.0/24 Vietnam 100%110
123.21.90.0/24 Vietnam 100%110
123.21.91.0/24 Vietnam 100%110
123.21.92.0/24 Vietnam 100%110
123.21.93.0/24 Vietnam 100%110
123.21.94.0/24 Vietnam 100%110
123.21.95.0/24 Vietnam 100%110
123.21.96.0/24 Vietnam 100%111
123.21.97.0/24 Vietnam 100%110
123.21.98.0/24 Vietnam 100%110
123.21.99.0/24 Vietnam 100%110
123.21.100.0/24 Vietnam 100%110
123.21.101.0/24 Vietnam 100%110
123.21.102.0/24 Vietnam 100%110
123.21.103.0/24 Vietnam 100%110
123.21.104.0/24 Vietnam 100%110
123.21.105.0/24 Vietnam 100%110
123.21.106.0/24 Vietnam 100%110
123.21.107.0/24 Vietnam 100%110
123.21.108.0/24 Vietnam 100%110
123.21.109.0/24 Vietnam 100%111
123.21.110.0/24 Vietnam 100%110
123.21.111.0/24 Vietnam 100%110
123.21.112.0/24 Vietnam 100%110
123.21.113.0/24 Vietnam 100%110
123.21.114.0/24 Vietnam 100%110
123.21.115.0/24 Vietnam 100%110
123.21.116.0/24 Vietnam 100%110
123.21.117.0/24 Vietnam 100%110
123.21.118.0/24 Vietnam 100%110
123.21.119.0/24 Vietnam 100%110
123.21.120.0/24 Vietnam 100%110
123.21.121.0/24 Vietnam 100%110
123.21.122.0/24 Vietnam 100%110
123.21.123.0/24 Vietnam 100%110
123.21.124.0/24 Vietnam 100%110
123.21.125.0/24 Vietnam 100%110
123.21.126.0/24 Vietnam 100%110
123.21.127.0/24 Vietnam 100%110
123.21.128.0/24 Vietnam 100%110
123.21.129.0/24 Vietnam 100%110
123.21.130.0/24 Vietnam 100%110
123.21.131.0/24 Vietnam 100%110
123.21.132.0/24 Vietnam 100%110
123.21.133.0/24 Vietnam 100%110
123.21.134.0/24 Vietnam 100%110
123.21.135.0/24 Vietnam 100%110
123.21.136.0/24 Vietnam 100%110
123.21.137.0/24 Vietnam 100%110
123.21.138.0/24 Vietnam 100%110
123.21.139.0/24 Vietnam 100%110
123.21.140.0/24 Vietnam 100%110
123.21.141.0/24 Vietnam 100%110
123.21.142.0/24 Vietnam 100%110
123.21.143.0/24 Vietnam 100%110
123.21.144.0/24 Vietnam 100%110
123.21.145.0/24 Vietnam 100%110
123.21.146.0/24 Vietnam 100%110
123.21.147.0/24 Vietnam 100%110
123.21.148.0/24 Vietnam 100%110
123.21.149.0/24 Vietnam 100%110
123.21.150.0/24 Vietnam 100%110
123.21.151.0/24 Vietnam 100%110
123.21.152.0/24 Vietnam 100%110
123.21.153.0/24 Vietnam 100%110
123.21.154.0/24 Vietnam 100%110
123.21.155.0/24 Vietnam 100%110
123.21.156.0/24 Vietnam 100%111
123.21.157.0/24 Vietnam 100%110
123.21.158.0/24 Vietnam 100%110
123.21.159.0/24 Vietnam 100%110
123.21.160.0/24 Vietnam 100%110
123.21.161.0/24 Vietnam 100%110
123.21.162.0/24 Vietnam 100%110
123.21.163.0/24 Vietnam 100%110
123.21.164.0/24 Vietnam 100%110
123.21.165.0/24 Vietnam 100%110
123.21.166.0/24 Vietnam 100%110
123.21.167.0/24 Vietnam 100%110
123.21.168.0/24 Vietnam 100%110
123.21.169.0/24 Vietnam 100%110
123.21.170.0/24 Vietnam 100%110
123.21.171.0/24 Vietnam 100%110
123.21.172.0/24 Vietnam 100%110
123.21.173.0/24 Vietnam 100%110
123.21.174.0/24 Vietnam 100%110
123.21.175.0/24 Vietnam 100%110
123.21.176.0/24 Vietnam 100%110
123.21.177.0/24 Vietnam 100%110
123.21.178.0/24 Vietnam 100%110
123.21.179.0/24 Vietnam 100%110
123.21.180.0/24 Vietnam 100%110
123.21.181.0/24 Vietnam 100%110
123.21.182.0/24 Vietnam 100%110
123.21.183.0/24 Vietnam 100%110
123.21.184.0/24 Vietnam 100%110
123.21.185.0/24 Vietnam 100%110
123.21.186.0/24 Vietnam 100%110
123.21.187.0/24 Vietnam 100%110
123.21.188.0/24 Vietnam 100%110
123.21.189.0/24 Vietnam 100%110
123.21.190.0/24 Vietnam 100%110
123.21.191.0/24 Vietnam 100%110
123.21.192.0/24 Vietnam 100%110
123.21.193.0/24 Vietnam 100%111
123.21.194.0/24 Vietnam 100%110
123.21.195.0/24 Vietnam 100%110
123.21.196.0/24 Vietnam 100%110
123.21.197.0/24 Vietnam 100%110
123.21.198.0/24 Vietnam 100%110
123.21.199.0/24 Vietnam 100%110
123.21.200.0/24 Vietnam 100%110
123.21.201.0/24 Vietnam 100%110
123.21.202.0/24 Vietnam 100%110
123.21.203.0/24 Vietnam 100%110
123.21.204.0/24 Vietnam 100%110
123.21.205.0/24 Vietnam 100%110
123.21.206.0/24 Vietnam 100%110
123.21.207.0/24 Vietnam 100%110
123.21.208.0/24 Vietnam 100%110
123.21.209.0/24 Vietnam 100%110
123.21.210.0/24 Vietnam 100%110
123.21.211.0/24 Vietnam 100%110
123.21.212.0/24 Vietnam 100%110
123.21.213.0/24 Vietnam 100%110
123.21.214.0/24 Vietnam 100%110
123.21.215.0/24 Vietnam 100%110
123.21.216.0/24 Vietnam 100%110
123.21.217.0/24 Vietnam 100%110
123.21.218.0/24 Vietnam 100%110
123.21.219.0/24 Vietnam 100%110
123.21.220.0/24 Vietnam 100%110
123.21.221.0/24 Vietnam 100%110
123.21.222.0/24 Vietnam 100%110
123.21.223.0/24 Vietnam 100%110
123.21.224.0/24 Vietnam 100%110
123.21.225.0/24 Vietnam 100%110
123.21.226.0/24 Vietnam 100%110
123.21.227.0/24 Vietnam 100%110
123.21.228.0/24 Vietnam 100%110
123.21.229.0/24 Vietnam 100%110
123.21.230.0/24 Vietnam 100%110
123.21.231.0/24 Vietnam 100%110
123.21.232.0/24 Vietnam 100%110
123.21.233.0/24 Vietnam 100%110
123.21.234.0/24 Vietnam 100%110
123.21.235.0/24 Vietnam 100%110
123.21.236.0/24 Vietnam 100%110
123.21.237.0/24 Vietnam 100%110
123.21.238.0/24 Vietnam 100%110
123.21.239.0/24 Vietnam 100%110
123.21.240.0/24 Vietnam 100%110
123.21.241.0/24 Vietnam 100%110
123.21.242.0/24 Vietnam 100%110
123.21.243.0/24 Vietnam 100%110
123.21.244.0/24 Vietnam 100%110
123.21.245.0/24 Vietnam 100%110
123.21.246.0/24 Vietnam 100%110
123.21.247.0/24 Vietnam 100%110
123.21.248.0/24 Vietnam 100%110
123.21.249.0/24 Vietnam 100%110
123.21.250.0/24 Vietnam 100%110
123.21.251.0/24 Vietnam 100%110
123.21.252.0/24 Vietnam 100%110
123.21.253.0/24 Vietnam 100%110
123.21.254.0/24 Vietnam 100%110
123.21.255.0/24 Vietnam 100%110

Important routers in 123.21.0.0/16

123.21.77.6
Ho Chi Minh City, Vietnam
AS45899VNPT Corp
123.21.3.229
Ho Chi Minh City, Vietnam
AS45899VNPT Corp
123.21.26.242
Ho Chi Minh City, Vietnam
AS45899VNPT Corp
123.21.156.73
Ho Chi Minh City, Vietnam
AS45899VNPT Corp
123.21.18.13
Ho Chi Minh City, Vietnam
AS45899VNPT Corp
123.21.97.158
Ho Chi Minh City, Vietnam
AS45899VNPT Corp
123.21.193.174
Ho Chi Minh City, Vietnam
AS45899VNPT Corp
123.21.96.236
Ho Chi Minh City, Vietnam
AS45899VNPT Corp
123.21.10.144
Ho Chi Minh City, Vietnam
AS45899VNPT Corp
123.21.148.110
Ho Chi Minh City, Vietnam
AS45899VNPT Corp

Pingable IPs

9,392 IPs in this range replied to an ICMP ping during our most recent internet scan. Learn more.
123.21.254.25PingAS45899VNPT Corp1.32ms from Ho Chi Minh City,  VN
123.21.135.18PingAS45899VNPT Corp1.57ms from Ho Chi Minh City,  VN
123.21.152.159PingAS45899VNPT Corp1.49ms from Ho Chi Minh City,  VN
123.21.212.105PingAS45899VNPT Corp1.60ms from Ho Chi Minh City,  VN
123.21.194.253PingAS45899VNPT Corp1.58ms from Ho Chi Minh City,  VN
123.21.230.190PingAS45899VNPT Corp1.51ms from Ho Chi Minh City,  VN
123.21.238.224PingAS45899VNPT Corp1.48ms from Ho Chi Minh City,  VN
123.21.158.133PingAS45899VNPT Corp1.68ms from Ho Chi Minh City,  VN
123.21.224.146PingAS45899VNPT Corp1.39ms from Ho Chi Minh City,  VN
123.21.174.41PingAS45899VNPT Corp1.55ms from Ho Chi Minh City,  VN

Other Pingable IPs

Below is a random selection of 25 IPs that replied to an ICMP ping during our most recent internet scan.
37.76.102.0PingAS5483Magyar Telekom Plc.10.45ms from Budapest,  HU
69.247.189.160PingAS7922Comcast Cable Communications, LLC14.06ms from Dallas,  US
187.111.195.32PingAS53123Power Telecomunicações Ltda. - ME17.28ms from Fortaleza,  BR
116.97.233.144PingAS24086Viettel Corporation7.67ms from Hanoi,  VN
68.255.83.224PingAS7018AT&T Enterprises, LLC10.57ms from Houston,  US
86.170.47.112PingAS2856British Telecommunications PLC4.07ms from London,  GB
82.48.220.80PingAS3269Telecom Italia S.p.A.1.91ms from Milan,  IT
5.131.244.80PingAS31200Novotelecom Ltd1.66ms from Novosibirsk,  RU
189.15.66.80PingAS53006ALGAR TELECOM S/A6.32ms from Osasco,  BR
87.69.94.0PingAS12400Partner Communications Ltd.3.26ms from Rosh Ha‘Ayin,  IL

Traceroute

Below is a recent traceroute taken from the IPinfo ProbeNet to an IP in this range. Learn more.Traceroute →
$ traceroute -a -n -q1 -f4 123.21.132.144
traceroute to 123.21.132.144 (123.21.132.144): 64 hops max, 52 byte packets
4 [AS45899] 113.171.7.34 41.796 ms
5 [AS45899] 113.171.49.18 38.089 ms
6 *
7 [AS45899] 123.21.132.144 39.341 ms
Measurement taken from  IPinfo ProbeNet in Hong Kong, HK
On