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InternetData
65,536 routable7 ASes
/16 subnet

123.0.0.0/16

Where this subnet is, who announces it, and what our databases hold in it. Below, every /24 inside it; open one for its addresses.

65,536
routable addresses
65,536
geolocated
5
countries
7
announcing ASes
77
announced prefixes
2,359
anonymous addresses

Where it is

Addresses IP Geolocation places in each country, as a share of those it places.

  1. Taiwan24,576 · 37.50%
  2. China16,384 · 25.00%
  3. Japan16,384 · 25.00%
  4. Bangladesh4,096 · 6.25%
  5. South Korea4,096 · 6.25%

Who announces it

Each /24 counted for the AS announcing most of it, as a share of the routable addresses.

  1. AS18278Cable TV Corporation16,384 · 25.00%
  2. AS131596TBC16,384 · 25.00%
  3. AS24164UNION BROADBAND NETWORK8,192 · 12.50%
  4. AS56054Icon Infotech Limited3,328 · 5.08%
  5. AS59341SINE-10 (BD) LIMITED256 · 0.39%
  6. AS139715Quant FinTech Ltd.256 · 0.39%
  7. AS150180AFREN IT256 · 0.39%

What the databases see

Addresses each address-keyed database holds in this block, as a share of its routable addresses. Counts overlap: one address can be in several.

Announced prefixes

Every prefix inside this block that BGP Route saw announced, with its origin and RPKI status.

77 prefixes
PREFIXORIGINCOUNTRYRPKIPEERSFIRST SEEN
123.0.16.0/20AS56054Icon Infotech LimitedBangladeshValid172026-10-02
123.0.16.0/24AS56054Icon Infotech LimitedBangladeshValid172026-10-02
123.0.17.0/24AS56054Icon Infotech LimitedBangladeshValid172026-10-02
123.0.18.0/24AS56054Icon Infotech LimitedBangladeshValid172026-10-02
123.0.19.0/24AS56054Icon Infotech LimitedBangladeshValid172026-10-02
123.0.20.0/24AS56054Icon Infotech LimitedBangladeshValid172026-10-02
123.0.21.0/24AS56054Icon Infotech LimitedBangladeshValid172026-10-02
123.0.22.0/24AS56054Icon Infotech LimitedBangladeshValid172026-10-02
123.0.23.0/24AS56054Icon Infotech LimitedBangladeshValid172026-10-02
123.0.24.0/24AS56054Icon Infotech LimitedBangladeshValid172026-10-02
123.0.25.0/24AS56054Icon Infotech LimitedBangladeshValid172026-10-02
123.0.26.0/24AS56054Icon Infotech LimitedBangladeshValid172026-10-02
123.0.27.0/24AS56054Icon Infotech LimitedBangladeshValid172026-10-02
123.0.28.0/24AS150180AFREN ITBangladeshValid182026-10-02
123.0.29.0/24AS139715Quant FinTech Ltd.BangladeshValid172026-10-02
123.0.30.0/24AS59341SINE-10 (BD) LIMITEDBangladeshValid182026-10-02
123.0.31.0/24AS56054Icon Infotech LimitedBangladeshValid172026-10-02
123.0.32.0/19AS24164UNION BROADBAND NETWORKTaiwanValid172026-10-02
123.0.32.0/20AS24164UNION BROADBAND NETWORKTaiwanValid172026-10-02
123.0.32.0/21AS24164UNION BROADBAND NETWORKTaiwanValid172026-10-02
123.0.40.0/23AS24164UNION BROADBAND NETWORKTaiwanValid172026-10-02
123.0.42.0/24AS24164UNION BROADBAND NETWORKTaiwanValid172026-10-02
123.0.44.0/22AS24164UNION BROADBAND NETWORKTaiwanValid172026-10-02
123.0.48.0/20AS24164UNION BROADBAND NETWORKTaiwanValid172026-10-02
123.0.48.0/21AS24164UNION BROADBAND NETWORKTaiwanValid172026-10-02
123.0.56.0/21AS24164UNION BROADBAND NETWORKTaiwanValid172026-10-02
123.0.64.0/19AS18278Cable TV CorporationJapanValid172026-10-02
123.0.96.0/19AS18278Cable TV CorporationJapanValid172026-10-02
123.0.192.0/18AS131596TBCTaiwanValid172026-10-02
123.0.192.0/22AS131596TBCTaiwanValid172026-10-02
123.0.192.0/23AS131596TBCTaiwanValid182026-10-02
123.0.194.0/23AS131596TBCTaiwanValid182026-10-02
123.0.196.0/22AS131596TBCTaiwanValid172026-10-02
123.0.196.0/23AS131596TBCTaiwanValid182026-10-02
123.0.198.0/23AS131596TBCTaiwanValid182026-10-02
123.0.200.0/22AS131596TBCTaiwanValid172026-10-02
123.0.200.0/23AS131596TBCTaiwanValid182026-10-02
123.0.202.0/23AS131596TBCTaiwanValid182026-10-02
123.0.204.0/22AS131596TBCTaiwanValid172026-10-02
123.0.204.0/23AS131596TBCTaiwanValid182026-10-02
123.0.206.0/23AS131596TBCTaiwanValid182026-10-02
123.0.208.0/22AS131596TBCTaiwanValid172026-10-02
123.0.208.0/23AS131596TBCTaiwanValid182026-10-02
123.0.210.0/23AS131596TBCTaiwanValid182026-10-02
123.0.212.0/22AS131596TBCTaiwanValid172026-10-02
123.0.212.0/23AS131596TBCTaiwanValid182026-10-02
123.0.214.0/23AS131596TBCTaiwanValid182026-10-02
123.0.216.0/22AS131596TBCTaiwanValid172026-10-02
123.0.216.0/23AS131596TBCTaiwanValid182026-10-02
123.0.218.0/23AS131596TBCTaiwanValid182026-10-02
123.0.220.0/22AS131596TBCTaiwanValid172026-10-02
123.0.220.0/23AS131596TBCTaiwanValid182026-10-02
123.0.222.0/23AS131596TBCTaiwanValid182026-10-02
123.0.224.0/22AS131596TBCTaiwanValid172026-10-02
123.0.224.0/23AS131596TBCTaiwanValid182026-10-02
123.0.226.0/23AS131596TBCTaiwanValid182026-10-02
123.0.228.0/22AS131596TBCTaiwanValid172026-10-02
123.0.228.0/23AS131596TBCTaiwanValid182026-10-02
123.0.230.0/23AS131596TBCTaiwanValid182026-10-02
123.0.232.0/22AS131596TBCTaiwanValid172026-10-02
123.0.232.0/23AS131596TBCTaiwanValid182026-10-02
123.0.234.0/23AS131596TBCTaiwanValid182026-10-02
123.0.236.0/22AS131596TBCTaiwanValid172026-10-02
123.0.236.0/23AS131596TBCTaiwanValid182026-10-02
123.0.238.0/23AS131596TBCTaiwanValid182026-10-02
123.0.240.0/22AS131596TBCTaiwanValid172026-10-02
123.0.240.0/23AS131596TBCTaiwanValid182026-10-02
123.0.242.0/23AS131596TBCTaiwanValid182026-10-02
123.0.244.0/22AS131596TBCTaiwanValid172026-10-02
123.0.244.0/23AS131596TBCTaiwanValid182026-10-02
123.0.246.0/23AS131596TBCTaiwanValid182026-10-02
123.0.248.0/22AS131596TBCTaiwanValid172026-10-02
123.0.248.0/23AS131596TBCTaiwanValid182026-10-02
123.0.250.0/23AS131596TBCTaiwanValid182026-10-02
123.0.252.0/22AS131596TBCTaiwanValid172026-10-02
123.0.252.0/23AS131596TBCTaiwanValid182026-10-02
123.0.254.0/23AS131596TBCTaiwanValid182026-10-02

Every /24 inside it

123.0.0.0/24South Korea—000.00%
123.0.1.0/24South Korea—000.00%
123.0.2.0/24South Korea—000.00%
123.0.3.0/24South Korea—000.00%
123.0.4.0/24South Korea—000.00%
123.0.5.0/24South Korea—000.00%
123.0.6.0/24South Korea—000.00%
123.0.7.0/24South Korea—000.00%
123.0.8.0/24South Korea—000.00%
123.0.9.0/24South Korea—000.00%
123.0.10.0/24South Korea—000.00%
123.0.11.0/24South Korea—000.00%
123.0.12.0/24South Korea—000.00%
123.0.13.0/24South Korea—000.00%
123.0.14.0/24South Korea—000.00%
123.0.15.0/24South Korea—000.00%
123.0.16.0/24BangladeshAS56054Icon Infotech Limited37014.45%
123.0.17.0/24BangladeshAS56054Icon Infotech Limited35013.67%
123.0.18.0/24BangladeshAS56054Icon Infotech Limited43016.80%
123.0.19.0/24BangladeshAS56054Icon Infotech Limited37256100.00%
123.0.20.0/24BangladeshAS56054Icon Infotech Limited31012.11%
123.0.21.0/24BangladeshAS56054Icon Infotech Limited2308.98%
123.0.22.0/24BangladeshAS56054Icon Infotech Limited34013.28%
123.0.23.0/24BangladeshAS56054Icon Infotech Limited100.39%
123.0.24.0/24BangladeshAS56054Icon Infotech Limited2308.98%
123.0.25.0/24BangladeshAS56054Icon Infotech Limited49019.14%
123.0.26.0/24BangladeshAS56054Icon Infotech Limited1505.86%
123.0.27.0/24BangladeshAS56054Icon Infotech Limited1505.86%
123.0.28.0/24BangladeshAS150180AFREN IT100.39%
123.0.29.0/24BangladeshAS139715Quant FinTech Ltd.301.17%
123.0.30.0/24BangladeshAS59341SINE-10 (BD) LIMITED1305.08%
123.0.31.0/24BangladeshAS56054Icon Infotech Limited000.00%
123.0.32.0/24TaiwanAS24164UNION BROADBAND NETWORK000.00%
123.0.33.0/24TaiwanAS24164UNION BROADBAND NETWORK000.00%
123.0.34.0/24TaiwanAS24164UNION BROADBAND NETWORK000.00%
123.0.35.0/24TaiwanAS24164UNION BROADBAND NETWORK000.00%
123.0.36.0/24TaiwanAS24164UNION BROADBAND NETWORK000.00%
123.0.37.0/24TaiwanAS24164UNION BROADBAND NETWORK000.00%
123.0.38.0/24TaiwanAS24164UNION BROADBAND NETWORK000.00%
123.0.39.0/24TaiwanAS24164UNION BROADBAND NETWORK000.00%
123.0.40.0/24TaiwanAS24164UNION BROADBAND NETWORK000.00%
123.0.41.0/24TaiwanAS24164UNION BROADBAND NETWORK000.00%
123.0.42.0/24TaiwanAS24164UNION BROADBAND NETWORK000.00%
123.0.43.0/24TaiwanAS24164UNION BROADBAND NETWORK000.00%
123.0.44.0/24TaiwanAS24164UNION BROADBAND NETWORK000.00%
123.0.45.0/24TaiwanAS24164UNION BROADBAND NETWORK000.00%
123.0.46.0/24TaiwanAS24164UNION BROADBAND NETWORK000.00%
123.0.47.0/24TaiwanAS24164UNION BROADBAND NETWORK000.00%
123.0.48.0/24TaiwanAS24164UNION BROADBAND NETWORK000.00%
123.0.49.0/24TaiwanAS24164UNION BROADBAND NETWORK000.00%
123.0.50.0/24TaiwanAS24164UNION BROADBAND NETWORK000.00%
123.0.51.0/24TaiwanAS24164UNION BROADBAND NETWORK000.00%
123.0.52.0/24TaiwanAS24164UNION BROADBAND NETWORK000.00%
123.0.53.0/24TaiwanAS24164UNION BROADBAND NETWORK000.00%
123.0.54.0/24TaiwanAS24164UNION BROADBAND NETWORK000.00%
123.0.55.0/24TaiwanAS24164UNION BROADBAND NETWORK000.00%
123.0.56.0/24TaiwanAS24164UNION BROADBAND NETWORK000.00%
123.0.57.0/24TaiwanAS24164UNION BROADBAND NETWORK000.00%
123.0.58.0/24TaiwanAS24164UNION BROADBAND NETWORK000.00%
123.0.59.0/24TaiwanAS24164UNION BROADBAND NETWORK000.00%
123.0.60.0/24TaiwanAS24164UNION BROADBAND NETWORK000.00%
123.0.61.0/24TaiwanAS24164UNION BROADBAND NETWORK000.00%
123.0.62.0/24TaiwanAS24164UNION BROADBAND NETWORK000.00%
123.0.63.0/24TaiwanAS24164UNION BROADBAND NETWORK100.39%
123.0.64.0/24JapanAS18278Cable TV Corporation73028.52%
123.0.65.0/24JapanAS18278Cable TV Corporation57022.27%
123.0.66.0/24JapanAS18278Cable TV Corporation47018.36%
123.0.67.0/24JapanAS18278Cable TV Corporation61023.83%
123.0.68.0/24JapanAS18278Cable TV Corporation45017.58%
123.0.69.0/24JapanAS18278Cable TV Corporation50019.53%
123.0.70.0/24JapanAS18278Cable TV Corporation45017.58%
123.0.71.0/24JapanAS18278Cable TV Corporation53020.70%
123.0.72.0/24JapanAS18278Cable TV Corporation37014.45%
123.0.73.0/24JapanAS18278Cable TV Corporation54021.09%
123.0.74.0/24JapanAS18278Cable TV Corporation47018.36%
123.0.75.0/24JapanAS18278Cable TV Corporation50019.53%
123.0.76.0/24JapanAS18278Cable TV Corporation56021.88%
123.0.77.0/24JapanAS18278Cable TV Corporation63024.61%
123.0.78.0/24JapanAS18278Cable TV Corporation51019.92%
123.0.79.0/24JapanAS18278Cable TV Corporation46017.97%
123.0.80.0/24JapanAS18278Cable TV Corporation46017.97%
123.0.81.0/24JapanAS18278Cable TV Corporation59023.05%
123.0.82.0/24JapanAS18278Cable TV Corporation57022.27%
123.0.83.0/24JapanAS18278Cable TV Corporation49019.14%
123.0.84.0/24JapanAS18278Cable TV Corporation54021.09%
123.0.85.0/24JapanAS18278Cable TV Corporation54021.09%
123.0.86.0/24JapanAS18278Cable TV Corporation47018.36%
123.0.87.0/24JapanAS18278Cable TV Corporation65025.39%
123.0.88.0/24JapanAS18278Cable TV Corporation55021.48%
123.0.89.0/24JapanAS18278Cable TV Corporation50019.53%
123.0.90.0/24JapanAS18278Cable TV Corporation58022.66%
123.0.91.0/24JapanAS18278Cable TV Corporation54021.09%
123.0.92.0/24JapanAS18278Cable TV Corporation41016.02%
123.0.93.0/24JapanAS18278Cable TV Corporation57022.27%
123.0.94.0/24JapanAS18278Cable TV Corporation49019.14%
123.0.95.0/24JapanAS18278Cable TV Corporation51019.92%
123.0.96.0/24JapanAS18278Cable TV Corporation000.00%
123.0.97.0/24JapanAS18278Cable TV Corporation000.00%
123.0.98.0/24JapanAS18278Cable TV Corporation000.00%
123.0.99.0/24JapanAS18278Cable TV Corporation000.00%
123.0.100.0/24JapanAS18278Cable TV Corporation301.17%
123.0.101.0/24JapanAS18278Cable TV Corporation000.00%
123.0.102.0/24JapanAS18278Cable TV Corporation000.00%
123.0.103.0/24JapanAS18278Cable TV Corporation000.00%
123.0.104.0/24JapanAS18278Cable TV Corporation000.00%
123.0.105.0/24JapanAS18278Cable TV Corporation000.00%
123.0.106.0/24JapanAS18278Cable TV Corporation000.00%
123.0.107.0/24JapanAS18278Cable TV Corporation000.00%
123.0.108.0/24JapanAS18278Cable TV Corporation000.00%
123.0.109.0/24JapanAS18278Cable TV Corporation000.00%
123.0.110.0/24JapanAS18278Cable TV Corporation000.00%
123.0.111.0/24JapanAS18278Cable TV Corporation000.00%
123.0.112.0/24JapanAS18278Cable TV Corporation000.00%
123.0.113.0/24JapanAS18278Cable TV Corporation000.00%
123.0.114.0/24JapanAS18278Cable TV Corporation000.00%
123.0.115.0/24JapanAS18278Cable TV Corporation000.00%
123.0.116.0/24JapanAS18278Cable TV Corporation000.00%
123.0.117.0/24JapanAS18278Cable TV Corporation000.00%
123.0.118.0/24JapanAS18278Cable TV Corporation000.00%
123.0.119.0/24JapanAS18278Cable TV Corporation000.00%
123.0.120.0/24JapanAS18278Cable TV Corporation000.00%
123.0.121.0/24JapanAS18278Cable TV Corporation000.00%
123.0.122.0/24JapanAS18278Cable TV Corporation000.00%
123.0.123.0/24JapanAS18278Cable TV Corporation000.00%
123.0.124.0/24JapanAS18278Cable TV Corporation000.00%
123.0.125.0/24JapanAS18278Cable TV Corporation000.00%
123.0.126.0/24JapanAS18278Cable TV Corporation000.00%
123.0.127.0/24JapanAS18278Cable TV Corporation000.00%
123.0.128.0/24China—000.00%
123.0.129.0/24China—000.00%
123.0.130.0/24China—000.00%
123.0.131.0/24China—000.00%
123.0.132.0/24China—000.00%
123.0.133.0/24China—000.00%
123.0.134.0/24China—000.00%
123.0.135.0/24China—000.00%
123.0.136.0/24China—000.00%
123.0.137.0/24China—000.00%
123.0.138.0/24China—000.00%
123.0.139.0/24China—000.00%
123.0.140.0/24China—000.00%
123.0.141.0/24China—000.00%
123.0.142.0/24China—000.00%
123.0.143.0/24China—000.00%
123.0.144.0/24China—000.00%
123.0.145.0/24China—000.00%
123.0.146.0/24China—000.00%
123.0.147.0/24China—000.00%
123.0.148.0/24China—000.00%
123.0.149.0/24China—000.00%
123.0.150.0/24China—000.00%
123.0.151.0/24China—000.00%
123.0.152.0/24China—000.00%
123.0.153.0/24China—000.00%
123.0.154.0/24China—000.00%
123.0.155.0/24China—000.00%
123.0.156.0/24China—000.00%
123.0.157.0/24China—000.00%
123.0.158.0/24China—000.00%
123.0.159.0/24China—000.00%
123.0.160.0/24China—000.00%
123.0.161.0/24China—000.00%
123.0.162.0/24China—000.00%
123.0.163.0/24China—000.00%
123.0.164.0/24China—000.00%
123.0.165.0/24China—000.00%
123.0.166.0/24China—000.00%
123.0.167.0/24China—000.00%
123.0.168.0/24China—000.00%
123.0.169.0/24China—000.00%
123.0.170.0/24China—000.00%
123.0.171.0/24China—000.00%
123.0.172.0/24China—000.00%
123.0.173.0/24China—000.00%
123.0.174.0/24China—000.00%
123.0.175.0/24China—000.00%
123.0.176.0/24China—000.00%
123.0.177.0/24China—000.00%
123.0.178.0/24China—000.00%
123.0.179.0/24China—000.00%
123.0.180.0/24China—000.00%
123.0.181.0/24China—000.00%
123.0.182.0/24China—000.00%
123.0.183.0/24China—000.00%
123.0.184.0/24China—000.00%
123.0.185.0/24China—000.00%
123.0.186.0/24China—000.00%
123.0.187.0/24China—000.00%
123.0.188.0/24China—000.00%
123.0.189.0/24China—000.00%
123.0.190.0/24China—000.00%
123.0.191.0/24China—000.00%
123.0.192.0/24TaiwanAS131596TBC1003.91%
123.0.193.0/24TaiwanAS131596TBC200.78%
123.0.194.0/24TaiwanAS131596TBC301.17%
123.0.195.0/24TaiwanAS131596TBC200.78%
123.0.196.0/24TaiwanAS131596TBC501.95%
123.0.197.0/24TaiwanAS131596TBC200.78%
123.0.198.0/24TaiwanAS131596TBC602.34%
123.0.199.0/24TaiwanAS131596TBC401.56%
123.0.200.0/24TaiwanAS131596TBC1104.30%
123.0.201.0/24TaiwanAS131596TBC1003.91%
123.0.202.0/24TaiwanAS131596TBC200.78%
123.0.203.0/24TaiwanAS131596TBC200.78%
123.0.204.0/24TaiwanAS131596TBC100.39%
123.0.205.0/24TaiwanAS131596TBC702.73%
123.0.206.0/24TaiwanAS131596TBC702.73%
123.0.207.0/24TaiwanAS131596TBC200.78%
123.0.208.0/24TaiwanAS131596TBC803.13%
123.0.209.0/24TaiwanAS131596TBC702.73%
123.0.210.0/24TaiwanAS131596TBC401.56%
123.0.211.0/24TaiwanAS131596TBC100.39%
123.0.212.0/24TaiwanAS131596TBC903.52%
123.0.213.0/24TaiwanAS131596TBC501.95%
123.0.214.0/24TaiwanAS131596TBC301.17%
123.0.215.0/24TaiwanAS131596TBC301.17%
123.0.216.0/24TaiwanAS131596TBC401.56%
123.0.217.0/24TaiwanAS131596TBC803.13%
123.0.218.0/24TaiwanAS131596TBC200.78%
123.0.219.0/24TaiwanAS131596TBC401.56%
123.0.220.0/24TaiwanAS131596TBC702.73%
123.0.221.0/24TaiwanAS131596TBC501.95%
123.0.222.0/24TaiwanAS131596TBC1003.91%
123.0.223.0/24TaiwanAS131596TBC301.17%
123.0.224.0/24TaiwanAS131596TBC200.78%
123.0.225.0/24TaiwanAS131596TBC1003.91%
123.0.226.0/24TaiwanAS131596TBC200.78%
123.0.227.0/24TaiwanAS131596TBC100.39%
123.0.228.0/24TaiwanAS131596TBC200.78%
123.0.229.0/24TaiwanAS131596TBC401.56%
123.0.230.0/24TaiwanAS131596TBC401.56%
123.0.231.0/24TaiwanAS131596TBC401.56%
123.0.232.0/24TaiwanAS131596TBC501.95%
123.0.233.0/24TaiwanAS131596TBC501.95%
123.0.234.0/24TaiwanAS131596TBC100.39%
123.0.235.0/24TaiwanAS131596TBC903.52%
123.0.236.0/24TaiwanAS131596TBC1003.91%
123.0.237.0/24TaiwanAS131596TBC501.95%
123.0.238.0/24TaiwanAS131596TBC803.13%
123.0.239.0/24TaiwanAS131596TBC501.95%
123.0.240.0/24TaiwanAS131596TBC602.34%
123.0.241.0/24TaiwanAS131596TBC301.17%
123.0.242.0/24TaiwanAS131596TBC602.34%
123.0.243.0/24TaiwanAS131596TBC100.39%
123.0.244.0/24TaiwanAS131596TBC401.56%
123.0.245.0/24TaiwanAS131596TBC602.34%
123.0.246.0/24TaiwanAS131596TBC1003.91%
123.0.247.0/24TaiwanAS131596TBC100.39%
123.0.248.0/24TaiwanAS131596TBC702.73%
123.0.249.0/24TaiwanAS131596TBC000.00%
123.0.250.0/24TaiwanAS131596TBC702.73%
123.0.251.0/24TaiwanAS131596TBC301.17%
123.0.252.0/24TaiwanAS131596TBC702.73%
123.0.253.0/24TaiwanAS131596TBC301.17%
123.0.254.0/24TaiwanAS131596TBC903.52%
123.0.255.0/24TaiwanAS131596TBC501.95%
00 · Evaluate

Test the real build first.

An evaluation license puts a full current build in your hands, with no sampling, so you can measure it against your own traffic before anyone talks about terms.

01 · License

Then license what you use.

Standard, for detection and decisions inside your own product and operations.
Redistribution, when the data ships onward inside what you sell, priced by scope rather than by seat.
Annual terms, a named contact, and monthly, quarterly or yearly payment.