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  1. All IP Ranges
  2. 51.0.0.0/8

51.0.0.0/8 IP Range

Summary

ASNs
36
Countries
51
BGP Prefixes1,236
Routers
23,017
Pingable IPs
1,541,155

Top Countries

Top BGP Prefixes

Top ASNs

  • AS16509 Amazon.com, Inc.
    45.16%
  • 18.49%
  • AS8075 Microsoft Corporation
    13.67%
  • AS16276 OVH SAS
    6.25%
  • Other
    16.43%
51.0.0.0/16 Germany 91%410
51.1.0.0/16 United States 100%110
51.2.0.0/16 United Kingdom 100%100
51.3.0.0/16 United States 100%110
51.4.0.0/16 Israel 100%110
51.5.0.0/16 United States 98%2710
51.6.0.0/16 United Kingdom 100%110
51.7.0.0/16 United Kingdom 100%110
51.8.0.0/16 United States 100%110
51.9.0.0/16 United Kingdom 100%110
51.10.0.0/16 United States 100%4615,397
51.11.0.0/16 United Kingdom 71%210
51.12.0.0/16 Sweden 100%210
51.13.0.0/16 Norway 82%210
51.14.0.0/16 United Kingdom 100%110
51.15.0.0/16 Netherlands 96%2112
51.16.0.0/16 Israel 100%110
51.17.0.0/16 Israel 100%110
51.18.0.0/16 United States 100%100
51.19.0.0/16 United Kingdom 100%110
51.20.0.0/16 Sweden 100%110
51.21.0.0/16 Sweden 100%110
51.22.0.0/16 Germany 100%110
51.23.0.0/16 Germany 100%110
51.24.0.0/16 United Kingdom 100%110
51.25.0.0/16 Germany 100%110
51.26.0.0/16 Germany 100%110
51.27.0.0/16 Germany 100%110
51.28.0.0/16 Germany 100%110
51.29.0.0/16 Germany 100%110
51.30.0.0/16 Germany 100%110
51.31.0.0/16 Germany 100%110
51.32.0.0/16 Germany 100%110
51.33.0.0/16 United Kingdom 100%100
51.34.0.0/16 Switzerland 100%110
51.35.0.0/16 Switzerland 100%110
51.36.0.0/16 Saudi Arabia 100%110
51.37.0.0/16 Ireland 100%110
51.38.0.0/16 France 48%61101
51.39.0.0/16 Saudi Arabia 100%1121
51.40.0.0/16 Germany 100%210
51.41.0.0/16 United States 100%100
51.42.0.0/16 United States 100%110
51.43.0.0/16 United States 100%100
51.44.0.0/16 France 100%110
51.45.0.0/16 France 100%110
51.46.0.0/16 France 100%110
51.47.0.0/16 France 100%110
51.48.0.0/16 Spain 100%110
51.49.0.0/16 Spain 100%110
51.50.0.0/16 Germany 100%110
51.51.0.0/16 United States 100%111
51.52.0.0/16 United Kingdom 100%115,260
51.53.0.0/16 Taiwan 100%210
51.54.0.0/16 United States 100%110
51.55.0.0/16 United States 100%110
51.56.0.0/16 United States 50%210
51.57.0.0/16 United States 100%110
51.58.0.0/16 Israel 100%110
51.59.0.0/16 Brazil 100%110
51.60.0.0/16 Germany 100%210
51.61.0.0/16 United States 100%100
51.62.0.0/16 United Kingdom 100%100
51.63.0.0/16 United Kingdom 100%100
51.64.0.0/16 United Kingdom 100%120
51.65.0.0/16 United Kingdom 100%100
51.66.0.0/16 United Kingdom 100%100
51.67.0.0/16 United Kingdom 100%100
51.68.0.0/16 France 54%61131
51.69.0.0/16 United States 100%110
51.70.0.0/16 Germany 100%110
51.71.0.0/16 United Kingdom 100%100
51.72.0.0/16 Germany 100%110
51.73.0.0/16 Germany 100%110
51.74.0.0/16 Germany 100%110
51.75.0.0/16 France 57%51107
51.76.0.0/16 United States 100%110
51.77.0.0/16 France 61%51149
51.78.0.0/16 United States 100%110
51.79.0.0/16 Canada 50%21111
51.80.0.0/16 United States 100%110
51.81.0.0/16 United States 100%11173
51.82.0.0/16 United States 100%110
51.83.0.0/16 Poland 76%61104
51.84.0.0/16 Israel 100%110
51.85.0.0/16 Israel 100%110
51.86.0.0/16 Israel 100%110
51.87.0.0/16 Israel 100%110
51.88.0.0/16 United States 100%110
51.89.0.0/16 Germany 50%61135
51.90.0.0/16 United States 100%110
51.91.0.0/16 France 100%31181
51.92.0.0/16 Spain 100%110
51.93.0.0/16 Spain 100%110
51.94.0.0/16 Spain 100%110
51.95.0.0/16 Spain 100%110
51.96.0.0/16 Switzerland 100%110
51.97.0.0/16 United States 100%110
51.98.0.0/16 United States 100%110
51.99.0.0/16 United States 100%110
51.100.0.0/16 Italy 100%100
51.101.0.0/16 Italy 100%100
51.102.0.0/16 United States 100%110
51.103.0.0/16 France 75%310
51.104.0.0/16 Ireland 57%210
51.105.0.0/16 Netherlands 80%310
51.106.0.0/16 United States 100%100
51.107.0.0/16 Switzerland 93%310
51.108.0.0/16 Germany 100%110
51.109.0.0/16 United States 100%110
51.110.0.0/16 Germany 100%210
51.111.0.0/16 United States 100%110
51.112.0.0/16 United Arab Emirates 100%110
51.113.0.0/16 United States 100%110
51.114.0.0/16 United States 100%110
51.115.0.0/16 United States 100%100
51.116.0.0/16 Germany 100%110
51.117.0.0/16 United States 100%110
51.118.0.0/16 Italy 100%111
51.119.0.0/16 United States 100%110
51.120.0.0/16 Norway 100%110
51.121.0.0/16 United States 100%110
51.122.0.0/16 Germany 100%110
51.123.0.0/16 Germany 100%110
51.124.0.0/16 Netherlands 100%110
51.125.0.0/16 United States 100%110
51.126.0.0/16 United States 100%110
51.127.0.0/16 Germany 100%110
51.128.0.0/16 Germany 100%110
51.129.0.0/16 United States 100%110
51.130.0.0/16 United Kingdom 100%100
51.131.0.0/16 United States 100%110
51.132.0.0/16 United Kingdom 100%110
51.133.0.0/16 United Kingdom 100%110
51.134.0.0/16 United States 100%110
51.135.0.0/16 United States 100%100
51.136.0.0/16 Netherlands 100%110
51.137.0.0/16 Netherlands 83%210
51.138.0.0/16 Netherlands 85%410
51.139.0.0/16 United States 100%110
51.140.0.0/16 United Kingdom 100%110
51.141.0.0/16 United Kingdom 94%210
51.142.0.0/16 United Kingdom 98%210
51.143.0.0/16 United Kingdom 75%210
51.144.0.0/16 Netherlands 100%110
51.145.0.0/16 United Kingdom 50%210
51.146.0.0/16 United Kingdom 100%110
51.147.0.0/16 United Kingdom 100%100
51.148.0.0/16 United Kingdom 100%11258
51.149.0.0/16 United Kingdom 100%1514
51.150.0.0/16 Germany 100%110
51.151.0.0/16 Germany 100%110
51.152.0.0/16 Germany 100%110
51.153.0.0/16 Germany 100%110
51.154.0.0/16 Switzerland 100%110
51.155.0.0/16 United Kingdom 100%111,042
51.156.0.0/16 Germany 100%110
51.157.0.0/16 Germany 100%210
51.158.0.0/16 Netherlands 80%21466
51.159.0.0/16 France 69%2196
51.160.0.0/16 United States 100%110
51.161.0.0/16 Australia 73%21102
51.162.0.0/16 Australia 37%93776
51.163.0.0/16 United Kingdom 70%114551
51.164.0.0/16 Germany 100%100
51.165.0.0/16 Germany 100%100
51.166.0.0/16 Germany 100%100
51.167.0.0/16 Germany 100%100
51.168.0.0/16 Saudi Arabia 100%110
51.169.0.0/16 Saudi Arabia 100%110
51.170.0.0/16 Sweden 100%100
51.171.0.0/16 Ireland 100%114
51.172.0.0/16 United States 100%110
51.173.0.0/16 United States 100%110
51.174.0.0/16 Norway 100%114
51.175.0.0/16 Norway 100%117
51.176.0.0/16 United States 100%110
51.177.0.0/16 United States 100%110
51.178.0.0/16 France 100%51155
51.179.0.0/16 Italy 72%35301
51.180.0.0/16 United States 100%110
51.181.0.0/16 United States 100%110
51.182.0.0/16 Ireland 100%110
51.183.0.0/16 Ireland 100%110
51.184.0.0/16 United States 100%110
51.185.0.0/16 United States 100%110
51.186.0.0/16 Ireland 100%110
51.187.0.0/16 Ireland 100%110
51.188.0.0/16 United States 100%110
51.189.0.0/16 United States 100%110
51.190.0.0/16 United Kingdom 100%110
51.191.0.0/16 United Kingdom 100%110
51.192.0.0/16 United States 100%110
51.193.0.0/16 United States 100%110
51.194.0.0/16 United Kingdom 100%110
51.195.0.0/16 United Kingdom 50%71115
51.196.0.0/16 United States 100%110
51.197.0.0/16 United States 100%110
51.198.0.0/16 United Kingdom 99%225
51.199.0.0/16 Ireland 100%122
51.200.0.0/16 United Kingdom 100%100
51.201.0.0/16 United Kingdom 100%100
51.202.0.0/16 United Kingdom 100%100
51.203.0.0/16 United Kingdom 100%100
51.204.0.0/16 Saudi Arabia 100%100
51.205.0.0/16 Saudi Arabia 100%100
51.206.0.0/16 Saudi Arabia 100%100
51.207.0.0/16 Saudi Arabia 100%100
51.208.0.0/16 United States 100%110
51.209.0.0/16 United States 100%110
51.210.0.0/16 France 100%31157
51.211.0.0/16 Saudi Arabia 100%12137
51.212.0.0/16 United States 100%110
51.213.0.0/16 United States 100%110
51.214.0.0/16 Germany 100%210
51.215.0.0/16 Germany 100%210
51.216.0.0/16 United States 100%110
51.217.0.0/16 United States 100%110
51.218.0.0/16 Saudi Arabia 100%110
51.219.0.0/16 United Kingdom 100%114,795
51.220.0.0/16 United States 100%110
51.221.0.0/16 United States 100%110
51.222.0.0/16 Canada 100%11200
51.223.0.0/16 Saudi Arabia 100%110
51.224.0.0/16 Germany 100%110
51.225.0.0/16 Germany 100%110
51.226.0.0/16 Germany 100%100
51.227.0.0/16 Germany 100%100
51.228.0.0/16 United States 100%110
51.229.0.0/16 United States 100%110
51.230.0.0/16 United Kingdom 100%110
51.231.0.0/16 United Kingdom 100%100
51.232.0.0/16 United States 100%110
51.233.0.0/16 United States 100%110
51.234.0.0/16 United Kingdom 100%100
51.235.0.0/16 Saudi Arabia 100%120
51.236.0.0/16 United States 100%110
51.237.0.0/16 United States 100%110
51.238.0.0/16 United Kingdom 100%100
51.239.0.0/16 United Kingdom 100%100
51.240.0.0/16 United States 100%110
51.241.0.0/16 United Kingdom 100%110
51.242.0.0/16 United Kingdom 100%100
51.243.0.0/16 United Kingdom 100%100
51.244.0.0/16 United States 100%110
51.245.0.0/16 United States 100%110
51.246.0.0/16 United Kingdom 100%100
51.247.0.0/16 United Kingdom 100%100
51.248.0.0/16 United States 100%110
51.249.0.0/16 United States 100%110
51.250.0.0/16 Russia 100%110
51.251.0.0/16 United Kingdom 100%100
51.252.0.0/16 Saudi Arabia 100%110
51.253.0.0/16 Saudi Arabia 100%110
51.254.0.0/16 France 100%6159
51.255.0.0/16 France 100%711,887

Pingable IPs

1,541,155 IPs in this range replied to an ICMP ping during our most recent internet scan. Learn more.
51.171.55.72AS5466 Eircom Limited1.55ms from Dublin,  IE
51.171.162.189AS5466 Eircom Limited5.12ms from Dublin,  IE
51.171.150.1AS5466 Eircom Limited4.61ms from Dublin,  IE
51.171.127.175AS5466 Eircom Limited4.54ms from Dublin,  IE
51.171.194.1AS5466 Eircom Limited5.26ms from Dublin,  IE
51.171.223.69AS5466 Eircom Limited4.30ms from Dublin,  IE
51.171.155.89AS5466 Eircom Limited1.61ms from Dublin,  IE
51.163.22.50AS15830 Equinix (EMEA) Acquisition Enterprises B.V.0.66ms from Madrid,  ES
51.163.46.106AS15830 Equinix (EMEA) Acquisition Enterprises B.V.0.24ms from Aubervilliers,  FR
51.171.41.26AS5466 Eircom Limited3.69ms from Dublin,  IE

Other Pingable IPs

Below is a random selection of 25 IPs that replied to an ICMP ping during our most recent internet scan.
2.203.38.56AS3209 Vodafone GmbH9.92ms from Berlin,  DE
76.29.113.136AS7922 Comcast Cable Communications, LLC3.66ms from Chicago,  US
74.178.72.200AS8075 Microsoft Corporation0.21ms from Dublin,  IE
98.71.30.120AS8075 Microsoft Corporation0.64ms from Dublin,  IE
119.93.17.120AS9299 Philippine Long Distance Telephone Company1.69ms from Manila,  PH
79.42.60.88AS3269 Telecom Italia S.p.A.4.76ms from Milan,  IT
216.16.120.72AS20412 Clarity Telecom LLC5.89ms from Minneapolis,  US
177.82.182.248AS28573 Claro NXT Telecomunicacoes Ltda12.03ms from Sao Paulo,  BR
52.62.193.152AS16509 Amazon.com, Inc.0.12ms from Sydney,  AU
18.183.254.24AS16509 Amazon.com, Inc.0.27ms from Tokyo,  JP

Traceroute

Below is a recent traceroute taken from the IPinfo ProbeNet to an IP in this range. Learn more.
$
traceroute -a -n -q1 -f2 51.199.41.50
traceroute to 51.199.41.50 (51.199.41.50): 64 hops max, 52 byte packets
2 [AS39122] 78.153.193.47 1.294 ms
3 *
4 *
5 [AS5607] 51.199.41.50 2.449 ms
Measurement taken from  IPinfo ProbeNet in Dublin, IE
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