Skip to main content
IPinfo - Comprehensive IP address data, IP geolocation API and database

51.0.0.0/8 IP Range

Summary

ASNs
71
Countries
58
BGP Prefixes1,380
Routers
24,235
Pingable IPs
1,659,789
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 Germany 100%110
51.4.0.0/16 Israel 100%110
51.5.0.0/16 United States 99%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%4916,552
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%111
51.15.0.0/16 Netherlands 94%2112
51.16.0.0/16 Israel 100%111
51.17.0.0/16 Israel 100%112
51.18.0.0/16 United States 100%100
51.19.0.0/16 United Kingdom 100%100
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%117
51.37.0.0/16 Ireland 100%111
51.38.0.0/16 France 45%10199
51.39.0.0/16 Saudi Arabia 100%1117
51.40.0.0/16 Germany 100%110
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%212
51.52.0.0/16 United Kingdom 100%115,279
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 Australia 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%110
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%130
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 38%91137
51.69.0.0/16 Germany 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 Germany 48%6192
51.76.0.0/16 United States 100%110
51.77.0.0/16 France 51%71137
51.78.0.0/16 United States 100%110
51.79.0.0/16 Singapore 51%21105
51.80.0.0/16 United States 100%110
51.81.0.0/16 United States 100%21155
51.82.0.0/16 United States 100%110
51.83.0.0/16 Poland 79%41101
51.84.0.0/16 Israel 100%111
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 59%51146
51.90.0.0/16 United States 100%110
51.91.0.0/16 France 100%91190
51.92.0.0/16 Spain 100%110
51.93.0.0/16 Spain 100%110
51.94.0.0/16 Spain 100%111
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 Germany 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%110
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%110
51.119.0.0/16 United States 100%110
51.120.0.0/16 Norway 100%110
51.121.0.0/16 Germany 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 Germany 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 95%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%2111
51.147.0.0/16 United Kingdom 100%100
51.148.0.0/16 United Kingdom 100%11248
51.149.0.0/16 United Kingdom 100%1510
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%111,075
51.156.0.0/16 Germany 100%110
51.157.0.0/16 Germany 100%110
51.158.0.0/16 Netherlands 74%21503
51.159.0.0/16 Netherlands 52%2196
51.160.0.0/16 United States 100%110
51.161.0.0/16 Australia 70%61116
51.162.0.0/16 Australia 37%94810
51.163.0.0/16 United Kingdom 70%114545
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 76%720
51.171.0.0/16 Ireland 100%115
51.172.0.0/16 Germany 100%110
51.173.0.0/16 Germany 100%110
51.174.0.0/16 Norway 100%110
51.175.0.0/16 Norway 100%110
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%71143
51.179.0.0/16 Italy 79%45283
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%2290
51.195.0.0/16 Germany 67%71105
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%123
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%61165
51.211.0.0/16 Saudi Arabia 100%12119
51.212.0.0/16 Germany 100%110
51.213.0.0/16 Germany 100%110
51.214.0.0/16 Germany 100%110
51.215.0.0/16 Germany 100%110
51.216.0.0/16 Germany 100%110
51.217.0.0/16 Germany 100%110
51.218.0.0/16 Saudi Arabia 100%110
51.219.0.0/16 United Kingdom 100%114,775
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%11181
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%100
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 99%9155
51.255.0.0/16 France 100%1011,954

Important routers in 51.0.0.0/8

51.148.73.95
Rochdale, United Kingdom
AS13037Zen Internet Ltd
51.148.73.101
Rochdale, United Kingdom
AS13037Zen Internet Ltd
51.148.73.86
Rochdale, United Kingdom
AS13037Zen Internet Ltd
51.148.244.87
Rochdale, United Kingdom
AS13037Zen Internet Ltd
51.148.244.89
Rochdale, United Kingdom
AS13037Zen Internet Ltd
51.158.8.59
Paris, France
AS12876Scaleway SAS
51.158.8.57
Paris, France
AS12876Scaleway SAS
51.148.244.91
Rochdale, United Kingdom
AS13037Zen Internet Ltd
51.148.244.93
Rochdale, United Kingdom
AS13037Zen Internet Ltd
51.158.3.71
Paris, France
AS12876Scaleway SAS

Pingable IPs

1,659,789 IPs in this range replied to an ICMP ping during our most recent internet scan. Learn more.
51.68.200.17PingAS16276OVH SAS0.06ms from Erith,  GB
51.68.196.28PingAS16276OVH SAS0.12ms from Erith,  GB
51.68.209.109PingAS16276OVH SAS0.07ms from Erith,  GB
51.68.172.139PingAS16276OVH SAS0.13ms from Frankfurt am Main,  DE
51.68.33.139PingAS16276OVH SAS0.07ms from Gravelines,  FR
51.68.11.254PingAS16276OVH SAS0.09ms from Gravelines,  FR
51.68.54.164PingAS16276OVH SAS0.04ms from Gravelines,  FR
51.68.3.104PingAS16276OVH SAS0.08ms from Gravelines,  FR
51.68.253.58PingAS16276OVH SAS0.08ms from Roubaix,  FR
51.68.9.124PingAS16276OVH SAS0.11ms from Roubaix,  FR

Other Pingable IPs

Below is a random selection of 25 IPs that replied to an ICMP ping during our most recent internet scan.
156.196.145.152PingAS8452TE-AS4.28ms from Cairo,  EG
174.108.95.232PingAS11426Charter Communications Inc9.81ms from Charlotte,  US
69.49.73.168PingAS33734Muscatine Power and Water6.14ms from Chicago,  US
54.155.196.104PingAS16509Amazon.com, Inc.0.17ms from Dublin,  IE
111.43.35.40PingAS132525HeiLongJiang Mobile Communication Company Limited7.72ms from Harbin,  CN
113.0.49.72PingAS4837CHINA UNICOM China169 Backbone2.82ms from Harbin,  CN
210.184.93.232PingAS4058CITIC Telecom International CPC Limited1.88ms from Hong Kong,  HK
223.31.67.88PingAS9583Sify Limited0.93ms from Kolkata,  IN
101.186.193.104PingAS1221Telstra Limited2.22ms from Melbourne,  AU
79.19.10.216PingAS3269Telecom Italia S.p.A.4.33ms from Naples,  IT

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 -m9 51.3.2.78
traceroute to 51.3.2.78 (51.3.2.78): 9 hops max, 52 byte packets
4 [AS174] 154.54.72.126 1.285 ms
5 [AS174] 154.54.75.97 8.194 ms
6 [AS174] 154.54.63.141 13.162 ms
7 *
8 *
9 *
Measurement taken from  IPinfo ProbeNet in Frankfurt am Main, DE
OnÂ