IPinfo - Comprehensive IP address data, IP geolocation API and database
  1. All IP Ranges
  2. 5.0.0.0/8
  3. 5.81.0.0/16

5.81.0.0/16 IP Range

Summary

ASNs
1
Countries
1
BGP Prefixes1
Routers
0
Pingable IPs
54,832

Top Countries

Top BGP Prefixes

Top ASNs

  • AS2856 British Telecommunications PLC
    100%
5.81.0.0/24 United Kingdom 100%110
5.81.1.0/24 United Kingdom 100%110
5.81.2.0/24 United Kingdom 100%110
5.81.3.0/24 United Kingdom 100%110
5.81.4.0/24 United Kingdom 100%110
5.81.5.0/24 United Kingdom 100%110
5.81.6.0/24 United Kingdom 100%110
5.81.7.0/24 United Kingdom 100%110
5.81.8.0/24 United Kingdom 100%110
5.81.9.0/24 United Kingdom 100%110
5.81.10.0/24 United Kingdom 100%110
5.81.11.0/24 United Kingdom 100%110
5.81.12.0/24 United Kingdom 100%110
5.81.13.0/24 United Kingdom 100%110
5.81.14.0/24 United Kingdom 100%110
5.81.15.0/24 United Kingdom 100%110
5.81.16.0/24 United Kingdom 100%110
5.81.17.0/24 United Kingdom 100%110
5.81.18.0/24 United Kingdom 100%110
5.81.19.0/24 United Kingdom 100%110
5.81.20.0/24 United Kingdom 100%110
5.81.21.0/24 United Kingdom 100%110
5.81.22.0/24 United Kingdom 100%110
5.81.23.0/24 United Kingdom 100%110
5.81.24.0/24 United Kingdom 100%110
5.81.25.0/24 United Kingdom 100%110
5.81.26.0/24 United Kingdom 100%110
5.81.27.0/24 United Kingdom 100%110
5.81.28.0/24 United Kingdom 100%110
5.81.29.0/24 United Kingdom 100%110
5.81.30.0/24 United Kingdom 100%110
5.81.31.0/24 United Kingdom 100%110
5.81.32.0/24 United Kingdom 100%110
5.81.33.0/24 United Kingdom 100%110
5.81.34.0/24 United Kingdom 100%110
5.81.35.0/24 United Kingdom 100%110
5.81.36.0/24 United Kingdom 100%110
5.81.37.0/24 United Kingdom 100%110
5.81.38.0/24 United Kingdom 100%110
5.81.39.0/24 United Kingdom 100%110
5.81.40.0/24 United Kingdom 100%110
5.81.41.0/24 United Kingdom 100%110
5.81.42.0/24 United Kingdom 100%110
5.81.43.0/24 United Kingdom 100%110
5.81.44.0/24 United Kingdom 100%110
5.81.45.0/24 United Kingdom 100%110
5.81.46.0/24 United Kingdom 100%110
5.81.47.0/24 United Kingdom 100%110
5.81.48.0/24 United Kingdom 100%110
5.81.49.0/24 United Kingdom 100%110
5.81.50.0/24 United Kingdom 100%110
5.81.51.0/24 United Kingdom 100%110
5.81.52.0/24 United Kingdom 100%110
5.81.53.0/24 United Kingdom 100%110
5.81.54.0/24 United Kingdom 100%110
5.81.55.0/24 United Kingdom 100%110
5.81.56.0/24 United Kingdom 100%110
5.81.57.0/24 United Kingdom 100%110
5.81.58.0/24 United Kingdom 100%110
5.81.59.0/24 United Kingdom 100%110
5.81.60.0/24 United Kingdom 100%110
5.81.61.0/24 United Kingdom 100%110
5.81.62.0/24 United Kingdom 100%110
5.81.63.0/24 United Kingdom 100%110
5.81.64.0/24 United Kingdom 100%110
5.81.65.0/24 United Kingdom 100%110
5.81.66.0/24 United Kingdom 100%110
5.81.67.0/24 United Kingdom 100%110
5.81.68.0/24 United Kingdom 100%110
5.81.69.0/24 United Kingdom 100%110
5.81.70.0/24 United Kingdom 100%110
5.81.71.0/24 United Kingdom 100%110
5.81.72.0/24 United Kingdom 100%110
5.81.73.0/24 United Kingdom 100%110
5.81.74.0/24 United Kingdom 100%110
5.81.75.0/24 United Kingdom 100%110
5.81.76.0/24 United Kingdom 100%110
5.81.77.0/24 United Kingdom 100%110
5.81.78.0/24 United Kingdom 100%110
5.81.79.0/24 United Kingdom 100%110
5.81.80.0/24 United Kingdom 100%110
5.81.81.0/24 United Kingdom 100%110
5.81.82.0/24 United Kingdom 100%110
5.81.83.0/24 United Kingdom 100%110
5.81.84.0/24 United Kingdom 100%110
5.81.85.0/24 United Kingdom 100%110
5.81.86.0/24 United Kingdom 100%110
5.81.87.0/24 United Kingdom 100%110
5.81.88.0/24 United Kingdom 100%110
5.81.89.0/24 United Kingdom 100%110
5.81.90.0/24 United Kingdom 100%110
5.81.91.0/24 United Kingdom 100%110
5.81.92.0/24 United Kingdom 100%110
5.81.93.0/24 United Kingdom 100%110
5.81.94.0/24 United Kingdom 100%110
5.81.95.0/24 United Kingdom 100%110
5.81.96.0/24 United Kingdom 100%110
5.81.97.0/24 United Kingdom 100%110
5.81.98.0/24 United Kingdom 100%110
5.81.99.0/24 United Kingdom 100%110
5.81.100.0/24 United Kingdom 100%110
5.81.101.0/24 United Kingdom 100%110
5.81.102.0/24 United Kingdom 100%110
5.81.103.0/24 United Kingdom 100%110
5.81.104.0/24 United Kingdom 100%110
5.81.105.0/24 United Kingdom 100%110
5.81.106.0/24 United Kingdom 100%110
5.81.107.0/24 United Kingdom 100%110
5.81.108.0/24 United Kingdom 100%110
5.81.109.0/24 United Kingdom 100%110
5.81.110.0/24 United Kingdom 100%110
5.81.111.0/24 United Kingdom 100%110
5.81.112.0/24 United Kingdom 100%110
5.81.113.0/24 United Kingdom 100%110
5.81.114.0/24 United Kingdom 100%110
5.81.115.0/24 United Kingdom 100%110
5.81.116.0/24 United Kingdom 100%110
5.81.117.0/24 United Kingdom 100%110
5.81.118.0/24 United Kingdom 100%110
5.81.119.0/24 United Kingdom 100%110
5.81.120.0/24 United Kingdom 100%110
5.81.121.0/24 United Kingdom 100%110
5.81.122.0/24 United Kingdom 100%110
5.81.123.0/24 United Kingdom 100%110
5.81.124.0/24 United Kingdom 100%110
5.81.125.0/24 United Kingdom 100%110
5.81.126.0/24 United Kingdom 100%110
5.81.127.0/24 United Kingdom 100%110
5.81.128.0/24 United Kingdom 100%110
5.81.129.0/24 United Kingdom 100%110
5.81.130.0/24 United Kingdom 100%110
5.81.131.0/24 United Kingdom 100%110
5.81.132.0/24 United Kingdom 100%110
5.81.133.0/24 United Kingdom 100%110
5.81.134.0/24 United Kingdom 100%110
5.81.135.0/24 United Kingdom 100%110
5.81.136.0/24 United Kingdom 100%110
5.81.137.0/24 United Kingdom 100%110
5.81.138.0/24 United Kingdom 100%110
5.81.139.0/24 United Kingdom 100%110
5.81.140.0/24 United Kingdom 100%110
5.81.141.0/24 United Kingdom 100%110
5.81.142.0/24 United Kingdom 100%110
5.81.143.0/24 United Kingdom 100%110
5.81.144.0/24 United Kingdom 100%110
5.81.145.0/24 United Kingdom 100%110
5.81.146.0/24 United Kingdom 100%110
5.81.147.0/24 United Kingdom 100%110
5.81.148.0/24 United Kingdom 100%110
5.81.149.0/24 United Kingdom 100%110
5.81.150.0/24 United Kingdom 100%110
5.81.151.0/24 United Kingdom 100%110
5.81.152.0/24 United Kingdom 100%110
5.81.153.0/24 United Kingdom 100%110
5.81.154.0/24 United Kingdom 100%110
5.81.155.0/24 United Kingdom 100%110
5.81.156.0/24 United Kingdom 100%110
5.81.157.0/24 United Kingdom 100%110
5.81.158.0/24 United Kingdom 100%110
5.81.159.0/24 United Kingdom 100%110
5.81.160.0/24 United Kingdom 100%110
5.81.161.0/24 United Kingdom 100%110
5.81.162.0/24 United Kingdom 100%110
5.81.163.0/24 United Kingdom 100%110
5.81.164.0/24 United Kingdom 100%110
5.81.165.0/24 United Kingdom 100%110
5.81.166.0/24 United Kingdom 100%110
5.81.167.0/24 United Kingdom 100%110
5.81.168.0/24 United Kingdom 100%110
5.81.169.0/24 United Kingdom 100%110
5.81.170.0/24 United Kingdom 100%110
5.81.171.0/24 United Kingdom 100%110
5.81.172.0/24 United Kingdom 100%110
5.81.173.0/24 United Kingdom 100%110
5.81.174.0/24 United Kingdom 100%110
5.81.175.0/24 United Kingdom 100%110
5.81.176.0/24 United Kingdom 100%110
5.81.177.0/24 United Kingdom 100%110
5.81.178.0/24 United Kingdom 100%110
5.81.179.0/24 United Kingdom 100%110
5.81.180.0/24 United Kingdom 100%110
5.81.181.0/24 United Kingdom 100%110
5.81.182.0/24 United Kingdom 100%110
5.81.183.0/24 United Kingdom 100%110
5.81.184.0/24 United Kingdom 100%110
5.81.185.0/24 United Kingdom 100%110
5.81.186.0/24 United Kingdom 100%110
5.81.187.0/24 United Kingdom 100%110
5.81.188.0/24 United Kingdom 100%110
5.81.189.0/24 United Kingdom 100%110
5.81.190.0/24 United Kingdom 100%110
5.81.191.0/24 United Kingdom 100%110
5.81.192.0/24 United Kingdom 100%110
5.81.193.0/24 United Kingdom 100%110
5.81.194.0/24 United Kingdom 100%110
5.81.195.0/24 United Kingdom 100%110
5.81.196.0/24 United Kingdom 100%110
5.81.197.0/24 United Kingdom 100%110
5.81.198.0/24 United Kingdom 100%110
5.81.199.0/24 United Kingdom 100%110
5.81.200.0/24 United Kingdom 100%110
5.81.201.0/24 United Kingdom 100%110
5.81.202.0/24 United Kingdom 100%110
5.81.203.0/24 United Kingdom 100%110
5.81.204.0/24 United Kingdom 100%110
5.81.205.0/24 United Kingdom 100%110
5.81.206.0/24 United Kingdom 100%110
5.81.207.0/24 United Kingdom 100%110
5.81.208.0/24 United Kingdom 100%110
5.81.209.0/24 United Kingdom 100%110
5.81.210.0/24 United Kingdom 100%110
5.81.211.0/24 United Kingdom 100%110
5.81.212.0/24 United Kingdom 100%110
5.81.213.0/24 United Kingdom 100%110
5.81.214.0/24 United Kingdom 100%110
5.81.215.0/24 United Kingdom 100%110
5.81.216.0/24 United Kingdom 100%110
5.81.217.0/24 United Kingdom 100%110
5.81.218.0/24 United Kingdom 100%110
5.81.219.0/24 United Kingdom 100%110
5.81.220.0/24 United Kingdom 100%110
5.81.221.0/24 United Kingdom 100%110
5.81.222.0/24 United Kingdom 100%110
5.81.223.0/24 United Kingdom 100%110
5.81.224.0/24 United Kingdom 100%110
5.81.225.0/24 United Kingdom 100%110
5.81.226.0/24 United Kingdom 100%110
5.81.227.0/24 United Kingdom 100%110
5.81.228.0/24 United Kingdom 100%110
5.81.229.0/24 United Kingdom 100%110
5.81.230.0/24 United Kingdom 100%110
5.81.231.0/24 United Kingdom 100%110
5.81.232.0/24 United Kingdom 100%110
5.81.233.0/24 United Kingdom 100%110
5.81.234.0/24 United Kingdom 100%110
5.81.235.0/24 United Kingdom 100%110
5.81.236.0/24 United Kingdom 100%110
5.81.237.0/24 United Kingdom 100%110
5.81.238.0/24 United Kingdom 100%110
5.81.239.0/24 United Kingdom 100%110
5.81.240.0/24 United Kingdom 100%110
5.81.241.0/24 United Kingdom 100%110
5.81.242.0/24 United Kingdom 100%110
5.81.243.0/24 United Kingdom 100%110
5.81.244.0/24 United Kingdom 100%110
5.81.245.0/24 United Kingdom 100%110
5.81.246.0/24 United Kingdom 100%110
5.81.247.0/24 United Kingdom 100%110
5.81.248.0/24 United Kingdom 100%110
5.81.249.0/24 United Kingdom 100%110
5.81.250.0/24 United Kingdom 100%110
5.81.251.0/24 United Kingdom 100%110
5.81.252.0/24 United Kingdom 100%110
5.81.253.0/24 United Kingdom 100%110
5.81.254.0/24 United Kingdom 100%110
5.81.255.0/24 United Kingdom 100%110

Pingable IPs

54,832 IPs in this range replied to an ICMP ping during our most recent internet scan. Learn more.
5.81.193.134AS2856 British Telecommunications PLC10.32ms from Erith,  GB
5.81.186.190AS2856 British Telecommunications PLC7.54ms from Erith,  GB
5.81.235.82AS2856 British Telecommunications PLC4.34ms from London,  GB
5.81.179.244AS2856 British Telecommunications PLC6.06ms from London,  GB
5.81.231.0AS2856 British Telecommunications PLC3.41ms from London,  GB
5.81.210.101AS2856 British Telecommunications PLC3.93ms from London,  GB
5.81.205.3AS2856 British Telecommunications PLC8.66ms from London,  GB
5.81.203.17AS2856 British Telecommunications PLC4.11ms from London,  GB
5.81.217.51AS2856 British Telecommunications PLC8.35ms from London,  GB
5.81.188.201AS2856 British Telecommunications PLC6.57ms from London,  GB

Other Pingable IPs

Below is a random selection of 25 IPs that replied to an ICMP ping during our most recent internet scan.
86.84.73.224AS1136 KPN B.V.1.12ms from Amsterdam,  NL
92.69.72.224AS1136 KPN B.V.10.59ms from Amsterdam,  NL
180.248.244.240AS7713 PT Telekomunikasi Indonesia9.08ms from Batam,  ID
56.137.164.0AS8987 Amazon Data Services Ireland Ltd0.28ms from Boardman,  US
64.179.124.0AS7029 Windstream Communications LLC8.37ms from Chicago,  US
70.74.155.48AS6327 Shaw Communications6.72ms from Edmonton,  CA
98.67.220.112AS8075 Microsoft Corporation0.41ms from Frankfurt am Main,  DE
4.158.3.192AS8075 Microsoft Corporation0.20ms from London,  GB
185.155.5.192AS206451 GPON Linea S.L.8.96ms from Madrid,  ES
37.116.20.224AS30722 Fastweb SpA3.71ms from Milan,  IT

Traceroute

Below is a recent traceroute taken from the IPinfo ProbeNet to an IP in this range. Learn more.
$
traceroute -a -n -q1 -f5 5.81.49.220
traceroute to 5.81.49.220 (5.81.49.220): 64 hops max, 52 byte packets
5 [AS2856] 213.121.193.54 1.944 ms
6 *
7 *
8 [AS2856] 5.81.49.220 16.109 ms
Measurement taken from  IPinfo ProbeNet in London, GB
On