IPinfo - Comprehensive IP address data, IP geolocation API and database
  1. All IP Ranges
  2. 81.0.0.0/8
  3. 81.131.0.0/16

81.131.0.0/16 IP Range

Summary

ASNs
1
Countries
1
BGP Prefixes1
Routers
54
Pingable IPs
35,611

Top Countries

Top BGP Prefixes

Top ASNs

  • AS2856 British Telecommunications PLC
    100%
81.131.0.0/24 United Kingdom 100%110
81.131.1.0/24 United Kingdom 100%111
81.131.2.0/24 United Kingdom 100%111
81.131.3.0/24 United Kingdom 100%110
81.131.4.0/24 United Kingdom 100%111
81.131.5.0/24 United Kingdom 100%112
81.131.6.0/24 United Kingdom 100%111
81.131.7.0/24 United Kingdom 100%111
81.131.8.0/24 United Kingdom 100%110
81.131.9.0/24 United Kingdom 100%111
81.131.10.0/24 United Kingdom 100%111
81.131.11.0/24 United Kingdom 100%110
81.131.12.0/24 United Kingdom 100%110
81.131.13.0/24 United Kingdom 100%111
81.131.14.0/24 United Kingdom 100%110
81.131.15.0/24 United Kingdom 100%111
81.131.16.0/24 United Kingdom 100%110
81.131.17.0/24 United Kingdom 100%110
81.131.18.0/24 United Kingdom 100%111
81.131.19.0/24 United Kingdom 100%110
81.131.20.0/24 United Kingdom 100%111
81.131.21.0/24 United Kingdom 100%112
81.131.22.0/24 United Kingdom 100%113
81.131.23.0/24 United Kingdom 100%110
81.131.24.0/24 United Kingdom 100%111
81.131.25.0/24 United Kingdom 100%110
81.131.26.0/24 United Kingdom 100%111
81.131.27.0/24 United Kingdom 100%111
81.131.28.0/24 United Kingdom 100%111
81.131.29.0/24 United Kingdom 100%110
81.131.30.0/24 United Kingdom 100%111
81.131.31.0/24 United Kingdom 100%110
81.131.32.0/24 United Kingdom 100%111
81.131.33.0/24 United Kingdom 100%110
81.131.34.0/24 United Kingdom 100%110
81.131.35.0/24 United Kingdom 100%110
81.131.36.0/24 United Kingdom 100%110
81.131.37.0/24 United Kingdom 100%110
81.131.38.0/24 United Kingdom 100%110
81.131.39.0/24 United Kingdom 100%114
81.131.40.0/24 United Kingdom 100%111
81.131.41.0/24 United Kingdom 100%110
81.131.42.0/24 United Kingdom 100%110
81.131.43.0/24 United Kingdom 100%110
81.131.44.0/24 United Kingdom 100%112
81.131.45.0/24 United Kingdom 100%110
81.131.46.0/24 United Kingdom 100%111
81.131.47.0/24 United Kingdom 100%112
81.131.48.0/24 United Kingdom 100%110
81.131.49.0/24 United Kingdom 100%110
81.131.50.0/24 United Kingdom 100%110
81.131.51.0/24 United Kingdom 100%111
81.131.52.0/24 United Kingdom 100%110
81.131.53.0/24 United Kingdom 100%112
81.131.54.0/24 United Kingdom 100%111
81.131.55.0/24 United Kingdom 100%112
81.131.56.0/24 United Kingdom 100%110
81.131.57.0/24 United Kingdom 100%111
81.131.58.0/24 United Kingdom 100%110
81.131.59.0/24 United Kingdom 100%111
81.131.60.0/24 United Kingdom 100%112
81.131.61.0/24 United Kingdom 100%113
81.131.62.0/24 United Kingdom 100%112
81.131.63.0/24 United Kingdom 100%112
81.131.64.0/24 United Kingdom 100%110
81.131.65.0/24 United Kingdom 100%110
81.131.66.0/24 United Kingdom 100%110
81.131.67.0/24 United Kingdom 100%110
81.131.68.0/24 United Kingdom 100%110
81.131.69.0/24 United Kingdom 100%110
81.131.70.0/24 United Kingdom 100%111
81.131.71.0/24 United Kingdom 100%110
81.131.72.0/24 United Kingdom 100%110
81.131.73.0/24 United Kingdom 100%110
81.131.74.0/24 United Kingdom 100%110
81.131.75.0/24 United Kingdom 100%110
81.131.76.0/24 United Kingdom 100%110
81.131.77.0/24 United Kingdom 100%110
81.131.78.0/24 United Kingdom 100%110
81.131.79.0/24 United Kingdom 100%110
81.131.80.0/24 United Kingdom 100%110
81.131.81.0/24 United Kingdom 100%110
81.131.82.0/24 United Kingdom 100%110
81.131.83.0/24 United Kingdom 100%110
81.131.84.0/24 United Kingdom 100%110
81.131.85.0/24 United Kingdom 100%110
81.131.86.0/24 United Kingdom 100%110
81.131.87.0/24 United Kingdom 100%110
81.131.88.0/24 United Kingdom 100%110
81.131.89.0/24 United Kingdom 100%110
81.131.90.0/24 United Kingdom 100%110
81.131.91.0/24 United Kingdom 100%110
81.131.92.0/24 United Kingdom 100%110
81.131.93.0/24 United Kingdom 100%110
81.131.94.0/24 United Kingdom 100%110
81.131.95.0/24 United Kingdom 100%110
81.131.96.0/24 United Kingdom 100%110
81.131.97.0/24 United Kingdom 100%110
81.131.98.0/24 United Kingdom 100%110
81.131.99.0/24 United Kingdom 100%110
81.131.100.0/24 United Kingdom 100%110
81.131.101.0/24 United Kingdom 100%110
81.131.102.0/24 United Kingdom 100%110
81.131.103.0/24 United Kingdom 100%110
81.131.104.0/24 United Kingdom 100%110
81.131.105.0/24 United Kingdom 100%110
81.131.106.0/24 United Kingdom 100%110
81.131.107.0/24 United Kingdom 100%110
81.131.108.0/24 United Kingdom 100%110
81.131.109.0/24 United Kingdom 100%110
81.131.110.0/24 United Kingdom 100%110
81.131.111.0/24 United Kingdom 100%110
81.131.112.0/24 United Kingdom 100%110
81.131.113.0/24 United Kingdom 100%110
81.131.114.0/24 United Kingdom 100%110
81.131.115.0/24 United Kingdom 100%110
81.131.116.0/24 United Kingdom 100%110
81.131.117.0/24 United Kingdom 100%110
81.131.118.0/24 United Kingdom 100%110
81.131.119.0/24 United Kingdom 100%110
81.131.120.0/24 United Kingdom 100%110
81.131.121.0/24 United Kingdom 100%110
81.131.122.0/24 United Kingdom 100%110
81.131.123.0/24 United Kingdom 100%110
81.131.124.0/24 United Kingdom 100%110
81.131.125.0/24 United Kingdom 100%110
81.131.126.0/24 United Kingdom 100%110
81.131.127.0/24 United Kingdom 100%110
81.131.128.0/24 United Kingdom 100%110
81.131.129.0/24 United Kingdom 100%110
81.131.130.0/24 United Kingdom 100%110
81.131.131.0/24 United Kingdom 100%110
81.131.132.0/24 United Kingdom 100%110
81.131.133.0/24 United Kingdom 100%110
81.131.134.0/24 United Kingdom 100%110
81.131.135.0/24 United Kingdom 100%110
81.131.136.0/24 United Kingdom 100%110
81.131.137.0/24 United Kingdom 100%111
81.131.138.0/24 United Kingdom 100%110
81.131.139.0/24 United Kingdom 100%110
81.131.140.0/24 United Kingdom 100%110
81.131.141.0/24 United Kingdom 100%110
81.131.142.0/24 United Kingdom 100%110
81.131.143.0/24 United Kingdom 100%110
81.131.144.0/24 United Kingdom 100%110
81.131.145.0/24 United Kingdom 100%110
81.131.146.0/24 United Kingdom 100%110
81.131.147.0/24 United Kingdom 100%110
81.131.148.0/24 United Kingdom 100%110
81.131.149.0/24 United Kingdom 100%110
81.131.150.0/24 United Kingdom 100%110
81.131.151.0/24 United Kingdom 100%110
81.131.152.0/24 United Kingdom 100%110
81.131.153.0/24 United Kingdom 100%110
81.131.154.0/24 United Kingdom 100%110
81.131.155.0/24 United Kingdom 100%110
81.131.156.0/24 United Kingdom 100%110
81.131.157.0/24 United Kingdom 100%110
81.131.158.0/24 United Kingdom 100%110
81.131.159.0/24 United Kingdom 100%110
81.131.160.0/24 United Kingdom 100%110
81.131.161.0/24 United Kingdom 100%110
81.131.162.0/24 United Kingdom 100%110
81.131.163.0/24 United Kingdom 100%110
81.131.164.0/24 United Kingdom 100%110
81.131.165.0/24 United Kingdom 100%110
81.131.166.0/24 United Kingdom 100%110
81.131.167.0/24 United Kingdom 100%110
81.131.168.0/24 United Kingdom 100%110
81.131.169.0/24 United Kingdom 100%110
81.131.170.0/24 United Kingdom 100%110
81.131.171.0/24 United Kingdom 100%110
81.131.172.0/24 United Kingdom 100%110
81.131.173.0/24 United Kingdom 100%110
81.131.174.0/24 United Kingdom 100%110
81.131.175.0/24 United Kingdom 100%110
81.131.176.0/24 United Kingdom 100%110
81.131.177.0/24 United Kingdom 100%110
81.131.178.0/24 United Kingdom 100%110
81.131.179.0/24 United Kingdom 100%110
81.131.180.0/24 United Kingdom 100%110
81.131.181.0/24 United Kingdom 100%110
81.131.182.0/24 United Kingdom 100%110
81.131.183.0/24 United Kingdom 100%110
81.131.184.0/24 United Kingdom 100%110
81.131.185.0/24 United Kingdom 100%110
81.131.186.0/24 United Kingdom 100%110
81.131.187.0/24 United Kingdom 100%110
81.131.188.0/24 United Kingdom 100%110
81.131.189.0/24 United Kingdom 100%110
81.131.190.0/24 United Kingdom 100%110
81.131.191.0/24 United Kingdom 100%110
81.131.192.0/24 United Kingdom 100%110
81.131.193.0/24 United Kingdom 100%110
81.131.194.0/24 United Kingdom 100%110
81.131.195.0/24 United Kingdom 100%110
81.131.196.0/24 United Kingdom 100%110
81.131.197.0/24 United Kingdom 100%110
81.131.198.0/24 United Kingdom 100%110
81.131.199.0/24 United Kingdom 100%110
81.131.200.0/24 United Kingdom 100%110
81.131.201.0/24 United Kingdom 100%110
81.131.202.0/24 United Kingdom 100%110
81.131.203.0/24 United Kingdom 100%110
81.131.204.0/24 United Kingdom 100%110
81.131.205.0/24 United Kingdom 100%110
81.131.206.0/24 United Kingdom 100%110
81.131.207.0/24 United Kingdom 100%110
81.131.208.0/24 United Kingdom 100%110
81.131.209.0/24 United Kingdom 100%110
81.131.210.0/24 United Kingdom 100%110
81.131.211.0/24 United Kingdom 100%110
81.131.212.0/24 United Kingdom 100%110
81.131.213.0/24 United Kingdom 100%110
81.131.214.0/24 United Kingdom 100%110
81.131.215.0/24 United Kingdom 100%110
81.131.216.0/24 United Kingdom 100%110
81.131.217.0/24 United Kingdom 100%110
81.131.218.0/24 United Kingdom 100%110
81.131.219.0/24 United Kingdom 100%110
81.131.220.0/24 United Kingdom 100%110
81.131.221.0/24 United Kingdom 100%110
81.131.222.0/24 United Kingdom 100%110
81.131.223.0/24 United Kingdom 100%110
81.131.224.0/24 United Kingdom 100%110
81.131.225.0/24 United Kingdom 100%110
81.131.226.0/24 United Kingdom 100%110
81.131.227.0/24 United Kingdom 100%110
81.131.228.0/24 United Kingdom 100%110
81.131.229.0/24 United Kingdom 100%110
81.131.230.0/24 United Kingdom 100%110
81.131.231.0/24 United Kingdom 100%110
81.131.232.0/24 United Kingdom 100%110
81.131.233.0/24 United Kingdom 100%110
81.131.234.0/24 United Kingdom 100%110
81.131.235.0/24 United Kingdom 100%110
81.131.236.0/24 United Kingdom 100%110
81.131.237.0/24 United Kingdom 100%110
81.131.238.0/24 United Kingdom 100%110
81.131.239.0/24 United Kingdom 100%110
81.131.240.0/24 United Kingdom 100%110
81.131.241.0/24 United Kingdom 100%110
81.131.242.0/24 United Kingdom 100%110
81.131.243.0/24 United Kingdom 100%110
81.131.244.0/24 United Kingdom 100%110
81.131.245.0/24 United Kingdom 100%110
81.131.246.0/24 United Kingdom 100%110
81.131.247.0/24 United Kingdom 100%110
81.131.248.0/24 United Kingdom 100%111
81.131.249.0/24 United Kingdom 100%110
81.131.250.0/24 United Kingdom 100%110
81.131.251.0/24 United Kingdom 100%110
81.131.252.0/24 United Kingdom 100%110
81.131.253.0/24 United Kingdom 100%110
81.131.254.0/24 United Kingdom 100%110
81.131.255.0/24 United Kingdom 100%110

Pingable IPs

35,611 IPs in this range replied to an ICMP ping during our most recent internet scan. Learn more.
81.131.202.108AS2856 British Telecommunications PLC3.72ms from Erith,  GB
81.131.177.55AS2856 British Telecommunications PLC5.32ms from London,  GB
81.131.245.23AS2856 British Telecommunications PLC7.75ms from London,  GB
81.131.241.7AS2856 British Telecommunications PLC3.12ms from London,  GB
81.131.236.120AS2856 British Telecommunications PLC4.88ms from London,  GB
81.131.229.174AS2856 British Telecommunications PLC4.44ms from London,  GB
81.131.235.7AS2856 British Telecommunications PLC3.44ms from London,  GB
81.131.209.169AS2856 British Telecommunications PLC3.56ms from Erith,  GB
81.131.153.238AS2856 British Telecommunications PLC6.69ms from London,  GB
81.131.250.222AS2856 British Telecommunications PLC3.13ms 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.
170.223.189.96AS40831 Mass General Brigham Incorporated11.16ms from Ashburn,  US
109.242.208.224AS25472 Nova Telecommunications & Media Single Member S.A7.76ms from Athens,  GR
155.186.162.80AS20115 Charter Communications LLC9.08ms from Atlanta,  US
88.72.219.64AS3209 Vodafone GmbH5.53ms from Duesseldorf,  DE
87.78.234.224AS8422 NetCologne Gesellschaft fur Telekommunikation mbH4.02ms from Duesseldorf,  DE
83.56.81.48AS3352 TELEFONICA DE ESPANA S.A.U.1.09ms from Madrid,  ES
187.208.73.160AS8151 UNINET1.84ms from Mexico City,  MX
131.202.219.96AS611 NB-PEI Educational Computer Network15.49ms from Montreal,  CA
91.172.159.176AS12322 Free SAS3.41ms from Paris,  FR
118.39.204.112AS4766 Korea Telecom8.22ms from Seoul,  KR

Traceroute

Below is a recent traceroute taken from the IPinfo ProbeNet to an IP in this range. Learn more.
$
traceroute -a -n -q1 81.131.0.138
traceroute to 81.131.0.138 (81.131.0.138): 64 hops max, 52 byte packets
1 [AS15169] 72.14.235.239 85.046 ms
2 [AS2856] 109.159.253.4 81.327 ms
3 [AS2856] 194.72.16.87 81.672 ms
4 *
5 [AS2856] 86.189.33.13 93.705 ms
6 [AS2856] 81.131.0.138 93.579 ms
Measurement taken from  IPinfo ProbeNet in Toronto, CA
OnÂ