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IPinfo - Comprehensive IP address data, IP geolocation API and database

Summary

ASNAS2856 British Telecommunications PLC
BGP81.128.0.0/12
IPs with RDNS256
Hosted Domains0
Pingable IPs67
Router IPs0
81.133.30.0host81-133-30-0.in-addr.btopenworld.com0
81.133.30.1host81-133-30-1.in-addr.btopenworld.com0Ping
81.133.30.2host81-133-30-2.in-addr.btopenworld.com0
81.133.30.3host81-133-30-3.in-addr.btopenworld.com0
81.133.30.4host81-133-30-4.in-addr.btopenworld.com0
81.133.30.5host81-133-30-5.in-addr.btopenworld.com0
81.133.30.6host81-133-30-6.in-addr.btopenworld.com0Ping
81.133.30.7host81-133-30-7.in-addr.btopenworld.com0
81.133.30.8host81-133-30-8.in-addr.btopenworld.com0
81.133.30.9host81-133-30-9.in-addr.btopenworld.com0
81.133.30.10mail.gordonfrankstraining.co.uk0
81.133.30.11host81-133-30-11.in-addr.btopenworld.com0
81.133.30.12host81-133-30-12.in-addr.btopenworld.com0
81.133.30.13host81-133-30-13.in-addr.btopenworld.com0
81.133.30.14host81-133-30-14.in-addr.btopenworld.com0
81.133.30.15host81-133-30-15.in-addr.btopenworld.com0
81.133.30.16mail.lyoncole.com0
81.133.30.17host81-133-30-17.in-addr.btopenworld.com0Ping
81.133.30.18host81-133-30-18.in-addr.btopenworld.com0
81.133.30.19host81-133-30-19.in-addr.btopenworld.com0
81.133.30.20host81-133-30-20.in-addr.btopenworld.com0
81.133.30.21host81-133-30-21.in-addr.btopenworld.com0
81.133.30.22host81-133-30-22.in-addr.btopenworld.com0
81.133.30.23host81-133-30-23.in-addr.btopenworld.com0
81.133.30.24host81-133-30-24.in-addr.btopenworld.com0
81.133.30.25host81-133-30-25.in-addr.btopenworld.com0
81.133.30.26host81-133-30-26.in-addr.btopenworld.com0
81.133.30.27host81-133-30-27.in-addr.btopenworld.com0Ping
81.133.30.28host81-133-30-28.in-addr.btopenworld.com0
81.133.30.29host81-133-30-29.in-addr.btopenworld.com0
81.133.30.30host81-133-30-30.in-addr.btopenworld.com0
81.133.30.31host81-133-30-31.in-addr.btopenworld.com0
81.133.30.32host81-133-30-32.in-addr.btopenworld.com0
81.133.30.33host81-133-30-33.in-addr.btopenworld.com0
81.133.30.34host81-133-30-34.in-addr.btopenworld.com0
81.133.30.35host81-133-30-35.in-addr.btopenworld.com0
81.133.30.36host81-133-30-36.in-addr.btopenworld.com0
81.133.30.37host81-133-30-37.in-addr.btopenworld.com0
81.133.30.38host81-133-30-38.in-addr.btopenworld.com0
81.133.30.39host81-133-30-39.in-addr.btopenworld.com0
81.133.30.40host81-133-30-40.in-addr.btopenworld.com0
81.133.30.41mail.rpa.uk.com0
81.133.30.42host81-133-30-42.in-addr.btopenworld.com0
81.133.30.43host81-133-30-43.in-addr.btopenworld.com0
81.133.30.44host81-133-30-44.in-addr.btopenworld.com0
81.133.30.45host81-133-30-45.in-addr.btopenworld.com0Ping
81.133.30.46host81-133-30-46.in-addr.btopenworld.com0
81.133.30.47host81-133-30-47.in-addr.btopenworld.com0
81.133.30.48host81-133-30-48.in-addr.btopenworld.com0
81.133.30.49host81-133-30-49.in-addr.btopenworld.com0
81.133.30.50host81-133-30-50.in-addr.btopenworld.com0Ping
81.133.30.51host81-133-30-51.in-addr.btopenworld.com0
81.133.30.52host81-133-30-52.in-addr.btopenworld.com0
81.133.30.53host81-133-30-53.in-addr.btopenworld.com0
81.133.30.54host81-133-30-54.in-addr.btopenworld.com0
81.133.30.55host81-133-30-55.in-addr.btopenworld.com0
81.133.30.56host81-133-30-56.in-addr.btopenworld.com0
81.133.30.57host81-133-30-57.in-addr.btopenworld.com0
81.133.30.58remote.mass-spec.com0
81.133.30.59host81-133-30-59.in-addr.btopenworld.com0
81.133.30.60host81-133-30-60.in-addr.btopenworld.com0
81.133.30.61host81-133-30-61.in-addr.btopenworld.com0
81.133.30.62host81-133-30-62.in-addr.btopenworld.com0
81.133.30.63host81-133-30-63.in-addr.btopenworld.com0
81.133.30.64host81-133-30-64.in-addr.btopenworld.com0
81.133.30.65host81-133-30-65.in-addr.btopenworld.com0
81.133.30.66host81-133-30-66.in-addr.btopenworld.com0Ping
81.133.30.67host81-133-30-67.in-addr.btopenworld.com0
81.133.30.68host81-133-30-68.in-addr.btopenworld.com0
81.133.30.69host81-133-30-69.in-addr.btopenworld.com0
81.133.30.70host81-133-30-70.in-addr.btopenworld.com0
81.133.30.71host81-133-30-71.in-addr.btopenworld.com0
81.133.30.72host81-133-30-72.in-addr.btopenworld.com0
81.133.30.73host81-133-30-73.in-addr.btopenworld.com0
81.133.30.74host81-133-30-74.in-addr.btopenworld.com0
81.133.30.75host81-133-30-75.in-addr.btopenworld.com0Ping
81.133.30.76remote.zoomuk.co.uk0
81.133.30.77host81-133-30-77.in-addr.btopenworld.com0
81.133.30.78host81-133-30-78.in-addr.btopenworld.com0
81.133.30.79host81-133-30-79.in-addr.btopenworld.com0
81.133.30.80host81-133-30-80.in-addr.btopenworld.com0
81.133.30.81remote.mcevoyandrowley.co.uk0
81.133.30.82host81-133-30-82.in-addr.btopenworld.com0
81.133.30.83host81-133-30-83.in-addr.btopenworld.com0
81.133.30.84host81-133-30-84.in-addr.btopenworld.com0
81.133.30.85host81-133-30-85.in-addr.btopenworld.com0
81.133.30.86host81-133-30-86.in-addr.btopenworld.com0
81.133.30.87host81-133-30-87.in-addr.btopenworld.com0
81.133.30.88mail.oricalcum.co.uk0
81.133.30.89host81-133-30-89.in-addr.btopenworld.com0
81.133.30.90mail.fisherslaw.co.uk0
81.133.30.91host81-133-30-91.in-addr.btopenworld.com0
81.133.30.92host81-133-30-92.in-addr.btopenworld.com0
81.133.30.93host81-133-30-93.in-addr.btopenworld.com0
81.133.30.94host81-133-30-94.in-addr.btopenworld.com0
81.133.30.95host81-133-30-95.in-addr.btopenworld.com0
81.133.30.96mailserver.systemq.com0
81.133.30.97host81-133-30-97.in-addr.btopenworld.com0
81.133.30.98host81-133-30-98.in-addr.btopenworld.com0
81.133.30.99host81-133-30-99.in-addr.btopenworld.com0
81.133.30.100host81-133-30-100.in-addr.btopenworld.com0
81.133.30.101host81-133-30-101.in-addr.btopenworld.com0
81.133.30.102host81-133-30-102.in-addr.btopenworld.com0
81.133.30.103host81-133-30-103.in-addr.btopenworld.com0
81.133.30.104remote.wimpy.uk.com0
81.133.30.105host81-133-30-105.in-addr.btopenworld.com0
81.133.30.106host81-133-30-106.in-addr.btopenworld.com0
81.133.30.107host81-133-30-107.in-addr.btopenworld.com0
81.133.30.108host81-133-30-108.in-addr.btopenworld.com0
81.133.30.109host81-133-30-109.in-addr.btopenworld.com0
81.133.30.110host81-133-30-110.in-addr.btopenworld.com0
81.133.30.111host81-133-30-111.in-addr.btopenworld.com0
81.133.30.112host81-133-30-112.in-addr.btopenworld.com0
81.133.30.113host81-133-30-113.in-addr.btopenworld.com0
81.133.30.114host81-133-30-114.in-addr.btopenworld.com0Ping
81.133.30.115host81-133-30-115.in-addr.btopenworld.com0Ping
81.133.30.116host81-133-30-116.in-addr.btopenworld.com0
81.133.30.117host81-133-30-117.in-addr.btopenworld.com0
81.133.30.118host81-133-30-118.in-addr.btopenworld.com0
81.133.30.119host81-133-30-119.in-addr.btopenworld.com0
81.133.30.120host81-133-30-120.in-addr.btopenworld.com0
81.133.30.121host81-133-30-121.in-addr.btopenworld.com0Ping
81.133.30.122host81-133-30-122.in-addr.btopenworld.com0
81.133.30.123host81-133-30-123.in-addr.btopenworld.com0Ping
81.133.30.124host81-133-30-124.in-addr.btopenworld.com0
81.133.30.125host81-133-30-125.in-addr.btopenworld.com0
81.133.30.126host81-133-30-126.in-addr.btopenworld.com0
81.133.30.127mx.alphabyte-it.co.uk0
81.133.30.128host81-133-30-128.in-addr.btopenworld.com0
81.133.30.129host81-133-30-129.in-addr.btopenworld.com0
81.133.30.130host81-133-30-130.in-addr.btopenworld.com0
81.133.30.131host81-133-30-131.in-addr.btopenworld.com0
81.133.30.132host81-133-30-132.in-addr.btopenworld.com0
81.133.30.133host81-133-30-133.in-addr.btopenworld.com0
81.133.30.134host81-133-30-134.in-addr.btopenworld.com0
81.133.30.135host81-133-30-135.in-addr.btopenworld.com0
81.133.30.136host81-133-30-136.in-addr.btopenworld.com0Ping
81.133.30.137host81-133-30-137.in-addr.btopenworld.com0
81.133.30.138host81-133-30-138.in-addr.btopenworld.com0Ping
81.133.30.139host81-133-30-139.in-addr.btopenworld.com0
81.133.30.140host81-133-30-140.in-addr.btopenworld.com0
81.133.30.141host81-133-30-141.in-addr.btopenworld.com0
81.133.30.142host81-133-30-142.in-addr.btopenworld.com0
81.133.30.143host81-133-30-143.in-addr.btopenworld.com0
81.133.30.144host81-133-30-144.in-addr.btopenworld.com0
81.133.30.145host81-133-30-145.in-addr.btopenworld.com0
81.133.30.146host81-133-30-146.in-addr.btopenworld.com0Ping
81.133.30.147host81-133-30-147.in-addr.btopenworld.com0
81.133.30.148host81-133-30-148.in-addr.btopenworld.com0Ping
81.133.30.149host81-133-30-149.in-addr.btopenworld.com0
81.133.30.150host81-133-30-150.in-addr.btopenworld.com0
81.133.30.151host81-133-30-151.in-addr.btopenworld.com0
81.133.30.152host81-133-30-152.in-addr.btopenworld.com0
81.133.30.153host81-133-30-153.in-addr.btopenworld.com0
81.133.30.154host81-133-30-154.in-addr.btopenworld.com0Ping
81.133.30.155host81-133-30-155.in-addr.btopenworld.com0Ping
81.133.30.156host81-133-30-156.in-addr.btopenworld.com0
81.133.30.157host81-133-30-157.in-addr.btopenworld.com0
81.133.30.158host81-133-30-158.in-addr.btopenworld.com0
81.133.30.159host81-133-30-159.in-addr.btopenworld.com0
81.133.30.160host81-133-30-160.in-addr.btopenworld.com0
81.133.30.161host81-133-30-161.in-addr.btopenworld.com0
81.133.30.162host81-133-30-162.in-addr.btopenworld.com0
81.133.30.163host81-133-30-163.in-addr.btopenworld.com0
81.133.30.164host81-133-30-164.in-addr.btopenworld.com0
81.133.30.165host81-133-30-165.in-addr.btopenworld.com0
81.133.30.166host81-133-30-166.in-addr.btopenworld.com0
81.133.30.167host81-133-30-167.in-addr.btopenworld.com0Ping
81.133.30.168host81-133-30-168.in-addr.btopenworld.com0
81.133.30.169host81-133-30-169.in-addr.btopenworld.com0
81.133.30.170host81-133-30-170.in-addr.btopenworld.com0
81.133.30.171host81-133-30-171.in-addr.btopenworld.com0
81.133.30.172mail.scld.co.uk0
81.133.30.173host81-133-30-173.in-addr.btopenworld.com0
81.133.30.174host81-133-30-174.in-addr.btopenworld.com0
81.133.30.175host81-133-30-175.in-addr.btopenworld.com0
81.133.30.176host81-133-30-176.in-addr.btopenworld.com0
81.133.30.177mail.cyril-jones.co.uk0Ping
81.133.30.178host81-133-30-178.in-addr.btopenworld.com0
81.133.30.179host81-133-30-179.in-addr.btopenworld.com0
81.133.30.180host81-133-30-180.in-addr.btopenworld.com0
81.133.30.181host81-133-30-181.in-addr.btopenworld.com0
81.133.30.182host81-133-30-182.in-addr.btopenworld.com0
81.133.30.183host81-133-30-183.in-addr.btopenworld.com0
81.133.30.184host81-133-30-184.in-addr.btopenworld.com0
81.133.30.185host81-133-30-185.in-addr.btopenworld.com0
81.133.30.186host81-133-30-186.in-addr.btopenworld.com0
81.133.30.187host81-133-30-187.in-addr.btopenworld.com0
81.133.30.188host81-133-30-188.in-addr.btopenworld.com0
81.133.30.189host81-133-30-189.in-addr.btopenworld.com0
81.133.30.190host81-133-30-190.in-addr.btopenworld.com0Ping
81.133.30.191host81-133-30-191.in-addr.btopenworld.com0
81.133.30.192host81-133-30-192.in-addr.btopenworld.com0
81.133.30.193host81-133-30-193.in-addr.btopenworld.com0
81.133.30.194host81-133-30-194.in-addr.btopenworld.com0
81.133.30.195host81-133-30-195.in-addr.btopenworld.com0
81.133.30.196host81-133-30-196.in-addr.btopenworld.com0
81.133.30.197host81-133-30-197.in-addr.btopenworld.com0
81.133.30.198host81-133-30-198.in-addr.btopenworld.com0
81.133.30.199host81-133-30-199.in-addr.btopenworld.com0Ping
81.133.30.200host81-133-30-200.in-addr.btopenworld.com0
81.133.30.201host81-133-30-201.in-addr.btopenworld.com0
81.133.30.202host81-133-30-202.in-addr.btopenworld.com0Ping
81.133.30.203host81-133-30-203.in-addr.btopenworld.com0
81.133.30.204host81-133-30-204.in-addr.btopenworld.com0
81.133.30.205host81-133-30-205.in-addr.btopenworld.com0
81.133.30.206mail.total-e-solutions.co.uk0Ping
81.133.30.207host81-133-30-207.in-addr.btopenworld.com0
81.133.30.208host81-133-30-208.in-addr.btopenworld.com0
81.133.30.209host81-133-30-209.in-addr.btopenworld.com0
81.133.30.210host81-133-30-210.in-addr.btopenworld.com0
81.133.30.211host81-133-30-211.in-addr.btopenworld.com0
81.133.30.212host81-133-30-212.in-addr.btopenworld.com0Ping
81.133.30.213host81-133-30-213.in-addr.btopenworld.com0
81.133.30.214host81-133-30-214.in-addr.btopenworld.com0
81.133.30.215host81-133-30-215.in-addr.btopenworld.com0
81.133.30.216host81-133-30-216.in-addr.btopenworld.com0
81.133.30.217host81-133-30-217.in-addr.btopenworld.com0Ping
81.133.30.218host81-133-30-218.in-addr.btopenworld.com0Ping
81.133.30.219host81-133-30-219.in-addr.btopenworld.com0Ping
81.133.30.220host81-133-30-220.in-addr.btopenworld.com0
81.133.30.221host81-133-30-221.in-addr.btopenworld.com0
81.133.30.222host81-133-30-222.in-addr.btopenworld.com0
81.133.30.223host81-133-30-223.in-addr.btopenworld.com0
81.133.30.224host81-133-30-224.in-addr.btopenworld.com0
81.133.30.225host81-133-30-225.in-addr.btopenworld.com0
81.133.30.226host81-133-30-226.in-addr.btopenworld.com0
81.133.30.227host81-133-30-227.in-addr.btopenworld.com0Ping
81.133.30.228host81-133-30-228.in-addr.btopenworld.com0
81.133.30.229host81-133-30-229.in-addr.btopenworld.com0
81.133.30.230host81-133-30-230.in-addr.btopenworld.com0
81.133.30.231host81-133-30-231.in-addr.btopenworld.com0
81.133.30.232host81-133-30-232.in-addr.btopenworld.com0
81.133.30.233host81-133-30-233.in-addr.btopenworld.com0
81.133.30.234host81-133-30-234.in-addr.btopenworld.com0
81.133.30.235host81-133-30-235.in-addr.btopenworld.com0
81.133.30.236host81-133-30-236.in-addr.btopenworld.com0
81.133.30.237host81-133-30-237.in-addr.btopenworld.com0
81.133.30.238host81-133-30-238.in-addr.btopenworld.com0
81.133.30.239host81-133-30-239.in-addr.btopenworld.com0
81.133.30.240host81-133-30-240.in-addr.btopenworld.com0
81.133.30.241host81-133-30-241.in-addr.btopenworld.com0
81.133.30.242host81-133-30-242.in-addr.btopenworld.com0
81.133.30.243host81-133-30-243.in-addr.btopenworld.com0
81.133.30.244host81-133-30-244.in-addr.btopenworld.com0
81.133.30.245host81-133-30-245.in-addr.btopenworld.com0
81.133.30.246host81-133-30-246.in-addr.btopenworld.com0Ping
81.133.30.247host81-133-30-247.in-addr.btopenworld.com0
81.133.30.248host81-133-30-248.in-addr.btopenworld.com0
81.133.30.249remote.crosslinksolutions.co.uk0
81.133.30.250host81-133-30-250.in-addr.btopenworld.com0
81.133.30.251host81-133-30-251.in-addr.btopenworld.com0
81.133.30.252host81-133-30-252.in-addr.btopenworld.com0
81.133.30.253host81-133-30-253.in-addr.btopenworld.com0Ping
81.133.30.254host81-133-30-254.in-addr.btopenworld.com0
81.133.30.255host81-133-30-255.in-addr.btopenworld.com0

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 81.133.30.148
traceroute to 81.133.30.148 (81.133.30.148): 64 hops max, 52 byte packets
4 [] 195.66.224.10 0.765 ms
5 [AS2856] 194.72.16.139 0.946 ms
6 *
7 [AS2856] 217.32.240.14 2.09 ms
8 [AS2856] 217.32.25.105 1.415 ms
9 [AS2856] 81.133.30.148 10.076 ms
Measurement taken from  IPinfo ProbeNet in London, GB
On