IPinfo - Comprehensive IP address data, IP geolocation API and database
  1. All IP Ranges
  2. 81.0.0.0/8
  3. 81.149.0.0/16
  4. 81.149.172.0/24

81.149.172.0/24 IP Range

Summary

ASNAS2856 British Telecommunications PLC
BGP81.128.0.0/11
IPs with RDNS256
Hosted Domains0
Pingable IPs78
Router IPs0
81.149.172.0host81-149-172-0.in-addr.btopenworld.com0
81.149.172.1host81-149-172-1.in-addr.btopenworld.com0
81.149.172.2host81-149-172-2.in-addr.btopenworld.com0
81.149.172.3host81-149-172-3.in-addr.btopenworld.com0
81.149.172.4host81-149-172-4.in-addr.btopenworld.com0
81.149.172.5host81-149-172-5.in-addr.btopenworld.com0
81.149.172.6remote.cdsalarms.co.uk0
81.149.172.7host81-149-172-7.in-addr.btopenworld.com0
81.149.172.8host81-149-172-8.in-addr.btopenworld.com0
81.149.172.9host81-149-172-9.in-addr.btopenworld.com0
81.149.172.10host81-149-172-10.in-addr.btopenworld.com0
81.149.172.11host81-149-172-11.in-addr.btopenworld.com0
81.149.172.12host81-149-172-12.in-addr.btopenworld.com0
81.149.172.13host81-149-172-13.in-addr.btopenworld.com0
81.149.172.14host81-149-172-14.in-addr.btopenworld.com0
81.149.172.15host81-149-172-15.in-addr.btopenworld.com0
81.149.172.16host81-149-172-16.in-addr.btopenworld.com0
81.149.172.17host81-149-172-17.in-addr.btopenworld.com0
81.149.172.18host81-149-172-18.in-addr.btopenworld.com0
81.149.172.19mail.kames.co.uk0
81.149.172.20mail.rensowuk.com0
81.149.172.21host81-149-172-21.in-addr.btopenworld.com0
81.149.172.22host81-149-172-22.in-addr.btopenworld.com0
81.149.172.23host81-149-172-23.in-addr.btopenworld.com0
81.149.172.24mail.mascotservices.co.uk0
81.149.172.25host81-149-172-25.in-addr.btopenworld.com0
81.149.172.26mail.glacier.co.uk0
81.149.172.27host81-149-172-27.in-addr.btopenworld.com0
81.149.172.28host81-149-172-28.in-addr.btopenworld.com0
81.149.172.29host81-149-172-29.in-addr.btopenworld.com0
81.149.172.30host81-149-172-30.in-addr.btopenworld.com0
81.149.172.31host81-149-172-31.in-addr.btopenworld.com0
81.149.172.32host81-149-172-32.in-addr.btopenworld.com0
81.149.172.33host81-149-172-33.in-addr.btopenworld.com0
81.149.172.34exchange.peprenewables.com0
81.149.172.35host81-149-172-35.in-addr.btopenworld.com0
81.149.172.36host81-149-172-36.in-addr.btopenworld.com0
81.149.172.37host81-149-172-37.in-addr.btopenworld.com0
81.149.172.38host81-149-172-38.in-addr.btopenworld.com0
81.149.172.39host81-149-172-39.in-addr.btopenworld.com0
81.149.172.40host81-149-172-40.in-addr.btopenworld.com0
81.149.172.41host81-149-172-41.in-addr.btopenworld.com0
81.149.172.42remote.assetmanagement.co.uk0
81.149.172.43host81-149-172-43.in-addr.btopenworld.com0
81.149.172.44host81-149-172-44.in-addr.btopenworld.com0
81.149.172.45host81-149-172-45.in-addr.btopenworld.com0
81.149.172.46host81-149-172-46.in-addr.btopenworld.com0
81.149.172.47host81-149-172-47.in-addr.btopenworld.com0
81.149.172.48host81-149-172-48.in-addr.btopenworld.com0
81.149.172.49host81-149-172-49.in-addr.btopenworld.com0
81.149.172.50host81-149-172-50.in-addr.btopenworld.com0
81.149.172.51host81-149-172-51.in-addr.btopenworld.com0
81.149.172.52host81-149-172-52.in-addr.btopenworld.com0
81.149.172.53host81-149-172-53.in-addr.btopenworld.com0
81.149.172.54host81-149-172-54.in-addr.btopenworld.com0
81.149.172.55host81-149-172-55.in-addr.btopenworld.com0
81.149.172.56host81-149-172-56.in-addr.btopenworld.com0
81.149.172.57host81-149-172-57.in-addr.btopenworld.com0
81.149.172.58host81-149-172-58.in-addr.btopenworld.com0
81.149.172.59mail.njbconsultancy.com0
81.149.172.60host81-149-172-60.in-addr.btopenworld.com0
81.149.172.61host81-149-172-61.in-addr.btopenworld.com0
81.149.172.62host81-149-172-62.in-addr.btopenworld.com0
81.149.172.63host81-149-172-63.in-addr.btopenworld.com0
81.149.172.64host81-149-172-64.in-addr.btopenworld.com0
81.149.172.65host81-149-172-65.in-addr.btopenworld.com0
81.149.172.66host81-149-172-66.in-addr.btopenworld.com0
81.149.172.67host81-149-172-67.in-addr.btopenworld.com0
81.149.172.68host81-149-172-68.in-addr.btopenworld.com0
81.149.172.69host81-149-172-69.in-addr.btopenworld.com0
81.149.172.70host81-149-172-70.in-addr.btopenworld.com0
81.149.172.71host81-149-172-71.in-addr.btopenworld.com0
81.149.172.72host81-149-172-72.in-addr.btopenworld.com0
81.149.172.73host81-149-172-73.in-addr.btopenworld.com0
81.149.172.74host81-149-172-74.in-addr.btopenworld.com0
81.149.172.75host81-149-172-75.in-addr.btopenworld.com0
81.149.172.76host81-149-172-76.in-addr.btopenworld.com0
81.149.172.77host81-149-172-77.in-addr.btopenworld.com0
81.149.172.78host81-149-172-78.in-addr.btopenworld.com0
81.149.172.79host81-149-172-79.in-addr.btopenworld.com0
81.149.172.80host81-149-172-80.in-addr.btopenworld.com0
81.149.172.81host81-149-172-81.in-addr.btopenworld.com0
81.149.172.82host81-149-172-82.in-addr.btopenworld.com0
81.149.172.83host81-149-172-83.in-addr.btopenworld.com0
81.149.172.84host81-149-172-84.in-addr.btopenworld.com0
81.149.172.85host81-149-172-85.in-addr.btopenworld.com0
81.149.172.86host81-149-172-86.in-addr.btopenworld.com0
81.149.172.87host81-149-172-87.in-addr.btopenworld.com0
81.149.172.88host81-149-172-88.in-addr.btopenworld.com0
81.149.172.89host81-149-172-89.in-addr.btopenworld.com0
81.149.172.90host81-149-172-90.in-addr.btopenworld.com0
81.149.172.91host81-149-172-91.in-addr.btopenworld.com0
81.149.172.92host81-149-172-92.in-addr.btopenworld.com0
81.149.172.93host81-149-172-93.in-addr.btopenworld.com0
81.149.172.94host81-149-172-94.in-addr.btopenworld.com0
81.149.172.95host81-149-172-95.in-addr.btopenworld.com0
81.149.172.96host81-149-172-96.in-addr.btopenworld.com0
81.149.172.97host81-149-172-97.in-addr.btopenworld.com0
81.149.172.98host81-149-172-98.in-addr.btopenworld.com0
81.149.172.99host81-149-172-99.in-addr.btopenworld.com0
81.149.172.100host81-149-172-100.in-addr.btopenworld.com0
81.149.172.101host81-149-172-101.in-addr.btopenworld.com0
81.149.172.102host81-149-172-102.in-addr.btopenworld.com0
81.149.172.103host81-149-172-103.in-addr.btopenworld.com0
81.149.172.104host81-149-172-104.in-addr.btopenworld.com0
81.149.172.105host81-149-172-105.in-addr.btopenworld.com0
81.149.172.106host81-149-172-106.in-addr.btopenworld.com0
81.149.172.107host81-149-172-107.in-addr.btopenworld.com0
81.149.172.108host81-149-172-108.in-addr.btopenworld.com0
81.149.172.109host81-149-172-109.in-addr.btopenworld.com0
81.149.172.110host81-149-172-110.in-addr.btopenworld.com0
81.149.172.111host81-149-172-111.in-addr.btopenworld.com0
81.149.172.112host81-149-172-112.in-addr.btopenworld.com0
81.149.172.113host81-149-172-113.in-addr.btopenworld.com0
81.149.172.114host81-149-172-114.in-addr.btopenworld.com0
81.149.172.115host81-149-172-115.in-addr.btopenworld.com0
81.149.172.116host81-149-172-116.in-addr.btopenworld.com0
81.149.172.117host81-149-172-117.in-addr.btopenworld.com0
81.149.172.118host81-149-172-118.in-addr.btopenworld.com0
81.149.172.119host81-149-172-119.in-addr.btopenworld.com0
81.149.172.120remote.nprime.co.uk0
81.149.172.121host81-149-172-121.in-addr.btopenworld.com0
81.149.172.122host81-149-172-122.in-addr.btopenworld.com0
81.149.172.123host81-149-172-123.in-addr.btopenworld.com0
81.149.172.124host81-149-172-124.in-addr.btopenworld.com0
81.149.172.125host81-149-172-125.in-addr.btopenworld.com0
81.149.172.126host81-149-172-126.in-addr.btopenworld.com0
81.149.172.127host81-149-172-127.in-addr.btopenworld.com0
81.149.172.128host81-149-172-128.in-addr.btopenworld.com0
81.149.172.129host81-149-172-129.in-addr.btopenworld.com0
81.149.172.130host81-149-172-130.in-addr.btopenworld.com0
81.149.172.131host81-149-172-131.in-addr.btopenworld.com0
81.149.172.132host81-149-172-132.in-addr.btopenworld.com0
81.149.172.133host81-149-172-133.in-addr.btopenworld.com0
81.149.172.134host81-149-172-134.in-addr.btopenworld.com0
81.149.172.135host81-149-172-135.in-addr.btopenworld.com0
81.149.172.136host81-149-172-136.in-addr.btopenworld.com0
81.149.172.137host81-149-172-137.in-addr.btopenworld.com0
81.149.172.138host81-149-172-138.in-addr.btopenworld.com0
81.149.172.139host81-149-172-139.in-addr.btopenworld.com0
81.149.172.140host81-149-172-140.in-addr.btopenworld.com0
81.149.172.141host81-149-172-141.in-addr.btopenworld.com0
81.149.172.142host81-149-172-142.in-addr.btopenworld.com0
81.149.172.143host81-149-172-143.in-addr.btopenworld.com0
81.149.172.144host81-149-172-144.in-addr.btopenworld.com0
81.149.172.145host81-149-172-145.in-addr.btopenworld.com0
81.149.172.146host81-149-172-146.in-addr.btopenworld.com0
81.149.172.147host81-149-172-147.in-addr.btopenworld.com0
81.149.172.148host81-149-172-148.in-addr.btopenworld.com0
81.149.172.149host81-149-172-149.in-addr.btopenworld.com0
81.149.172.150host81-149-172-150.in-addr.btopenworld.com0
81.149.172.151flintinsurance.co.uk0
81.149.172.152host81-149-172-152.in-addr.btopenworld.com0
81.149.172.153mail.pchospital.uk.com0
81.149.172.154host81-149-172-154.in-addr.btopenworld.com0
81.149.172.155host81-149-172-155.in-addr.btopenworld.com0
81.149.172.156host81-149-172-156.in-addr.btopenworld.com0
81.149.172.157host81-149-172-157.in-addr.btopenworld.com0
81.149.172.158host81-149-172-158.in-addr.btopenworld.com0
81.149.172.159host81-149-172-159.in-addr.btopenworld.com0
81.149.172.160host81-149-172-160.in-addr.btopenworld.com0
81.149.172.161host81-149-172-161.in-addr.btopenworld.com0
81.149.172.162host81-149-172-162.in-addr.btopenworld.com0
81.149.172.163host81-149-172-163.in-addr.btopenworld.com0
81.149.172.164host81-149-172-164.in-addr.btopenworld.com0
81.149.172.165host81-149-172-165.in-addr.btopenworld.com0
81.149.172.166mx.freshsubs.co.uk0
81.149.172.167host81-149-172-167.in-addr.btopenworld.com0
81.149.172.168host81-149-172-168.in-addr.btopenworld.com0
81.149.172.169host81-149-172-169.in-addr.btopenworld.com0
81.149.172.170host81-149-172-170.in-addr.btopenworld.com0
81.149.172.171host81-149-172-171.in-addr.btopenworld.com0
81.149.172.172host81-149-172-172.in-addr.btopenworld.com0
81.149.172.173host81-149-172-173.in-addr.btopenworld.com0
81.149.172.174host81-149-172-174.in-addr.btopenworld.com0
81.149.172.175host81-149-172-175.in-addr.btopenworld.com0
81.149.172.176mail.purpleline.co.uk0
81.149.172.177host81-149-172-177.in-addr.btopenworld.com0
81.149.172.178host81-149-172-178.in-addr.btopenworld.com0
81.149.172.179host81-149-172-179.in-addr.btopenworld.com0
81.149.172.180host81-149-172-180.in-addr.btopenworld.com0
81.149.172.181host81-149-172-181.in-addr.btopenworld.com0
81.149.172.182host81-149-172-182.in-addr.btopenworld.com0
81.149.172.183mx2.topspec.com0
81.149.172.184host81-149-172-184.in-addr.btopenworld.com0
81.149.172.185host81-149-172-185.in-addr.btopenworld.com0
81.149.172.186host81-149-172-186.in-addr.btopenworld.com0
81.149.172.187mail.okaneplumbingandelectrics.com0
81.149.172.188host81-149-172-188.in-addr.btopenworld.com0
81.149.172.189host81-149-172-189.in-addr.btopenworld.com0
81.149.172.190host81-149-172-190.in-addr.btopenworld.com0
81.149.172.191host81-149-172-191.in-addr.btopenworld.com0
81.149.172.192host81-149-172-192.in-addr.btopenworld.com0
81.149.172.193host81-149-172-193.in-addr.btopenworld.com0
81.149.172.194host81-149-172-194.in-addr.btopenworld.com0
81.149.172.195host81-149-172-195.in-addr.btopenworld.com0
81.149.172.196host81-149-172-196.in-addr.btopenworld.com0
81.149.172.197host81-149-172-197.in-addr.btopenworld.com0
81.149.172.198host81-149-172-198.in-addr.btopenworld.com0
81.149.172.199host81-149-172-199.in-addr.btopenworld.com0
81.149.172.200host81-149-172-200.in-addr.btopenworld.com0
81.149.172.201host81-149-172-201.in-addr.btopenworld.com0
81.149.172.202host81-149-172-202.in-addr.btopenworld.com0
81.149.172.203host81-149-172-203.in-addr.btopenworld.com0
81.149.172.204host81-149-172-204.in-addr.btopenworld.com0
81.149.172.205host81-149-172-205.in-addr.btopenworld.com0
81.149.172.206host81-149-172-206.in-addr.btopenworld.com0
81.149.172.207host81-149-172-207.in-addr.btopenworld.com0
81.149.172.208host81-149-172-208.in-addr.btopenworld.com0
81.149.172.209mail.wilsonwraight.co.uk0
81.149.172.210host81-149-172-210.in-addr.btopenworld.com0
81.149.172.211host81-149-172-211.in-addr.btopenworld.com0
81.149.172.212host81-149-172-212.in-addr.btopenworld.com0
81.149.172.213host81-149-172-213.in-addr.btopenworld.com0
81.149.172.214host81-149-172-214.in-addr.btopenworld.com0
81.149.172.215host81-149-172-215.in-addr.btopenworld.com0
81.149.172.216host81-149-172-216.in-addr.btopenworld.com0
81.149.172.217host81-149-172-217.in-addr.btopenworld.com0
81.149.172.218host81-149-172-218.in-addr.btopenworld.com0
81.149.172.219host81-149-172-219.in-addr.btopenworld.com0
81.149.172.220host81-149-172-220.in-addr.btopenworld.com0
81.149.172.221host81-149-172-221.in-addr.btopenworld.com0
81.149.172.222host81-149-172-222.in-addr.btopenworld.com0
81.149.172.223host81-149-172-223.in-addr.btopenworld.com0
81.149.172.224host81-149-172-224.in-addr.btopenworld.com0
81.149.172.225host81-149-172-225.in-addr.btopenworld.com0
81.149.172.226host81-149-172-226.in-addr.btopenworld.com0
81.149.172.227host81-149-172-227.in-addr.btopenworld.com0
81.149.172.228host81-149-172-228.in-addr.btopenworld.com0
81.149.172.229host81-149-172-229.in-addr.btopenworld.com0
81.149.172.230host81-149-172-230.in-addr.btopenworld.com0
81.149.172.231host81-149-172-231.in-addr.btopenworld.com0
81.149.172.232host81-149-172-232.in-addr.btopenworld.com0
81.149.172.233host81-149-172-233.in-addr.btopenworld.com0
81.149.172.234host81-149-172-234.in-addr.btopenworld.com0
81.149.172.235host81-149-172-235.in-addr.btopenworld.com0
81.149.172.236host81-149-172-236.in-addr.btopenworld.com0
81.149.172.237host81-149-172-237.in-addr.btopenworld.com0
81.149.172.238host81-149-172-238.in-addr.btopenworld.com0
81.149.172.239host81-149-172-239.in-addr.btopenworld.com0
81.149.172.240smtp.sanctuaryforveterans.co.uk0
81.149.172.241host81-149-172-241.in-addr.btopenworld.com0
81.149.172.242host81-149-172-242.in-addr.btopenworld.com0
81.149.172.243host81-149-172-243.in-addr.btopenworld.com0
81.149.172.244host81-149-172-244.in-addr.btopenworld.com0
81.149.172.245host81-149-172-245.in-addr.btopenworld.com0
81.149.172.246host81-149-172-246.in-addr.btopenworld.com0
81.149.172.247host81-149-172-247.in-addr.btopenworld.com0
81.149.172.248host81-149-172-248.in-addr.btopenworld.com0
81.149.172.249host81-149-172-249.in-addr.btopenworld.com0
81.149.172.250host81-149-172-250.in-addr.btopenworld.com0
81.149.172.251host81-149-172-251.in-addr.btopenworld.com0
81.149.172.252host81-149-172-252.in-addr.btopenworld.com0
81.149.172.253host81-149-172-253.in-addr.btopenworld.com0
81.149.172.254host81-149-172-254.in-addr.btopenworld.com0
81.149.172.255host81-149-172-255.in-addr.btopenworld.com0

Traceroute

Below is a recent traceroute taken from the IPinfo ProbeNet to an IP in this range. Learn more.
$
traceroute -a -n -q1 -f5 81.149.172.123
traceroute to 81.149.172.123 (81.149.172.123): 64 hops max, 52 byte packets
5 [AS174] 154.54.57.209 0.938 ms
6 *
7 [AS5400] 166.49.214.195 21.543 ms
8 [AS2856] 194.72.16.137 0.796 ms
9 *
10 [AS2856] 217.32.240.92 1.411 ms
11 [AS2856] 213.120.163.213 0.761 ms
12 [AS2856] 81.149.172.123 23.516 ms
Measurement taken from  IPinfo ProbeNet in London, GB
On