IPinfo - Comprehensive IP address data, IP geolocation API and database
  1. All IP Ranges
  2. 81.0.0.0/8
  3. 81.137.0.0/16
  4. 81.137.172.0/24

81.137.172.0/24 IP Range

Summary

ASNAS2856 British Telecommunications PLC
BGP81.128.0.0/12
IPs with RDNS256
Hosted Domains0
Pingable IPs14
Router IPs1
81.137.172.0host81-137-172-0.in-addr.btopenworld.com0
81.137.172.1host81-137-172-1.in-addr.btopenworld.com0
81.137.172.2host81-137-172-2.in-addr.btopenworld.com0
81.137.172.3host81-137-172-3.in-addr.btopenworld.com0
81.137.172.4host81-137-172-4.in-addr.btopenworld.com0
81.137.172.5host81-137-172-5.in-addr.btopenworld.com0
81.137.172.6host81-137-172-6.in-addr.btopenworld.com0
81.137.172.7host81-137-172-7.in-addr.btopenworld.com0
81.137.172.8host81-137-172-8.in-addr.btopenworld.com0
81.137.172.9host81-137-172-9.in-addr.btopenworld.com0
81.137.172.10host81-137-172-10.in-addr.btopenworld.com0
81.137.172.11host81-137-172-11.in-addr.btopenworld.com0
81.137.172.12host81-137-172-12.in-addr.btopenworld.com0
81.137.172.13host81-137-172-13.in-addr.btopenworld.com0
81.137.172.14host81-137-172-14.in-addr.btopenworld.com0
81.137.172.15host81-137-172-15.in-addr.btopenworld.com0
81.137.172.16host81-137-172-16.in-addr.btopenworld.com0
81.137.172.17host81-137-172-17.in-addr.btopenworld.com0
81.137.172.18host81-137-172-18.in-addr.btopenworld.com0
81.137.172.19host81-137-172-19.in-addr.btopenworld.com0
81.137.172.20host81-137-172-20.in-addr.btopenworld.com0
81.137.172.21host81-137-172-21.in-addr.btopenworld.com0
81.137.172.22host81-137-172-22.in-addr.btopenworld.com0
81.137.172.23host81-137-172-23.in-addr.btopenworld.com0
81.137.172.24host81-137-172-24.in-addr.btopenworld.com0
81.137.172.25host81-137-172-25.in-addr.btopenworld.com0
81.137.172.26host81-137-172-26.in-addr.btopenworld.com0
81.137.172.27host81-137-172-27.in-addr.btopenworld.com0
81.137.172.28host81-137-172-28.in-addr.btopenworld.com0
81.137.172.29host81-137-172-29.in-addr.btopenworld.com0
81.137.172.30host81-137-172-30.in-addr.btopenworld.com0
81.137.172.31host81-137-172-31.in-addr.btopenworld.com0
81.137.172.32host81-137-172-32.in-addr.btopenworld.com0
81.137.172.33host81-137-172-33.in-addr.btopenworld.com0
81.137.172.34host81-137-172-34.in-addr.btopenworld.com0
81.137.172.35host81-137-172-35.in-addr.btopenworld.com0
81.137.172.36host81-137-172-36.in-addr.btopenworld.com0
81.137.172.37host81-137-172-37.in-addr.btopenworld.com0
81.137.172.38host81-137-172-38.in-addr.btopenworld.com0
81.137.172.39host81-137-172-39.in-addr.btopenworld.com0
81.137.172.40host81-137-172-40.in-addr.btopenworld.com0
81.137.172.41host81-137-172-41.in-addr.btopenworld.com0
81.137.172.42host81-137-172-42.in-addr.btopenworld.com0
81.137.172.43host81-137-172-43.in-addr.btopenworld.com0
81.137.172.44host81-137-172-44.in-addr.btopenworld.com0
81.137.172.45host81-137-172-45.in-addr.btopenworld.com0
81.137.172.46host81-137-172-46.in-addr.btopenworld.com0
81.137.172.47host81-137-172-47.in-addr.btopenworld.com0
81.137.172.48host81-137-172-48.in-addr.btopenworld.com0
81.137.172.49host81-137-172-49.in-addr.btopenworld.com0
81.137.172.50host81-137-172-50.in-addr.btopenworld.com0
81.137.172.51host81-137-172-51.in-addr.btopenworld.com0
81.137.172.52host81-137-172-52.in-addr.btopenworld.com0
81.137.172.53host81-137-172-53.in-addr.btopenworld.com0
81.137.172.54host81-137-172-54.in-addr.btopenworld.com0
81.137.172.55host81-137-172-55.in-addr.btopenworld.com0
81.137.172.56host81-137-172-56.in-addr.btopenworld.com0
81.137.172.57host81-137-172-57.in-addr.btopenworld.com0
81.137.172.58host81-137-172-58.in-addr.btopenworld.com0
81.137.172.59host81-137-172-59.in-addr.btopenworld.com0
81.137.172.60host81-137-172-60.in-addr.btopenworld.com0
81.137.172.61host81-137-172-61.in-addr.btopenworld.com0
81.137.172.62host81-137-172-62.in-addr.btopenworld.com0
81.137.172.63host81-137-172-63.in-addr.btopenworld.com0
81.137.172.64host81-137-172-64.in-addr.btopenworld.com0
81.137.172.65host81-137-172-65.in-addr.btopenworld.com0
81.137.172.66host81-137-172-66.in-addr.btopenworld.com0
81.137.172.67host81-137-172-67.in-addr.btopenworld.com0
81.137.172.68host81-137-172-68.in-addr.btopenworld.com0
81.137.172.69host81-137-172-69.in-addr.btopenworld.com0
81.137.172.70host81-137-172-70.in-addr.btopenworld.com0
81.137.172.71host81-137-172-71.in-addr.btopenworld.com0
81.137.172.72host81-137-172-72.in-addr.btopenworld.com0
81.137.172.73host81-137-172-73.in-addr.btopenworld.com0
81.137.172.74host81-137-172-74.in-addr.btopenworld.com0
81.137.172.75host81-137-172-75.in-addr.btopenworld.com0
81.137.172.76host81-137-172-76.in-addr.btopenworld.com0
81.137.172.77host81-137-172-77.in-addr.btopenworld.com0
81.137.172.78host81-137-172-78.in-addr.btopenworld.com0
81.137.172.79host81-137-172-79.in-addr.btopenworld.com0
81.137.172.80host81-137-172-80.in-addr.btopenworld.com0
81.137.172.81host81-137-172-81.in-addr.btopenworld.com0
81.137.172.82host81-137-172-82.in-addr.btopenworld.com0
81.137.172.83host81-137-172-83.in-addr.btopenworld.com0
81.137.172.84host81-137-172-84.in-addr.btopenworld.com0
81.137.172.85host81-137-172-85.in-addr.btopenworld.com0
81.137.172.86host81-137-172-86.in-addr.btopenworld.com0
81.137.172.87host81-137-172-87.in-addr.btopenworld.com0
81.137.172.88host81-137-172-88.in-addr.btopenworld.com0
81.137.172.89host81-137-172-89.in-addr.btopenworld.com0
81.137.172.90host81-137-172-90.in-addr.btopenworld.com0
81.137.172.91host81-137-172-91.in-addr.btopenworld.com0
81.137.172.92host81-137-172-92.in-addr.btopenworld.com0
81.137.172.93host81-137-172-93.in-addr.btopenworld.com0
81.137.172.94host81-137-172-94.in-addr.btopenworld.com0
81.137.172.95host81-137-172-95.in-addr.btopenworld.com0
81.137.172.96host81-137-172-96.in-addr.btopenworld.com0
81.137.172.97host81-137-172-97.in-addr.btopenworld.com0
81.137.172.98host81-137-172-98.in-addr.btopenworld.com0
81.137.172.99host81-137-172-99.in-addr.btopenworld.com0
81.137.172.100host81-137-172-100.in-addr.btopenworld.com0
81.137.172.101host81-137-172-101.in-addr.btopenworld.com0
81.137.172.102host81-137-172-102.in-addr.btopenworld.com0
81.137.172.103host81-137-172-103.in-addr.btopenworld.com0
81.137.172.104host81-137-172-104.in-addr.btopenworld.com0
81.137.172.105smtp.paragonprinting.co.uk0
81.137.172.106host81-137-172-106.in-addr.btopenworld.com0
81.137.172.107host81-137-172-107.in-addr.btopenworld.com0
81.137.172.108host81-137-172-108.in-addr.btopenworld.com0
81.137.172.109host81-137-172-109.in-addr.btopenworld.com0
81.137.172.110host81-137-172-110.in-addr.btopenworld.com0
81.137.172.111host81-137-172-111.in-addr.btopenworld.com0
81.137.172.112host81-137-172-112.in-addr.btopenworld.com0
81.137.172.113host81-137-172-113.in-addr.btopenworld.com0
81.137.172.114host81-137-172-114.in-addr.btopenworld.com0
81.137.172.115host81-137-172-115.in-addr.btopenworld.com0
81.137.172.116host81-137-172-116.in-addr.btopenworld.com0
81.137.172.117host81-137-172-117.in-addr.btopenworld.com0
81.137.172.118host81-137-172-118.in-addr.btopenworld.com0
81.137.172.119host81-137-172-119.in-addr.btopenworld.com0
81.137.172.120host81-137-172-120.in-addr.btopenworld.com0
81.137.172.121host81-137-172-121.in-addr.btopenworld.com0
81.137.172.122host81-137-172-122.in-addr.btopenworld.com0
81.137.172.123host81-137-172-123.in-addr.btopenworld.com0
81.137.172.124host81-137-172-124.in-addr.btopenworld.com0
81.137.172.125host81-137-172-125.in-addr.btopenworld.com0
81.137.172.126host81-137-172-126.in-addr.btopenworld.com0
81.137.172.127host81-137-172-127.in-addr.btopenworld.com0
81.137.172.128host81-137-172-128.in-addr.btopenworld.com0
81.137.172.129host81-137-172-129.in-addr.btopenworld.com0
81.137.172.130host81-137-172-130.in-addr.btopenworld.com0
81.137.172.131host81-137-172-131.in-addr.btopenworld.com0
81.137.172.132host81-137-172-132.in-addr.btopenworld.com0
81.137.172.133host81-137-172-133.in-addr.btopenworld.com0
81.137.172.134host81-137-172-134.in-addr.btopenworld.com0
81.137.172.135host81-137-172-135.in-addr.btopenworld.com0
81.137.172.136host81-137-172-136.in-addr.btopenworld.com0
81.137.172.137host81-137-172-137.in-addr.btopenworld.com0
81.137.172.138host81-137-172-138.in-addr.btopenworld.com0
81.137.172.139host81-137-172-139.in-addr.btopenworld.com0
81.137.172.140host81-137-172-140.in-addr.btopenworld.com0
81.137.172.141host81-137-172-141.in-addr.btopenworld.com0
81.137.172.142host81-137-172-142.in-addr.btopenworld.com0
81.137.172.143host81-137-172-143.in-addr.btopenworld.com0
81.137.172.144host81-137-172-144.in-addr.btopenworld.com0
81.137.172.145host81-137-172-145.in-addr.btopenworld.com0
81.137.172.146host81-137-172-146.in-addr.btopenworld.com0
81.137.172.147host81-137-172-147.in-addr.btopenworld.com0
81.137.172.148host81-137-172-148.in-addr.btopenworld.com0
81.137.172.149host81-137-172-149.in-addr.btopenworld.com0
81.137.172.150host81-137-172-150.in-addr.btopenworld.com0
81.137.172.151host81-137-172-151.in-addr.btopenworld.com0
81.137.172.152host81-137-172-152.in-addr.btopenworld.com0
81.137.172.153host81-137-172-153.in-addr.btopenworld.com0
81.137.172.154host81-137-172-154.in-addr.btopenworld.com0
81.137.172.155host81-137-172-155.in-addr.btopenworld.com0
81.137.172.156host81-137-172-156.in-addr.btopenworld.com0
81.137.172.157host81-137-172-157.in-addr.btopenworld.com0
81.137.172.158host81-137-172-158.in-addr.btopenworld.com0
81.137.172.159host81-137-172-159.in-addr.btopenworld.com0
81.137.172.160host81-137-172-160.in-addr.btopenworld.com0
81.137.172.161host81-137-172-161.in-addr.btopenworld.com0
81.137.172.162host81-137-172-162.in-addr.btopenworld.com0
81.137.172.163host81-137-172-163.in-addr.btopenworld.com0
81.137.172.164host81-137-172-164.in-addr.btopenworld.com0
81.137.172.165host81-137-172-165.in-addr.btopenworld.com0
81.137.172.166host81-137-172-166.in-addr.btopenworld.com0
81.137.172.167host81-137-172-167.in-addr.btopenworld.com0
81.137.172.168host81-137-172-168.in-addr.btopenworld.com0
81.137.172.169host81-137-172-169.in-addr.btopenworld.com0
81.137.172.170host81-137-172-170.in-addr.btopenworld.com0
81.137.172.171host81-137-172-171.in-addr.btopenworld.com0
81.137.172.172host81-137-172-172.in-addr.btopenworld.com0
81.137.172.173host81-137-172-173.in-addr.btopenworld.com0
81.137.172.174host81-137-172-174.in-addr.btopenworld.com0
81.137.172.175host81-137-172-175.in-addr.btopenworld.com0
81.137.172.176host81-137-172-176.in-addr.btopenworld.com0
81.137.172.177host81-137-172-177.in-addr.btopenworld.com0
81.137.172.178host81-137-172-178.in-addr.btopenworld.com0
81.137.172.179host81-137-172-179.in-addr.btopenworld.com0
81.137.172.180host81-137-172-180.in-addr.btopenworld.com0
81.137.172.181host81-137-172-181.in-addr.btopenworld.com0
81.137.172.182host81-137-172-182.in-addr.btopenworld.com0
81.137.172.183host81-137-172-183.in-addr.btopenworld.com0
81.137.172.184host81-137-172-184.in-addr.btopenworld.com0
81.137.172.185host81-137-172-185.in-addr.btopenworld.com0
81.137.172.186host81-137-172-186.in-addr.btopenworld.com0
81.137.172.187host81-137-172-187.in-addr.btopenworld.com0
81.137.172.188host81-137-172-188.in-addr.btopenworld.com0
81.137.172.189host81-137-172-189.in-addr.btopenworld.com0
81.137.172.190host81-137-172-190.in-addr.btopenworld.com0
81.137.172.191host81-137-172-191.in-addr.btopenworld.com0
81.137.172.192host81-137-172-192.in-addr.btopenworld.com0
81.137.172.193host81-137-172-193.in-addr.btopenworld.com0
81.137.172.194host81-137-172-194.in-addr.btopenworld.com0
81.137.172.195host81-137-172-195.in-addr.btopenworld.com0
81.137.172.196host81-137-172-196.in-addr.btopenworld.com0
81.137.172.197host81-137-172-197.in-addr.btopenworld.com0
81.137.172.198host81-137-172-198.in-addr.btopenworld.com0
81.137.172.199host81-137-172-199.in-addr.btopenworld.com0
81.137.172.200host81-137-172-200.in-addr.btopenworld.com0
81.137.172.201host81-137-172-201.in-addr.btopenworld.com0
81.137.172.202host81-137-172-202.in-addr.btopenworld.com0
81.137.172.203host81-137-172-203.in-addr.btopenworld.com0
81.137.172.204host81-137-172-204.in-addr.btopenworld.com0
81.137.172.205host81-137-172-205.in-addr.btopenworld.com0
81.137.172.206host81-137-172-206.in-addr.btopenworld.com0
81.137.172.207host81-137-172-207.in-addr.btopenworld.com0
81.137.172.208host81-137-172-208.in-addr.btopenworld.com0
81.137.172.209host81-137-172-209.in-addr.btopenworld.com0
81.137.172.210host81-137-172-210.in-addr.btopenworld.com0
81.137.172.211host81-137-172-211.in-addr.btopenworld.com0
81.137.172.212host81-137-172-212.in-addr.btopenworld.com0
81.137.172.213host81-137-172-213.in-addr.btopenworld.com0
81.137.172.214host81-137-172-214.in-addr.btopenworld.com0
81.137.172.215host81-137-172-215.in-addr.btopenworld.com0
81.137.172.216host81-137-172-216.in-addr.btopenworld.com0
81.137.172.217host81-137-172-217.in-addr.btopenworld.com0
81.137.172.218host81-137-172-218.in-addr.btopenworld.com0
81.137.172.219host81-137-172-219.in-addr.btopenworld.com0
81.137.172.220host81-137-172-220.in-addr.btopenworld.com0
81.137.172.221host81-137-172-221.in-addr.btopenworld.com0
81.137.172.222host81-137-172-222.in-addr.btopenworld.com0
81.137.172.223host81-137-172-223.in-addr.btopenworld.com0
81.137.172.224host81-137-172-224.in-addr.btopenworld.com0
81.137.172.225host81-137-172-225.in-addr.btopenworld.com0
81.137.172.226host81-137-172-226.in-addr.btopenworld.com0
81.137.172.227host81-137-172-227.in-addr.btopenworld.com0
81.137.172.228host81-137-172-228.in-addr.btopenworld.com0
81.137.172.229host81-137-172-229.in-addr.btopenworld.com0
81.137.172.230host81-137-172-230.in-addr.btopenworld.com0
81.137.172.231host81-137-172-231.in-addr.btopenworld.com0
81.137.172.232host81-137-172-232.in-addr.btopenworld.com0
81.137.172.233host81-137-172-233.in-addr.btopenworld.com0
81.137.172.234host81-137-172-234.in-addr.btopenworld.com0
81.137.172.235host81-137-172-235.in-addr.btopenworld.com0
81.137.172.236host81-137-172-236.in-addr.btopenworld.com0
81.137.172.237host81-137-172-237.in-addr.btopenworld.com0
81.137.172.238host81-137-172-238.in-addr.btopenworld.com0
81.137.172.239host81-137-172-239.in-addr.btopenworld.com0
81.137.172.240host81-137-172-240.in-addr.btopenworld.com0
81.137.172.241host81-137-172-241.in-addr.btopenworld.com0
81.137.172.242host81-137-172-242.in-addr.btopenworld.com0
81.137.172.243host81-137-172-243.in-addr.btopenworld.com0
81.137.172.244host81-137-172-244.in-addr.btopenworld.com0
81.137.172.245host81-137-172-245.in-addr.btopenworld.com0
81.137.172.246host81-137-172-246.in-addr.btopenworld.com0
81.137.172.247host81-137-172-247.in-addr.btopenworld.com0
81.137.172.248host81-137-172-248.in-addr.btopenworld.com0
81.137.172.249host81-137-172-249.in-addr.btopenworld.com0
81.137.172.250host81-137-172-250.in-addr.btopenworld.com0
81.137.172.251host81-137-172-251.in-addr.btopenworld.com0
81.137.172.252host81-137-172-252.in-addr.btopenworld.com0
81.137.172.253host81-137-172-253.in-addr.btopenworld.com0
81.137.172.254host81-137-172-254.in-addr.btopenworld.com0
81.137.172.255host81-137-172-255.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 -f3 81.137.172.38
traceroute to 81.137.172.38 (81.137.172.38): 64 hops max, 52 byte packets
3 [AS16509] 99.83.92.48 10.845 ms
4 [AS16509] 99.83.92.49 9.711 ms
5 [AS2856] 194.72.16.73 10.201 ms
6 *
7 [AS2856] 217.32.25.109 9.053 ms
8 [AS2856] 81.137.172.38 21.903 ms
Measurement taken from  IPinfo ProbeNet in Paris, FR
On