IPinfo - Comprehensive IP address data, IP geolocation API and database
  1. All IP Ranges
  2. 81.0.0.0/8
  3. 81.138.0.0/16
  4. 81.138.173.0/24

81.138.173.0/24 IP Range

Summary

ASNAS2856 British Telecommunications PLC
BGP81.128.0.0/12
IPs with RDNS256
Hosted Domains0
Pingable IPs0
Router IPs0
81.138.173.0host81-138-173-0.in-addr.btopenworld.com0
81.138.173.1host81-138-173-1.in-addr.btopenworld.com0
81.138.173.2host81-138-173-2.in-addr.btopenworld.com0
81.138.173.3host81-138-173-3.in-addr.btopenworld.com0
81.138.173.4host81-138-173-4.in-addr.btopenworld.com0
81.138.173.5host81-138-173-5.in-addr.btopenworld.com0
81.138.173.6host81-138-173-6.in-addr.btopenworld.com0
81.138.173.7host81-138-173-7.in-addr.btopenworld.com0
81.138.173.8host81-138-173-8.in-addr.btopenworld.com0
81.138.173.9host81-138-173-9.in-addr.btopenworld.com0
81.138.173.10host81-138-173-10.in-addr.btopenworld.com0
81.138.173.11host81-138-173-11.in-addr.btopenworld.com0
81.138.173.12host81-138-173-12.in-addr.btopenworld.com0
81.138.173.13host81-138-173-13.in-addr.btopenworld.com0
81.138.173.14host81-138-173-14.in-addr.btopenworld.com0
81.138.173.15host81-138-173-15.in-addr.btopenworld.com0
81.138.173.16host81-138-173-16.in-addr.btopenworld.com0
81.138.173.17abrmail.astabeab.com0
81.138.173.18host81-138-173-18.in-addr.btopenworld.com0
81.138.173.19host81-138-173-19.in-addr.btopenworld.com0
81.138.173.20host81-138-173-20.in-addr.btopenworld.com0
81.138.173.21host81-138-173-21.in-addr.btopenworld.com0
81.138.173.22host81-138-173-22.in-addr.btopenworld.com0
81.138.173.23host81-138-173-23.in-addr.btopenworld.com0
81.138.173.24host81-138-173-24.in-addr.btopenworld.com0
81.138.173.25sheffield-sw-1829.william-cook.co.uk0
81.138.173.26host81-138-173-26.in-addr.btopenworld.com0
81.138.173.27host81-138-173-27.in-addr.btopenworld.com0
81.138.173.28host81-138-173-28.in-addr.btopenworld.com0
81.138.173.29host81-138-173-29.in-addr.btopenworld.com0
81.138.173.30sheffield-gw-1829.william-cook.co.uk0
81.138.173.31host81-138-173-31.in-addr.btopenworld.com0
81.138.173.32host81-138-173-32.in-addr.btopenworld.com0
81.138.173.33host81-138-173-33.in-addr.btopenworld.com0
81.138.173.34host81-138-173-34.in-addr.btopenworld.com0
81.138.173.35host81-138-173-35.in-addr.btopenworld.com0
81.138.173.36host81-138-173-36.in-addr.btopenworld.com0
81.138.173.37host81-138-173-37.in-addr.btopenworld.com0
81.138.173.38host81-138-173-38.in-addr.btopenworld.com0
81.138.173.39host81-138-173-39.in-addr.btopenworld.com0
81.138.173.40host81-138-173-40.in-addr.btopenworld.com0
81.138.173.41host81-138-173-41.in-addr.btopenworld.com0
81.138.173.42host81-138-173-42.in-addr.btopenworld.com0
81.138.173.43host81-138-173-43.in-addr.btopenworld.com0
81.138.173.44host81-138-173-44.in-addr.btopenworld.com0
81.138.173.45host81-138-173-45.in-addr.btopenworld.com0
81.138.173.46host81-138-173-46.in-addr.btopenworld.com0
81.138.173.47host81-138-173-47.in-addr.btopenworld.com0
81.138.173.48host81-138-173-48.in-addr.btopenworld.com0
81.138.173.49host81-138-173-49.in-addr.btopenworld.com0
81.138.173.50host81-138-173-50.in-addr.btopenworld.com0
81.138.173.51host81-138-173-51.in-addr.btopenworld.com0
81.138.173.52host81-138-173-52.in-addr.btopenworld.com0
81.138.173.53host81-138-173-53.in-addr.btopenworld.com0
81.138.173.54host81-138-173-54.in-addr.btopenworld.com0
81.138.173.55host81-138-173-55.in-addr.btopenworld.com0
81.138.173.56host81-138-173-56.in-addr.btopenworld.com0
81.138.173.57host81-138-173-57.in-addr.btopenworld.com0
81.138.173.58host81-138-173-58.in-addr.btopenworld.com0
81.138.173.59host81-138-173-59.in-addr.btopenworld.com0
81.138.173.60host81-138-173-60.in-addr.btopenworld.com0
81.138.173.61host81-138-173-61.in-addr.btopenworld.com0
81.138.173.62host81-138-173-62.in-addr.btopenworld.com0
81.138.173.63host81-138-173-63.in-addr.btopenworld.com0
81.138.173.64host81-138-173-64.in-addr.btopenworld.com0
81.138.173.65host81-138-173-65.in-addr.btopenworld.com0
81.138.173.66host81-138-173-66.in-addr.btopenworld.com0
81.138.173.67host81-138-173-67.in-addr.btopenworld.com0
81.138.173.68host81-138-173-68.in-addr.btopenworld.com0
81.138.173.69host81-138-173-69.in-addr.btopenworld.com0
81.138.173.70host81-138-173-70.in-addr.btopenworld.com0
81.138.173.71host81-138-173-71.in-addr.btopenworld.com0
81.138.173.72host81-138-173-72.in-addr.btopenworld.com0
81.138.173.73host81-138-173-73.in-addr.btopenworld.com0
81.138.173.74host81-138-173-74.in-addr.btopenworld.com0
81.138.173.75host81-138-173-75.in-addr.btopenworld.com0
81.138.173.76host81-138-173-76.in-addr.btopenworld.com0
81.138.173.77host81-138-173-77.in-addr.btopenworld.com0
81.138.173.78host81-138-173-78.in-addr.btopenworld.com0
81.138.173.79host81-138-173-79.in-addr.btopenworld.com0
81.138.173.80host81-138-173-80.in-addr.btopenworld.com0
81.138.173.81host81-138-173-81.in-addr.btopenworld.com0
81.138.173.82host81-138-173-82.in-addr.btopenworld.com0
81.138.173.83host81-138-173-83.in-addr.btopenworld.com0
81.138.173.84host81-138-173-84.in-addr.btopenworld.com0
81.138.173.85host81-138-173-85.in-addr.btopenworld.com0
81.138.173.86host81-138-173-86.in-addr.btopenworld.com0
81.138.173.87host81-138-173-87.in-addr.btopenworld.com0
81.138.173.88host81-138-173-88.in-addr.btopenworld.com0
81.138.173.89host81-138-173-89.in-addr.btopenworld.com0
81.138.173.90host81-138-173-90.in-addr.btopenworld.com0
81.138.173.91host81-138-173-91.in-addr.btopenworld.com0
81.138.173.92host81-138-173-92.in-addr.btopenworld.com0
81.138.173.93host81-138-173-93.in-addr.btopenworld.com0
81.138.173.94host81-138-173-94.in-addr.btopenworld.com0
81.138.173.95host81-138-173-95.in-addr.btopenworld.com0
81.138.173.96host81-138-173-96.in-addr.btopenworld.com0
81.138.173.97host81-138-173-97.in-addr.btopenworld.com0
81.138.173.98host81-138-173-98.in-addr.btopenworld.com0
81.138.173.99host81-138-173-99.in-addr.btopenworld.com0
81.138.173.100host81-138-173-100.in-addr.btopenworld.com0
81.138.173.101host81-138-173-101.in-addr.btopenworld.com0
81.138.173.102host81-138-173-102.in-addr.btopenworld.com0
81.138.173.103host81-138-173-103.in-addr.btopenworld.com0
81.138.173.104host81-138-173-104.in-addr.btopenworld.com0
81.138.173.105host81-138-173-105.in-addr.btopenworld.com0
81.138.173.106host81-138-173-106.in-addr.btopenworld.com0
81.138.173.107host81-138-173-107.in-addr.btopenworld.com0
81.138.173.108host81-138-173-108.in-addr.btopenworld.com0
81.138.173.109host81-138-173-109.in-addr.btopenworld.com0
81.138.173.110host81-138-173-110.in-addr.btopenworld.com0
81.138.173.111host81-138-173-111.in-addr.btopenworld.com0
81.138.173.112host81-138-173-112.in-addr.btopenworld.com0
81.138.173.113host81-138-173-113.in-addr.btopenworld.com0
81.138.173.114host81-138-173-114.in-addr.btopenworld.com0
81.138.173.115host81-138-173-115.in-addr.btopenworld.com0
81.138.173.116host81-138-173-116.in-addr.btopenworld.com0
81.138.173.117host81-138-173-117.in-addr.btopenworld.com0
81.138.173.118host81-138-173-118.in-addr.btopenworld.com0
81.138.173.119host81-138-173-119.in-addr.btopenworld.com0
81.138.173.120host81-138-173-120.in-addr.btopenworld.com0
81.138.173.121host81-138-173-121.in-addr.btopenworld.com0
81.138.173.122host81-138-173-122.in-addr.btopenworld.com0
81.138.173.123host81-138-173-123.in-addr.btopenworld.com0
81.138.173.124host81-138-173-124.in-addr.btopenworld.com0
81.138.173.125host81-138-173-125.in-addr.btopenworld.com0
81.138.173.126host81-138-173-126.in-addr.btopenworld.com0
81.138.173.127host81-138-173-127.in-addr.btopenworld.com0
81.138.173.128host81-138-173-128.in-addr.btopenworld.com0
81.138.173.129host81-138-173-129.in-addr.btopenworld.com0
81.138.173.130host81-138-173-130.in-addr.btopenworld.com0
81.138.173.131host81-138-173-131.in-addr.btopenworld.com0
81.138.173.132host81-138-173-132.in-addr.btopenworld.com0
81.138.173.133host81-138-173-133.in-addr.btopenworld.com0
81.138.173.134host81-138-173-134.in-addr.btopenworld.com0
81.138.173.135host81-138-173-135.in-addr.btopenworld.com0
81.138.173.136host81-138-173-136.in-addr.btopenworld.com0
81.138.173.137host81-138-173-137.in-addr.btopenworld.com0
81.138.173.138host81-138-173-138.in-addr.btopenworld.com0
81.138.173.139host81-138-173-139.in-addr.btopenworld.com0
81.138.173.140host81-138-173-140.in-addr.btopenworld.com0
81.138.173.141host81-138-173-141.in-addr.btopenworld.com0
81.138.173.142host81-138-173-142.in-addr.btopenworld.com0
81.138.173.143host81-138-173-143.in-addr.btopenworld.com0
81.138.173.144host81-138-173-144.in-addr.btopenworld.com0
81.138.173.145host81-138-173-145.in-addr.btopenworld.com0
81.138.173.146host81-138-173-146.in-addr.btopenworld.com0
81.138.173.147host81-138-173-147.in-addr.btopenworld.com0
81.138.173.148host81-138-173-148.in-addr.btopenworld.com0
81.138.173.149host81-138-173-149.in-addr.btopenworld.com0
81.138.173.150host81-138-173-150.in-addr.btopenworld.com0
81.138.173.151host81-138-173-151.in-addr.btopenworld.com0
81.138.173.152host81-138-173-152.in-addr.btopenworld.com0
81.138.173.153host81-138-173-153.in-addr.btopenworld.com0
81.138.173.154host81-138-173-154.in-addr.btopenworld.com0
81.138.173.155host81-138-173-155.in-addr.btopenworld.com0
81.138.173.156host81-138-173-156.in-addr.btopenworld.com0
81.138.173.157host81-138-173-157.in-addr.btopenworld.com0
81.138.173.158host81-138-173-158.in-addr.btopenworld.com0
81.138.173.159host81-138-173-159.in-addr.btopenworld.com0
81.138.173.160host81-138-173-160.in-addr.btopenworld.com0
81.138.173.161host81-138-173-161.in-addr.btopenworld.com0
81.138.173.162host81-138-173-162.in-addr.btopenworld.com0
81.138.173.163host81-138-173-163.in-addr.btopenworld.com0
81.138.173.164host81-138-173-164.in-addr.btopenworld.com0
81.138.173.165host81-138-173-165.in-addr.btopenworld.com0
81.138.173.166host81-138-173-166.in-addr.btopenworld.com0
81.138.173.167host81-138-173-167.in-addr.btopenworld.com0
81.138.173.168host81-138-173-168.in-addr.btopenworld.com0
81.138.173.169host81-138-173-169.in-addr.btopenworld.com0
81.138.173.170host81-138-173-170.in-addr.btopenworld.com0
81.138.173.171host81-138-173-171.in-addr.btopenworld.com0
81.138.173.172host81-138-173-172.in-addr.btopenworld.com0
81.138.173.173host81-138-173-173.in-addr.btopenworld.com0
81.138.173.174host81-138-173-174.in-addr.btopenworld.com0
81.138.173.175host81-138-173-175.in-addr.btopenworld.com0
81.138.173.176host81-138-173-176.in-addr.btopenworld.com0
81.138.173.177host81-138-173-177.in-addr.btopenworld.com0
81.138.173.178host81-138-173-178.in-addr.btopenworld.com0
81.138.173.179host81-138-173-179.in-addr.btopenworld.com0
81.138.173.180host81-138-173-180.in-addr.btopenworld.com0
81.138.173.181host81-138-173-181.in-addr.btopenworld.com0
81.138.173.182host81-138-173-182.in-addr.btopenworld.com0
81.138.173.183host81-138-173-183.in-addr.btopenworld.com0
81.138.173.184host81-138-173-184.in-addr.btopenworld.com0
81.138.173.185host81-138-173-185.in-addr.btopenworld.com0
81.138.173.186host81-138-173-186.in-addr.btopenworld.com0
81.138.173.187host81-138-173-187.in-addr.btopenworld.com0
81.138.173.188host81-138-173-188.in-addr.btopenworld.com0
81.138.173.189host81-138-173-189.in-addr.btopenworld.com0
81.138.173.190host81-138-173-190.in-addr.btopenworld.com0
81.138.173.191host81-138-173-191.in-addr.btopenworld.com0
81.138.173.192host81-138-173-192.in-addr.btopenworld.com0
81.138.173.193host81-138-173-193.in-addr.btopenworld.com0
81.138.173.194host81-138-173-194.in-addr.btopenworld.com0
81.138.173.195host81-138-173-195.in-addr.btopenworld.com0
81.138.173.196host81-138-173-196.in-addr.btopenworld.com0
81.138.173.197host81-138-173-197.in-addr.btopenworld.com0
81.138.173.198host81-138-173-198.in-addr.btopenworld.com0
81.138.173.199host81-138-173-199.in-addr.btopenworld.com0
81.138.173.200host81-138-173-200.in-addr.btopenworld.com0
81.138.173.201host81-138-173-201.in-addr.btopenworld.com0
81.138.173.202host81-138-173-202.in-addr.btopenworld.com0
81.138.173.203host81-138-173-203.in-addr.btopenworld.com0
81.138.173.204host81-138-173-204.in-addr.btopenworld.com0
81.138.173.205host81-138-173-205.in-addr.btopenworld.com0
81.138.173.206host81-138-173-206.in-addr.btopenworld.com0
81.138.173.207host81-138-173-207.in-addr.btopenworld.com0
81.138.173.208host81-138-173-208.in-addr.btopenworld.com0
81.138.173.209host81-138-173-209.in-addr.btopenworld.com0
81.138.173.210host81-138-173-210.in-addr.btopenworld.com0
81.138.173.211host81-138-173-211.in-addr.btopenworld.com0
81.138.173.212host81-138-173-212.in-addr.btopenworld.com0
81.138.173.213host81-138-173-213.in-addr.btopenworld.com0
81.138.173.214mail.nextstepmortgages.co.uk0
81.138.173.215host81-138-173-215.in-addr.btopenworld.com0
81.138.173.216host81-138-173-216.in-addr.btopenworld.com0
81.138.173.217host81-138-173-217.in-addr.btopenworld.com0
81.138.173.218host81-138-173-218.in-addr.btopenworld.com0
81.138.173.219host81-138-173-219.in-addr.btopenworld.com0
81.138.173.220host81-138-173-220.in-addr.btopenworld.com0
81.138.173.221host81-138-173-221.in-addr.btopenworld.com0
81.138.173.222host81-138-173-222.in-addr.btopenworld.com0
81.138.173.223host81-138-173-223.in-addr.btopenworld.com0
81.138.173.224host81-138-173-224.in-addr.btopenworld.com0
81.138.173.225host81-138-173-225.in-addr.btopenworld.com0
81.138.173.226host81-138-173-226.in-addr.btopenworld.com0
81.138.173.227host81-138-173-227.in-addr.btopenworld.com0
81.138.173.228host81-138-173-228.in-addr.btopenworld.com0
81.138.173.229host81-138-173-229.in-addr.btopenworld.com0
81.138.173.230host81-138-173-230.in-addr.btopenworld.com0
81.138.173.231host81-138-173-231.in-addr.btopenworld.com0
81.138.173.232host81-138-173-232.in-addr.btopenworld.com0
81.138.173.233host81-138-173-233.in-addr.btopenworld.com0
81.138.173.234host81-138-173-234.in-addr.btopenworld.com0
81.138.173.235host81-138-173-235.in-addr.btopenworld.com0
81.138.173.236host81-138-173-236.in-addr.btopenworld.com0
81.138.173.237host81-138-173-237.in-addr.btopenworld.com0
81.138.173.238host81-138-173-238.in-addr.btopenworld.com0
81.138.173.239host81-138-173-239.in-addr.btopenworld.com0
81.138.173.240host81-138-173-240.in-addr.btopenworld.com0
81.138.173.241host81-138-173-241.in-addr.btopenworld.com0
81.138.173.242host81-138-173-242.in-addr.btopenworld.com0
81.138.173.243host81-138-173-243.in-addr.btopenworld.com0
81.138.173.244host81-138-173-244.in-addr.btopenworld.com0
81.138.173.245host81-138-173-245.in-addr.btopenworld.com0
81.138.173.246host81-138-173-246.in-addr.btopenworld.com0
81.138.173.247host81-138-173-247.in-addr.btopenworld.com0
81.138.173.248host81-138-173-248.in-addr.btopenworld.com0
81.138.173.249host81-138-173-249.in-addr.btopenworld.com0
81.138.173.250host81-138-173-250.in-addr.btopenworld.com0
81.138.173.251host81-138-173-251.in-addr.btopenworld.com0
81.138.173.252host81-138-173-252.in-addr.btopenworld.com0
81.138.173.253host81-138-173-253.in-addr.btopenworld.com0
81.138.173.254host81-138-173-254.in-addr.btopenworld.com0
81.138.173.255host81-138-173-255.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 -f4 -m8 81.138.173.71
traceroute to 81.138.173.71 (81.138.173.71): 8 hops max, 52 byte packets
4 [AS42831] 78.110.166.92 4.354 ms
5 [AS2856] 194.74.16.236 4.928 ms
6 *
7 *
8 *
Measurement taken from  IPinfo ProbeNet in Coventry, GB
On