IPinfo - Comprehensive IP address data, IP geolocation API and database
  1. All IP Ranges
  2. 81.0.0.0/8
  3. 81.139.0.0/16
  4. 81.139.21.0/24

81.139.21.0/24 IP Range

Summary

ASNAS2856 British Telecommunications PLC
BGP81.128.0.0/12
IPs with RDNS256
Hosted Domains0
Pingable IPs0
Router IPs0
81.139.21.0host81-139-21-0.in-addr.btopenworld.com0
81.139.21.1host81-139-21-1.in-addr.btopenworld.com0
81.139.21.2host81-139-21-2.in-addr.btopenworld.com0
81.139.21.3host81-139-21-3.in-addr.btopenworld.com0
81.139.21.4host81-139-21-4.in-addr.btopenworld.com0
81.139.21.5host81-139-21-5.in-addr.btopenworld.com0
81.139.21.6host81-139-21-6.in-addr.btopenworld.com0
81.139.21.7host81-139-21-7.in-addr.btopenworld.com0
81.139.21.8host81-139-21-8.in-addr.btopenworld.com0
81.139.21.9host81-139-21-9.in-addr.btopenworld.com0
81.139.21.10host81-139-21-10.in-addr.btopenworld.com0
81.139.21.11host81-139-21-11.in-addr.btopenworld.com0
81.139.21.12host81-139-21-12.in-addr.btopenworld.com0
81.139.21.13host81-139-21-13.in-addr.btopenworld.com0
81.139.21.14host81-139-21-14.in-addr.btopenworld.com0
81.139.21.15host81-139-21-15.in-addr.btopenworld.com0
81.139.21.16host81-139-21-16.in-addr.btopenworld.com0
81.139.21.17host81-139-21-17.in-addr.btopenworld.com0
81.139.21.18host81-139-21-18.in-addr.btopenworld.com0
81.139.21.19host81-139-21-19.in-addr.btopenworld.com0
81.139.21.20host81-139-21-20.in-addr.btopenworld.com0
81.139.21.21host81-139-21-21.in-addr.btopenworld.com0
81.139.21.22host81-139-21-22.in-addr.btopenworld.com0
81.139.21.23host81-139-21-23.in-addr.btopenworld.com0
81.139.21.24host81-139-21-24.in-addr.btopenworld.com0
81.139.21.25host81-139-21-25.in-addr.btopenworld.com0
81.139.21.26host81-139-21-26.in-addr.btopenworld.com0
81.139.21.27host81-139-21-27.in-addr.btopenworld.com0
81.139.21.28host81-139-21-28.in-addr.btopenworld.com0
81.139.21.29host81-139-21-29.in-addr.btopenworld.com0
81.139.21.30host81-139-21-30.in-addr.btopenworld.com0
81.139.21.31host81-139-21-31.in-addr.btopenworld.com0
81.139.21.32host81-139-21-32.in-addr.btopenworld.com0
81.139.21.33host81-139-21-33.in-addr.btopenworld.com0
81.139.21.34host81-139-21-34.in-addr.btopenworld.com0
81.139.21.35host81-139-21-35.in-addr.btopenworld.com0
81.139.21.36host81-139-21-36.in-addr.btopenworld.com0
81.139.21.37host81-139-21-37.in-addr.btopenworld.com0
81.139.21.38host81-139-21-38.in-addr.btopenworld.com0
81.139.21.39host81-139-21-39.in-addr.btopenworld.com0
81.139.21.40host81-139-21-40.in-addr.btopenworld.com0
81.139.21.41host81-139-21-41.in-addr.btopenworld.com0
81.139.21.42host81-139-21-42.in-addr.btopenworld.com0
81.139.21.43host81-139-21-43.in-addr.btopenworld.com0
81.139.21.44host81-139-21-44.in-addr.btopenworld.com0
81.139.21.45host81-139-21-45.in-addr.btopenworld.com0
81.139.21.46host81-139-21-46.in-addr.btopenworld.com0
81.139.21.47host81-139-21-47.in-addr.btopenworld.com0
81.139.21.48host81-139-21-48.in-addr.btopenworld.com0
81.139.21.49host81-139-21-49.in-addr.btopenworld.com0
81.139.21.50host81-139-21-50.in-addr.btopenworld.com0
81.139.21.51host81-139-21-51.in-addr.btopenworld.com0
81.139.21.52host81-139-21-52.in-addr.btopenworld.com0
81.139.21.53host81-139-21-53.in-addr.btopenworld.com0
81.139.21.54host81-139-21-54.in-addr.btopenworld.com0
81.139.21.55host81-139-21-55.in-addr.btopenworld.com0
81.139.21.56host81-139-21-56.in-addr.btopenworld.com0
81.139.21.57host81-139-21-57.in-addr.btopenworld.com0
81.139.21.58host81-139-21-58.in-addr.btopenworld.com0
81.139.21.59host81-139-21-59.in-addr.btopenworld.com0
81.139.21.60host81-139-21-60.in-addr.btopenworld.com0
81.139.21.61host81-139-21-61.in-addr.btopenworld.com0
81.139.21.62host81-139-21-62.in-addr.btopenworld.com0
81.139.21.63host81-139-21-63.in-addr.btopenworld.com0
81.139.21.64host81-139-21-64.in-addr.btopenworld.com0
81.139.21.65host81-139-21-65.in-addr.btopenworld.com0
81.139.21.66host81-139-21-66.in-addr.btopenworld.com0
81.139.21.67host81-139-21-67.in-addr.btopenworld.com0
81.139.21.68host81-139-21-68.in-addr.btopenworld.com0
81.139.21.69host81-139-21-69.in-addr.btopenworld.com0
81.139.21.70host81-139-21-70.in-addr.btopenworld.com0
81.139.21.71host81-139-21-71.in-addr.btopenworld.com0
81.139.21.72host81-139-21-72.in-addr.btopenworld.com0
81.139.21.73host81-139-21-73.in-addr.btopenworld.com0
81.139.21.74host81-139-21-74.in-addr.btopenworld.com0
81.139.21.75host81-139-21-75.in-addr.btopenworld.com0
81.139.21.76host81-139-21-76.in-addr.btopenworld.com0
81.139.21.77host81-139-21-77.in-addr.btopenworld.com0
81.139.21.78host81-139-21-78.in-addr.btopenworld.com0
81.139.21.79host81-139-21-79.in-addr.btopenworld.com0
81.139.21.80host81-139-21-80.in-addr.btopenworld.com0
81.139.21.81host81-139-21-81.in-addr.btopenworld.com0
81.139.21.82host81-139-21-82.in-addr.btopenworld.com0
81.139.21.83host81-139-21-83.in-addr.btopenworld.com0
81.139.21.84host81-139-21-84.in-addr.btopenworld.com0
81.139.21.85host81-139-21-85.in-addr.btopenworld.com0
81.139.21.86host81-139-21-86.in-addr.btopenworld.com0
81.139.21.87host81-139-21-87.in-addr.btopenworld.com0
81.139.21.88host81-139-21-88.in-addr.btopenworld.com0
81.139.21.89host81-139-21-89.in-addr.btopenworld.com0
81.139.21.90host81-139-21-90.in-addr.btopenworld.com0
81.139.21.91host81-139-21-91.in-addr.btopenworld.com0
81.139.21.92host81-139-21-92.in-addr.btopenworld.com0
81.139.21.93host81-139-21-93.in-addr.btopenworld.com0
81.139.21.94host81-139-21-94.in-addr.btopenworld.com0
81.139.21.95host81-139-21-95.in-addr.btopenworld.com0
81.139.21.96host81-139-21-96.in-addr.btopenworld.com0
81.139.21.97host81-139-21-97.in-addr.btopenworld.com0
81.139.21.98host81-139-21-98.in-addr.btopenworld.com0
81.139.21.99host81-139-21-99.in-addr.btopenworld.com0
81.139.21.100host81-139-21-100.in-addr.btopenworld.com0
81.139.21.101host81-139-21-101.in-addr.btopenworld.com0
81.139.21.102host81-139-21-102.in-addr.btopenworld.com0
81.139.21.103host81-139-21-103.in-addr.btopenworld.com0
81.139.21.104host81-139-21-104.in-addr.btopenworld.com0
81.139.21.105host81-139-21-105.in-addr.btopenworld.com0
81.139.21.106host81-139-21-106.in-addr.btopenworld.com0
81.139.21.107host81-139-21-107.in-addr.btopenworld.com0
81.139.21.108host81-139-21-108.in-addr.btopenworld.com0
81.139.21.109host81-139-21-109.in-addr.btopenworld.com0
81.139.21.110host81-139-21-110.in-addr.btopenworld.com0
81.139.21.111host81-139-21-111.in-addr.btopenworld.com0
81.139.21.112host81-139-21-112.in-addr.btopenworld.com0
81.139.21.113host81-139-21-113.in-addr.btopenworld.com0
81.139.21.114host81-139-21-114.in-addr.btopenworld.com0
81.139.21.115host81-139-21-115.in-addr.btopenworld.com0
81.139.21.116host81-139-21-116.in-addr.btopenworld.com0
81.139.21.117host81-139-21-117.in-addr.btopenworld.com0
81.139.21.118host81-139-21-118.in-addr.btopenworld.com0
81.139.21.119host81-139-21-119.in-addr.btopenworld.com0
81.139.21.120host81-139-21-120.in-addr.btopenworld.com0
81.139.21.121host81-139-21-121.in-addr.btopenworld.com0
81.139.21.122host81-139-21-122.in-addr.btopenworld.com0
81.139.21.123host81-139-21-123.in-addr.btopenworld.com0
81.139.21.124host81-139-21-124.in-addr.btopenworld.com0
81.139.21.125host81-139-21-125.in-addr.btopenworld.com0
81.139.21.126host81-139-21-126.in-addr.btopenworld.com0
81.139.21.127host81-139-21-127.in-addr.btopenworld.com0
81.139.21.128host81-139-21-128.in-addr.btopenworld.com0
81.139.21.129host81-139-21-129.in-addr.btopenworld.com0
81.139.21.130host81-139-21-130.in-addr.btopenworld.com0
81.139.21.131host81-139-21-131.in-addr.btopenworld.com0
81.139.21.132host81-139-21-132.in-addr.btopenworld.com0
81.139.21.133host81-139-21-133.in-addr.btopenworld.com0
81.139.21.134host81-139-21-134.in-addr.btopenworld.com0
81.139.21.135host81-139-21-135.in-addr.btopenworld.com0
81.139.21.136host81-139-21-136.in-addr.btopenworld.com0
81.139.21.137host81-139-21-137.in-addr.btopenworld.com0
81.139.21.138host81-139-21-138.in-addr.btopenworld.com0
81.139.21.139host81-139-21-139.in-addr.btopenworld.com0
81.139.21.140host81-139-21-140.in-addr.btopenworld.com0
81.139.21.141host81-139-21-141.in-addr.btopenworld.com0
81.139.21.142host81-139-21-142.in-addr.btopenworld.com0
81.139.21.143host81-139-21-143.in-addr.btopenworld.com0
81.139.21.144host81-139-21-144.in-addr.btopenworld.com0
81.139.21.145host81-139-21-145.in-addr.btopenworld.com0
81.139.21.146host81-139-21-146.in-addr.btopenworld.com0
81.139.21.147host81-139-21-147.in-addr.btopenworld.com0
81.139.21.148host81-139-21-148.in-addr.btopenworld.com0
81.139.21.149host81-139-21-149.in-addr.btopenworld.com0
81.139.21.150host81-139-21-150.in-addr.btopenworld.com0
81.139.21.151host81-139-21-151.in-addr.btopenworld.com0
81.139.21.152host81-139-21-152.in-addr.btopenworld.com0
81.139.21.153host81-139-21-153.in-addr.btopenworld.com0
81.139.21.154host81-139-21-154.in-addr.btopenworld.com0
81.139.21.155host81-139-21-155.in-addr.btopenworld.com0
81.139.21.156host81-139-21-156.in-addr.btopenworld.com0
81.139.21.157host81-139-21-157.in-addr.btopenworld.com0
81.139.21.158host81-139-21-158.in-addr.btopenworld.com0
81.139.21.159host81-139-21-159.in-addr.btopenworld.com0
81.139.21.160host81-139-21-160.in-addr.btopenworld.com0
81.139.21.161host81-139-21-161.in-addr.btopenworld.com0
81.139.21.162host81-139-21-162.in-addr.btopenworld.com0
81.139.21.163host81-139-21-163.in-addr.btopenworld.com0
81.139.21.164host81-139-21-164.in-addr.btopenworld.com0
81.139.21.165host81-139-21-165.in-addr.btopenworld.com0
81.139.21.166host81-139-21-166.in-addr.btopenworld.com0
81.139.21.167host81-139-21-167.in-addr.btopenworld.com0
81.139.21.168host81-139-21-168.in-addr.btopenworld.com0
81.139.21.169host81-139-21-169.in-addr.btopenworld.com0
81.139.21.170host81-139-21-170.in-addr.btopenworld.com0
81.139.21.171host81-139-21-171.in-addr.btopenworld.com0
81.139.21.172host81-139-21-172.in-addr.btopenworld.com0
81.139.21.173host81-139-21-173.in-addr.btopenworld.com0
81.139.21.174host81-139-21-174.in-addr.btopenworld.com0
81.139.21.175host81-139-21-175.in-addr.btopenworld.com0
81.139.21.176host81-139-21-176.in-addr.btopenworld.com0
81.139.21.177host81-139-21-177.in-addr.btopenworld.com0
81.139.21.178host81-139-21-178.in-addr.btopenworld.com0
81.139.21.179host81-139-21-179.in-addr.btopenworld.com0
81.139.21.180host81-139-21-180.in-addr.btopenworld.com0
81.139.21.181host81-139-21-181.in-addr.btopenworld.com0
81.139.21.182host81-139-21-182.in-addr.btopenworld.com0
81.139.21.183host81-139-21-183.in-addr.btopenworld.com0
81.139.21.184host81-139-21-184.in-addr.btopenworld.com0
81.139.21.185host81-139-21-185.in-addr.btopenworld.com0
81.139.21.186host81-139-21-186.in-addr.btopenworld.com0
81.139.21.187host81-139-21-187.in-addr.btopenworld.com0
81.139.21.188host81-139-21-188.in-addr.btopenworld.com0
81.139.21.189host81-139-21-189.in-addr.btopenworld.com0
81.139.21.190host81-139-21-190.in-addr.btopenworld.com0
81.139.21.191host81-139-21-191.in-addr.btopenworld.com0
81.139.21.192host81-139-21-192.in-addr.btopenworld.com0
81.139.21.193host81-139-21-193.in-addr.btopenworld.com0
81.139.21.194host81-139-21-194.in-addr.btopenworld.com0
81.139.21.195host81-139-21-195.in-addr.btopenworld.com0
81.139.21.196host81-139-21-196.in-addr.btopenworld.com0
81.139.21.197host81-139-21-197.in-addr.btopenworld.com0
81.139.21.198host81-139-21-198.in-addr.btopenworld.com0
81.139.21.199host81-139-21-199.in-addr.btopenworld.com0
81.139.21.200host81-139-21-200.in-addr.btopenworld.com0
81.139.21.201host81-139-21-201.in-addr.btopenworld.com0
81.139.21.202host81-139-21-202.in-addr.btopenworld.com0
81.139.21.203host81-139-21-203.in-addr.btopenworld.com0
81.139.21.204host81-139-21-204.in-addr.btopenworld.com0
81.139.21.205host81-139-21-205.in-addr.btopenworld.com0
81.139.21.206host81-139-21-206.in-addr.btopenworld.com0
81.139.21.207host81-139-21-207.in-addr.btopenworld.com0
81.139.21.208host81-139-21-208.in-addr.btopenworld.com0
81.139.21.209host81-139-21-209.in-addr.btopenworld.com0
81.139.21.210host81-139-21-210.in-addr.btopenworld.com0
81.139.21.211host81-139-21-211.in-addr.btopenworld.com0
81.139.21.212host81-139-21-212.in-addr.btopenworld.com0
81.139.21.213host81-139-21-213.in-addr.btopenworld.com0
81.139.21.214host81-139-21-214.in-addr.btopenworld.com0
81.139.21.215host81-139-21-215.in-addr.btopenworld.com0
81.139.21.216host81-139-21-216.in-addr.btopenworld.com0
81.139.21.217host81-139-21-217.in-addr.btopenworld.com0
81.139.21.218host81-139-21-218.in-addr.btopenworld.com0
81.139.21.219host81-139-21-219.in-addr.btopenworld.com0
81.139.21.220host81-139-21-220.in-addr.btopenworld.com0
81.139.21.221host81-139-21-221.in-addr.btopenworld.com0
81.139.21.222host81-139-21-222.in-addr.btopenworld.com0
81.139.21.223host81-139-21-223.in-addr.btopenworld.com0
81.139.21.224host81-139-21-224.in-addr.btopenworld.com0
81.139.21.225host81-139-21-225.in-addr.btopenworld.com0
81.139.21.226host81-139-21-226.in-addr.btopenworld.com0
81.139.21.227host81-139-21-227.in-addr.btopenworld.com0
81.139.21.228host81-139-21-228.in-addr.btopenworld.com0
81.139.21.229host81-139-21-229.in-addr.btopenworld.com0
81.139.21.230host81-139-21-230.in-addr.btopenworld.com0
81.139.21.231host81-139-21-231.in-addr.btopenworld.com0
81.139.21.232host81-139-21-232.in-addr.btopenworld.com0
81.139.21.233host81-139-21-233.in-addr.btopenworld.com0
81.139.21.234host81-139-21-234.in-addr.btopenworld.com0
81.139.21.235host81-139-21-235.in-addr.btopenworld.com0
81.139.21.236host81-139-21-236.in-addr.btopenworld.com0
81.139.21.237host81-139-21-237.in-addr.btopenworld.com0
81.139.21.238host81-139-21-238.in-addr.btopenworld.com0
81.139.21.239host81-139-21-239.in-addr.btopenworld.com0
81.139.21.240host81-139-21-240.in-addr.btopenworld.com0
81.139.21.241host81-139-21-241.in-addr.btopenworld.com0
81.139.21.242host81-139-21-242.in-addr.btopenworld.com0
81.139.21.243host81-139-21-243.in-addr.btopenworld.com0
81.139.21.244host81-139-21-244.in-addr.btopenworld.com0
81.139.21.245host81-139-21-245.in-addr.btopenworld.com0
81.139.21.246host81-139-21-246.in-addr.btopenworld.com0
81.139.21.247host81-139-21-247.in-addr.btopenworld.com0
81.139.21.248host81-139-21-248.in-addr.btopenworld.com0
81.139.21.249host81-139-21-249.in-addr.btopenworld.com0
81.139.21.250host81-139-21-250.in-addr.btopenworld.com0
81.139.21.251host81-139-21-251.in-addr.btopenworld.com0
81.139.21.252host81-139-21-252.in-addr.btopenworld.com0
81.139.21.253host81-139-21-253.in-addr.btopenworld.com0
81.139.21.254host81-139-21-254.in-addr.btopenworld.com0
81.139.21.255host81-139-21-255.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 -m12 81.139.21.34
traceroute to 81.139.21.34 (81.139.21.34): 12 hops max, 52 byte packets
5 [] 80.81.193.84 56.798 ms
6 [AS5400] 166.49.195.102 70.155 ms
7 *
8 [AS2856] 62.172.103.69 80.044 ms
9 [AS2856] 217.32.26.113 66.835 ms
10 *
11 *
12 *
Measurement taken from  IPinfo ProbeNet in Murmansk, RU
On