Summary
| ASN | AS3269 Telecom Italia S.p.A. |
| BGP | 81.121.0.0/16 |
| IPs with RDNS | 256 |
| Hosted Domains | 0 |
| Pingable IPs | 0 |
| Router IPs | 0 |
| 81.121.154.0 | host-81-121-154-0.business.telecomitalia.it | 0 |  | |
| 81.121.154.1 | host-81-121-154-1.business.telecomitalia.it | 0 | | |
| 81.121.154.2 | host-81-121-154-2.business.telecomitalia.it | 0 | | |
| 81.121.154.3 | host-81-121-154-3.business.telecomitalia.it | 0 | | |
| 81.121.154.4 | host-81-121-154-4.business.telecomitalia.it | 0 | | |
| 81.121.154.5 | host-81-121-154-5.business.telecomitalia.it | 0 | | |
| 81.121.154.6 | host-81-121-154-6.business.telecomitalia.it | 0 | | |
| 81.121.154.7 | host-81-121-154-7.business.telecomitalia.it | 0 | | |
| 81.121.154.8 | host-81-121-154-8.business.telecomitalia.it | 0 | | |
| 81.121.154.9 | host-81-121-154-9.business.telecomitalia.it | 0 | | |
| 81.121.154.10 | host-81-121-154-10.business.telecomitalia.it | 0 | | |
| 81.121.154.11 | host-81-121-154-11.business.telecomitalia.it | 0 | | |
| 81.121.154.12 | host-81-121-154-12.business.telecomitalia.it | 0 | | |
| 81.121.154.13 | host-81-121-154-13.business.telecomitalia.it | 0 | | |
| 81.121.154.14 | host-81-121-154-14.business.telecomitalia.it | 0 | | |
| 81.121.154.15 | host-81-121-154-15.business.telecomitalia.it | 0 | | |
| 81.121.154.16 | host-81-121-154-16.business.telecomitalia.it | 0 | | |
| 81.121.154.17 | host-81-121-154-17.business.telecomitalia.it | 0 | | |
| 81.121.154.18 | host-81-121-154-18.business.telecomitalia.it | 0 | | |
| 81.121.154.19 | host-81-121-154-19.business.telecomitalia.it | 0 | | |
| 81.121.154.20 | host-81-121-154-20.business.telecomitalia.it | 0 | | |
| 81.121.154.21 | host-81-121-154-21.business.telecomitalia.it | 0 | | |
| 81.121.154.22 | host-81-121-154-22.business.telecomitalia.it | 0 | | |
| 81.121.154.23 | host-81-121-154-23.business.telecomitalia.it | 0 | | |
| 81.121.154.24 | host-81-121-154-24.business.telecomitalia.it | 0 | | |
| 81.121.154.25 | host-81-121-154-25.business.telecomitalia.it | 0 | | |
| 81.121.154.26 | host-81-121-154-26.business.telecomitalia.it | 0 | | |
| 81.121.154.27 | host-81-121-154-27.business.telecomitalia.it | 0 | | |
| 81.121.154.28 | host-81-121-154-28.business.telecomitalia.it | 0 | | |
| 81.121.154.29 | host-81-121-154-29.business.telecomitalia.it | 0 | | |
| 81.121.154.30 | host-81-121-154-30.business.telecomitalia.it | 0 | | |
| 81.121.154.31 | host-81-121-154-31.business.telecomitalia.it | 0 | | |
| 81.121.154.32 | host-81-121-154-32.business.telecomitalia.it | 0 | | |
| 81.121.154.33 | host-81-121-154-33.business.telecomitalia.it | 0 | | |
| 81.121.154.34 | host-81-121-154-34.business.telecomitalia.it | 0 | | |
| 81.121.154.35 | host-81-121-154-35.business.telecomitalia.it | 0 | | |
| 81.121.154.36 | host-81-121-154-36.business.telecomitalia.it | 0 | | |
| 81.121.154.37 | host-81-121-154-37.business.telecomitalia.it | 0 | | |
| 81.121.154.38 | host-81-121-154-38.business.telecomitalia.it | 0 | | |
| 81.121.154.39 | host-81-121-154-39.business.telecomitalia.it | 0 | | |
| 81.121.154.40 | host-81-121-154-40.business.telecomitalia.it | 0 | | |
| 81.121.154.41 | host-81-121-154-41.business.telecomitalia.it | 0 | | |
| 81.121.154.42 | host-81-121-154-42.business.telecomitalia.it | 0 | | |
| 81.121.154.43 | host-81-121-154-43.business.telecomitalia.it | 0 | | |
| 81.121.154.44 | host-81-121-154-44.business.telecomitalia.it | 0 | | |
| 81.121.154.45 | host-81-121-154-45.business.telecomitalia.it | 0 | | |
| 81.121.154.46 | host-81-121-154-46.business.telecomitalia.it | 0 | | |
| 81.121.154.47 | host-81-121-154-47.business.telecomitalia.it | 0 | | |
| 81.121.154.48 | host-81-121-154-48.business.telecomitalia.it | 0 | | |
| 81.121.154.49 | host-81-121-154-49.business.telecomitalia.it | 0 | | |
| 81.121.154.50 | host-81-121-154-50.business.telecomitalia.it | 0 | | |
| 81.121.154.51 | host-81-121-154-51.business.telecomitalia.it | 0 | | |
| 81.121.154.52 | host-81-121-154-52.business.telecomitalia.it | 0 | | |
| 81.121.154.53 | host-81-121-154-53.business.telecomitalia.it | 0 | | |
| 81.121.154.54 | host-81-121-154-54.business.telecomitalia.it | 0 | | |
| 81.121.154.55 | host-81-121-154-55.business.telecomitalia.it | 0 | | |
| 81.121.154.56 | host-81-121-154-56.business.telecomitalia.it | 0 | | |
| 81.121.154.57 | host-81-121-154-57.business.telecomitalia.it | 0 | | |
| 81.121.154.58 | host-81-121-154-58.business.telecomitalia.it | 0 | | |
| 81.121.154.59 | host-81-121-154-59.business.telecomitalia.it | 0 | | |
| 81.121.154.60 | host-81-121-154-60.business.telecomitalia.it | 0 | | |
| 81.121.154.61 | host-81-121-154-61.business.telecomitalia.it | 0 | | |
| 81.121.154.62 | host-81-121-154-62.business.telecomitalia.it | 0 | | |
| 81.121.154.63 | host-81-121-154-63.business.telecomitalia.it | 0 | | |
| 81.121.154.64 | host-81-121-154-64.business.telecomitalia.it | 0 | | |
| 81.121.154.65 | host-81-121-154-65.business.telecomitalia.it | 0 | | |
| 81.121.154.66 | host-81-121-154-66.business.telecomitalia.it | 0 | | |
| 81.121.154.67 | host-81-121-154-67.business.telecomitalia.it | 0 | | |
| 81.121.154.68 | host-81-121-154-68.business.telecomitalia.it | 0 | | |
| 81.121.154.69 | host-81-121-154-69.business.telecomitalia.it | 0 | | |
| 81.121.154.70 | host-81-121-154-70.business.telecomitalia.it | 0 | | |
| 81.121.154.71 | host-81-121-154-71.business.telecomitalia.it | 0 | | |
| 81.121.154.72 | host-81-121-154-72.business.telecomitalia.it | 0 | | |
| 81.121.154.73 | host-81-121-154-73.business.telecomitalia.it | 0 | | |
| 81.121.154.74 | host-81-121-154-74.business.telecomitalia.it | 0 | | |
| 81.121.154.75 | host-81-121-154-75.business.telecomitalia.it | 0 | | |
| 81.121.154.76 | host-81-121-154-76.business.telecomitalia.it | 0 | | |
| 81.121.154.77 | host-81-121-154-77.business.telecomitalia.it | 0 | | |
| 81.121.154.78 | host-81-121-154-78.business.telecomitalia.it | 0 | | |
| 81.121.154.79 | host-81-121-154-79.business.telecomitalia.it | 0 | | |
| 81.121.154.80 | host-81-121-154-80.business.telecomitalia.it | 0 | | |
| 81.121.154.81 | host-81-121-154-81.business.telecomitalia.it | 0 | | |
| 81.121.154.82 | host-81-121-154-82.business.telecomitalia.it | 0 | | |
| 81.121.154.83 | host-81-121-154-83.business.telecomitalia.it | 0 | | |
| 81.121.154.84 | host-81-121-154-84.business.telecomitalia.it | 0 | | |
| 81.121.154.85 | host-81-121-154-85.business.telecomitalia.it | 0 | | |
| 81.121.154.86 | host-81-121-154-86.business.telecomitalia.it | 0 | | |
| 81.121.154.87 | host-81-121-154-87.business.telecomitalia.it | 0 | | |
| 81.121.154.88 | host-81-121-154-88.business.telecomitalia.it | 0 | | |
| 81.121.154.89 | host-81-121-154-89.business.telecomitalia.it | 0 | | |
| 81.121.154.90 | host-81-121-154-90.business.telecomitalia.it | 0 | | |
| 81.121.154.91 | host-81-121-154-91.business.telecomitalia.it | 0 | | |
| 81.121.154.92 | host-81-121-154-92.business.telecomitalia.it | 0 | | |
| 81.121.154.93 | host-81-121-154-93.business.telecomitalia.it | 0 | | |
| 81.121.154.94 | host-81-121-154-94.business.telecomitalia.it | 0 | | |
| 81.121.154.95 | host-81-121-154-95.business.telecomitalia.it | 0 | | |
| 81.121.154.96 | host-81-121-154-96.business.telecomitalia.it | 0 | | |
| 81.121.154.97 | host-81-121-154-97.business.telecomitalia.it | 0 | | |
| 81.121.154.98 | host-81-121-154-98.business.telecomitalia.it | 0 | | |
| 81.121.154.99 | host-81-121-154-99.business.telecomitalia.it | 0 | | |
| 81.121.154.100 | host-81-121-154-100.business.telecomitalia.it | 0 | | |
| 81.121.154.101 | host-81-121-154-101.business.telecomitalia.it | 0 | | |
| 81.121.154.102 | host-81-121-154-102.business.telecomitalia.it | 0 | | |
| 81.121.154.103 | host-81-121-154-103.business.telecomitalia.it | 0 | | |
| 81.121.154.104 | host-81-121-154-104.business.telecomitalia.it | 0 | | |
| 81.121.154.105 | host-81-121-154-105.business.telecomitalia.it | 0 | | |
| 81.121.154.106 | host-81-121-154-106.business.telecomitalia.it | 0 | | |
| 81.121.154.107 | host-81-121-154-107.business.telecomitalia.it | 0 | | |
| 81.121.154.108 | host-81-121-154-108.business.telecomitalia.it | 0 | | |
| 81.121.154.109 | host-81-121-154-109.business.telecomitalia.it | 0 | | |
| 81.121.154.110 | host-81-121-154-110.business.telecomitalia.it | 0 | | |
| 81.121.154.111 | host-81-121-154-111.business.telecomitalia.it | 0 | | |
| 81.121.154.112 | host-81-121-154-112.business.telecomitalia.it | 0 | | |
| 81.121.154.113 | host-81-121-154-113.business.telecomitalia.it | 0 | | |
| 81.121.154.114 | host-81-121-154-114.business.telecomitalia.it | 0 | | |
| 81.121.154.115 | host-81-121-154-115.business.telecomitalia.it | 0 | | |
| 81.121.154.116 | host-81-121-154-116.business.telecomitalia.it | 0 | | |
| 81.121.154.117 | host-81-121-154-117.business.telecomitalia.it | 0 | | |
| 81.121.154.118 | host-81-121-154-118.business.telecomitalia.it | 0 | | |
| 81.121.154.119 | host-81-121-154-119.business.telecomitalia.it | 0 | | |
| 81.121.154.120 | host-81-121-154-120.business.telecomitalia.it | 0 | | |
| 81.121.154.121 | host-81-121-154-121.business.telecomitalia.it | 0 | | |
| 81.121.154.122 | host-81-121-154-122.business.telecomitalia.it | 0 | | |
| 81.121.154.123 | host-81-121-154-123.business.telecomitalia.it | 0 | | |
| 81.121.154.124 | host-81-121-154-124.business.telecomitalia.it | 0 | | |
| 81.121.154.125 | host-81-121-154-125.business.telecomitalia.it | 0 | | |
| 81.121.154.126 | host-81-121-154-126.business.telecomitalia.it | 0 | | |
| 81.121.154.127 | host-81-121-154-127.business.telecomitalia.it | 0 | | |
| 81.121.154.128 | host-81-121-154-128.business.telecomitalia.it | 0 | | |
| 81.121.154.129 | host-81-121-154-129.business.telecomitalia.it | 0 | | |
| 81.121.154.130 | host-81-121-154-130.business.telecomitalia.it | 0 | | |
| 81.121.154.131 | host-81-121-154-131.business.telecomitalia.it | 0 | | |
| 81.121.154.132 | host-81-121-154-132.business.telecomitalia.it | 0 | | |
| 81.121.154.133 | host-81-121-154-133.business.telecomitalia.it | 0 | | |
| 81.121.154.134 | host-81-121-154-134.business.telecomitalia.it | 0 | | |
| 81.121.154.135 | host-81-121-154-135.business.telecomitalia.it | 0 | | |
| 81.121.154.136 | host-81-121-154-136.business.telecomitalia.it | 0 | | |
| 81.121.154.137 | host-81-121-154-137.business.telecomitalia.it | 0 | | |
| 81.121.154.138 | host-81-121-154-138.business.telecomitalia.it | 0 | | |
| 81.121.154.139 | host-81-121-154-139.business.telecomitalia.it | 0 | | |
| 81.121.154.140 | host-81-121-154-140.business.telecomitalia.it | 0 | | |
| 81.121.154.141 | host-81-121-154-141.business.telecomitalia.it | 0 | | |
| 81.121.154.142 | host-81-121-154-142.business.telecomitalia.it | 0 | | |
| 81.121.154.143 | host-81-121-154-143.business.telecomitalia.it | 0 | | |
| 81.121.154.144 | host-81-121-154-144.business.telecomitalia.it | 0 | | |
| 81.121.154.145 | host-81-121-154-145.business.telecomitalia.it | 0 | | |
| 81.121.154.146 | host-81-121-154-146.business.telecomitalia.it | 0 | | |
| 81.121.154.147 | host-81-121-154-147.business.telecomitalia.it | 0 | | |
| 81.121.154.148 | host-81-121-154-148.business.telecomitalia.it | 0 | | |
| 81.121.154.149 | host-81-121-154-149.business.telecomitalia.it | 0 | | |
| 81.121.154.150 | host-81-121-154-150.business.telecomitalia.it | 0 | | |
| 81.121.154.151 | host-81-121-154-151.business.telecomitalia.it | 0 | | |
| 81.121.154.152 | host-81-121-154-152.business.telecomitalia.it | 0 | | |
| 81.121.154.153 | host-81-121-154-153.business.telecomitalia.it | 0 | | |
| 81.121.154.154 | host-81-121-154-154.business.telecomitalia.it | 0 | | |
| 81.121.154.155 | host-81-121-154-155.business.telecomitalia.it | 0 | | |
| 81.121.154.156 | host-81-121-154-156.business.telecomitalia.it | 0 | | |
| 81.121.154.157 | host-81-121-154-157.business.telecomitalia.it | 0 | | |
| 81.121.154.158 | host-81-121-154-158.business.telecomitalia.it | 0 | | |
| 81.121.154.159 | host-81-121-154-159.business.telecomitalia.it | 0 | | |
| 81.121.154.160 | host-81-121-154-160.business.telecomitalia.it | 0 | | |
| 81.121.154.161 | host-81-121-154-161.business.telecomitalia.it | 0 | | |
| 81.121.154.162 | host-81-121-154-162.business.telecomitalia.it | 0 | | |
| 81.121.154.163 | host-81-121-154-163.business.telecomitalia.it | 0 | | |
| 81.121.154.164 | host-81-121-154-164.business.telecomitalia.it | 0 | | |
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| 81.121.154.169 | host-81-121-154-169.business.telecomitalia.it | 0 | | |
| 81.121.154.170 | host-81-121-154-170.business.telecomitalia.it | 0 | | |
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| 81.121.154.174 | host-81-121-154-174.business.telecomitalia.it | 0 | | |
| 81.121.154.175 | host-81-121-154-175.business.telecomitalia.it | 0 | | |
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| 81.121.154.236 | host-81-121-154-236.business.telecomitalia.it | 0 | | |
| 81.121.154.237 | host-81-121-154-237.business.telecomitalia.it | 0 | | |
| 81.121.154.238 | host-81-121-154-238.business.telecomitalia.it | 0 | | |
| 81.121.154.239 | host-81-121-154-239.business.telecomitalia.it | 0 | | |
| 81.121.154.240 | host-81-121-154-240.business.telecomitalia.it | 0 | | |
| 81.121.154.241 | host-81-121-154-241.business.telecomitalia.it | 0 | | |
| 81.121.154.242 | host-81-121-154-242.business.telecomitalia.it | 0 | | |
| 81.121.154.243 | host-81-121-154-243.business.telecomitalia.it | 0 | | |
| 81.121.154.244 | host-81-121-154-244.business.telecomitalia.it | 0 | | |
| 81.121.154.245 | host-81-121-154-245.business.telecomitalia.it | 0 | | |
| 81.121.154.246 | host-81-121-154-246.business.telecomitalia.it | 0 | | |
| 81.121.154.247 | host-81-121-154-247.business.telecomitalia.it | 0 | | |
| 81.121.154.248 | host-81-121-154-248.business.telecomitalia.it | 0 | | |
| 81.121.154.249 | host-81-121-154-249.business.telecomitalia.it | 0 | | |
| 81.121.154.250 | host-81-121-154-250.business.telecomitalia.it | 0 | | |
| 81.121.154.251 | host-81-121-154-251.business.telecomitalia.it | 0 | | |
| 81.121.154.252 | host-81-121-154-252.business.telecomitalia.it | 0 | | |
| 81.121.154.253 | host-81-121-154-253.business.telecomitalia.it | 0 | | |
| 81.121.154.254 | host-81-121-154-254.business.telecomitalia.it | 0 | | |
| 81.121.154.255 | host-81-121-154-255.business.telecomitalia.it | 0 | | |
Traceroute
Below is a recent traceroute taken from the IPinfo ProbeNet to an IP in this range. Learn more.
$
traceroute -a -n -q1 -f3 -m7 81.121.154.188
traceroute to 81.121.154.188 (81.121.154.188): 7 hops max, 52 byte packets
5 *
6 *
7 *
Measurement taken from 
IPinfo ProbeNet in Madrid, ES
IPinfo ProbeNet in Madrid, ESOn