Summary
| ASN | AS26615 TIM S/A |
| BGP | 189.77.24.0/24 |
| IPs with RDNS | 256 |
| Hosted Domains | 0 |
| Pingable IPs | 29 |
| Router IPs | 0 |
| 189.77.24.0 | 189-77-24-0.ded.intelignet.com.br | 0 |  | |
| 189.77.24.1 | 189-77-24-1.ded.intelignet.com.br | 0 | | |
| 189.77.24.2 | 189-77-24-2.ded.intelignet.com.br | 0 | | |
| 189.77.24.3 | 189-77-24-3.ded.intelignet.com.br | 0 | | |
| 189.77.24.4 | 189-77-24-4.ded.intelignet.com.br | 0 | | |
| 189.77.24.5 | 189-77-24-5.ded.intelignet.com.br | 0 | | |
| 189.77.24.6 | 189-77-24-6.ded.intelignet.com.br | 0 | | |
| 189.77.24.7 | 189-77-24-7.ded.intelignet.com.br | 0 | | |
| 189.77.24.8 | 189-77-24-8.ded.intelignet.com.br | 0 | | |
| 189.77.24.9 | 189-77-24-9.ded.intelignet.com.br | 0 | | |
| 189.77.24.10 | 189-77-24-10.ded.intelignet.com.br | 0 | | |
| 189.77.24.11 | 189-77-24-11.ded.intelignet.com.br | 0 | | |
| 189.77.24.12 | 189-77-24-12.ded.intelignet.com.br | 0 | | |
| 189.77.24.13 | 189-77-24-13.ded.intelignet.com.br | 0 | | |
| 189.77.24.14 | 189-77-24-14.ded.intelignet.com.br | 0 | | |
| 189.77.24.15 | 189-77-24-15.ded.intelignet.com.br | 0 | | |
| 189.77.24.16 | 189-77-24-16.ded.intelignet.com.br | 0 | | |
| 189.77.24.17 | 189-77-24-17.ded.intelignet.com.br | 0 | | |
| 189.77.24.18 | 189-77-24-18.ded.intelignet.com.br | 0 | | |
| 189.77.24.19 | 189-77-24-19.ded.intelignet.com.br | 0 | | |
| 189.77.24.20 | 189-77-24-20.ded.intelignet.com.br | 0 | | |
| 189.77.24.21 | 189-77-24-21.ded.intelignet.com.br | 0 | | |
| 189.77.24.22 | 189-77-24-22.ded.intelignet.com.br | 0 | | |
| 189.77.24.23 | 189-77-24-23.ded.intelignet.com.br | 0 | | |
| 189.77.24.24 | 189-77-24-24.ded.intelignet.com.br | 0 | | |
| 189.77.24.25 | 189-77-24-25.ded.intelignet.com.br | 0 | | |
| 189.77.24.26 | 189-77-24-26.ded.intelignet.com.br | 0 | | |
| 189.77.24.27 | 189-77-24-27.ded.intelignet.com.br | 0 | | |
| 189.77.24.28 | 189-77-24-28.ded.intelignet.com.br | 0 | | |
| 189.77.24.29 | 189-77-24-29.ded.intelignet.com.br | 0 |  | |
| 189.77.24.30 | 189-77-24-30.ded.intelignet.com.br | 0 | | |
| 189.77.24.31 | 189-77-24-31.ded.intelignet.com.br | 0 | | |
| 189.77.24.32 | 189-77-24-32.ded.intelignet.com.br | 0 | | |
| 189.77.24.33 | 189-77-24-33.ded.intelignet.com.br | 0 | | |
| 189.77.24.34 | 189-77-24-34.ded.intelignet.com.br | 0 | | |
| 189.77.24.35 | 189-77-24-35.ded.intelignet.com.br | 0 | | |
| 189.77.24.36 | 189-77-24-36.ded.intelignet.com.br | 0 | | |
| 189.77.24.37 | 189-77-24-37.ded.intelignet.com.br | 0 | | |
| 189.77.24.38 | 189-77-24-38.ded.intelignet.com.br | 0 | | |
| 189.77.24.39 | 189-77-24-39.ded.intelignet.com.br | 0 | | |
| 189.77.24.40 | 189-77-24-40.ded.intelignet.com.br | 0 | | |
| 189.77.24.41 | 189-77-24-41.ded.intelignet.com.br | 0 | | |
| 189.77.24.42 | 189-77-24-42.ded.intelignet.com.br | 0 | | |
| 189.77.24.43 | 189-77-24-43.ded.intelignet.com.br | 0 | | |
| 189.77.24.44 | 189-77-24-44.ded.intelignet.com.br | 0 | | |
| 189.77.24.45 | 189-77-24-45.ded.intelignet.com.br | 0 | | |
| 189.77.24.46 | 189-77-24-46.ded.intelignet.com.br | 0 | | |
| 189.77.24.47 | 189-77-24-47.ded.intelignet.com.br | 0 | | |
| 189.77.24.48 | 189-77-24-48.ded.intelignet.com.br | 0 | | |
| 189.77.24.49 | 189-77-24-49.ded.intelignet.com.br | 0 | | |
| 189.77.24.50 | 189-77-24-50.ded.intelignet.com.br | 0 | | |
| 189.77.24.51 | 189-77-24-51.ded.intelignet.com.br | 0 | | |
| 189.77.24.52 | 189-77-24-52.ded.intelignet.com.br | 0 | | |
| 189.77.24.53 | 189-77-24-53.ded.intelignet.com.br | 0 | | |
| 189.77.24.54 | 189-77-24-54.ded.intelignet.com.br | 0 | | |
| 189.77.24.55 | 189-77-24-55.ded.intelignet.com.br | 0 | | |
| 189.77.24.56 | 189-77-24-56.ded.intelignet.com.br | 0 | | |
| 189.77.24.57 | 189-77-24-57.ded.intelignet.com.br | 0 | | |
| 189.77.24.58 | 189-77-24-58.ded.intelignet.com.br | 0 | | |
| 189.77.24.59 | 189-77-24-59.ded.intelignet.com.br | 0 | | |
| 189.77.24.60 | 189-77-24-60.ded.intelignet.com.br | 0 | | |
| 189.77.24.61 | 189-77-24-61.ded.intelignet.com.br | 0 | | |
| 189.77.24.62 | 189-77-24-62.ded.intelignet.com.br | 0 | | |
| 189.77.24.63 | 189-77-24-63.ded.intelignet.com.br | 0 | | |
| 189.77.24.64 | 189-77-24-64.ded.intelignet.com.br | 0 | | |
| 189.77.24.65 | 189-77-24-65.ded.intelignet.com.br | 0 | | |
| 189.77.24.66 | 189-77-24-66.ded.intelignet.com.br | 0 | | |
| 189.77.24.67 | 189-77-24-67.ded.intelignet.com.br | 0 | | |
| 189.77.24.68 | 189-77-24-68.ded.intelignet.com.br | 0 | | |
| 189.77.24.69 | 189-77-24-69.ded.intelignet.com.br | 0 | | |
| 189.77.24.70 | 189-77-24-70.ded.intelignet.com.br | 0 | | |
| 189.77.24.71 | 189-77-24-71.ded.intelignet.com.br | 0 | | |
| 189.77.24.72 | 189-77-24-72.ded.intelignet.com.br | 0 | | |
| 189.77.24.73 | 189-77-24-73.ded.intelignet.com.br | 0 | | |
| 189.77.24.74 | 189-77-24-74.ded.intelignet.com.br | 0 | | |
| 189.77.24.75 | 189-77-24-75.ded.intelignet.com.br | 0 | | |
| 189.77.24.76 | 189-77-24-76.ded.intelignet.com.br | 0 | | |
| 189.77.24.77 | 189-77-24-77.ded.intelignet.com.br | 0 | | |
| 189.77.24.78 | 189-77-24-78.ded.intelignet.com.br | 0 | | |
| 189.77.24.79 | 189-77-24-79.ded.intelignet.com.br | 0 | | |
| 189.77.24.80 | 189-77-24-80.ded.intelignet.com.br | 0 | | |
| 189.77.24.81 | 189-77-24-81.ded.intelignet.com.br | 0 | | |
| 189.77.24.82 | 189-77-24-82.ded.intelignet.com.br | 0 | | |
| 189.77.24.83 | 189-77-24-83.ded.intelignet.com.br | 0 | | |
| 189.77.24.84 | 189-77-24-84.ded.intelignet.com.br | 0 | | |
| 189.77.24.85 | 189-77-24-85.ded.intelignet.com.br | 0 | | |
| 189.77.24.86 | 189-77-24-86.ded.intelignet.com.br | 0 | | |
| 189.77.24.87 | 189-77-24-87.ded.intelignet.com.br | 0 | | |
| 189.77.24.88 | 189-77-24-88.ded.intelignet.com.br | 0 | | |
| 189.77.24.89 | 189-77-24-89.ded.intelignet.com.br | 0 | | |
| 189.77.24.90 | 189-77-24-90.ded.intelignet.com.br | 0 | | |
| 189.77.24.91 | 189-77-24-91.ded.intelignet.com.br | 0 | | |
| 189.77.24.92 | 189-77-24-92.ded.intelignet.com.br | 0 | | |
| 189.77.24.93 | 189-77-24-93.ded.intelignet.com.br | 0 | | |
| 189.77.24.94 | 189-77-24-94.ded.intelignet.com.br | 0 | | |
| 189.77.24.95 | 189-77-24-95.ded.intelignet.com.br | 0 | | |
| 189.77.24.96 | 189-77-24-96.ded.intelignet.com.br | 0 | | |
| 189.77.24.97 | 189-77-24-97.ded.intelignet.com.br | 0 | | |
| 189.77.24.98 | 189-77-24-98.ded.intelignet.com.br | 0 | | |
| 189.77.24.99 | 189-77-24-99.ded.intelignet.com.br | 0 | | |
| 189.77.24.100 | 189-77-24-100.ded.intelignet.com.br | 0 | | |
| 189.77.24.101 | 189-77-24-101.ded.intelignet.com.br | 0 | | |
| 189.77.24.102 | 189-77-24-102.ded.intelignet.com.br | 0 | | |
| 189.77.24.103 | 189-77-24-103.ded.intelignet.com.br | 0 | | |
| 189.77.24.104 | 189-77-24-104.ded.intelignet.com.br | 0 | | |
| 189.77.24.105 | 189-77-24-105.ded.intelignet.com.br | 0 | | |
| 189.77.24.106 | 189-77-24-106.ded.intelignet.com.br | 0 | | |
| 189.77.24.107 | 189-77-24-107.ded.intelignet.com.br | 0 | | |
| 189.77.24.108 | 189-77-24-108.ded.intelignet.com.br | 0 | | |
| 189.77.24.109 | 189-77-24-109.ded.intelignet.com.br | 0 | | |
| 189.77.24.110 | 189-77-24-110.ded.intelignet.com.br | 0 | | |
| 189.77.24.111 | 189-77-24-111.ded.intelignet.com.br | 0 | | |
| 189.77.24.112 | 189-77-24-112.ded.intelignet.com.br | 0 | | |
| 189.77.24.113 | 189-77-24-113.ded.intelignet.com.br | 0 | | |
| 189.77.24.114 | 189-77-24-114.ded.intelignet.com.br | 0 | | |
| 189.77.24.115 | 189-77-24-115.ded.intelignet.com.br | 0 | | |
| 189.77.24.116 | 189-77-24-116.ded.intelignet.com.br | 0 | | |
| 189.77.24.117 | 189-77-24-117.ded.intelignet.com.br | 0 | | |
| 189.77.24.118 | 189-77-24-118.ded.intelignet.com.br | 0 | | |
| 189.77.24.119 | 189-77-24-119.ded.intelignet.com.br | 0 | | |
| 189.77.24.120 | 189-77-24-120.ded.intelignet.com.br | 0 | | |
| 189.77.24.121 | 189-77-24-121.ded.intelignet.com.br | 0 | | |
| 189.77.24.122 | 189-77-24-122.ded.intelignet.com.br | 0 | | |
| 189.77.24.123 | 189-77-24-123.ded.intelignet.com.br | 0 | | |
| 189.77.24.124 | 189-77-24-124.ded.intelignet.com.br | 0 | | |
| 189.77.24.125 | 189-77-24-125.ded.intelignet.com.br | 0 | | |
| 189.77.24.126 | 189-77-24-126.ded.intelignet.com.br | 0 | | |
| 189.77.24.127 | 189-77-24-127.ded.intelignet.com.br | 0 | | |
| 189.77.24.128 | 189-77-24-128.ded.intelignet.com.br | 0 | | |
| 189.77.24.129 | 189-77-24-129.ded.intelignet.com.br | 0 | | |
| 189.77.24.130 | 189-77-24-130.ded.intelignet.com.br | 0 | | |
| 189.77.24.131 | 189-77-24-131.ded.intelignet.com.br | 0 | | |
| 189.77.24.132 | 189-77-24-132.ded.intelignet.com.br | 0 | | |
| 189.77.24.133 | 189-77-24-133.ded.intelignet.com.br | 0 | | |
| 189.77.24.134 | 189-77-24-134.ded.intelignet.com.br | 0 | | |
| 189.77.24.135 | 189-77-24-135.ded.intelignet.com.br | 0 | | |
| 189.77.24.136 | 189-77-24-136.ded.intelignet.com.br | 0 | | |
| 189.77.24.137 | 189-77-24-137.ded.intelignet.com.br | 0 | | |
| 189.77.24.138 | 189-77-24-138.ded.intelignet.com.br | 0 | | |
| 189.77.24.139 | 189-77-24-139.ded.intelignet.com.br | 0 | | |
| 189.77.24.140 | 189-77-24-140.ded.intelignet.com.br | 0 | | |
| 189.77.24.141 | 189-77-24-141.ded.intelignet.com.br | 0 | | |
| 189.77.24.142 | 189-77-24-142.ded.intelignet.com.br | 0 | | |
| 189.77.24.143 | 189-77-24-143.ded.intelignet.com.br | 0 | | |
| 189.77.24.144 | 189-77-24-144.ded.intelignet.com.br | 0 | | |
| 189.77.24.145 | 189-77-24-145.ded.intelignet.com.br | 0 | | |
| 189.77.24.146 | 189-77-24-146.ded.intelignet.com.br | 0 | | |
| 189.77.24.147 | 189-77-24-147.ded.intelignet.com.br | 0 | | |
| 189.77.24.148 | 189-77-24-148.ded.intelignet.com.br | 0 | | |
| 189.77.24.149 | 189-77-24-149.ded.intelignet.com.br | 0 | | |
| 189.77.24.150 | 189-77-24-150.ded.intelignet.com.br | 0 | | |
| 189.77.24.151 | 189-77-24-151.ded.intelignet.com.br | 0 | | |
| 189.77.24.152 | 189-77-24-152.ded.intelignet.com.br | 0 | | |
| 189.77.24.153 | 189-77-24-153.ded.intelignet.com.br | 0 | | |
| 189.77.24.154 | 189-77-24-154.ded.intelignet.com.br | 0 | | |
| 189.77.24.155 | 189-77-24-155.ded.intelignet.com.br | 0 | | |
| 189.77.24.156 | 189-77-24-156.ded.intelignet.com.br | 0 | | |
| 189.77.24.157 | 189-77-24-157.ded.intelignet.com.br | 0 | | |
| 189.77.24.158 | 189-77-24-158.ded.intelignet.com.br | 0 | | |
| 189.77.24.159 | 189-77-24-159.ded.intelignet.com.br | 0 | | |
| 189.77.24.160 | 189-77-24-160.ded.intelignet.com.br | 0 | | |
| 189.77.24.161 | 189-77-24-161.ded.intelignet.com.br | 0 | | |
| 189.77.24.162 | 189-77-24-162.ded.intelignet.com.br | 0 | | |
| 189.77.24.163 | 189-77-24-163.ded.intelignet.com.br | 0 | | |
| 189.77.24.164 | 189-77-24-164.ded.intelignet.com.br | 0 | | |
| 189.77.24.165 | 189-77-24-165.ded.intelignet.com.br | 0 | | |
| 189.77.24.166 | 189-77-24-166.ded.intelignet.com.br | 0 | | |
| 189.77.24.167 | 189-77-24-167.ded.intelignet.com.br | 0 | | |
| 189.77.24.168 | 189-77-24-168.ded.intelignet.com.br | 0 | | |
| 189.77.24.169 | 189-77-24-169.ded.intelignet.com.br | 0 | | |
| 189.77.24.170 | 189-77-24-170.ded.intelignet.com.br | 0 | | |
| 189.77.24.171 | 189-77-24-171.ded.intelignet.com.br | 0 | | |
| 189.77.24.172 | 189-77-24-172.ded.intelignet.com.br | 0 | | |
| 189.77.24.173 | 189-77-24-173.ded.intelignet.com.br | 0 | | |
| 189.77.24.174 | 189-77-24-174.ded.intelignet.com.br | 0 | | |
| 189.77.24.175 | 189-77-24-175.ded.intelignet.com.br | 0 | | |
| 189.77.24.176 | 189-77-24-176.ded.intelignet.com.br | 0 | | |
| 189.77.24.177 | 189-77-24-177.ded.intelignet.com.br | 0 | | |
| 189.77.24.178 | 189-77-24-178.ded.intelignet.com.br | 0 | | |
| 189.77.24.179 | 189-77-24-179.ded.intelignet.com.br | 0 | | |
| 189.77.24.180 | 189-77-24-180.ded.intelignet.com.br | 0 | | |
| 189.77.24.181 | 189-77-24-181.ded.intelignet.com.br | 0 | | |
| 189.77.24.182 | 189-77-24-182.ded.intelignet.com.br | 0 | | |
| 189.77.24.183 | 189-77-24-183.ded.intelignet.com.br | 0 | | |
| 189.77.24.184 | 189-77-24-184.ded.intelignet.com.br | 0 | | |
| 189.77.24.185 | 189-77-24-185.ded.intelignet.com.br | 0 | | |
| 189.77.24.186 | 189-77-24-186.ded.intelignet.com.br | 0 | | |
| 189.77.24.187 | 189-77-24-187.ded.intelignet.com.br | 0 | | |
| 189.77.24.188 | 189-77-24-188.ded.intelignet.com.br | 0 | | |
| 189.77.24.189 | 189-77-24-189.ded.intelignet.com.br | 0 | | |
| 189.77.24.190 | 189-77-24-190.ded.intelignet.com.br | 0 | | |
| 189.77.24.191 | 189-77-24-191.ded.intelignet.com.br | 0 | | |
| 189.77.24.192 | 189-77-24-192.ded.intelignet.com.br | 0 | | |
| 189.77.24.193 | 189-77-24-193.ded.intelignet.com.br | 0 | | |
| 189.77.24.194 | 189-77-24-194.ded.intelignet.com.br | 0 | | |
| 189.77.24.195 | 189-77-24-195.ded.intelignet.com.br | 0 | | |
| 189.77.24.196 | 189-77-24-196.ded.intelignet.com.br | 0 | | |
| 189.77.24.197 | 189-77-24-197.ded.intelignet.com.br | 0 | | |
| 189.77.24.198 | 189-77-24-198.ded.intelignet.com.br | 0 | | |
| 189.77.24.199 | 189-77-24-199.ded.intelignet.com.br | 0 | | |
| 189.77.24.200 | 189-77-24-200.ded.intelignet.com.br | 0 | | |
| 189.77.24.201 | 189-77-24-201.ded.intelignet.com.br | 0 | | |
| 189.77.24.202 | 189-77-24-202.ded.intelignet.com.br | 0 | | |
| 189.77.24.203 | 189-77-24-203.ded.intelignet.com.br | 0 | | |
| 189.77.24.204 | 189-77-24-204.ded.intelignet.com.br | 0 | | |
| 189.77.24.205 | 189-77-24-205.ded.intelignet.com.br | 0 | | |
| 189.77.24.206 | 189-77-24-206.ded.intelignet.com.br | 0 | | |
| 189.77.24.207 | 189-77-24-207.ded.intelignet.com.br | 0 | | |
| 189.77.24.208 | 189-77-24-208.ded.intelignet.com.br | 0 | | |
| 189.77.24.209 | 189-77-24-209.ded.intelignet.com.br | 0 | | |
| 189.77.24.210 | 189-77-24-210.ded.intelignet.com.br | 0 | | |
| 189.77.24.211 | 189-77-24-211.ded.intelignet.com.br | 0 | | |
| 189.77.24.212 | 189-77-24-212.ded.intelignet.com.br | 0 | | |
| 189.77.24.213 | 189-77-24-213.ded.intelignet.com.br | 0 | | |
| 189.77.24.214 | 189-77-24-214.ded.intelignet.com.br | 0 | | |
| 189.77.24.215 | 189-77-24-215.ded.intelignet.com.br | 0 | | |
| 189.77.24.216 | 189-77-24-216.ded.intelignet.com.br | 0 | | |
| 189.77.24.217 | 189-77-24-217.ded.intelignet.com.br | 0 | | |
| 189.77.24.218 | 189-77-24-218.ded.intelignet.com.br | 0 | | |
| 189.77.24.219 | 189-77-24-219.ded.intelignet.com.br | 0 | | |
| 189.77.24.220 | 189-77-24-220.ded.intelignet.com.br | 0 | | |
| 189.77.24.221 | 189-77-24-221.ded.intelignet.com.br | 0 | | |
| 189.77.24.222 | 189-77-24-222.ded.intelignet.com.br | 0 | | |
| 189.77.24.223 | 189-77-24-223.ded.intelignet.com.br | 0 | | |
| 189.77.24.224 | 189-77-24-224.ded.intelignet.com.br | 0 | | |
| 189.77.24.225 | 189-77-24-225.ded.intelignet.com.br | 0 | | |
| 189.77.24.226 | 189-77-24-226.ded.intelignet.com.br | 0 | | |
| 189.77.24.227 | 189-77-24-227.ded.intelignet.com.br | 0 | | |
| 189.77.24.228 | 189-77-24-228.ded.intelignet.com.br | 0 | | |
| 189.77.24.229 | 189-77-24-229.ded.intelignet.com.br | 0 | | |
| 189.77.24.230 | 189-77-24-230.ded.intelignet.com.br | 0 | | |
| 189.77.24.231 | 189-77-24-231.ded.intelignet.com.br | 0 | | |
| 189.77.24.232 | 189-77-24-232.ded.intelignet.com.br | 0 | | |
| 189.77.24.233 | 189-77-24-233.ded.intelignet.com.br | 0 | | |
| 189.77.24.234 | 189-77-24-234.ded.intelignet.com.br | 0 | | |
| 189.77.24.235 | 189-77-24-235.ded.intelignet.com.br | 0 | | |
| 189.77.24.236 | 189-77-24-236.ded.intelignet.com.br | 0 | | |
| 189.77.24.237 | 189-77-24-237.ded.intelignet.com.br | 0 | | |
| 189.77.24.238 | 189-77-24-238.ded.intelignet.com.br | 0 | | |
| 189.77.24.239 | 189-77-24-239.ded.intelignet.com.br | 0 | | |
| 189.77.24.240 | 189-77-24-240.ded.intelignet.com.br | 0 | | |
| 189.77.24.241 | 189-77-24-241.ded.intelignet.com.br | 0 | | |
| 189.77.24.242 | 189-77-24-242.ded.intelignet.com.br | 0 | | |
| 189.77.24.243 | 189-77-24-243.ded.intelignet.com.br | 0 | | |
| 189.77.24.244 | 189-77-24-244.ded.intelignet.com.br | 0 | | |
| 189.77.24.245 | 189-77-24-245.ded.intelignet.com.br | 0 | | |
| 189.77.24.246 | 189-77-24-246.ded.intelignet.com.br | 0 | | |
| 189.77.24.247 | 189-77-24-247.ded.intelignet.com.br | 0 | | |
| 189.77.24.248 | 189-77-24-248.ded.intelignet.com.br | 0 | | |
| 189.77.24.249 | 189-77-24-249.ded.intelignet.com.br | 0 | | |
| 189.77.24.250 | 189-77-24-250.ded.intelignet.com.br | 0 | | |
| 189.77.24.251 | 189-77-24-251.ded.intelignet.com.br | 0 | | |
| 189.77.24.252 | 189-77-24-252.ded.intelignet.com.br | 0 | | |
| 189.77.24.253 | 189-77-24-253.ded.intelignet.com.br | 0 | | |
| 189.77.24.254 | 189-77-24-254.ded.intelignet.com.br | 0 | | |
| 189.77.24.255 | 189-77-24-255.ded.intelignet.com.br | 0 | | |
Traceroute
Below is a recent traceroute taken from the IPinfo ProbeNet to an IP in this range. Learn more.
$
traceroute -a -n -q1 189.77.24.164
traceroute to 189.77.24.164 (189.77.24.164): 64 hops max, 52 byte packets
2 *
3 *
4 *
Measurement taken from 
IPinfo ProbeNet in London, GB
IPinfo ProbeNet in London, GBOn