Summary
| ASN | AS6407 Primus Telecommunications Canada Inc. |
| BGP | 108.63.96.0/19 |
| IPs with RDNS | 256 |
| Hosted Domains | 0 |
| Pingable IPs | 19 |
| Router IPs | 0 |
| 108.63.108.0 | host-108-63-9-0.static.tor.primus.ca | 0 |  | |
| 108.63.108.1 | host-108-63-9-1.static.tor.primus.ca | 0 |  | |
| 108.63.108.2 | host-108-63-9-2.static.tor.primus.ca | 0 | | |
| 108.63.108.3 | host-108-63-9-3.static.tor.primus.ca | 0 | | |
| 108.63.108.4 | host-108-63-9-4.static.tor.primus.ca | 0 | | |
| 108.63.108.5 | host-108-63-9-5.static.tor.primus.ca | 0 | | |
| 108.63.108.6 | host-108-63-9-6.static.tor.primus.ca | 0 | | |
| 108.63.108.7 | host-108-63-9-7.static.tor.primus.ca | 0 | | |
| 108.63.108.8 | host-108-63-9-8.static.tor.primus.ca | 0 | | |
| 108.63.108.9 | host-108-63-9-9.static.tor.primus.ca | 0 | | |
| 108.63.108.10 | host-108-63-9-10.static.tor.primus.ca | 0 | | |
| 108.63.108.11 | host-108-63-9-11.static.tor.primus.ca | 0 | | |
| 108.63.108.12 | host-108-63-9-12.static.tor.primus.ca | 0 | | |
| 108.63.108.13 | host-108-63-9-13.static.tor.primus.ca | 0 | | |
| 108.63.108.14 | host-108-63-9-14.static.tor.primus.ca | 0 | | |
| 108.63.108.15 | host-108-63-9-15.static.tor.primus.ca | 0 | | |
| 108.63.108.16 | host-108-63-9-16.static.tor.primus.ca | 0 | | |
| 108.63.108.17 | host-108-63-9-17.static.tor.primus.ca | 0 | | |
| 108.63.108.18 | host-108-63-9-18.static.tor.primus.ca | 0 | | |
| 108.63.108.19 | host-108-63-9-19.static.tor.primus.ca | 0 | | |
| 108.63.108.20 | host-108-63-9-20.static.tor.primus.ca | 0 | | |
| 108.63.108.21 | host-108-63-9-21.static.tor.primus.ca | 0 | | |
| 108.63.108.22 | host-108-63-9-22.static.tor.primus.ca | 0 | | |
| 108.63.108.23 | host-108-63-9-23.static.tor.primus.ca | 0 | | |
| 108.63.108.24 | host-108-63-9-24.static.tor.primus.ca | 0 | | |
| 108.63.108.25 | host-108-63-9-25.static.tor.primus.ca | 0 | | |
| 108.63.108.26 | host-108-63-9-26.static.tor.primus.ca | 0 | | |
| 108.63.108.27 | host-108-63-9-27.static.tor.primus.ca | 0 | | |
| 108.63.108.28 | host-108-63-9-28.static.tor.primus.ca | 0 | | |
| 108.63.108.29 | host-108-63-9-29.static.tor.primus.ca | 0 | | |
| 108.63.108.30 | host-108-63-9-30.static.tor.primus.ca | 0 | | |
| 108.63.108.31 | host-108-63-9-31.static.tor.primus.ca | 0 | | |
| 108.63.108.32 | host-108-63-9-32.static.tor.primus.ca | 0 | | |
| 108.63.108.33 | host-108-63-9-33.static.tor.primus.ca | 0 | | |
| 108.63.108.34 | host-108-63-9-34.static.tor.primus.ca | 0 | | |
| 108.63.108.35 | host-108-63-9-35.static.tor.primus.ca | 0 | | |
| 108.63.108.36 | host-108-63-9-36.static.tor.primus.ca | 0 | | |
| 108.63.108.37 | host-108-63-9-37.static.tor.primus.ca | 0 | | |
| 108.63.108.38 | host-108-63-9-38.static.tor.primus.ca | 0 | | |
| 108.63.108.39 | host-108-63-9-39.static.tor.primus.ca | 0 | | |
| 108.63.108.40 | host-108-63-9-40.static.tor.primus.ca | 0 | | |
| 108.63.108.41 | host-108-63-9-41.static.tor.primus.ca | 0 | | |
| 108.63.108.42 | host-108-63-9-42.static.tor.primus.ca | 0 | | |
| 108.63.108.43 | host-108-63-9-43.static.tor.primus.ca | 0 | | |
| 108.63.108.44 | host-108-63-9-44.static.tor.primus.ca | 0 | | |
| 108.63.108.45 | host-108-63-9-45.static.tor.primus.ca | 0 | | |
| 108.63.108.46 | host-108-63-9-46.static.tor.primus.ca | 0 | | |
| 108.63.108.47 | host-108-63-9-47.static.tor.primus.ca | 0 | | |
| 108.63.108.48 | host-108-63-9-48.static.tor.primus.ca | 0 | | |
| 108.63.108.49 | host-108-63-9-49.static.tor.primus.ca | 0 | | |
| 108.63.108.50 | host-108-63-9-50.static.tor.primus.ca | 0 | | |
| 108.63.108.51 | host-108-63-9-51.static.tor.primus.ca | 0 | | |
| 108.63.108.52 | host-108-63-9-52.static.tor.primus.ca | 0 | | |
| 108.63.108.53 | host-108-63-9-53.static.tor.primus.ca | 0 | | |
| 108.63.108.54 | host-108-63-9-54.static.tor.primus.ca | 0 | | |
| 108.63.108.55 | host-108-63-9-55.static.tor.primus.ca | 0 | | |
| 108.63.108.56 | host-108-63-9-56.static.tor.primus.ca | 0 | | |
| 108.63.108.57 | host-108-63-9-57.static.tor.primus.ca | 0 | | |
| 108.63.108.58 | host-108-63-9-58.static.tor.primus.ca | 0 | | |
| 108.63.108.59 | host-108-63-9-59.static.tor.primus.ca | 0 | | |
| 108.63.108.60 | host-108-63-9-60.static.tor.primus.ca | 0 | | |
| 108.63.108.61 | host-108-63-9-61.static.tor.primus.ca | 0 | | |
| 108.63.108.62 | mail.conval-aid.com | 0 | | |
| 108.63.108.63 | host-108-63-9-63.static.tor.primus.ca | 0 | | |
| 108.63.108.64 | host-108-63-9-64.static.tor.primus.ca | 0 | | |
| 108.63.108.65 | host-108-63-9-65.static.tor.primus.ca | 0 | | |
| 108.63.108.66 | host-108-63-9-66.static.tor.primus.ca | 0 | | |
| 108.63.108.67 | host-108-63-9-67.static.tor.primus.ca | 0 | | |
| 108.63.108.68 | host-108-63-9-68.static.tor.primus.ca | 0 | | |
| 108.63.108.69 | host-108-63-9-69.static.tor.primus.ca | 0 | | |
| 108.63.108.70 | host-108-63-9-70.static.tor.primus.ca | 0 | | |
| 108.63.108.71 | host-108-63-9-71.static.tor.primus.ca | 0 | | |
| 108.63.108.72 | host-108-63-9-72.static.tor.primus.ca | 0 | | |
| 108.63.108.73 | host-108-63-9-73.static.tor.primus.ca | 0 | | |
| 108.63.108.74 | host-108-63-9-74.static.tor.primus.ca | 0 | | |
| 108.63.108.75 | host-108-63-9-75.static.tor.primus.ca | 0 | | |
| 108.63.108.76 | host-108-63-9-76.static.tor.primus.ca | 0 | | |
| 108.63.108.77 | host-108-63-9-77.static.tor.primus.ca | 0 | | |
| 108.63.108.78 | host-108-63-9-78.static.tor.primus.ca | 0 | | |
| 108.63.108.79 | host-108-63-9-79.static.tor.primus.ca | 0 | | |
| 108.63.108.80 | host-108-63-9-80.static.tor.primus.ca | 0 | | |
| 108.63.108.81 | host-108-63-9-81.static.tor.primus.ca | 0 | | |
| 108.63.108.82 | host-108-63-9-82.static.tor.primus.ca | 0 | | |
| 108.63.108.83 | host-108-63-9-83.static.tor.primus.ca | 0 | | |
| 108.63.108.84 | host-108-63-9-84.static.tor.primus.ca | 0 | | |
| 108.63.108.85 | host-108-63-9-85.static.tor.primus.ca | 0 | | |
| 108.63.108.86 | host-108-63-9-86.static.tor.primus.ca | 0 | | |
| 108.63.108.87 | host-108-63-9-87.static.tor.primus.ca | 0 | | |
| 108.63.108.88 | host-108-63-9-88.static.tor.primus.ca | 0 | | |
| 108.63.108.89 | host-108-63-9-89.static.tor.primus.ca | 0 | | |
| 108.63.108.90 | host-108-63-9-90.static.tor.primus.ca | 0 | | |
| 108.63.108.91 | host-108-63-9-91.static.tor.primus.ca | 0 | | |
| 108.63.108.92 | host-108-63-9-92.static.tor.primus.ca | 0 | | |
| 108.63.108.93 | host-108-63-9-93.static.tor.primus.ca | 0 | | |
| 108.63.108.94 | host-108-63-9-94.static.tor.primus.ca | 0 | | |
| 108.63.108.95 | host-108-63-9-95.static.tor.primus.ca | 0 | | |
| 108.63.108.96 | host-108-63-9-96.static.tor.primus.ca | 0 | | |
| 108.63.108.97 | host-108-63-9-97.static.tor.primus.ca | 0 | | |
| 108.63.108.98 | host-108-63-9-98.static.tor.primus.ca | 0 | | |
| 108.63.108.99 | host-108-63-9-99.static.tor.primus.ca | 0 | | |
| 108.63.108.100 | host-108-63-9-100.static.tor.primus.ca | 0 | | |
| 108.63.108.101 | host-108-63-9-101.static.tor.primus.ca | 0 | | |
| 108.63.108.102 | host-108-63-9-102.static.tor.primus.ca | 0 | | |
| 108.63.108.103 | host-108-63-9-103.static.tor.primus.ca | 0 | | |
| 108.63.108.104 | host-108-63-9-104.static.tor.primus.ca | 0 | | |
| 108.63.108.105 | host-108-63-9-105.static.tor.primus.ca | 0 | | |
| 108.63.108.106 | host-108-63-9-106.static.tor.primus.ca | 0 | | |
| 108.63.108.107 | host-108-63-9-107.static.tor.primus.ca | 0 | | |
| 108.63.108.108 | host-108-63-9-108.static.tor.primus.ca | 0 | | |
| 108.63.108.109 | host-108-63-9-109.static.tor.primus.ca | 0 | | |
| 108.63.108.110 | host-108-63-9-110.static.tor.primus.ca | 0 | | |
| 108.63.108.111 | host-108-63-9-111.static.tor.primus.ca | 0 | | |
| 108.63.108.112 | host-108-63-9-112.static.tor.primus.ca | 0 | | |
| 108.63.108.113 | host-108-63-9-113.static.tor.primus.ca | 0 | | |
| 108.63.108.114 | host-108-63-9-114.static.tor.primus.ca | 0 | | |
| 108.63.108.115 | host-108-63-9-115.static.tor.primus.ca | 0 | | |
| 108.63.108.116 | host-108-63-9-116.static.tor.primus.ca | 0 | | |
| 108.63.108.117 | host-108-63-9-117.static.tor.primus.ca | 0 | | |
| 108.63.108.118 | host-108-63-9-118.static.tor.primus.ca | 0 | | |
| 108.63.108.119 | host-108-63-9-119.static.tor.primus.ca | 0 | | |
| 108.63.108.120 | host-108-63-9-120.static.tor.primus.ca | 0 | | |
| 108.63.108.121 | host-108-63-9-121.static.tor.primus.ca | 0 | | |
| 108.63.108.122 | host-108-63-9-122.static.tor.primus.ca | 0 | | |
| 108.63.108.123 | host-108-63-9-123.static.tor.primus.ca | 0 | | |
| 108.63.108.124 | host-108-63-9-124.static.tor.primus.ca | 0 | | |
| 108.63.108.125 | host-108-63-9-125.static.tor.primus.ca | 0 | | |
| 108.63.108.126 | host-108-63-9-126.static.tor.primus.ca | 0 | | |
| 108.63.108.127 | host-108-63-9-127.static.tor.primus.ca | 0 | | |
| 108.63.108.128 | host-108-63-9-128.static.tor.primus.ca | 0 | | |
| 108.63.108.129 | host-108-63-9-129.static.tor.primus.ca | 0 | | |
| 108.63.108.130 | host-108-63-9-130.static.tor.primus.ca | 0 | | |
| 108.63.108.131 | host-108-63-9-131.static.tor.primus.ca | 0 | | |
| 108.63.108.132 | host-108-63-9-132.static.tor.primus.ca | 0 | | |
| 108.63.108.133 | host-108-63-9-133.static.tor.primus.ca | 0 | | |
| 108.63.108.134 | host-108-63-9-134.static.tor.primus.ca | 0 | | |
| 108.63.108.135 | host-108-63-9-135.static.tor.primus.ca | 0 | | |
| 108.63.108.136 | host-108-63-9-136.static.tor.primus.ca | 0 | | |
| 108.63.108.137 | host-108-63-9-137.static.tor.primus.ca | 0 | | |
| 108.63.108.138 | host-108-63-9-138.static.tor.primus.ca | 0 | | |
| 108.63.108.139 | host-108-63-9-139.static.tor.primus.ca | 0 | | |
| 108.63.108.140 | host-108-63-9-140.static.tor.primus.ca | 0 | | |
| 108.63.108.141 | host-108-63-9-141.static.tor.primus.ca | 0 | | |
| 108.63.108.142 | host-108-63-9-142.static.tor.primus.ca | 0 | | |
| 108.63.108.143 | host-108-63-9-143.static.tor.primus.ca | 0 | | |
| 108.63.108.144 | host-108-63-9-144.static.tor.primus.ca | 0 | | |
| 108.63.108.145 | host-108-63-9-145.static.tor.primus.ca | 0 | | |
| 108.63.108.146 | host-108-63-9-146.static.tor.primus.ca | 0 | | |
| 108.63.108.147 | host-108-63-9-147.static.tor.primus.ca | 0 | | |
| 108.63.108.148 | host-108-63-9-148.static.tor.primus.ca | 0 | | |
| 108.63.108.149 | host-108-63-9-149.static.tor.primus.ca | 0 | | |
| 108.63.108.150 | host-108-63-9-150.static.tor.primus.ca | 0 | | |
| 108.63.108.151 | host-108-63-9-151.static.tor.primus.ca | 0 | | |
| 108.63.108.152 | host-108-63-9-152.static.tor.primus.ca | 0 | | |
| 108.63.108.153 | host-108-63-9-153.static.tor.primus.ca | 0 | | |
| 108.63.108.154 | host-108-63-9-154.static.tor.primus.ca | 0 | | |
| 108.63.108.155 | host-108-63-9-155.static.tor.primus.ca | 0 | | |
| 108.63.108.156 | host-108-63-9-156.static.tor.primus.ca | 0 | | |
| 108.63.108.157 | host-108-63-9-157.static.tor.primus.ca | 0 | | |
| 108.63.108.158 | host-108-63-9-158.static.tor.primus.ca | 0 | | |
| 108.63.108.159 | host-108-63-9-159.static.tor.primus.ca | 0 | | |
| 108.63.108.160 | host-108-63-9-160.static.tor.primus.ca | 0 | | |
| 108.63.108.161 | host-108-63-9-161.static.tor.primus.ca | 0 | | |
| 108.63.108.162 | host-108-63-9-162.static.tor.primus.ca | 0 | | |
| 108.63.108.163 | host-108-63-9-163.static.tor.primus.ca | 0 | | |
| 108.63.108.164 | host-108-63-9-164.static.tor.primus.ca | 0 | | |
| 108.63.108.165 | host-108-63-9-165.static.tor.primus.ca | 0 | | |
| 108.63.108.166 | host-108-63-9-166.static.tor.primus.ca | 0 | | |
| 108.63.108.167 | host-108-63-9-167.static.tor.primus.ca | 0 | | |
| 108.63.108.168 | host-108-63-9-168.static.tor.primus.ca | 0 | | |
| 108.63.108.169 | host-108-63-9-169.static.tor.primus.ca | 0 | | |
| 108.63.108.170 | host-108-63-9-170.static.tor.primus.ca | 0 | | |
| 108.63.108.171 | host-108-63-9-171.static.tor.primus.ca | 0 | | |
| 108.63.108.172 | host-108-63-9-172.static.tor.primus.ca | 0 | | |
| 108.63.108.173 | host-108-63-9-173.static.tor.primus.ca | 0 | | |
| 108.63.108.174 | host-108-63-9-174.static.tor.primus.ca | 0 | | |
| 108.63.108.175 | host-108-63-9-175.static.tor.primus.ca | 0 | | |
| 108.63.108.176 | host-108-63-9-176.static.tor.primus.ca | 0 | | |
| 108.63.108.177 | host-108-63-9-177.static.tor.primus.ca | 0 | | |
| 108.63.108.178 | host-108-63-9-178.static.tor.primus.ca | 0 | | |
| 108.63.108.179 | host-108-63-9-179.static.tor.primus.ca | 0 | | |
| 108.63.108.180 | host-108-63-9-180.static.tor.primus.ca | 0 | | |
| 108.63.108.181 | host-108-63-9-181.static.tor.primus.ca | 0 | | |
| 108.63.108.182 | host-108-63-9-182.static.tor.primus.ca | 0 | | |
| 108.63.108.183 | host-108-63-9-183.static.tor.primus.ca | 0 | | |
| 108.63.108.184 | host-108-63-9-184.static.tor.primus.ca | 0 | | |
| 108.63.108.185 | host-108-63-9-185.static.tor.primus.ca | 0 | | |
| 108.63.108.186 | host-108-63-9-186.static.tor.primus.ca | 0 | | |
| 108.63.108.187 | host-108-63-9-187.static.tor.primus.ca | 0 | | |
| 108.63.108.188 | host-108-63-9-188.static.tor.primus.ca | 0 | | |
| 108.63.108.189 | host-108-63-9-189.static.tor.primus.ca | 0 | | |
| 108.63.108.190 | host-108-63-9-190.static.tor.primus.ca | 0 | | |
| 108.63.108.191 | host-108-63-9-191.static.tor.primus.ca | 0 | | |
| 108.63.108.192 | host-108-63-9-192.static.tor.primus.ca | 0 | | |
| 108.63.108.193 | host-108-63-9-193.static.tor.primus.ca | 0 | | |
| 108.63.108.194 | host-108-63-9-194.static.tor.primus.ca | 0 | | |
| 108.63.108.195 | host-108-63-9-195.static.tor.primus.ca | 0 | | |
| 108.63.108.196 | host-108-63-9-196.static.tor.primus.ca | 0 | | |
| 108.63.108.197 | host-108-63-9-197.static.tor.primus.ca | 0 | | |
| 108.63.108.198 | host-108-63-9-198.static.tor.primus.ca | 0 | | |
| 108.63.108.199 | host-108-63-9-199.static.tor.primus.ca | 0 | | |
| 108.63.108.200 | host-108-63-9-200.static.tor.primus.ca | 0 | | |
| 108.63.108.201 | host-108-63-9-201.static.tor.primus.ca | 0 | | |
| 108.63.108.202 | host-108-63-9-202.static.tor.primus.ca | 0 | | |
| 108.63.108.203 | host-108-63-9-203.static.tor.primus.ca | 0 | | |
| 108.63.108.204 | host-108-63-9-204.static.tor.primus.ca | 0 | | |
| 108.63.108.205 | host-108-63-9-205.static.tor.primus.ca | 0 | | |
| 108.63.108.206 | host-108-63-9-206.static.tor.primus.ca | 0 | | |
| 108.63.108.207 | host-108-63-9-207.static.tor.primus.ca | 0 | | |
| 108.63.108.208 | host-108-63-9-208.static.tor.primus.ca | 0 | | |
| 108.63.108.209 | host-108-63-9-209.static.tor.primus.ca | 0 | | |
| 108.63.108.210 | host-108-63-9-210.static.tor.primus.ca | 0 | | |
| 108.63.108.211 | host-108-63-9-211.static.tor.primus.ca | 0 | | |
| 108.63.108.212 | host-108-63-9-212.static.tor.primus.ca | 0 | | |
| 108.63.108.213 | host-108-63-9-213.static.tor.primus.ca | 0 | | |
| 108.63.108.214 | host-108-63-9-214.static.tor.primus.ca | 0 | | |
| 108.63.108.215 | host-108-63-9-215.static.tor.primus.ca | 0 | | |
| 108.63.108.216 | host-108-63-9-216.static.tor.primus.ca | 0 | | |
| 108.63.108.217 | host-108-63-9-217.static.tor.primus.ca | 0 | | |
| 108.63.108.218 | host-108-63-9-218.static.tor.primus.ca | 0 | | |
| 108.63.108.219 | host-108-63-9-219.static.tor.primus.ca | 0 | | |
| 108.63.108.220 | host-108-63-9-220.static.tor.primus.ca | 0 | | |
| 108.63.108.221 | host-108-63-9-221.static.tor.primus.ca | 0 | | |
| 108.63.108.222 | host-108-63-9-222.static.tor.primus.ca | 0 | | |
| 108.63.108.223 | host-108-63-9-223.static.tor.primus.ca | 0 | | |
| 108.63.108.224 | host-108-63-9-224.static.tor.primus.ca | 0 | | |
| 108.63.108.225 | host-108-63-9-225.static.tor.primus.ca | 0 | | |
| 108.63.108.226 | host-108-63-9-226.static.tor.primus.ca | 0 | | |
| 108.63.108.227 | host-108-63-9-227.static.tor.primus.ca | 0 | | |
| 108.63.108.228 | host-108-63-9-228.static.tor.primus.ca | 0 | | |
| 108.63.108.229 | host-108-63-9-229.static.tor.primus.ca | 0 | | |
| 108.63.108.230 | host-108-63-9-230.static.tor.primus.ca | 0 | | |
| 108.63.108.231 | host-108-63-9-231.static.tor.primus.ca | 0 | | |
| 108.63.108.232 | host-108-63-9-232.static.tor.primus.ca | 0 | | |
| 108.63.108.233 | host-108-63-9-233.static.tor.primus.ca | 0 | | |
| 108.63.108.234 | host-108-63-9-234.static.tor.primus.ca | 0 | | |
| 108.63.108.235 | host-108-63-9-235.static.tor.primus.ca | 0 | | |
| 108.63.108.236 | host-108-63-9-236.static.tor.primus.ca | 0 | | |
| 108.63.108.237 | host-108-63-9-237.static.tor.primus.ca | 0 | | |
| 108.63.108.238 | host-108-63-9-238.static.tor.primus.ca | 0 | | |
| 108.63.108.239 | host-108-63-9-239.static.tor.primus.ca | 0 | | |
| 108.63.108.240 | host-108-63-9-240.static.tor.primus.ca | 0 | | |
| 108.63.108.241 | host-108-63-9-241.static.tor.primus.ca | 0 | | |
| 108.63.108.242 | host-108-63-9-242.static.tor.primus.ca | 0 | | |
| 108.63.108.243 | host-108-63-9-243.static.tor.primus.ca | 0 | | |
| 108.63.108.244 | host-108-63-9-244.static.tor.primus.ca | 0 | | |
| 108.63.108.245 | host-108-63-9-245.static.tor.primus.ca | 0 | | |
| 108.63.108.246 | host-108-63-9-246.static.tor.primus.ca | 0 | | |
| 108.63.108.247 | host-108-63-9-247.static.tor.primus.ca | 0 | | |
| 108.63.108.248 | host-108-63-9-248.static.tor.primus.ca | 0 | | |
| 108.63.108.249 | host-108-63-9-249.static.tor.primus.ca | 0 | | |
| 108.63.108.250 | host-108-63-9-250.static.tor.primus.ca | 0 | | |
| 108.63.108.251 | host-108-63-9-251.static.tor.primus.ca | 0 | | |
| 108.63.108.252 | host-108-63-9-252.static.tor.primus.ca | 0 | | |
| 108.63.108.253 | host-108-63-9-253.static.tor.primus.ca | 0 | | |
| 108.63.108.254 | host-108-63-9-254.static.tor.primus.ca | 0 | | |
| 108.63.108.255 | host-108-63-9-255.static.tor.primus.ca | 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 108.63.108.1
traceroute to 108.63.108.1 (108.63.108.1): 64 hops max, 52 byte packets
Measurement taken from 
IPinfo ProbeNet in Vancouver, CA
IPinfo ProbeNet in Vancouver, CAOn