IPinfo - Comprehensive IP address data, IP geolocation API and database
  1. All IP Ranges
  2. 121.0.0.0/8
  3. 121.81.0.0/16
  4. 121.81.57.0/24

121.81.57.0/24 IP Range

Summary

ASNAS17511 OPTAGE Inc.
BGP121.80.0.0/14
IPs with RDNS256
Hosted Domains0
Pingable IPs0
Router IPs0
121.81.57.0121-81-57-0f1.osk3.eonet.ne.jp0
121.81.57.1121-81-57-1f1.osk3.eonet.ne.jp0
121.81.57.2121-81-57-2f1.osk3.eonet.ne.jp0
121.81.57.3121-81-57-3f1.osk3.eonet.ne.jp0
121.81.57.4121-81-57-4f1.osk3.eonet.ne.jp0
121.81.57.5121-81-57-5f1.osk3.eonet.ne.jp0
121.81.57.6121-81-57-6f1.osk3.eonet.ne.jp0
121.81.57.7121-81-57-7f1.osk3.eonet.ne.jp0
121.81.57.8121-81-57-8f1.osk3.eonet.ne.jp0
121.81.57.9121-81-57-9f1.osk3.eonet.ne.jp0
121.81.57.10121-81-57-10f1.osk3.eonet.ne.jp0
121.81.57.11121-81-57-11f1.osk3.eonet.ne.jp0
121.81.57.12121-81-57-12f1.osk3.eonet.ne.jp0
121.81.57.13121-81-57-13f1.osk3.eonet.ne.jp0
121.81.57.14121-81-57-14f1.osk3.eonet.ne.jp0
121.81.57.15121-81-57-15f1.osk3.eonet.ne.jp0
121.81.57.16121-81-57-16f1.osk3.eonet.ne.jp0
121.81.57.17121-81-57-17f1.osk3.eonet.ne.jp0
121.81.57.18121-81-57-18f1.osk3.eonet.ne.jp0
121.81.57.19121-81-57-19f1.osk3.eonet.ne.jp0
121.81.57.20121-81-57-20f1.osk3.eonet.ne.jp0
121.81.57.21121-81-57-21f1.osk3.eonet.ne.jp0
121.81.57.22121-81-57-22f1.osk3.eonet.ne.jp0
121.81.57.23121-81-57-23f1.osk3.eonet.ne.jp0
121.81.57.24121-81-57-24f1.osk3.eonet.ne.jp0
121.81.57.25121-81-57-25f1.osk3.eonet.ne.jp0
121.81.57.26121-81-57-26f1.osk3.eonet.ne.jp0
121.81.57.27121-81-57-27f1.osk3.eonet.ne.jp0
121.81.57.28121-81-57-28f1.osk3.eonet.ne.jp0
121.81.57.29121-81-57-29f1.osk3.eonet.ne.jp0
121.81.57.30121-81-57-30f1.osk3.eonet.ne.jp0
121.81.57.31121-81-57-31f1.osk3.eonet.ne.jp0
121.81.57.32121-81-57-32f1.osk3.eonet.ne.jp0
121.81.57.33121-81-57-33f1.osk3.eonet.ne.jp0
121.81.57.34121-81-57-34f1.osk3.eonet.ne.jp0
121.81.57.35121-81-57-35f1.osk3.eonet.ne.jp0
121.81.57.36121-81-57-36f1.osk3.eonet.ne.jp0
121.81.57.37121-81-57-37f1.osk3.eonet.ne.jp0
121.81.57.38121-81-57-38f1.osk3.eonet.ne.jp0
121.81.57.39121-81-57-39f1.osk3.eonet.ne.jp0
121.81.57.40121-81-57-40f1.osk3.eonet.ne.jp0
121.81.57.41121-81-57-41f1.osk3.eonet.ne.jp0
121.81.57.42121-81-57-42f1.osk3.eonet.ne.jp0
121.81.57.43121-81-57-43f1.osk3.eonet.ne.jp0
121.81.57.44121-81-57-44f1.osk3.eonet.ne.jp0
121.81.57.45121-81-57-45f1.osk3.eonet.ne.jp0
121.81.57.46121-81-57-46f1.osk3.eonet.ne.jp0
121.81.57.47121-81-57-47f1.osk3.eonet.ne.jp0
121.81.57.48121-81-57-48f1.osk3.eonet.ne.jp0
121.81.57.49121-81-57-49f1.osk3.eonet.ne.jp0
121.81.57.50121-81-57-50f1.osk3.eonet.ne.jp0
121.81.57.51121-81-57-51f1.osk3.eonet.ne.jp0
121.81.57.52121-81-57-52f1.osk3.eonet.ne.jp0
121.81.57.53121-81-57-53f1.osk3.eonet.ne.jp0
121.81.57.54121-81-57-54f1.osk3.eonet.ne.jp0
121.81.57.55121-81-57-55f1.osk3.eonet.ne.jp0
121.81.57.56121-81-57-56f1.osk3.eonet.ne.jp0
121.81.57.57121-81-57-57f1.osk3.eonet.ne.jp0
121.81.57.58121-81-57-58f1.osk3.eonet.ne.jp0
121.81.57.59121-81-57-59f1.osk3.eonet.ne.jp0
121.81.57.60121-81-57-60f1.osk3.eonet.ne.jp0
121.81.57.61121-81-57-61f1.osk3.eonet.ne.jp0
121.81.57.62121-81-57-62f1.osk3.eonet.ne.jp0
121.81.57.63121-81-57-63f1.osk3.eonet.ne.jp0
121.81.57.64121-81-57-64f1.osk3.eonet.ne.jp0
121.81.57.65121-81-57-65f1.osk3.eonet.ne.jp0
121.81.57.66121-81-57-66f1.osk3.eonet.ne.jp0
121.81.57.67121-81-57-67f1.osk3.eonet.ne.jp0
121.81.57.68121-81-57-68f1.osk3.eonet.ne.jp0
121.81.57.69121-81-57-69f1.osk3.eonet.ne.jp0
121.81.57.70121-81-57-70f1.osk3.eonet.ne.jp0
121.81.57.71121-81-57-71f1.osk3.eonet.ne.jp0
121.81.57.72121-81-57-72f1.osk3.eonet.ne.jp0
121.81.57.73121-81-57-73f1.osk3.eonet.ne.jp0
121.81.57.74121-81-57-74f1.osk3.eonet.ne.jp0
121.81.57.75121-81-57-75f1.osk3.eonet.ne.jp0
121.81.57.76121-81-57-76f1.osk3.eonet.ne.jp0
121.81.57.77121-81-57-77f1.osk3.eonet.ne.jp0
121.81.57.78121-81-57-78f1.osk3.eonet.ne.jp0
121.81.57.79121-81-57-79f1.osk3.eonet.ne.jp0
121.81.57.80121-81-57-80f1.osk3.eonet.ne.jp0
121.81.57.81121-81-57-81f1.osk3.eonet.ne.jp0
121.81.57.82121-81-57-82f1.osk3.eonet.ne.jp0
121.81.57.83121-81-57-83f1.osk3.eonet.ne.jp0
121.81.57.84121-81-57-84f1.osk3.eonet.ne.jp0
121.81.57.85121-81-57-85f1.osk3.eonet.ne.jp0
121.81.57.86121-81-57-86f1.osk3.eonet.ne.jp0
121.81.57.87121-81-57-87f1.osk3.eonet.ne.jp0
121.81.57.88121-81-57-88f1.osk3.eonet.ne.jp0
121.81.57.89121-81-57-89f1.osk3.eonet.ne.jp0
121.81.57.90121-81-57-90f1.osk3.eonet.ne.jp0
121.81.57.91121-81-57-91f1.osk3.eonet.ne.jp0
121.81.57.92121-81-57-92f1.osk3.eonet.ne.jp0
121.81.57.93121-81-57-93f1.osk3.eonet.ne.jp0
121.81.57.94121-81-57-94f1.osk3.eonet.ne.jp0
121.81.57.95121-81-57-95f1.osk3.eonet.ne.jp0
121.81.57.96121-81-57-96f1.osk3.eonet.ne.jp0
121.81.57.97121-81-57-97f1.osk3.eonet.ne.jp0
121.81.57.98121-81-57-98f1.osk3.eonet.ne.jp0
121.81.57.99121-81-57-99f1.osk3.eonet.ne.jp0
121.81.57.100121-81-57-100f1.osk3.eonet.ne.jp0
121.81.57.101121-81-57-101f1.osk3.eonet.ne.jp0
121.81.57.102121-81-57-102f1.osk3.eonet.ne.jp0
121.81.57.103121-81-57-103f1.osk3.eonet.ne.jp0
121.81.57.104121-81-57-104f1.osk3.eonet.ne.jp0
121.81.57.105121-81-57-105f1.osk3.eonet.ne.jp0
121.81.57.106121-81-57-106f1.osk3.eonet.ne.jp0
121.81.57.107121-81-57-107f1.osk3.eonet.ne.jp0
121.81.57.108121-81-57-108f1.osk3.eonet.ne.jp0
121.81.57.109121-81-57-109f1.osk3.eonet.ne.jp0
121.81.57.110121-81-57-110f1.osk3.eonet.ne.jp0
121.81.57.111121-81-57-111f1.osk3.eonet.ne.jp0
121.81.57.112121-81-57-112f1.osk3.eonet.ne.jp0
121.81.57.113121-81-57-113f1.osk3.eonet.ne.jp0
121.81.57.114121-81-57-114f1.osk3.eonet.ne.jp0
121.81.57.115121-81-57-115f1.osk3.eonet.ne.jp0
121.81.57.116121-81-57-116f1.osk3.eonet.ne.jp0
121.81.57.117121-81-57-117f1.osk3.eonet.ne.jp0
121.81.57.118121-81-57-118f1.osk3.eonet.ne.jp0
121.81.57.119121-81-57-119f1.osk3.eonet.ne.jp0
121.81.57.120121-81-57-120f1.osk3.eonet.ne.jp0
121.81.57.121121-81-57-121f1.osk3.eonet.ne.jp0
121.81.57.122121-81-57-122f1.osk3.eonet.ne.jp0
121.81.57.123121-81-57-123f1.osk3.eonet.ne.jp0
121.81.57.124121-81-57-124f1.osk3.eonet.ne.jp0
121.81.57.125121-81-57-125f1.osk3.eonet.ne.jp0
121.81.57.126121-81-57-126f1.osk3.eonet.ne.jp0
121.81.57.127121-81-57-127f1.osk3.eonet.ne.jp0
121.81.57.128121-81-57-128f1.osk3.eonet.ne.jp0
121.81.57.129121-81-57-129f1.osk3.eonet.ne.jp0
121.81.57.130121-81-57-130f1.osk3.eonet.ne.jp0
121.81.57.131121-81-57-131f1.osk3.eonet.ne.jp0
121.81.57.132121-81-57-132f1.osk3.eonet.ne.jp0
121.81.57.133121-81-57-133f1.osk3.eonet.ne.jp0
121.81.57.134121-81-57-134f1.osk3.eonet.ne.jp0
121.81.57.135121-81-57-135f1.osk3.eonet.ne.jp0
121.81.57.136121-81-57-136f1.osk3.eonet.ne.jp0
121.81.57.137121-81-57-137f1.osk3.eonet.ne.jp0
121.81.57.138121-81-57-138f1.osk3.eonet.ne.jp0
121.81.57.139121-81-57-139f1.osk3.eonet.ne.jp0
121.81.57.140121-81-57-140f1.osk3.eonet.ne.jp0
121.81.57.141121-81-57-141f1.osk3.eonet.ne.jp0
121.81.57.142121-81-57-142f1.osk3.eonet.ne.jp0
121.81.57.143121-81-57-143f1.osk3.eonet.ne.jp0
121.81.57.144121-81-57-144f1.osk3.eonet.ne.jp0
121.81.57.145121-81-57-145f1.osk3.eonet.ne.jp0
121.81.57.146121-81-57-146f1.osk3.eonet.ne.jp0
121.81.57.147121-81-57-147f1.osk3.eonet.ne.jp0
121.81.57.148121-81-57-148f1.osk3.eonet.ne.jp0
121.81.57.149121-81-57-149f1.osk3.eonet.ne.jp0
121.81.57.150121-81-57-150f1.osk3.eonet.ne.jp0
121.81.57.151121-81-57-151f1.osk3.eonet.ne.jp0
121.81.57.152121-81-57-152f1.osk3.eonet.ne.jp0
121.81.57.153121-81-57-153f1.osk3.eonet.ne.jp0
121.81.57.154121-81-57-154f1.osk3.eonet.ne.jp0
121.81.57.155121-81-57-155f1.osk3.eonet.ne.jp0
121.81.57.156121-81-57-156f1.osk3.eonet.ne.jp0
121.81.57.157121-81-57-157f1.osk3.eonet.ne.jp0
121.81.57.158121-81-57-158f1.osk3.eonet.ne.jp0
121.81.57.159121-81-57-159f1.osk3.eonet.ne.jp0
121.81.57.160121-81-57-160f1.osk3.eonet.ne.jp0
121.81.57.161121-81-57-161f1.osk3.eonet.ne.jp0
121.81.57.162121-81-57-162f1.osk3.eonet.ne.jp0
121.81.57.163121-81-57-163f1.osk3.eonet.ne.jp0
121.81.57.164121-81-57-164f1.osk3.eonet.ne.jp0
121.81.57.165121-81-57-165f1.osk3.eonet.ne.jp0
121.81.57.166121-81-57-166f1.osk3.eonet.ne.jp0
121.81.57.167121-81-57-167f1.osk3.eonet.ne.jp0
121.81.57.168121-81-57-168f1.osk3.eonet.ne.jp0
121.81.57.169121-81-57-169f1.osk3.eonet.ne.jp0
121.81.57.170121-81-57-170f1.osk3.eonet.ne.jp0
121.81.57.171121-81-57-171f1.osk3.eonet.ne.jp0
121.81.57.172121-81-57-172f1.osk3.eonet.ne.jp0
121.81.57.173121-81-57-173f1.osk3.eonet.ne.jp0
121.81.57.174121-81-57-174f1.osk3.eonet.ne.jp0
121.81.57.175121-81-57-175f1.osk3.eonet.ne.jp0
121.81.57.176121-81-57-176f1.osk3.eonet.ne.jp0
121.81.57.177121-81-57-177f1.osk3.eonet.ne.jp0
121.81.57.178121-81-57-178f1.osk3.eonet.ne.jp0
121.81.57.179121-81-57-179f1.osk3.eonet.ne.jp0
121.81.57.180121-81-57-180f1.osk3.eonet.ne.jp0
121.81.57.181121-81-57-181f1.osk3.eonet.ne.jp0
121.81.57.182121-81-57-182f1.osk3.eonet.ne.jp0
121.81.57.183121-81-57-183f1.osk3.eonet.ne.jp0
121.81.57.184121-81-57-184f1.osk3.eonet.ne.jp0
121.81.57.185121-81-57-185f1.osk3.eonet.ne.jp0
121.81.57.186121-81-57-186f1.osk3.eonet.ne.jp0
121.81.57.187121-81-57-187f1.osk3.eonet.ne.jp0
121.81.57.188121-81-57-188f1.osk3.eonet.ne.jp0
121.81.57.189121-81-57-189f1.osk3.eonet.ne.jp0
121.81.57.190121-81-57-190f1.osk3.eonet.ne.jp0
121.81.57.191121-81-57-191f1.osk3.eonet.ne.jp0
121.81.57.192121-81-57-192f1.osk3.eonet.ne.jp0
121.81.57.193121-81-57-193f1.osk3.eonet.ne.jp0
121.81.57.194121-81-57-194f1.osk3.eonet.ne.jp0
121.81.57.195121-81-57-195f1.osk3.eonet.ne.jp0
121.81.57.196121-81-57-196f1.osk3.eonet.ne.jp0
121.81.57.197121-81-57-197f1.osk3.eonet.ne.jp0
121.81.57.198121-81-57-198f1.osk3.eonet.ne.jp0
121.81.57.199121-81-57-199f1.osk3.eonet.ne.jp0
121.81.57.200121-81-57-200f1.osk3.eonet.ne.jp0
121.81.57.201121-81-57-201f1.osk3.eonet.ne.jp0
121.81.57.202121-81-57-202f1.osk3.eonet.ne.jp0
121.81.57.203121-81-57-203f1.osk3.eonet.ne.jp0
121.81.57.204121-81-57-204f1.osk3.eonet.ne.jp0
121.81.57.205121-81-57-205f1.osk3.eonet.ne.jp0
121.81.57.206121-81-57-206f1.osk3.eonet.ne.jp0
121.81.57.207121-81-57-207f1.osk3.eonet.ne.jp0
121.81.57.208121-81-57-208f1.osk3.eonet.ne.jp0
121.81.57.209121-81-57-209f1.osk3.eonet.ne.jp0
121.81.57.210121-81-57-210f1.osk3.eonet.ne.jp0
121.81.57.211121-81-57-211f1.osk3.eonet.ne.jp0
121.81.57.212121-81-57-212f1.osk3.eonet.ne.jp0
121.81.57.213121-81-57-213f1.osk3.eonet.ne.jp0
121.81.57.214121-81-57-214f1.osk3.eonet.ne.jp0
121.81.57.215121-81-57-215f1.osk3.eonet.ne.jp0
121.81.57.216121-81-57-216f1.osk3.eonet.ne.jp0
121.81.57.217121-81-57-217f1.osk3.eonet.ne.jp0
121.81.57.218121-81-57-218f1.osk3.eonet.ne.jp0
121.81.57.219121-81-57-219f1.osk3.eonet.ne.jp0
121.81.57.220121-81-57-220f1.osk3.eonet.ne.jp0
121.81.57.221121-81-57-221f1.osk3.eonet.ne.jp0
121.81.57.222121-81-57-222f1.osk3.eonet.ne.jp0
121.81.57.223121-81-57-223f1.osk3.eonet.ne.jp0
121.81.57.224121-81-57-224f1.osk3.eonet.ne.jp0
121.81.57.225121-81-57-225f1.osk3.eonet.ne.jp0
121.81.57.226121-81-57-226f1.osk3.eonet.ne.jp0
121.81.57.227121-81-57-227f1.osk3.eonet.ne.jp0
121.81.57.228121-81-57-228f1.osk3.eonet.ne.jp0
121.81.57.229121-81-57-229f1.osk3.eonet.ne.jp0
121.81.57.230121-81-57-230f1.osk3.eonet.ne.jp0
121.81.57.231121-81-57-231f1.osk3.eonet.ne.jp0
121.81.57.232121-81-57-232f1.osk3.eonet.ne.jp0
121.81.57.233121-81-57-233f1.osk3.eonet.ne.jp0
121.81.57.234121-81-57-234f1.osk3.eonet.ne.jp0
121.81.57.235121-81-57-235f1.osk3.eonet.ne.jp0
121.81.57.236121-81-57-236f1.osk3.eonet.ne.jp0
121.81.57.237121-81-57-237f1.osk3.eonet.ne.jp0
121.81.57.238121-81-57-238f1.osk3.eonet.ne.jp0
121.81.57.239121-81-57-239f1.osk3.eonet.ne.jp0
121.81.57.240121-81-57-240f1.osk3.eonet.ne.jp0
121.81.57.241121-81-57-241f1.osk3.eonet.ne.jp0
121.81.57.242121-81-57-242f1.osk3.eonet.ne.jp0
121.81.57.243121-81-57-243f1.osk3.eonet.ne.jp0
121.81.57.244121-81-57-244f1.osk3.eonet.ne.jp0
121.81.57.245121-81-57-245f1.osk3.eonet.ne.jp0
121.81.57.246121-81-57-246f1.osk3.eonet.ne.jp0
121.81.57.247121-81-57-247f1.osk3.eonet.ne.jp0
121.81.57.248121-81-57-248f1.osk3.eonet.ne.jp0
121.81.57.249121-81-57-249f1.osk3.eonet.ne.jp0
121.81.57.250121-81-57-250f1.osk3.eonet.ne.jp0
121.81.57.251121-81-57-251f1.osk3.eonet.ne.jp0
121.81.57.252121-81-57-252f1.osk3.eonet.ne.jp0
121.81.57.253121-81-57-253f1.osk3.eonet.ne.jp0
121.81.57.254121-81-57-254f1.osk3.eonet.ne.jp0
121.81.57.255121-81-57-255f1.osk3.eonet.ne.jp0

Traceroute

Below is a recent traceroute taken from the IPinfo ProbeNet to an IP in this range. Learn more.
$
traceroute -a -n -q1 -m5 121.81.57.204
traceroute to 121.81.57.204 (121.81.57.204): 5 hops max, 52 byte packets
1 [AS15169] 74.125.251.87 105.929 ms
2 [AS17511] 203.140.81.164 117.962 ms
3 *
4 *
5 *
Measurement taken from  IPinfo ProbeNet in Las Vegas, US
On