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. 121.81.243.0/24

121.81.243.0/24 IP Range

Summary

ASNAS17511 OPTAGE Inc.
BGP121.80.0.0/14
IPs with RDNS256
Hosted Domains0
Pingable IPs4
Router IPs0
121.81.243.0121-81-243-0f1.osk1.eonet.ne.jp0
121.81.243.1121-81-243-1f1.osk1.eonet.ne.jp0
121.81.243.2121-81-243-2f1.osk1.eonet.ne.jp0
121.81.243.3121-81-243-3f1.osk1.eonet.ne.jp0
121.81.243.4121-81-243-4f1.osk1.eonet.ne.jp0
121.81.243.5121-81-243-5f1.osk1.eonet.ne.jp0
121.81.243.6121-81-243-6f1.osk1.eonet.ne.jp0
121.81.243.7121-81-243-7f1.osk1.eonet.ne.jp0
121.81.243.8121-81-243-8f1.osk1.eonet.ne.jp0
121.81.243.9121-81-243-9f1.osk1.eonet.ne.jp0
121.81.243.10121-81-243-10f1.osk1.eonet.ne.jp0
121.81.243.11121-81-243-11f1.osk1.eonet.ne.jp0
121.81.243.12121-81-243-12f1.osk1.eonet.ne.jp0
121.81.243.13121-81-243-13f1.osk1.eonet.ne.jp0
121.81.243.14121-81-243-14f1.osk1.eonet.ne.jp0
121.81.243.15121-81-243-15f1.osk1.eonet.ne.jp0
121.81.243.16121-81-243-16f1.osk1.eonet.ne.jp0
121.81.243.17121-81-243-17f1.osk1.eonet.ne.jp0
121.81.243.18121-81-243-18f1.osk1.eonet.ne.jp0
121.81.243.19121-81-243-19f1.osk1.eonet.ne.jp0
121.81.243.20121-81-243-20f1.osk1.eonet.ne.jp0
121.81.243.21121-81-243-21f1.osk1.eonet.ne.jp0
121.81.243.22121-81-243-22f1.osk1.eonet.ne.jp0
121.81.243.23121-81-243-23f1.osk1.eonet.ne.jp0
121.81.243.24121-81-243-24f1.osk1.eonet.ne.jp0
121.81.243.25121-81-243-25f1.osk1.eonet.ne.jp0
121.81.243.26121-81-243-26f1.osk1.eonet.ne.jp0
121.81.243.27121-81-243-27f1.osk1.eonet.ne.jp0
121.81.243.28121-81-243-28f1.osk1.eonet.ne.jp0
121.81.243.29121-81-243-29f1.osk1.eonet.ne.jp0
121.81.243.30121-81-243-30f1.osk1.eonet.ne.jp0
121.81.243.31121-81-243-31f1.osk1.eonet.ne.jp0
121.81.243.32121-81-243-32f1.osk1.eonet.ne.jp0
121.81.243.33121-81-243-33f1.osk1.eonet.ne.jp0
121.81.243.34121-81-243-34f1.osk1.eonet.ne.jp0
121.81.243.35121-81-243-35f1.osk1.eonet.ne.jp0
121.81.243.36121-81-243-36f1.osk1.eonet.ne.jp0
121.81.243.37121-81-243-37f1.osk1.eonet.ne.jp0
121.81.243.38121-81-243-38f1.osk1.eonet.ne.jp0
121.81.243.39121-81-243-39f1.osk1.eonet.ne.jp0
121.81.243.40121-81-243-40f1.osk1.eonet.ne.jp0
121.81.243.41121-81-243-41f1.osk1.eonet.ne.jp0
121.81.243.42121-81-243-42f1.osk1.eonet.ne.jp0
121.81.243.43121-81-243-43f1.osk1.eonet.ne.jp0
121.81.243.44121-81-243-44f1.osk1.eonet.ne.jp0
121.81.243.45121-81-243-45f1.osk1.eonet.ne.jp0
121.81.243.46121-81-243-46f1.osk1.eonet.ne.jp0
121.81.243.47121-81-243-47f1.osk1.eonet.ne.jp0
121.81.243.48121-81-243-48f1.osk1.eonet.ne.jp0
121.81.243.49121-81-243-49f1.osk1.eonet.ne.jp0
121.81.243.50121-81-243-50f1.osk1.eonet.ne.jp0
121.81.243.51121-81-243-51f1.osk1.eonet.ne.jp0
121.81.243.52121-81-243-52f1.osk1.eonet.ne.jp0
121.81.243.53121-81-243-53f1.osk1.eonet.ne.jp0
121.81.243.54121-81-243-54f1.osk1.eonet.ne.jp0
121.81.243.55121-81-243-55f1.osk1.eonet.ne.jp0
121.81.243.56121-81-243-56f1.osk1.eonet.ne.jp0
121.81.243.57121-81-243-57f1.osk1.eonet.ne.jp0
121.81.243.58121-81-243-58f1.osk1.eonet.ne.jp0
121.81.243.59121-81-243-59f1.osk1.eonet.ne.jp0
121.81.243.60121-81-243-60f1.osk1.eonet.ne.jp0
121.81.243.61121-81-243-61f1.osk1.eonet.ne.jp0
121.81.243.62121-81-243-62f1.osk1.eonet.ne.jp0
121.81.243.63121-81-243-63f1.osk1.eonet.ne.jp0
121.81.243.64121-81-243-64f1.osk1.eonet.ne.jp0
121.81.243.65121-81-243-65f1.osk1.eonet.ne.jp0
121.81.243.66121-81-243-66f1.osk1.eonet.ne.jp0
121.81.243.67121-81-243-67f1.osk1.eonet.ne.jp0
121.81.243.68121-81-243-68f1.osk1.eonet.ne.jp0
121.81.243.69121-81-243-69f1.osk1.eonet.ne.jp0
121.81.243.70121-81-243-70f1.osk1.eonet.ne.jp0
121.81.243.71121-81-243-71f1.osk1.eonet.ne.jp0
121.81.243.72121-81-243-72f1.osk1.eonet.ne.jp0
121.81.243.73121-81-243-73f1.osk1.eonet.ne.jp0
121.81.243.74121-81-243-74f1.osk1.eonet.ne.jp0
121.81.243.75121-81-243-75f1.osk1.eonet.ne.jp0
121.81.243.76121-81-243-76f1.osk1.eonet.ne.jp0
121.81.243.77121-81-243-77f1.osk1.eonet.ne.jp0
121.81.243.78121-81-243-78f1.osk1.eonet.ne.jp0
121.81.243.79121-81-243-79f1.osk1.eonet.ne.jp0
121.81.243.80121-81-243-80f1.osk1.eonet.ne.jp0
121.81.243.81121-81-243-81f1.osk1.eonet.ne.jp0
121.81.243.82121-81-243-82f1.osk1.eonet.ne.jp0
121.81.243.83121-81-243-83f1.osk1.eonet.ne.jp0
121.81.243.84121-81-243-84f1.osk1.eonet.ne.jp0
121.81.243.85121-81-243-85f1.osk1.eonet.ne.jp0
121.81.243.86121-81-243-86f1.osk1.eonet.ne.jp0
121.81.243.87121-81-243-87f1.osk1.eonet.ne.jp0
121.81.243.88121-81-243-88f1.osk1.eonet.ne.jp0
121.81.243.89121-81-243-89f1.osk1.eonet.ne.jp0
121.81.243.90121-81-243-90f1.osk1.eonet.ne.jp0
121.81.243.91121-81-243-91f1.osk1.eonet.ne.jp0
121.81.243.92121-81-243-92f1.osk1.eonet.ne.jp0
121.81.243.93121-81-243-93f1.osk1.eonet.ne.jp0
121.81.243.94121-81-243-94f1.osk1.eonet.ne.jp0
121.81.243.95121-81-243-95f1.osk1.eonet.ne.jp0
121.81.243.96121-81-243-96f1.osk1.eonet.ne.jp0
121.81.243.97121-81-243-97f1.osk1.eonet.ne.jp0
121.81.243.98121-81-243-98f1.osk1.eonet.ne.jp0
121.81.243.99121-81-243-99f1.osk1.eonet.ne.jp0
121.81.243.100121-81-243-100f1.osk1.eonet.ne.jp0
121.81.243.101121-81-243-101f1.osk1.eonet.ne.jp0
121.81.243.102121-81-243-102f1.osk1.eonet.ne.jp0
121.81.243.103121-81-243-103f1.osk1.eonet.ne.jp0
121.81.243.104121-81-243-104f1.osk1.eonet.ne.jp0
121.81.243.105121-81-243-105f1.osk1.eonet.ne.jp0
121.81.243.106121-81-243-106f1.osk1.eonet.ne.jp0
121.81.243.107121-81-243-107f1.osk1.eonet.ne.jp0
121.81.243.108121-81-243-108f1.osk1.eonet.ne.jp0
121.81.243.109121-81-243-109f1.osk1.eonet.ne.jp0
121.81.243.110121-81-243-110f1.osk1.eonet.ne.jp0
121.81.243.111121-81-243-111f1.osk1.eonet.ne.jp0
121.81.243.112121-81-243-112f1.osk1.eonet.ne.jp0
121.81.243.113121-81-243-113f1.osk1.eonet.ne.jp0
121.81.243.114121-81-243-114f1.osk1.eonet.ne.jp0
121.81.243.115121-81-243-115f1.osk1.eonet.ne.jp0
121.81.243.116121-81-243-116f1.osk1.eonet.ne.jp0
121.81.243.117121-81-243-117f1.osk1.eonet.ne.jp0
121.81.243.118121-81-243-118f1.osk1.eonet.ne.jp0
121.81.243.119121-81-243-119f1.osk1.eonet.ne.jp0
121.81.243.120121-81-243-120f1.osk1.eonet.ne.jp0
121.81.243.121121-81-243-121f1.osk1.eonet.ne.jp0
121.81.243.122121-81-243-122f1.osk1.eonet.ne.jp0
121.81.243.123121-81-243-123f1.osk1.eonet.ne.jp0
121.81.243.124121-81-243-124f1.osk1.eonet.ne.jp0
121.81.243.125121-81-243-125f1.osk1.eonet.ne.jp0
121.81.243.126121-81-243-126f1.osk1.eonet.ne.jp0
121.81.243.127121-81-243-127f1.osk1.eonet.ne.jp0
121.81.243.128121-81-243-128f1.osk1.eonet.ne.jp0
121.81.243.129121-81-243-129f1.osk1.eonet.ne.jp0
121.81.243.130121-81-243-130f1.osk1.eonet.ne.jp0
121.81.243.131121-81-243-131f1.osk1.eonet.ne.jp0
121.81.243.132121-81-243-132f1.osk1.eonet.ne.jp0
121.81.243.133121-81-243-133f1.osk1.eonet.ne.jp0
121.81.243.134121-81-243-134f1.osk1.eonet.ne.jp0
121.81.243.135121-81-243-135f1.osk1.eonet.ne.jp0
121.81.243.136121-81-243-136f1.osk1.eonet.ne.jp0
121.81.243.137121-81-243-137f1.osk1.eonet.ne.jp0
121.81.243.138121-81-243-138f1.osk1.eonet.ne.jp0
121.81.243.139121-81-243-139f1.osk1.eonet.ne.jp0
121.81.243.140121-81-243-140f1.osk1.eonet.ne.jp0
121.81.243.141121-81-243-141f1.osk1.eonet.ne.jp0
121.81.243.142121-81-243-142f1.osk1.eonet.ne.jp0
121.81.243.143121-81-243-143f1.osk1.eonet.ne.jp0
121.81.243.144121-81-243-144f1.osk1.eonet.ne.jp0
121.81.243.145121-81-243-145f1.osk1.eonet.ne.jp0
121.81.243.146121-81-243-146f1.osk1.eonet.ne.jp0
121.81.243.147121-81-243-147f1.osk1.eonet.ne.jp0
121.81.243.148121-81-243-148f1.osk1.eonet.ne.jp0
121.81.243.149121-81-243-149f1.osk1.eonet.ne.jp0
121.81.243.150121-81-243-150f1.osk1.eonet.ne.jp0
121.81.243.151121-81-243-151f1.osk1.eonet.ne.jp0
121.81.243.152121-81-243-152f1.osk1.eonet.ne.jp0
121.81.243.153121-81-243-153f1.osk1.eonet.ne.jp0
121.81.243.154121-81-243-154f1.osk1.eonet.ne.jp0
121.81.243.155121-81-243-155f1.osk1.eonet.ne.jp0
121.81.243.156121-81-243-156f1.osk1.eonet.ne.jp0
121.81.243.157121-81-243-157f1.osk1.eonet.ne.jp0
121.81.243.158121-81-243-158f1.osk1.eonet.ne.jp0
121.81.243.159121-81-243-159f1.osk1.eonet.ne.jp0
121.81.243.160121-81-243-160f1.osk1.eonet.ne.jp0
121.81.243.161121-81-243-161f1.osk1.eonet.ne.jp0
121.81.243.162121-81-243-162f1.osk1.eonet.ne.jp0
121.81.243.163121-81-243-163f1.osk1.eonet.ne.jp0
121.81.243.164121-81-243-164f1.osk1.eonet.ne.jp0
121.81.243.165121-81-243-165f1.osk1.eonet.ne.jp0
121.81.243.166121-81-243-166f1.osk1.eonet.ne.jp0
121.81.243.167121-81-243-167f1.osk1.eonet.ne.jp0
121.81.243.168121-81-243-168f1.osk1.eonet.ne.jp0
121.81.243.169121-81-243-169f1.osk1.eonet.ne.jp0
121.81.243.170121-81-243-170f1.osk1.eonet.ne.jp0
121.81.243.171121-81-243-171f1.osk1.eonet.ne.jp0
121.81.243.172121-81-243-172f1.osk1.eonet.ne.jp0
121.81.243.173121-81-243-173f1.osk1.eonet.ne.jp0
121.81.243.174121-81-243-174f1.osk1.eonet.ne.jp0
121.81.243.175121-81-243-175f1.osk1.eonet.ne.jp0
121.81.243.176121-81-243-176f1.osk1.eonet.ne.jp0
121.81.243.177121-81-243-177f1.osk1.eonet.ne.jp0
121.81.243.178121-81-243-178f1.osk1.eonet.ne.jp0
121.81.243.179121-81-243-179f1.osk1.eonet.ne.jp0
121.81.243.180121-81-243-180f1.osk1.eonet.ne.jp0
121.81.243.181121-81-243-181f1.osk1.eonet.ne.jp0
121.81.243.182121-81-243-182f1.osk1.eonet.ne.jp0
121.81.243.183121-81-243-183f1.osk1.eonet.ne.jp0
121.81.243.184121-81-243-184f1.osk1.eonet.ne.jp0
121.81.243.185121-81-243-185f1.osk1.eonet.ne.jp0
121.81.243.186121-81-243-186f1.osk1.eonet.ne.jp0
121.81.243.187121-81-243-187f1.osk1.eonet.ne.jp0
121.81.243.188121-81-243-188f1.osk1.eonet.ne.jp0
121.81.243.189121-81-243-189f1.osk1.eonet.ne.jp0
121.81.243.190121-81-243-190f1.osk1.eonet.ne.jp0
121.81.243.191121-81-243-191f1.osk1.eonet.ne.jp0
121.81.243.192121-81-243-192f1.osk1.eonet.ne.jp0
121.81.243.193121-81-243-193f1.osk1.eonet.ne.jp0
121.81.243.194121-81-243-194f1.osk1.eonet.ne.jp0
121.81.243.195121-81-243-195f1.osk1.eonet.ne.jp0
121.81.243.196121-81-243-196f1.osk1.eonet.ne.jp0
121.81.243.197121-81-243-197f1.osk1.eonet.ne.jp0
121.81.243.198121-81-243-198f1.osk1.eonet.ne.jp0
121.81.243.199121-81-243-199f1.osk1.eonet.ne.jp0
121.81.243.200121-81-243-200f1.osk1.eonet.ne.jp0
121.81.243.201121-81-243-201f1.osk1.eonet.ne.jp0
121.81.243.202121-81-243-202f1.osk1.eonet.ne.jp0
121.81.243.203121-81-243-203f1.osk1.eonet.ne.jp0
121.81.243.204121-81-243-204f1.osk1.eonet.ne.jp0
121.81.243.205121-81-243-205f1.osk1.eonet.ne.jp0
121.81.243.206121-81-243-206f1.osk1.eonet.ne.jp0
121.81.243.207121-81-243-207f1.osk1.eonet.ne.jp0
121.81.243.208121-81-243-208f1.osk1.eonet.ne.jp0
121.81.243.209121-81-243-209f1.osk1.eonet.ne.jp0
121.81.243.210121-81-243-210f1.osk1.eonet.ne.jp0
121.81.243.211121-81-243-211f1.osk1.eonet.ne.jp0
121.81.243.212121-81-243-212f1.osk1.eonet.ne.jp0
121.81.243.213121-81-243-213f1.osk1.eonet.ne.jp0
121.81.243.214121-81-243-214f1.osk1.eonet.ne.jp0
121.81.243.215121-81-243-215f1.osk1.eonet.ne.jp0
121.81.243.216121-81-243-216f1.osk1.eonet.ne.jp0
121.81.243.217121-81-243-217f1.osk1.eonet.ne.jp0
121.81.243.218121-81-243-218f1.osk1.eonet.ne.jp0
121.81.243.219121-81-243-219f1.osk1.eonet.ne.jp0
121.81.243.220121-81-243-220f1.osk1.eonet.ne.jp0
121.81.243.221121-81-243-221f1.osk1.eonet.ne.jp0
121.81.243.222121-81-243-222f1.osk1.eonet.ne.jp0
121.81.243.223121-81-243-223f1.osk1.eonet.ne.jp0
121.81.243.224121-81-243-224f1.osk1.eonet.ne.jp0
121.81.243.225121-81-243-225f1.osk1.eonet.ne.jp0
121.81.243.226121-81-243-226f1.osk1.eonet.ne.jp0
121.81.243.227121-81-243-227f1.osk1.eonet.ne.jp0
121.81.243.228121-81-243-228f1.osk1.eonet.ne.jp0
121.81.243.229121-81-243-229f1.osk1.eonet.ne.jp0
121.81.243.230121-81-243-230f1.osk1.eonet.ne.jp0
121.81.243.231121-81-243-231f1.osk1.eonet.ne.jp0
121.81.243.232121-81-243-232f1.osk1.eonet.ne.jp0
121.81.243.233121-81-243-233f1.osk1.eonet.ne.jp0
121.81.243.234121-81-243-234f1.osk1.eonet.ne.jp0
121.81.243.235121-81-243-235f1.osk1.eonet.ne.jp0
121.81.243.236121-81-243-236f1.osk1.eonet.ne.jp0
121.81.243.237121-81-243-237f1.osk1.eonet.ne.jp0
121.81.243.238121-81-243-238f1.osk1.eonet.ne.jp0
121.81.243.239121-81-243-239f1.osk1.eonet.ne.jp0
121.81.243.240121-81-243-240f1.osk1.eonet.ne.jp0
121.81.243.241121-81-243-241f1.osk1.eonet.ne.jp0
121.81.243.242121-81-243-242f1.osk1.eonet.ne.jp0
121.81.243.243121-81-243-243f1.osk1.eonet.ne.jp0
121.81.243.244121-81-243-244f1.osk1.eonet.ne.jp0
121.81.243.245121-81-243-245f1.osk1.eonet.ne.jp0
121.81.243.246121-81-243-246f1.osk1.eonet.ne.jp0
121.81.243.247121-81-243-247f1.osk1.eonet.ne.jp0
121.81.243.248121-81-243-248f1.osk1.eonet.ne.jp0
121.81.243.249121-81-243-249f1.osk1.eonet.ne.jp0
121.81.243.250121-81-243-250f1.osk1.eonet.ne.jp0
121.81.243.251121-81-243-251f1.osk1.eonet.ne.jp0
121.81.243.252121-81-243-252f1.osk1.eonet.ne.jp0
121.81.243.253121-81-243-253f1.osk1.eonet.ne.jp0
121.81.243.254121-81-243-254f1.osk1.eonet.ne.jp0
121.81.243.255121-81-243-255f1.osk1.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 -f3 121.81.243.137
traceroute to 121.81.243.137 (121.81.243.137): 64 hops max, 52 byte packets
3 [AS16509] 99.83.70.48 1.321 ms
4 [AS16509] 99.83.70.49 17.092 ms
6 [AS17511] 61.205.118.14 1.499 ms
Measurement taken from  IPinfo ProbeNet in Osaka, JP
On