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. 121.81.23.0/24

121.81.23.0/24 IP Range

Summary

ASNAS17511 OPTAGE Inc.
BGP121.80.0.0/14
IPs with RDNS256
Hosted Domains0
Pingable IPs4
Router IPs0
121.81.23.0121-81-23-0f1.osk1.eonet.ne.jp0
121.81.23.1121-81-23-1f1.osk1.eonet.ne.jp0
121.81.23.2121-81-23-2f1.osk1.eonet.ne.jp0
121.81.23.3121-81-23-3f1.osk1.eonet.ne.jp0
121.81.23.4121-81-23-4f1.osk1.eonet.ne.jp0
121.81.23.5121-81-23-5f1.osk1.eonet.ne.jp0
121.81.23.6121-81-23-6f1.osk1.eonet.ne.jp0
121.81.23.7121-81-23-7f1.osk1.eonet.ne.jp0
121.81.23.8121-81-23-8f1.osk1.eonet.ne.jp0
121.81.23.9121-81-23-9f1.osk1.eonet.ne.jp0
121.81.23.10121-81-23-10f1.osk1.eonet.ne.jp0
121.81.23.11121-81-23-11f1.osk1.eonet.ne.jp0
121.81.23.12121-81-23-12f1.osk1.eonet.ne.jp0
121.81.23.13121-81-23-13f1.osk1.eonet.ne.jp0
121.81.23.14121-81-23-14f1.osk1.eonet.ne.jp0
121.81.23.15121-81-23-15f1.osk1.eonet.ne.jp0
121.81.23.16121-81-23-16f1.osk1.eonet.ne.jp0
121.81.23.17121-81-23-17f1.osk1.eonet.ne.jp0
121.81.23.18121-81-23-18f1.osk1.eonet.ne.jp0
121.81.23.19121-81-23-19f1.osk1.eonet.ne.jp0
121.81.23.20121-81-23-20f1.osk1.eonet.ne.jp0
121.81.23.21121-81-23-21f1.osk1.eonet.ne.jp0
121.81.23.22121-81-23-22f1.osk1.eonet.ne.jp0
121.81.23.23121-81-23-23f1.osk1.eonet.ne.jp0
121.81.23.24121-81-23-24f1.osk1.eonet.ne.jp0
121.81.23.25121-81-23-25f1.osk1.eonet.ne.jp0
121.81.23.26121-81-23-26f1.osk1.eonet.ne.jp0
121.81.23.27121-81-23-27f1.osk1.eonet.ne.jp0
121.81.23.28121-81-23-28f1.osk1.eonet.ne.jp0
121.81.23.29121-81-23-29f1.osk1.eonet.ne.jp0
121.81.23.30121-81-23-30f1.osk1.eonet.ne.jp0
121.81.23.31121-81-23-31f1.osk1.eonet.ne.jp0
121.81.23.32121-81-23-32f1.osk1.eonet.ne.jp0
121.81.23.33121-81-23-33f1.osk1.eonet.ne.jp0
121.81.23.34121-81-23-34f1.osk1.eonet.ne.jp0
121.81.23.35121-81-23-35f1.osk1.eonet.ne.jp0
121.81.23.36121-81-23-36f1.osk1.eonet.ne.jp0
121.81.23.37121-81-23-37f1.osk1.eonet.ne.jp0
121.81.23.38121-81-23-38f1.osk1.eonet.ne.jp0
121.81.23.39121-81-23-39f1.osk1.eonet.ne.jp0
121.81.23.40121-81-23-40f1.osk1.eonet.ne.jp0
121.81.23.41121-81-23-41f1.osk1.eonet.ne.jp0
121.81.23.42121-81-23-42f1.osk1.eonet.ne.jp0
121.81.23.43121-81-23-43f1.osk1.eonet.ne.jp0
121.81.23.44121-81-23-44f1.osk1.eonet.ne.jp0
121.81.23.45121-81-23-45f1.osk1.eonet.ne.jp0
121.81.23.46121-81-23-46f1.osk1.eonet.ne.jp0
121.81.23.47121-81-23-47f1.osk1.eonet.ne.jp0
121.81.23.48121-81-23-48f1.osk1.eonet.ne.jp0
121.81.23.49121-81-23-49f1.osk1.eonet.ne.jp0
121.81.23.50121-81-23-50f1.osk1.eonet.ne.jp0
121.81.23.51121-81-23-51f1.osk1.eonet.ne.jp0
121.81.23.52121-81-23-52f1.osk1.eonet.ne.jp0
121.81.23.53121-81-23-53f1.osk1.eonet.ne.jp0
121.81.23.54121-81-23-54f1.osk1.eonet.ne.jp0
121.81.23.55121-81-23-55f1.osk1.eonet.ne.jp0
121.81.23.56121-81-23-56f1.osk1.eonet.ne.jp0
121.81.23.57121-81-23-57f1.osk1.eonet.ne.jp0
121.81.23.58121-81-23-58f1.osk1.eonet.ne.jp0
121.81.23.59121-81-23-59f1.osk1.eonet.ne.jp0
121.81.23.60121-81-23-60f1.osk1.eonet.ne.jp0
121.81.23.61121-81-23-61f1.osk1.eonet.ne.jp0
121.81.23.62121-81-23-62f1.osk1.eonet.ne.jp0
121.81.23.63121-81-23-63f1.osk1.eonet.ne.jp0
121.81.23.64121-81-23-64f1.osk1.eonet.ne.jp0
121.81.23.65121-81-23-65f1.osk1.eonet.ne.jp0
121.81.23.66121-81-23-66f1.osk1.eonet.ne.jp0
121.81.23.67121-81-23-67f1.osk1.eonet.ne.jp0
121.81.23.68121-81-23-68f1.osk1.eonet.ne.jp0
121.81.23.69121-81-23-69f1.osk1.eonet.ne.jp0
121.81.23.70121-81-23-70f1.osk1.eonet.ne.jp0
121.81.23.71121-81-23-71f1.osk1.eonet.ne.jp0
121.81.23.72121-81-23-72f1.osk1.eonet.ne.jp0
121.81.23.73121-81-23-73f1.osk1.eonet.ne.jp0
121.81.23.74121-81-23-74f1.osk1.eonet.ne.jp0
121.81.23.75121-81-23-75f1.osk1.eonet.ne.jp0
121.81.23.76121-81-23-76f1.osk1.eonet.ne.jp0
121.81.23.77121-81-23-77f1.osk1.eonet.ne.jp0
121.81.23.78121-81-23-78f1.osk1.eonet.ne.jp0
121.81.23.79121-81-23-79f1.osk1.eonet.ne.jp0
121.81.23.80121-81-23-80f1.osk1.eonet.ne.jp0
121.81.23.81121-81-23-81f1.osk1.eonet.ne.jp0
121.81.23.82121-81-23-82f1.osk1.eonet.ne.jp0
121.81.23.83121-81-23-83f1.osk1.eonet.ne.jp0
121.81.23.84121-81-23-84f1.osk1.eonet.ne.jp0
121.81.23.85121-81-23-85f1.osk1.eonet.ne.jp0
121.81.23.86121-81-23-86f1.osk1.eonet.ne.jp0
121.81.23.87121-81-23-87f1.osk1.eonet.ne.jp0
121.81.23.88121-81-23-88f1.osk1.eonet.ne.jp0
121.81.23.89121-81-23-89f1.osk1.eonet.ne.jp0
121.81.23.90121-81-23-90f1.osk1.eonet.ne.jp0
121.81.23.91121-81-23-91f1.osk1.eonet.ne.jp0
121.81.23.92121-81-23-92f1.osk1.eonet.ne.jp0
121.81.23.93121-81-23-93f1.osk1.eonet.ne.jp0
121.81.23.94121-81-23-94f1.osk1.eonet.ne.jp0
121.81.23.95121-81-23-95f1.osk1.eonet.ne.jp0
121.81.23.96121-81-23-96f1.osk1.eonet.ne.jp0
121.81.23.97121-81-23-97f1.osk1.eonet.ne.jp0
121.81.23.98121-81-23-98f1.osk1.eonet.ne.jp0
121.81.23.99121-81-23-99f1.osk1.eonet.ne.jp0
121.81.23.100121-81-23-100f1.osk1.eonet.ne.jp0
121.81.23.101121-81-23-101f1.osk1.eonet.ne.jp0
121.81.23.102121-81-23-102f1.osk1.eonet.ne.jp0
121.81.23.103121-81-23-103f1.osk1.eonet.ne.jp0
121.81.23.104121-81-23-104f1.osk1.eonet.ne.jp0
121.81.23.105121-81-23-105f1.osk1.eonet.ne.jp0
121.81.23.106121-81-23-106f1.osk1.eonet.ne.jp0
121.81.23.107121-81-23-107f1.osk1.eonet.ne.jp0
121.81.23.108121-81-23-108f1.osk1.eonet.ne.jp0
121.81.23.109121-81-23-109f1.osk1.eonet.ne.jp0
121.81.23.110121-81-23-110f1.osk1.eonet.ne.jp0
121.81.23.111121-81-23-111f1.osk1.eonet.ne.jp0
121.81.23.112121-81-23-112f1.osk1.eonet.ne.jp0
121.81.23.113121-81-23-113f1.osk1.eonet.ne.jp0
121.81.23.114121-81-23-114f1.osk1.eonet.ne.jp0
121.81.23.115121-81-23-115f1.osk1.eonet.ne.jp0
121.81.23.116121-81-23-116f1.osk1.eonet.ne.jp0
121.81.23.117121-81-23-117f1.osk1.eonet.ne.jp0
121.81.23.118121-81-23-118f1.osk1.eonet.ne.jp0
121.81.23.119121-81-23-119f1.osk1.eonet.ne.jp0
121.81.23.120121-81-23-120f1.osk1.eonet.ne.jp0
121.81.23.121121-81-23-121f1.osk1.eonet.ne.jp0
121.81.23.122121-81-23-122f1.osk1.eonet.ne.jp0
121.81.23.123121-81-23-123f1.osk1.eonet.ne.jp0
121.81.23.124121-81-23-124f1.osk1.eonet.ne.jp0
121.81.23.125121-81-23-125f1.osk1.eonet.ne.jp0
121.81.23.126121-81-23-126f1.osk1.eonet.ne.jp0
121.81.23.127121-81-23-127f1.osk1.eonet.ne.jp0
121.81.23.128121-81-23-128f1.osk1.eonet.ne.jp0
121.81.23.129121-81-23-129f1.osk1.eonet.ne.jp0
121.81.23.130121-81-23-130f1.osk1.eonet.ne.jp0
121.81.23.131121-81-23-131f1.osk1.eonet.ne.jp0
121.81.23.132121-81-23-132f1.osk1.eonet.ne.jp0
121.81.23.133121-81-23-133f1.osk1.eonet.ne.jp0
121.81.23.134121-81-23-134f1.osk1.eonet.ne.jp0
121.81.23.135121-81-23-135f1.osk1.eonet.ne.jp0
121.81.23.136121-81-23-136f1.osk1.eonet.ne.jp0
121.81.23.137121-81-23-137f1.osk1.eonet.ne.jp0
121.81.23.138121-81-23-138f1.osk1.eonet.ne.jp0
121.81.23.139121-81-23-139f1.osk1.eonet.ne.jp0
121.81.23.140121-81-23-140f1.osk1.eonet.ne.jp0
121.81.23.141121-81-23-141f1.osk1.eonet.ne.jp0
121.81.23.142121-81-23-142f1.osk1.eonet.ne.jp0
121.81.23.143121-81-23-143f1.osk1.eonet.ne.jp0
121.81.23.144121-81-23-144f1.osk1.eonet.ne.jp0
121.81.23.145121-81-23-145f1.osk1.eonet.ne.jp0
121.81.23.146121-81-23-146f1.osk1.eonet.ne.jp0
121.81.23.147121-81-23-147f1.osk1.eonet.ne.jp0
121.81.23.148121-81-23-148f1.osk1.eonet.ne.jp0
121.81.23.149121-81-23-149f1.osk1.eonet.ne.jp0
121.81.23.150121-81-23-150f1.osk1.eonet.ne.jp0
121.81.23.151121-81-23-151f1.osk1.eonet.ne.jp0
121.81.23.152121-81-23-152f1.osk1.eonet.ne.jp0
121.81.23.153121-81-23-153f1.osk1.eonet.ne.jp0
121.81.23.154121-81-23-154f1.osk1.eonet.ne.jp0
121.81.23.155121-81-23-155f1.osk1.eonet.ne.jp0
121.81.23.156121-81-23-156f1.osk1.eonet.ne.jp0
121.81.23.157121-81-23-157f1.osk1.eonet.ne.jp0
121.81.23.158121-81-23-158f1.osk1.eonet.ne.jp0
121.81.23.159121-81-23-159f1.osk1.eonet.ne.jp0
121.81.23.160121-81-23-160f1.osk1.eonet.ne.jp0
121.81.23.161121-81-23-161f1.osk1.eonet.ne.jp0
121.81.23.162121-81-23-162f1.osk1.eonet.ne.jp0
121.81.23.163121-81-23-163f1.osk1.eonet.ne.jp0
121.81.23.164121-81-23-164f1.osk1.eonet.ne.jp0
121.81.23.165121-81-23-165f1.osk1.eonet.ne.jp0
121.81.23.166121-81-23-166f1.osk1.eonet.ne.jp0
121.81.23.167121-81-23-167f1.osk1.eonet.ne.jp0
121.81.23.168121-81-23-168f1.osk1.eonet.ne.jp0
121.81.23.169121-81-23-169f1.osk1.eonet.ne.jp0
121.81.23.170121-81-23-170f1.osk1.eonet.ne.jp0
121.81.23.171121-81-23-171f1.osk1.eonet.ne.jp0
121.81.23.172121-81-23-172f1.osk1.eonet.ne.jp0
121.81.23.173121-81-23-173f1.osk1.eonet.ne.jp0
121.81.23.174121-81-23-174f1.osk1.eonet.ne.jp0
121.81.23.175121-81-23-175f1.osk1.eonet.ne.jp0
121.81.23.176121-81-23-176f1.osk1.eonet.ne.jp0
121.81.23.177121-81-23-177f1.osk1.eonet.ne.jp0
121.81.23.178121-81-23-178f1.osk1.eonet.ne.jp0
121.81.23.179121-81-23-179f1.osk1.eonet.ne.jp0
121.81.23.180121-81-23-180f1.osk1.eonet.ne.jp0
121.81.23.181121-81-23-181f1.osk1.eonet.ne.jp0
121.81.23.182121-81-23-182f1.osk1.eonet.ne.jp0
121.81.23.183121-81-23-183f1.osk1.eonet.ne.jp0
121.81.23.184121-81-23-184f1.osk1.eonet.ne.jp0
121.81.23.185121-81-23-185f1.osk1.eonet.ne.jp0
121.81.23.186121-81-23-186f1.osk1.eonet.ne.jp0
121.81.23.187121-81-23-187f1.osk1.eonet.ne.jp0
121.81.23.188121-81-23-188f1.osk1.eonet.ne.jp0
121.81.23.189121-81-23-189f1.osk1.eonet.ne.jp0
121.81.23.190121-81-23-190f1.osk1.eonet.ne.jp0
121.81.23.191121-81-23-191f1.osk1.eonet.ne.jp0
121.81.23.192121-81-23-192f1.osk1.eonet.ne.jp0
121.81.23.193121-81-23-193f1.osk1.eonet.ne.jp0
121.81.23.194121-81-23-194f1.osk1.eonet.ne.jp0
121.81.23.195121-81-23-195f1.osk1.eonet.ne.jp0
121.81.23.196121-81-23-196f1.osk1.eonet.ne.jp0
121.81.23.197121-81-23-197f1.osk1.eonet.ne.jp0
121.81.23.198121-81-23-198f1.osk1.eonet.ne.jp0
121.81.23.199121-81-23-199f1.osk1.eonet.ne.jp0
121.81.23.200121-81-23-200f1.osk1.eonet.ne.jp0
121.81.23.201121-81-23-201f1.osk1.eonet.ne.jp0
121.81.23.202121-81-23-202f1.osk1.eonet.ne.jp0
121.81.23.203121-81-23-203f1.osk1.eonet.ne.jp0
121.81.23.204121-81-23-204f1.osk1.eonet.ne.jp0
121.81.23.205121-81-23-205f1.osk1.eonet.ne.jp0
121.81.23.206121-81-23-206f1.osk1.eonet.ne.jp0
121.81.23.207121-81-23-207f1.osk1.eonet.ne.jp0
121.81.23.208121-81-23-208f1.osk1.eonet.ne.jp0
121.81.23.209121-81-23-209f1.osk1.eonet.ne.jp0
121.81.23.210121-81-23-210f1.osk1.eonet.ne.jp0
121.81.23.211121-81-23-211f1.osk1.eonet.ne.jp0
121.81.23.212121-81-23-212f1.osk1.eonet.ne.jp0
121.81.23.213121-81-23-213f1.osk1.eonet.ne.jp0
121.81.23.214121-81-23-214f1.osk1.eonet.ne.jp0
121.81.23.215121-81-23-215f1.osk1.eonet.ne.jp0
121.81.23.216121-81-23-216f1.osk1.eonet.ne.jp0
121.81.23.217121-81-23-217f1.osk1.eonet.ne.jp0
121.81.23.218121-81-23-218f1.osk1.eonet.ne.jp0
121.81.23.219121-81-23-219f1.osk1.eonet.ne.jp0
121.81.23.220121-81-23-220f1.osk1.eonet.ne.jp0
121.81.23.221121-81-23-221f1.osk1.eonet.ne.jp0
121.81.23.222121-81-23-222f1.osk1.eonet.ne.jp0
121.81.23.223121-81-23-223f1.osk1.eonet.ne.jp0
121.81.23.224121-81-23-224f1.osk1.eonet.ne.jp0
121.81.23.225121-81-23-225f1.osk1.eonet.ne.jp0
121.81.23.226121-81-23-226f1.osk1.eonet.ne.jp0
121.81.23.227121-81-23-227f1.osk1.eonet.ne.jp0
121.81.23.228121-81-23-228f1.osk1.eonet.ne.jp0
121.81.23.229121-81-23-229f1.osk1.eonet.ne.jp0
121.81.23.230121-81-23-230f1.osk1.eonet.ne.jp0
121.81.23.231121-81-23-231f1.osk1.eonet.ne.jp0
121.81.23.232121-81-23-232f1.osk1.eonet.ne.jp0
121.81.23.233121-81-23-233f1.osk1.eonet.ne.jp0
121.81.23.234121-81-23-234f1.osk1.eonet.ne.jp0
121.81.23.235121-81-23-235f1.osk1.eonet.ne.jp0
121.81.23.236121-81-23-236f1.osk1.eonet.ne.jp0
121.81.23.237121-81-23-237f1.osk1.eonet.ne.jp0
121.81.23.238121-81-23-238f1.osk1.eonet.ne.jp0
121.81.23.239121-81-23-239f1.osk1.eonet.ne.jp0
121.81.23.240121-81-23-240f1.osk1.eonet.ne.jp0
121.81.23.241121-81-23-241f1.osk1.eonet.ne.jp0
121.81.23.242121-81-23-242f1.osk1.eonet.ne.jp0
121.81.23.243121-81-23-243f1.osk1.eonet.ne.jp0
121.81.23.244121-81-23-244f1.osk1.eonet.ne.jp0
121.81.23.245121-81-23-245f1.osk1.eonet.ne.jp0
121.81.23.246121-81-23-246f1.osk1.eonet.ne.jp0
121.81.23.247121-81-23-247f1.osk1.eonet.ne.jp0
121.81.23.248121-81-23-248f1.osk1.eonet.ne.jp0
121.81.23.249121-81-23-249f1.osk1.eonet.ne.jp0
121.81.23.250121-81-23-250f1.osk1.eonet.ne.jp0
121.81.23.251121-81-23-251f1.osk1.eonet.ne.jp0
121.81.23.252121-81-23-252f1.osk1.eonet.ne.jp0
121.81.23.253121-81-23-253f1.osk1.eonet.ne.jp0
121.81.23.254121-81-23-254f1.osk1.eonet.ne.jp0
121.81.23.255121-81-23-255f1.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 121.81.23.184
traceroute to 121.81.23.184 (121.81.23.184): 64 hops max, 52 byte packets
3 [AS16509] 99.83.70.50 1.045 ms
4 [AS16509] 99.83.70.51 1.023 ms
6 [AS17511] 61.205.119.14 1.341 ms
8 [AS17511] 121.81.23.184 1.367 ms
Measurement taken from  IPinfo ProbeNet in Osaka, JP
On