Summary

ASN	AS59 University of Wisconsin Madison
BGP	128.104.0.0/16
IPs with RDNS	230
Hosted Domains	0
Pingable IPs	0
Router IPs	0


128.104.241.0	—	0
128.104.241.1	—	0
128.104.241.2	—	0
128.104.241.3	—	0
128.104.241.4	—	0
128.104.241.5	—	0
128.104.241.6	—	0
128.104.241.7	—	0
128.104.241.8	—	0
128.104.241.9	—	0
128.104.241.10	—	0
128.104.241.11	—	0
128.104.241.12	—	0
128.104.241.13	—	0
128.104.241.14	—	0
128.104.241.15	—	0
128.104.241.16	—	0
128.104.241.17	—	0
128.104.241.18	—	0
128.104.241.19	—	0
128.104.241.20	—	0
128.104.241.21	—	0
128.104.241.22	—	0
128.104.241.23	—	0
128.104.241.24	—	0
128.104.241.25	dyn-128-104-241-25.wisc.edu	0
128.104.241.26	dyn-128-104-241-26.wisc.edu	0
128.104.241.27	dyn-128-104-241-27.wisc.edu	0
128.104.241.28	dyn-128-104-241-28.wisc.edu	0
128.104.241.29	dyn-128-104-241-29.wisc.edu	0
128.104.241.30	dyn-128-104-241-30.wisc.edu	0
128.104.241.31	dyn-128-104-241-31.wisc.edu	0
128.104.241.32	dyn-128-104-241-32.wisc.edu	0
128.104.241.33	dyn-128-104-241-33.wisc.edu	0
128.104.241.34	dyn-128-104-241-34.wisc.edu	0
128.104.241.35	dyn-128-104-241-35.wisc.edu	0
128.104.241.36	dyn-128-104-241-36.wisc.edu	0
128.104.241.37	dyn-128-104-241-37.wisc.edu	0
128.104.241.38	dyn-128-104-241-38.wisc.edu	0
128.104.241.39	dyn-128-104-241-39.wisc.edu	0
128.104.241.40	dyn-128-104-241-40.wisc.edu	0
128.104.241.41	dyn-128-104-241-41.wisc.edu	0
128.104.241.42	dyn-128-104-241-42.wisc.edu	0
128.104.241.43	dyn-128-104-241-43.wisc.edu	0
128.104.241.44	dyn-128-104-241-44.wisc.edu	0
128.104.241.45	dyn-128-104-241-45.wisc.edu	0
128.104.241.46	dyn-128-104-241-46.wisc.edu	0
128.104.241.47	dyn-128-104-241-47.wisc.edu	0
128.104.241.48	dyn-128-104-241-48.wisc.edu	0
128.104.241.49	dyn-128-104-241-49.wisc.edu	0
128.104.241.50	dyn-128-104-241-50.wisc.edu	0
128.104.241.51	dyn-128-104-241-51.wisc.edu	0
128.104.241.52	dyn-128-104-241-52.wisc.edu	0
128.104.241.53	dyn-128-104-241-53.wisc.edu	0
128.104.241.54	dyn-128-104-241-54.wisc.edu	0
128.104.241.55	dyn-128-104-241-55.wisc.edu	0
128.104.241.56	dyn-128-104-241-56.wisc.edu	0
128.104.241.57	dyn-128-104-241-57.wisc.edu	0
128.104.241.58	dyn-128-104-241-58.wisc.edu	0
128.104.241.59	dyn-128-104-241-59.wisc.edu	0
128.104.241.60	dyn-128-104-241-60.wisc.edu	0
128.104.241.61	dyn-128-104-241-61.wisc.edu	0
128.104.241.62	dyn-128-104-241-62.wisc.edu	0
128.104.241.63	dyn-128-104-241-63.wisc.edu	0
128.104.241.64	dyn-128-104-241-64.wisc.edu	0
128.104.241.65	dyn-128-104-241-65.wisc.edu	0
128.104.241.66	dyn-128-104-241-66.wisc.edu	0
128.104.241.67	dyn-128-104-241-67.wisc.edu	0
128.104.241.68	dyn-128-104-241-68.wisc.edu	0
128.104.241.69	dyn-128-104-241-69.wisc.edu	0
128.104.241.70	dyn-128-104-241-70.wisc.edu	0
128.104.241.71	dyn-128-104-241-71.wisc.edu	0
128.104.241.72	dyn-128-104-241-72.wisc.edu	0
128.104.241.73	dyn-128-104-241-73.wisc.edu	0
128.104.241.74	dyn-128-104-241-74.wisc.edu	0
128.104.241.75	dyn-128-104-241-75.wisc.edu	0
128.104.241.76	dyn-128-104-241-76.wisc.edu	0
128.104.241.77	dyn-128-104-241-77.wisc.edu	0
128.104.241.78	dyn-128-104-241-78.wisc.edu	0
128.104.241.79	dyn-128-104-241-79.wisc.edu	0
128.104.241.80	dyn-128-104-241-80.wisc.edu	0
128.104.241.81	dyn-128-104-241-81.wisc.edu	0
128.104.241.82	dyn-128-104-241-82.wisc.edu	0
128.104.241.83	dyn-128-104-241-83.wisc.edu	0
128.104.241.84	dyn-128-104-241-84.wisc.edu	0
128.104.241.85	dyn-128-104-241-85.wisc.edu	0
128.104.241.86	dyn-128-104-241-86.wisc.edu	0
128.104.241.87	dyn-128-104-241-87.wisc.edu	0
128.104.241.88	dyn-128-104-241-88.wisc.edu	0
128.104.241.89	dyn-128-104-241-89.wisc.edu	0
128.104.241.90	dyn-128-104-241-90.wisc.edu	0
128.104.241.91	dyn-128-104-241-91.wisc.edu	0
128.104.241.92	dyn-128-104-241-92.wisc.edu	0
128.104.241.93	dyn-128-104-241-93.wisc.edu	0
128.104.241.94	dyn-128-104-241-94.wisc.edu	0
128.104.241.95	dyn-128-104-241-95.wisc.edu	0
128.104.241.96	dyn-128-104-241-96.wisc.edu	0
128.104.241.97	dyn-128-104-241-97.wisc.edu	0
128.104.241.98	dyn-128-104-241-98.wisc.edu	0
128.104.241.99	dyn-128-104-241-99.wisc.edu	0
128.104.241.100	dyn-128-104-241-100.wisc.edu	0
128.104.241.101	dyn-128-104-241-101.wisc.edu	0
128.104.241.102	dyn-128-104-241-102.wisc.edu	0
128.104.241.103	dyn-128-104-241-103.wisc.edu	0
128.104.241.104	dyn-128-104-241-104.wisc.edu	0
128.104.241.105	dyn-128-104-241-105.wisc.edu	0
128.104.241.106	dyn-128-104-241-106.wisc.edu	0
128.104.241.107	dyn-128-104-241-107.wisc.edu	0
128.104.241.108	dyn-128-104-241-108.wisc.edu	0
128.104.241.109	dyn-128-104-241-109.wisc.edu	0
128.104.241.110	dyn-128-104-241-110.wisc.edu	0
128.104.241.111	dyn-128-104-241-111.wisc.edu	0
128.104.241.112	dyn-128-104-241-112.wisc.edu	0
128.104.241.113	dyn-128-104-241-113.wisc.edu	0
128.104.241.114	dyn-128-104-241-114.wisc.edu	0
128.104.241.115	dyn-128-104-241-115.wisc.edu	0
128.104.241.116	dyn-128-104-241-116.wisc.edu	0
128.104.241.117	dyn-128-104-241-117.wisc.edu	0
128.104.241.118	dyn-128-104-241-118.wisc.edu	0
128.104.241.119	dyn-128-104-241-119.wisc.edu	0
128.104.241.120	dyn-128-104-241-120.wisc.edu	0
128.104.241.121	dyn-128-104-241-121.wisc.edu	0
128.104.241.122	dyn-128-104-241-122.wisc.edu	0
128.104.241.123	dyn-128-104-241-123.wisc.edu	0
128.104.241.124	dyn-128-104-241-124.wisc.edu	0
128.104.241.125	dyn-128-104-241-125.wisc.edu	0
128.104.241.126	dyn-128-104-241-126.wisc.edu	0
128.104.241.127	dyn-128-104-241-127.wisc.edu	0
128.104.241.128	dyn-128-104-241-128.wisc.edu	0
128.104.241.129	dyn-128-104-241-129.wisc.edu	0
128.104.241.130	dyn-128-104-241-130.wisc.edu	0
128.104.241.131	dyn-128-104-241-131.wisc.edu	0
128.104.241.132	dyn-128-104-241-132.wisc.edu	0
128.104.241.133	dyn-128-104-241-133.wisc.edu	0
128.104.241.134	dyn-128-104-241-134.wisc.edu	0
128.104.241.135	dyn-128-104-241-135.wisc.edu	0
128.104.241.136	dyn-128-104-241-136.wisc.edu	0
128.104.241.137	dyn-128-104-241-137.wisc.edu	0
128.104.241.138	dyn-128-104-241-138.wisc.edu	0
128.104.241.139	dyn-128-104-241-139.wisc.edu	0
128.104.241.140	dyn-128-104-241-140.wisc.edu	0
128.104.241.141	dyn-128-104-241-141.wisc.edu	0
128.104.241.142	dyn-128-104-241-142.wisc.edu	0
128.104.241.143	dyn-128-104-241-143.wisc.edu	0
128.104.241.144	dyn-128-104-241-144.wisc.edu	0
128.104.241.145	dyn-128-104-241-145.wisc.edu	0
128.104.241.146	dyn-128-104-241-146.wisc.edu	0
128.104.241.147	dyn-128-104-241-147.wisc.edu	0
128.104.241.148	dyn-128-104-241-148.wisc.edu	0
128.104.241.149	dyn-128-104-241-149.wisc.edu	0
128.104.241.150	dyn-128-104-241-150.wisc.edu	0
128.104.241.151	dyn-128-104-241-151.wisc.edu	0
128.104.241.152	dyn-128-104-241-152.wisc.edu	0
128.104.241.153	dyn-128-104-241-153.wisc.edu	0
128.104.241.154	dyn-128-104-241-154.wisc.edu	0
128.104.241.155	dyn-128-104-241-155.wisc.edu	0
128.104.241.156	dyn-128-104-241-156.wisc.edu	0
128.104.241.157	dyn-128-104-241-157.wisc.edu	0
128.104.241.158	dyn-128-104-241-158.wisc.edu	0
128.104.241.159	dyn-128-104-241-159.wisc.edu	0
128.104.241.160	dyn-128-104-241-160.wisc.edu	0
128.104.241.161	dyn-128-104-241-161.wisc.edu	0
128.104.241.162	dyn-128-104-241-162.wisc.edu	0
128.104.241.163	dyn-128-104-241-163.wisc.edu	0
128.104.241.164	dyn-128-104-241-164.wisc.edu	0
128.104.241.165	dyn-128-104-241-165.wisc.edu	0
128.104.241.166	dyn-128-104-241-166.wisc.edu	0
128.104.241.167	dyn-128-104-241-167.wisc.edu	0
128.104.241.168	dyn-128-104-241-168.wisc.edu	0
128.104.241.169	dyn-128-104-241-169.wisc.edu	0
128.104.241.170	dyn-128-104-241-170.wisc.edu	0
128.104.241.171	dyn-128-104-241-171.wisc.edu	0
128.104.241.172	dyn-128-104-241-172.wisc.edu	0
128.104.241.173	dyn-128-104-241-173.wisc.edu	0
128.104.241.174	dyn-128-104-241-174.wisc.edu	0
128.104.241.175	dyn-128-104-241-175.wisc.edu	0
128.104.241.176	dyn-128-104-241-176.wisc.edu	0
128.104.241.177	dyn-128-104-241-177.wisc.edu	0
128.104.241.178	dyn-128-104-241-178.wisc.edu	0
128.104.241.179	dyn-128-104-241-179.wisc.edu	0
128.104.241.180	dyn-128-104-241-180.wisc.edu	0
128.104.241.181	dyn-128-104-241-181.wisc.edu	0
128.104.241.182	dyn-128-104-241-182.wisc.edu	0
128.104.241.183	dyn-128-104-241-183.wisc.edu	0
128.104.241.184	dyn-128-104-241-184.wisc.edu	0
128.104.241.185	dyn-128-104-241-185.wisc.edu	0
128.104.241.186	dyn-128-104-241-186.wisc.edu	0
128.104.241.187	dyn-128-104-241-187.wisc.edu	0
128.104.241.188	dyn-128-104-241-188.wisc.edu	0
128.104.241.189	dyn-128-104-241-189.wisc.edu	0
128.104.241.190	dyn-128-104-241-190.wisc.edu	0
128.104.241.191	dyn-128-104-241-191.wisc.edu	0
128.104.241.192	dyn-128-104-241-192.wisc.edu	0
128.104.241.193	dyn-128-104-241-193.wisc.edu	0
128.104.241.194	dyn-128-104-241-194.wisc.edu	0
128.104.241.195	dyn-128-104-241-195.wisc.edu	0
128.104.241.196	dyn-128-104-241-196.wisc.edu	0
128.104.241.197	dyn-128-104-241-197.wisc.edu	0
128.104.241.198	dyn-128-104-241-198.wisc.edu	0
128.104.241.199	dyn-128-104-241-199.wisc.edu	0
128.104.241.200	dyn-128-104-241-200.wisc.edu	0
128.104.241.201	dyn-128-104-241-201.wisc.edu	0
128.104.241.202	dyn-128-104-241-202.wisc.edu	0
128.104.241.203	dyn-128-104-241-203.wisc.edu	0
128.104.241.204	dyn-128-104-241-204.wisc.edu	0
128.104.241.205	dyn-128-104-241-205.wisc.edu	0
128.104.241.206	dyn-128-104-241-206.wisc.edu	0
128.104.241.207	dyn-128-104-241-207.wisc.edu	0
128.104.241.208	dyn-128-104-241-208.wisc.edu	0
128.104.241.209	dyn-128-104-241-209.wisc.edu	0
128.104.241.210	dyn-128-104-241-210.wisc.edu	0
128.104.241.211	dyn-128-104-241-211.wisc.edu	0
128.104.241.212	dyn-128-104-241-212.wisc.edu	0
128.104.241.213	dyn-128-104-241-213.wisc.edu	0
128.104.241.214	dyn-128-104-241-214.wisc.edu	0
128.104.241.215	dyn-128-104-241-215.wisc.edu	0
128.104.241.216	dyn-128-104-241-216.wisc.edu	0
128.104.241.217	dyn-128-104-241-217.wisc.edu	0
128.104.241.218	dyn-128-104-241-218.wisc.edu	0
128.104.241.219	dyn-128-104-241-219.wisc.edu	0
128.104.241.220	dyn-128-104-241-220.wisc.edu	0
128.104.241.221	dyn-128-104-241-221.wisc.edu	0
128.104.241.222	dyn-128-104-241-222.wisc.edu	0
128.104.241.223	dyn-128-104-241-223.wisc.edu	0
128.104.241.224	dyn-128-104-241-224.wisc.edu	0
128.104.241.225	dyn-128-104-241-225.wisc.edu	0
128.104.241.226	dyn-128-104-241-226.wisc.edu	0
128.104.241.227	dyn-128-104-241-227.wisc.edu	0
128.104.241.228	dyn-128-104-241-228.wisc.edu	0
128.104.241.229	dyn-128-104-241-229.wisc.edu	0
128.104.241.230	dyn-128-104-241-230.wisc.edu	0
128.104.241.231	dyn-128-104-241-231.wisc.edu	0
128.104.241.232	dyn-128-104-241-232.wisc.edu	0
128.104.241.233	dyn-128-104-241-233.wisc.edu	0
128.104.241.234	dyn-128-104-241-234.wisc.edu	0
128.104.241.235	dyn-128-104-241-235.wisc.edu	0
128.104.241.236	dyn-128-104-241-236.wisc.edu	0
128.104.241.237	dyn-128-104-241-237.wisc.edu	0
128.104.241.238	dyn-128-104-241-238.wisc.edu	0
128.104.241.239	dyn-128-104-241-239.wisc.edu	0
128.104.241.240	dyn-128-104-241-240.wisc.edu	0
128.104.241.241	dyn-128-104-241-241.wisc.edu	0
128.104.241.242	dyn-128-104-241-242.wisc.edu	0
128.104.241.243	dyn-128-104-241-243.wisc.edu	0
128.104.241.244	dyn-128-104-241-244.wisc.edu	0
128.104.241.245	dyn-128-104-241-245.wisc.edu	0
128.104.241.246	dyn-128-104-241-246.wisc.edu	0
128.104.241.247	dyn-128-104-241-247.wisc.edu	0
128.104.241.248	dyn-128-104-241-248.wisc.edu	0
128.104.241.249	dyn-128-104-241-249.wisc.edu	0
128.104.241.250	dyn-128-104-241-250.wisc.edu	0
128.104.241.251	dyn-128-104-241-251.wisc.edu	0
128.104.241.252	dyn-128-104-241-252.wisc.edu	0
128.104.241.253	dyn-128-104-241-253.wisc.edu	0
128.104.241.254	dyn-128-104-241-254.wisc.edu	0
128.104.241.255	—	0

Traceroute

Below is a recent traceroute taken from the IPinfo ProbeNet to an IP in this range. Learn more.

traceroute -a -n -q1 -f5 -m9 128.104.241.19

traceroute to 128.104.241.19 (128.104.241.19): 9 hops max, 52 byte packets

5 [AS215859] 5.223.0.81 0.421 ms

6 [] 103.16.102.81 1.527 ms

7 *

8 *

9 *

Measurement taken from

IPinfo ProbeNet in Singapore, SG

On January 9th 2026