Summary

ASN	AS2 University of Delaware
BGP	128.4.0.0/16
IPs with RDNS	254
Hosted Domains	0
Pingable IPs	3
Router IPs	1


128.4.41.0	—	0
128.4.41.1	hh-core2-irb-1909.nis.udel.edu	0
128.4.41.2	fw-ne37-110-21-vrrp-e1-41-1001-s.nis.udel.edu	0
128.4.41.3	fw-ne37-110-21-vrrp-e1-41-1001-s.nis.udel.edu	0
128.4.41.4	fw-nc46-15-1-vrrp-e1-41-1001-sec.nis.udel.edu	0
128.4.41.5	wifi-onat-128-4-41-5.wifi.udel.edu	0
128.4.41.6	wifi-onat-128-4-41-6.wifi.udel.edu	0
128.4.41.7	wifi-onat-128-4-41-7.wifi.udel.edu	0
128.4.41.8	wifi-onat-128-4-41-8.wifi.udel.edu	0
128.4.41.9	wifi-onat-128-4-41-9.wifi.udel.edu	0
128.4.41.10	wifi-roaming-128-4-41-10.wifi.udel.edu	0
128.4.41.11	wifi-roaming-128-4-41-11.wifi.udel.edu	0
128.4.41.12	wifi-roaming-128-4-41-12.wifi.udel.edu	0
128.4.41.13	wifi-roaming-128-4-41-13.wifi.udel.edu	0
128.4.41.14	wifi-roaming-128-4-41-14.wifi.udel.edu	0
128.4.41.15	wifi-roaming-128-4-41-15.wifi.udel.edu	0
128.4.41.16	wifi-roaming-128-4-41-16.wifi.udel.edu	0
128.4.41.17	wifi-roaming-128-4-41-17.wifi.udel.edu	0
128.4.41.18	wifi-roaming-128-4-41-18.wifi.udel.edu	0
128.4.41.19	wifi-roaming-128-4-41-19.wifi.udel.edu	0
128.4.41.20	wifi-roaming-128-4-41-20.wifi.udel.edu	0
128.4.41.21	wifi-roaming-128-4-41-21.wifi.udel.edu	0
128.4.41.22	wifi-roaming-128-4-41-22.wifi.udel.edu	0
128.4.41.23	wifi-roaming-128-4-41-23.wifi.udel.edu	0
128.4.41.24	wifi-roaming-128-4-41-24.wifi.udel.edu	0
128.4.41.25	wifi-roaming-128-4-41-25.wifi.udel.edu	0
128.4.41.26	wifi-roaming-128-4-41-26.wifi.udel.edu	0
128.4.41.27	wifi-roaming-128-4-41-27.wifi.udel.edu	0
128.4.41.28	wifi-roaming-128-4-41-28.wifi.udel.edu	0
128.4.41.29	wifi-roaming-128-4-41-29.wifi.udel.edu	0
128.4.41.30	wifi-roaming-128-4-41-30.wifi.udel.edu	0
128.4.41.31	wifi-roaming-128-4-41-31.wifi.udel.edu	0
128.4.41.32	wifi-roaming-128-4-41-32.wifi.udel.edu	0
128.4.41.33	wifi-roaming-128-4-41-33.wifi.udel.edu	0
128.4.41.34	wifi-roaming-128-4-41-34.wifi.udel.edu	0
128.4.41.35	wifi-roaming-128-4-41-35.wifi.udel.edu	0
128.4.41.36	wifi-roaming-128-4-41-36.wifi.udel.edu	0
128.4.41.37	wifi-roaming-128-4-41-37.wifi.udel.edu	0
128.4.41.38	wifi-roaming-128-4-41-38.wifi.udel.edu	0
128.4.41.39	wifi-roaming-128-4-41-39.wifi.udel.edu	0
128.4.41.40	wifi-roaming-128-4-41-40.wifi.udel.edu	0
128.4.41.41	wifi-roaming-128-4-41-41.wifi.udel.edu	0
128.4.41.42	wifi-roaming-128-4-41-42.wifi.udel.edu	0
128.4.41.43	wifi-roaming-128-4-41-43.wifi.udel.edu	0
128.4.41.44	wifi-roaming-128-4-41-44.wifi.udel.edu	0
128.4.41.45	wifi-roaming-128-4-41-45.wifi.udel.edu	0
128.4.41.46	wifi-roaming-128-4-41-46.wifi.udel.edu	0
128.4.41.47	wifi-roaming-128-4-41-47.wifi.udel.edu	0
128.4.41.48	wifi-roaming-128-4-41-48.wifi.udel.edu	0
128.4.41.49	wifi-roaming-128-4-41-49.wifi.udel.edu	0
128.4.41.50	wifi-roaming-128-4-41-50.wifi.udel.edu	0
128.4.41.51	wifi-roaming-128-4-41-51.wifi.udel.edu	0
128.4.41.52	wifi-roaming-128-4-41-52.wifi.udel.edu	0
128.4.41.53	wifi-roaming-128-4-41-53.wifi.udel.edu	0
128.4.41.54	wifi-roaming-128-4-41-54.wifi.udel.edu	0
128.4.41.55	wifi-roaming-128-4-41-55.wifi.udel.edu	0
128.4.41.56	wifi-roaming-128-4-41-56.wifi.udel.edu	0
128.4.41.57	wifi-roaming-128-4-41-57.wifi.udel.edu	0
128.4.41.58	wifi-roaming-128-4-41-58.wifi.udel.edu	0
128.4.41.59	wifi-roaming-128-4-41-59.wifi.udel.edu	0
128.4.41.60	wifi-roaming-128-4-41-60.wifi.udel.edu	0
128.4.41.61	wifi-roaming-128-4-41-61.wifi.udel.edu	0
128.4.41.62	wifi-roaming-128-4-41-62.wifi.udel.edu	0
128.4.41.63	wifi-roaming-128-4-41-63.wifi.udel.edu	0
128.4.41.64	wifi-roaming-128-4-41-64.wifi.udel.edu	0
128.4.41.65	wifi-roaming-128-4-41-65.wifi.udel.edu	0
128.4.41.66	wifi-roaming-128-4-41-66.wifi.udel.edu	0
128.4.41.67	wifi-roaming-128-4-41-67.wifi.udel.edu	0
128.4.41.68	wifi-roaming-128-4-41-68.wifi.udel.edu	0
128.4.41.69	wifi-roaming-128-4-41-69.wifi.udel.edu	0
128.4.41.70	wifi-roaming-128-4-41-70.wifi.udel.edu	0
128.4.41.71	wifi-roaming-128-4-41-71.wifi.udel.edu	0
128.4.41.72	wifi-roaming-128-4-41-72.wifi.udel.edu	0
128.4.41.73	wifi-roaming-128-4-41-73.wifi.udel.edu	0
128.4.41.74	wifi-roaming-128-4-41-74.wifi.udel.edu	0
128.4.41.75	wifi-roaming-128-4-41-75.wifi.udel.edu	0
128.4.41.76	wifi-roaming-128-4-41-76.wifi.udel.edu	0
128.4.41.77	wifi-roaming-128-4-41-77.wifi.udel.edu	0
128.4.41.78	wifi-roaming-128-4-41-78.wifi.udel.edu	0
128.4.41.79	wifi-roaming-128-4-41-79.wifi.udel.edu	0
128.4.41.80	wifi-roaming-128-4-41-80.wifi.udel.edu	0
128.4.41.81	wifi-roaming-128-4-41-81.wifi.udel.edu	0
128.4.41.82	wifi-roaming-128-4-41-82.wifi.udel.edu	0
128.4.41.83	wifi-roaming-128-4-41-83.wifi.udel.edu	0
128.4.41.84	wifi-roaming-128-4-41-84.wifi.udel.edu	0
128.4.41.85	wifi-roaming-128-4-41-85.wifi.udel.edu	0
128.4.41.86	wifi-roaming-128-4-41-86.wifi.udel.edu	0
128.4.41.87	wifi-roaming-128-4-41-87.wifi.udel.edu	0
128.4.41.88	wifi-roaming-128-4-41-88.wifi.udel.edu	0
128.4.41.89	wifi-roaming-128-4-41-89.wifi.udel.edu	0
128.4.41.90	wifi-roaming-128-4-41-90.wifi.udel.edu	0
128.4.41.91	wifi-roaming-128-4-41-91.wifi.udel.edu	0
128.4.41.92	wifi-roaming-128-4-41-92.wifi.udel.edu	0
128.4.41.93	wifi-roaming-128-4-41-93.wifi.udel.edu	0
128.4.41.94	wifi-roaming-128-4-41-94.wifi.udel.edu	0
128.4.41.95	wifi-roaming-128-4-41-95.wifi.udel.edu	0
128.4.41.96	wifi-roaming-128-4-41-96.wifi.udel.edu	0
128.4.41.97	wifi-roaming-128-4-41-97.wifi.udel.edu	0
128.4.41.98	wifi-roaming-128-4-41-98.wifi.udel.edu	0
128.4.41.99	wifi-roaming-128-4-41-99.wifi.udel.edu	0
128.4.41.100	wifi-roaming-128-4-41-100.wifi.udel.edu	0
128.4.41.101	wifi-roaming-128-4-41-101.wifi.udel.edu	0
128.4.41.102	wifi-roaming-128-4-41-102.wifi.udel.edu	0
128.4.41.103	wifi-roaming-128-4-41-103.wifi.udel.edu	0
128.4.41.104	wifi-roaming-128-4-41-104.wifi.udel.edu	0
128.4.41.105	wifi-roaming-128-4-41-105.wifi.udel.edu	0
128.4.41.106	wifi-roaming-128-4-41-106.wifi.udel.edu	0
128.4.41.107	wifi-roaming-128-4-41-107.wifi.udel.edu	0
128.4.41.108	wifi-roaming-128-4-41-108.wifi.udel.edu	0
128.4.41.109	wifi-roaming-128-4-41-109.wifi.udel.edu	0
128.4.41.110	wifi-roaming-128-4-41-110.wifi.udel.edu	0
128.4.41.111	wifi-roaming-128-4-41-111.wifi.udel.edu	0
128.4.41.112	wifi-roaming-128-4-41-112.wifi.udel.edu	0
128.4.41.113	wifi-roaming-128-4-41-113.wifi.udel.edu	0
128.4.41.114	wifi-roaming-128-4-41-114.wifi.udel.edu	0
128.4.41.115	wifi-roaming-128-4-41-115.wifi.udel.edu	0
128.4.41.116	wifi-roaming-128-4-41-116.wifi.udel.edu	0
128.4.41.117	wifi-roaming-128-4-41-117.wifi.udel.edu	0
128.4.41.118	wifi-roaming-128-4-41-118.wifi.udel.edu	0
128.4.41.119	wifi-roaming-128-4-41-119.wifi.udel.edu	0
128.4.41.120	wifi-roaming-128-4-41-120.wifi.udel.edu	0
128.4.41.121	wifi-roaming-128-4-41-121.wifi.udel.edu	0
128.4.41.122	wifi-roaming-128-4-41-122.wifi.udel.edu	0
128.4.41.123	wifi-roaming-128-4-41-123.wifi.udel.edu	0
128.4.41.124	wifi-roaming-128-4-41-124.wifi.udel.edu	0
128.4.41.125	wifi-roaming-128-4-41-125.wifi.udel.edu	0
128.4.41.126	wifi-roaming-128-4-41-126.wifi.udel.edu	0
128.4.41.127	wifi-roaming-128-4-41-127.wifi.udel.edu	0
128.4.41.128	wifi-roaming-128-4-41-128.wifi.udel.edu	0
128.4.41.129	wifi-roaming-128-4-41-129.wifi.udel.edu	0
128.4.41.130	wifi-roaming-128-4-41-130.wifi.udel.edu	0
128.4.41.131	wifi-roaming-128-4-41-131.wifi.udel.edu	0
128.4.41.132	wifi-roaming-128-4-41-132.wifi.udel.edu	0
128.4.41.133	wifi-roaming-128-4-41-133.wifi.udel.edu	0
128.4.41.134	wifi-roaming-128-4-41-134.wifi.udel.edu	0
128.4.41.135	wifi-roaming-128-4-41-135.wifi.udel.edu	0
128.4.41.136	wifi-roaming-128-4-41-136.wifi.udel.edu	0
128.4.41.137	wifi-roaming-128-4-41-137.wifi.udel.edu	0
128.4.41.138	wifi-roaming-128-4-41-138.wifi.udel.edu	0
128.4.41.139	wifi-roaming-128-4-41-139.wifi.udel.edu	0
128.4.41.140	wifi-roaming-128-4-41-140.wifi.udel.edu	0
128.4.41.141	wifi-roaming-128-4-41-141.wifi.udel.edu	0
128.4.41.142	wifi-roaming-128-4-41-142.wifi.udel.edu	0
128.4.41.143	wifi-roaming-128-4-41-143.wifi.udel.edu	0
128.4.41.144	wifi-roaming-128-4-41-144.wifi.udel.edu	0
128.4.41.145	wifi-roaming-128-4-41-145.wifi.udel.edu	0
128.4.41.146	wifi-roaming-128-4-41-146.wifi.udel.edu	0
128.4.41.147	wifi-roaming-128-4-41-147.wifi.udel.edu	0
128.4.41.148	wifi-roaming-128-4-41-148.wifi.udel.edu	0
128.4.41.149	wifi-roaming-128-4-41-149.wifi.udel.edu	0
128.4.41.150	wifi-roaming-128-4-41-150.wifi.udel.edu	0
128.4.41.151	wifi-roaming-128-4-41-151.wifi.udel.edu	0
128.4.41.152	wifi-roaming-128-4-41-152.wifi.udel.edu	0
128.4.41.153	wifi-roaming-128-4-41-153.wifi.udel.edu	0
128.4.41.154	wifi-roaming-128-4-41-154.wifi.udel.edu	0
128.4.41.155	wifi-roaming-128-4-41-155.wifi.udel.edu	0
128.4.41.156	wifi-roaming-128-4-41-156.wifi.udel.edu	0
128.4.41.157	wifi-roaming-128-4-41-157.wifi.udel.edu	0
128.4.41.158	wifi-roaming-128-4-41-158.wifi.udel.edu	0
128.4.41.159	wifi-roaming-128-4-41-159.wifi.udel.edu	0
128.4.41.160	wifi-roaming-128-4-41-160.wifi.udel.edu	0
128.4.41.161	wifi-roaming-128-4-41-161.wifi.udel.edu	0
128.4.41.162	wifi-roaming-128-4-41-162.wifi.udel.edu	0
128.4.41.163	wifi-roaming-128-4-41-163.wifi.udel.edu	0
128.4.41.164	wifi-roaming-128-4-41-164.wifi.udel.edu	0
128.4.41.165	wifi-roaming-128-4-41-165.wifi.udel.edu	0
128.4.41.166	wifi-roaming-128-4-41-166.wifi.udel.edu	0
128.4.41.167	wifi-roaming-128-4-41-167.wifi.udel.edu	0
128.4.41.168	wifi-roaming-128-4-41-168.wifi.udel.edu	0
128.4.41.169	wifi-roaming-128-4-41-169.wifi.udel.edu	0
128.4.41.170	wifi-roaming-128-4-41-170.wifi.udel.edu	0
128.4.41.171	wifi-roaming-128-4-41-171.wifi.udel.edu	0
128.4.41.172	wifi-roaming-128-4-41-172.wifi.udel.edu	0
128.4.41.173	wifi-roaming-128-4-41-173.wifi.udel.edu	0
128.4.41.174	wifi-roaming-128-4-41-174.wifi.udel.edu	0
128.4.41.175	wifi-roaming-128-4-41-175.wifi.udel.edu	0
128.4.41.176	wifi-roaming-128-4-41-176.wifi.udel.edu	0
128.4.41.177	wifi-roaming-128-4-41-177.wifi.udel.edu	0
128.4.41.178	wifi-roaming-128-4-41-178.wifi.udel.edu	0
128.4.41.179	wifi-roaming-128-4-41-179.wifi.udel.edu	0
128.4.41.180	wifi-roaming-128-4-41-180.wifi.udel.edu	0
128.4.41.181	wifi-roaming-128-4-41-181.wifi.udel.edu	0
128.4.41.182	wifi-roaming-128-4-41-182.wifi.udel.edu	0
128.4.41.183	wifi-roaming-128-4-41-183.wifi.udel.edu	0
128.4.41.184	wifi-roaming-128-4-41-184.wifi.udel.edu	0
128.4.41.185	wifi-roaming-128-4-41-185.wifi.udel.edu	0
128.4.41.186	wifi-roaming-128-4-41-186.wifi.udel.edu	0
128.4.41.187	wifi-roaming-128-4-41-187.wifi.udel.edu	0
128.4.41.188	wifi-roaming-128-4-41-188.wifi.udel.edu	0
128.4.41.189	wifi-roaming-128-4-41-189.wifi.udel.edu	0
128.4.41.190	wifi-roaming-128-4-41-190.wifi.udel.edu	0
128.4.41.191	wifi-roaming-128-4-41-191.wifi.udel.edu	0
128.4.41.192	wifi-roaming-128-4-41-192.wifi.udel.edu	0
128.4.41.193	wifi-roaming-128-4-41-193.wifi.udel.edu	0
128.4.41.194	wifi-roaming-128-4-41-194.wifi.udel.edu	0
128.4.41.195	wifi-roaming-128-4-41-195.wifi.udel.edu	0
128.4.41.196	wifi-roaming-128-4-41-196.wifi.udel.edu	0
128.4.41.197	wifi-roaming-128-4-41-197.wifi.udel.edu	0
128.4.41.198	wifi-roaming-128-4-41-198.wifi.udel.edu	0
128.4.41.199	wifi-roaming-128-4-41-199.wifi.udel.edu	0
128.4.41.200	wifi-roaming-128-4-41-200.wifi.udel.edu	0
128.4.41.201	wifi-roaming-128-4-41-201.wifi.udel.edu	0
128.4.41.202	wifi-roaming-128-4-41-202.wifi.udel.edu	0
128.4.41.203	wifi-roaming-128-4-41-203.wifi.udel.edu	0
128.4.41.204	wifi-roaming-128-4-41-204.wifi.udel.edu	0
128.4.41.205	wifi-roaming-128-4-41-205.wifi.udel.edu	0
128.4.41.206	wifi-roaming-128-4-41-206.wifi.udel.edu	0
128.4.41.207	wifi-roaming-128-4-41-207.wifi.udel.edu	0
128.4.41.208	wifi-roaming-128-4-41-208.wifi.udel.edu	0
128.4.41.209	wifi-roaming-128-4-41-209.wifi.udel.edu	0
128.4.41.210	wifi-roaming-128-4-41-210.wifi.udel.edu	0
128.4.41.211	wifi-roaming-128-4-41-211.wifi.udel.edu	0
128.4.41.212	wifi-roaming-128-4-41-212.wifi.udel.edu	0
128.4.41.213	wifi-roaming-128-4-41-213.wifi.udel.edu	0
128.4.41.214	wifi-roaming-128-4-41-214.wifi.udel.edu	0
128.4.41.215	wifi-roaming-128-4-41-215.wifi.udel.edu	0
128.4.41.216	wifi-roaming-128-4-41-216.wifi.udel.edu	0
128.4.41.217	wifi-roaming-128-4-41-217.wifi.udel.edu	0
128.4.41.218	wifi-roaming-128-4-41-218.wifi.udel.edu	0
128.4.41.219	wifi-roaming-128-4-41-219.wifi.udel.edu	0
128.4.41.220	wifi-roaming-128-4-41-220.wifi.udel.edu	0
128.4.41.221	wifi-roaming-128-4-41-221.wifi.udel.edu	0
128.4.41.222	wifi-roaming-128-4-41-222.wifi.udel.edu	0
128.4.41.223	wifi-roaming-128-4-41-223.wifi.udel.edu	0
128.4.41.224	wifi-roaming-128-4-41-224.wifi.udel.edu	0
128.4.41.225	wifi-roaming-128-4-41-225.wifi.udel.edu	0
128.4.41.226	wifi-roaming-128-4-41-226.wifi.udel.edu	0
128.4.41.227	wifi-roaming-128-4-41-227.wifi.udel.edu	0
128.4.41.228	wifi-roaming-128-4-41-228.wifi.udel.edu	0
128.4.41.229	wifi-roaming-128-4-41-229.wifi.udel.edu	0
128.4.41.230	wifi-roaming-128-4-41-230.wifi.udel.edu	0
128.4.41.231	wifi-roaming-128-4-41-231.wifi.udel.edu	0
128.4.41.232	wifi-roaming-128-4-41-232.wifi.udel.edu	0
128.4.41.233	wifi-roaming-128-4-41-233.wifi.udel.edu	0
128.4.41.234	wifi-roaming-128-4-41-234.wifi.udel.edu	0
128.4.41.235	wifi-roaming-128-4-41-235.wifi.udel.edu	0
128.4.41.236	wifi-roaming-128-4-41-236.wifi.udel.edu	0
128.4.41.237	wifi-roaming-128-4-41-237.wifi.udel.edu	0
128.4.41.238	wifi-roaming-128-4-41-238.wifi.udel.edu	0
128.4.41.239	wifi-roaming-128-4-41-239.wifi.udel.edu	0
128.4.41.240	wifi-roaming-128-4-41-240.wifi.udel.edu	0
128.4.41.241	wifi-roaming-128-4-41-241.wifi.udel.edu	0
128.4.41.242	wifi-roaming-128-4-41-242.wifi.udel.edu	0
128.4.41.243	wifi-roaming-128-4-41-243.wifi.udel.edu	0
128.4.41.244	wifi-roaming-128-4-41-244.wifi.udel.edu	0
128.4.41.245	wifi-roaming-128-4-41-245.wifi.udel.edu	0
128.4.41.246	wifi-roaming-128-4-41-246.wifi.udel.edu	0
128.4.41.247	wifi-roaming-128-4-41-247.wifi.udel.edu	0
128.4.41.248	wifi-roaming-128-4-41-248.wifi.udel.edu	0
128.4.41.249	wifi-roaming-128-4-41-249.wifi.udel.edu	0
128.4.41.250	aruba7030-1-128-4-41-250.nss.udel.edu	0
128.4.41.251	wifi-roaming-128-4-41-251.wifi.udel.edu	0
128.4.41.252	wifi-roaming-128-4-41-252.wifi.udel.edu	0
128.4.41.253	wifi-roaming-128-4-41-253.wifi.udel.edu	0
128.4.41.254	fw-nc46-15-1-e1-41-1909-eduroam.nis.udel.edu	0
128.4.41.255	—	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 128.4.41.1

traceroute to 128.4.41.1 (128.4.41.1): 64 hops max, 52 byte packets

5 [AS13786] 206.126.236.146 0.985 ms

6 [] 199.109.102.22 4.384 ms

7 [AS2] 128.4.41.1 5.247 ms

Measurement taken from

IPinfo ProbeNet in Reston, US

On November 22nd 2025