Summary

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


128.4.22.0	—	0
128.4.22.1	sw-ne37-110-11-irb-431.nis.udel.edu	0
128.4.22.2	host-128-4-22-2.host.udel.edu	0
128.4.22.3	host-128-4-22-3.host.udel.edu	0
128.4.22.4	host-128-4-22-4.host.udel.edu	0
128.4.22.5	host-128-4-22-5.host.udel.edu	0
128.4.22.6	host-128-4-22-6.host.udel.edu	0
128.4.22.7	host-128-4-22-7.host.udel.edu	0
128.4.22.8	host-128-4-22-8.host.udel.edu	0
128.4.22.9	host-128-4-22-9.host.udel.edu	0
128.4.22.10	host-128-4-22-10.host.udel.edu	0
128.4.22.11	host-128-4-22-11.host.udel.edu	0
128.4.22.12	host-128-4-22-12.host.udel.edu	0
128.4.22.13	host-128-4-22-13.host.udel.edu	0
128.4.22.14	host-128-4-22-14.host.udel.edu	0
128.4.22.15	host-128-4-22-15.host.udel.edu	0
128.4.22.16	host-128-4-22-16.host.udel.edu	0
128.4.22.17	host-128-4-22-17.host.udel.edu	0
128.4.22.18	host-128-4-22-18.host.udel.edu	0
128.4.22.19	host-128-4-22-19.host.udel.edu	0
128.4.22.20	host-128-4-22-20.host.udel.edu	0
128.4.22.21	host-128-4-22-21.host.udel.edu	0
128.4.22.22	host-128-4-22-22.host.udel.edu	0
128.4.22.23	host-128-4-22-23.host.udel.edu	0
128.4.22.24	host-128-4-22-24.host.udel.edu	0
128.4.22.25	host-128-4-22-25.host.udel.edu	0
128.4.22.26	host-128-4-22-26.host.udel.edu	0
128.4.22.27	host-128-4-22-27.host.udel.edu	0
128.4.22.28	host-128-4-22-28.host.udel.edu	0
128.4.22.29	host-128-4-22-29.host.udel.edu	0
128.4.22.30	host-128-4-22-30.host.udel.edu	0
128.4.22.31	host-128-4-22-31.host.udel.edu	0
128.4.22.32	host-128-4-22-32.host.udel.edu	0
128.4.22.33	host-128-4-22-33.host.udel.edu	0
128.4.22.34	host-128-4-22-34.host.udel.edu	0
128.4.22.35	host-128-4-22-35.host.udel.edu	0
128.4.22.36	host-128-4-22-36.host.udel.edu	0
128.4.22.37	host-128-4-22-37.host.udel.edu	0
128.4.22.38	host-128-4-22-38.host.udel.edu	0
128.4.22.39	host-128-4-22-39.host.udel.edu	0
128.4.22.40	host-128-4-22-40.host.udel.edu	0
128.4.22.41	host-128-4-22-41.host.udel.edu	0
128.4.22.42	host-128-4-22-42.host.udel.edu	0
128.4.22.43	host-128-4-22-43.host.udel.edu	0
128.4.22.44	host-128-4-22-44.host.udel.edu	0
128.4.22.45	host-128-4-22-45.host.udel.edu	0
128.4.22.46	host-128-4-22-46.host.udel.edu	0
128.4.22.47	host-128-4-22-47.host.udel.edu	0
128.4.22.48	host-128-4-22-48.host.udel.edu	0
128.4.22.49	host-128-4-22-49.host.udel.edu	0
128.4.22.50	host-128-4-22-50.host.udel.edu	0
128.4.22.51	host-128-4-22-51.host.udel.edu	0
128.4.22.52	host-128-4-22-52.host.udel.edu	0
128.4.22.53	host-128-4-22-53.host.udel.edu	0
128.4.22.54	host-128-4-22-54.host.udel.edu	0
128.4.22.55	host-128-4-22-55.host.udel.edu	0
128.4.22.56	host-128-4-22-56.host.udel.edu	0
128.4.22.57	host-128-4-22-57.host.udel.edu	0
128.4.22.58	host-128-4-22-58.host.udel.edu	0
128.4.22.59	host-128-4-22-59.host.udel.edu	0
128.4.22.60	host-128-4-22-60.host.udel.edu	0
128.4.22.61	host-128-4-22-61.host.udel.edu	0
128.4.22.62	host-128-4-22-62.host.udel.edu	0
128.4.22.63	host-128-4-22-63.host.udel.edu	0
128.4.22.64	host-128-4-22-64.host.udel.edu	0
128.4.22.65	host-128-4-22-65.host.udel.edu	0
128.4.22.66	host-128-4-22-66.host.udel.edu	0
128.4.22.67	host-128-4-22-67.host.udel.edu	0
128.4.22.68	host-128-4-22-68.host.udel.edu	0
128.4.22.69	host-128-4-22-69.host.udel.edu	0
128.4.22.70	host-128-4-22-70.host.udel.edu	0
128.4.22.71	host-128-4-22-71.host.udel.edu	0
128.4.22.72	host-128-4-22-72.host.udel.edu	0
128.4.22.73	host-128-4-22-73.host.udel.edu	0
128.4.22.74	host-128-4-22-74.host.udel.edu	0
128.4.22.75	host-128-4-22-75.host.udel.edu	0
128.4.22.76	host-128-4-22-76.host.udel.edu	0
128.4.22.77	host-128-4-22-77.host.udel.edu	0
128.4.22.78	host-128-4-22-78.host.udel.edu	0
128.4.22.79	host-128-4-22-79.host.udel.edu	0
128.4.22.80	host-128-4-22-80.host.udel.edu	0
128.4.22.81	host-128-4-22-81.host.udel.edu	0
128.4.22.82	host-128-4-22-82.host.udel.edu	0
128.4.22.83	host-128-4-22-83.host.udel.edu	0
128.4.22.84	host-128-4-22-84.host.udel.edu	0
128.4.22.85	host-128-4-22-85.host.udel.edu	0
128.4.22.86	host-128-4-22-86.host.udel.edu	0
128.4.22.87	host-128-4-22-87.host.udel.edu	0
128.4.22.88	host-128-4-22-88.host.udel.edu	0
128.4.22.89	host-128-4-22-89.host.udel.edu	0
128.4.22.90	host-128-4-22-90.host.udel.edu	0
128.4.22.91	host-128-4-22-91.host.udel.edu	0
128.4.22.92	host-128-4-22-92.host.udel.edu	0
128.4.22.93	host-128-4-22-93.host.udel.edu	0
128.4.22.94	host-128-4-22-94.host.udel.edu	0
128.4.22.95	host-128-4-22-95.host.udel.edu	0
128.4.22.96	host-128-4-22-96.host.udel.edu	0
128.4.22.97	host-128-4-22-97.host.udel.edu	0
128.4.22.98	host-128-4-22-98.host.udel.edu	0
128.4.22.99	host-128-4-22-99.host.udel.edu	0
128.4.22.100	host-128-4-22-100.host.udel.edu	0
128.4.22.101	host-4-22-101.host.udel.edu	0
128.4.22.102	succubus.cis.udel.edu	0
128.4.22.103	host-128-4-22-103.host.udel.edu	0
128.4.22.104	host-128-4-22-104.host.udel.edu	0
128.4.22.105	host-4-22-105.host.udel.edu	0
128.4.22.106	host-128-4-22-106.host.udel.edu	0
128.4.22.107	host-4-22-107.host.udel.edu	0
128.4.22.108	host-128-4-22-108.host.udel.edu	0
128.4.22.109	host-128-4-22-109.host.udel.edu	0
128.4.22.110	host-128-4-22-110.host.udel.edu	0
128.4.22.111	host-128-4-22-111.host.udel.edu	0
128.4.22.112	host-128-4-22-112.host.udel.edu	0
128.4.22.113	host-128-4-22-113.host.udel.edu	0
128.4.22.114	host-128-4-22-114.host.udel.edu	0
128.4.22.115	host-128-4-22-115.host.udel.edu	0
128.4.22.116	host-128-4-22-116.host.udel.edu	0
128.4.22.117	host-128-4-22-117.host.udel.edu	0
128.4.22.118	host-128-4-22-118.host.udel.edu	0
128.4.22.119	host-128-4-22-119.host.udel.edu	0
128.4.22.120	host-128-4-22-120.host.udel.edu	0
128.4.22.121	host-128-4-22-121.host.udel.edu	0
128.4.22.122	host-128-4-22-122.host.udel.edu	0
128.4.22.123	host-128-4-22-123.host.udel.edu	0
128.4.22.124	host-128-4-22-124.host.udel.edu	0
128.4.22.125	host-128-4-22-125.host.udel.edu	0
128.4.22.126	host-128-4-22-126.host.udel.edu	0
128.4.22.127	host-128-4-22-127.host.udel.edu	0
128.4.22.128	host-128-4-22-128.host.udel.edu	0
128.4.22.129	host-4-22-129.host.udel.edu	0
128.4.22.130	host-128-4-22-130.host.udel.edu	0
128.4.22.131	host-128-4-22-131.host.udel.edu	0
128.4.22.132	host-128-4-22-132.host.udel.edu	0
128.4.22.133	host-128-4-22-133.host.udel.edu	0
128.4.22.134	ginger.cis.udel.edu	0
128.4.22.135	host-4-22-135.host.udel.edu	0
128.4.22.136	dandelion.cis.udel.edu	0
128.4.22.137	echinacea.cis.udel.edu	0
128.4.22.138	host-4-22-138.host.udel.edu	0
128.4.22.139	host-128-4-22-139.host.udel.edu	0
128.4.22.140	host-128-4-22-140.host.udel.edu	0
128.4.22.141	peanut.cis.udel.edu	0
128.4.22.142	cashew.cis.udel.edu	0
128.4.22.143	host-128-4-22-143.host.udel.edu	0
128.4.22.144	nopey.cis.udel.edu	0
128.4.22.145	host-4-22-145.host.udel.edu	0
128.4.22.146	host-128-4-22-146.host.udel.edu	0
128.4.22.147	host-128-4-22-147.host.udel.edu	0
128.4.22.148	host-128-4-22-148.host.udel.edu	0
128.4.22.149	host-128-4-22-149.host.udel.edu	0
128.4.22.150	host-128-4-22-150.host.udel.edu	0
128.4.22.151	host-128-4-22-151.host.udel.edu	0
128.4.22.152	host-128-4-22-152.host.udel.edu	0
128.4.22.153	host-128-4-22-153.host.udel.edu	0
128.4.22.154	host-128-4-22-154.host.udel.edu	0
128.4.22.155	host-128-4-22-155.host.udel.edu	0
128.4.22.156	host-128-4-22-156.host.udel.edu	0
128.4.22.157	host-128-4-22-157.host.udel.edu	0
128.4.22.158	host-128-4-22-158.host.udel.edu	0
128.4.22.159	host-128-4-22-159.host.udel.edu	0
128.4.22.160	host-128-4-22-160.host.udel.edu	0
128.4.22.161	host-128-4-22-161.host.udel.edu	0
128.4.22.162	host-128-4-22-162.host.udel.edu	0
128.4.22.163	host-128-4-22-163.host.udel.edu	0
128.4.22.164	host-128-4-22-164.host.udel.edu	0
128.4.22.165	host-128-4-22-165.host.udel.edu	0
128.4.22.166	host-128-4-22-166.host.udel.edu	0
128.4.22.167	host-128-4-22-167.host.udel.edu	0
128.4.22.168	host-128-4-22-168.host.udel.edu	0
128.4.22.169	host-128-4-22-169.host.udel.edu	0
128.4.22.170	host-128-4-22-170.host.udel.edu	0
128.4.22.171	host-128-4-22-171.host.udel.edu	0
128.4.22.172	host-128-4-22-172.host.udel.edu	0
128.4.22.173	host-128-4-22-173.host.udel.edu	0
128.4.22.174	host-128-4-22-174.host.udel.edu	0
128.4.22.175	host-128-4-22-175.host.udel.edu	0
128.4.22.176	host-128-4-22-176.host.udel.edu	0
128.4.22.177	host-128-4-22-177.host.udel.edu	0
128.4.22.178	host-128-4-22-178.host.udel.edu	0
128.4.22.179	host-128-4-22-179.host.udel.edu	0
128.4.22.180	host-128-4-22-180.host.udel.edu	0
128.4.22.181	host-128-4-22-181.host.udel.edu	0
128.4.22.182	host-128-4-22-182.host.udel.edu	0
128.4.22.183	host-128-4-22-183.host.udel.edu	0
128.4.22.184	host-128-4-22-184.host.udel.edu	0
128.4.22.185	host-128-4-22-185.host.udel.edu	0
128.4.22.186	host-128-4-22-186.host.udel.edu	0
128.4.22.187	host-128-4-22-187.host.udel.edu	0
128.4.22.188	host-128-4-22-188.host.udel.edu	0
128.4.22.189	host-128-4-22-189.host.udel.edu	0
128.4.22.190	host-128-4-22-190.host.udel.edu	0
128.4.22.191	host-128-4-22-191.host.udel.edu	0
128.4.22.192	host-128-4-22-192.host.udel.edu	0
128.4.22.193	host-128-4-22-193.host.udel.edu	0
128.4.22.194	host-128-4-22-194.host.udel.edu	0
128.4.22.195	host-128-4-22-195.host.udel.edu	0
128.4.22.196	host-128-4-22-196.host.udel.edu	0
128.4.22.197	host-128-4-22-197.host.udel.edu	0
128.4.22.198	host-128-4-22-198.host.udel.edu	0
128.4.22.199	host-128-4-22-199.host.udel.edu	0
128.4.22.200	host-4-22-200.host.udel.edu	0
128.4.22.201	www2.engr.udel.edu	0
128.4.22.202	host-4-22-202.host.udel.edu	0
128.4.22.203	www2.ce.udel.edu	0
128.4.22.204	www2.che.udel.edu	0
128.4.22.205	www2.me.udel.edu	0
128.4.22.206	www2.mseg.udel.edu	0
128.4.22.207	host-4-22-207.host.udel.edu	0
128.4.22.208	host-128-4-22-208.host.udel.edu	0
128.4.22.209	host-4-22-209.host.udel.edu	0
128.4.22.210	research2.che.udel.edu	0
128.4.22.211	www3.cis.udel.edu	0
128.4.22.212	research2.me.udel.edu	0
128.4.22.213	host-4-22-213.host.udel.edu	0
128.4.22.214	host-128-4-22-214.host.udel.edu	0
128.4.22.215	research2.mseg.udel.edu	0
128.4.22.216	host-4-22-216.host.udel.edu	0
128.4.22.217	host-128-4-22-217.host.udel.edu	0
128.4.22.218	host-128-4-22-218.host.udel.edu	0
128.4.22.219	host-128-4-22-219.host.udel.edu	0
128.4.22.220	host-128-4-22-220.host.udel.edu	0
128.4.22.221	host-128-4-22-221.host.udel.edu	0
128.4.22.222	host-128-4-22-222.host.udel.edu	0
128.4.22.223	host-128-4-22-223.host.udel.edu	0
128.4.22.224	host-128-4-22-224.host.udel.edu	0
128.4.22.225	host-4-22-225.host.udel.edu	0
128.4.22.226	host-128-4-22-226.host.udel.edu	0
128.4.22.227	nsl.cis.udel.edu	0
128.4.22.228	imuse.ece.udel.edu	0
128.4.22.229	host-4-22-229.host.udel.edu	0
128.4.22.230	host-4-22-230.host.udel.edu	0
128.4.22.231	svn.acad.ece.udel.edu	0
128.4.22.232	host-4-22-232.host.udel.edu	0
128.4.22.233	anakin.cvorg.ece.udel.edu	0
128.4.22.234	host-4-22-234.host.udel.edu	0
128.4.22.235	host-4-22-235.host.udel.edu	0
128.4.22.236	host-4-22-236.host.udel.edu	0
128.4.22.237	milwaukee2.cis.udel.edu	0
128.4.22.238	develop.eecis.udel.edu	0
128.4.22.239	host-128-4-22-239.host.udel.edu	0
128.4.22.240	host-4-22-240.host.udel.edu	0
128.4.22.241	cisc475.acad.cis.udel.edu	0
128.4.22.242	cisc364.acad.cis.udel.edu	0
128.4.22.243	host-128-4-22-243.host.udel.edu	0
128.4.22.244	vims-bk.cis.udel.edu	0
128.4.22.245	host-128-4-22-245.host.udel.edu	0
128.4.22.246	host-4-22-246.host.udel.edu	0
128.4.22.247	cisc856.acad.cis.udel.edu	0
128.4.22.248	cisc475-12s.acad.cis.udel.edu	0
128.4.22.249	host-4-22-249.host.udel.edu	0
128.4.22.250	account.acad.cis.udel.edu	0
128.4.22.251	host-128-4-22-251.host.udel.edu	0
128.4.22.252	host-128-4-22-252.host.udel.edu	0
128.4.22.253	host-128-4-22-253.host.udel.edu	0
128.4.22.254	host-128-4-22-254.host.udel.edu	0
128.4.22.255	—	0

Traceroute

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

traceroute -a -n -q1 -f2 -m6 128.4.22.129

traceroute to 128.4.22.129 (128.4.22.129): 6 hops max, 52 byte packets

2 [AS55293] 69.48.137.16 0.364 ms

3 [AS55293] 68.66.239.33 0.193 ms

4 *

5 *

6 *

Measurement taken from

IPinfo ProbeNet in Phoenix, US

On December 28th 2025