Summary

ASN	AS1742 Harvard University
BGP	128.103.0.0/16
IPs with RDNS	65
Hosted Domains	0
Pingable IPs	0
Router IPs	0


128.103.63.0	—	0
128.103.63.1	—	0
128.103.63.2	—	0
128.103.63.3	—	0
128.103.63.4	—	0
128.103.63.5	adpt-cat5000-1730-63.harvard.edu	0
128.103.63.6	17305000-spare.harvard.edu	0
128.103.63.7	—	0
128.103.63.8	—	0
128.103.63.9	willie-63.cadm.harvard.edu	0
128.103.63.10	—	0
128.103.63.11	—	0
128.103.63.12	—	0
128.103.63.13	—	0
128.103.63.14	—	0
128.103.63.15	apollo10.cadm.harvard.edu	0
128.103.63.16	—	0
128.103.63.17	—	0
128.103.63.18	—	0
128.103.63.19	—	0
128.103.63.20	—	0
128.103.63.21	—	0
128.103.63.22	—	0
128.103.63.23	—	0
128.103.63.24	—	0
128.103.63.25	sav-srv1.cadm.harvard.edu	0
128.103.63.26	ibm-bladectr.harvard.edu	0
128.103.63.27	—	0
128.103.63.28	—	0
128.103.63.29	—	0
128.103.63.30	—	0
128.103.63.31	—	0
128.103.63.32	—	0
128.103.63.33	—	0
128.103.63.34	engyro-dev.cadm.harvard.edu	0
128.103.63.35	engyro-prod.cadm.harvard.edu	0
128.103.63.36	—	0
128.103.63.37	—	0
128.103.63.38	—	0
128.103.63.39	—	0
128.103.63.40	—	0
128.103.63.41	—	0
128.103.63.42	—	0
128.103.63.43	—	0
128.103.63.44	—	0
128.103.63.45	—	0
128.103.63.46	—	0
128.103.63.47	—	0
128.103.63.48	—	0
128.103.63.49	—	0
128.103.63.50	—	0
128.103.63.51	adapts9.harvard.edu	0
128.103.63.52	—	0
128.103.63.53	—	0
128.103.63.54	—	0
128.103.63.55	onwire.harvard.edu	0
128.103.63.56	—	0
128.103.63.57	aims.harvard.edu	0
128.103.63.58	—	0
128.103.63.59	hirestrng.harvard.edu	0
128.103.63.60	dmpedb-test.hfc.harvard.edu	0
128.103.63.61	—	0
128.103.63.62	—	0
128.103.63.63	hrdev1-sc0.harvard.edu	0
128.103.63.64	hrdev1-sc1.harvard.edu	0
128.103.63.65	—	0
128.103.63.66	—	0
128.103.63.67	—	0
128.103.63.68	hrtst1-sc1.harvard.edu	0
128.103.63.69	—	0
128.103.63.70	jump128-103-63.soc.harvard.edu	0
128.103.63.71	hrtst3-2.cadm.harvard.edu	0
128.103.63.72	hrtst3-3.cadm.harvard.edu	0
128.103.63.73	—	0
128.103.63.74	—	0
128.103.63.75	hill04.cadm.harvard.edu	0
128.103.63.76	—	0
128.103.63.77	—	0
128.103.63.78	—	0
128.103.63.79	boothill.cadm.harvard.edu	0
128.103.63.80	uiswappshired00.university.harvard.edu	0
128.103.63.81	—	0
128.103.63.82	—	0
128.103.63.83	—	0
128.103.63.84	—	0
128.103.63.85	—	0
128.103.63.86	—	0
128.103.63.87	—	0
128.103.63.88	—	0
128.103.63.89	—	0
128.103.63.90	—	0
128.103.63.91	—	0
128.103.63.92	—	0
128.103.63.93	—	0
128.103.63.94	—	0
128.103.63.95	hrmsdev2.cadm.harvard.edu	0
128.103.63.96	—	0
128.103.63.97	—	0
128.103.63.98	—	0
128.103.63.99	—	0
128.103.63.100	—	0
128.103.63.101	hu1-dev.windev.harvard.edu	0
128.103.63.102	—	0
128.103.63.103	—	0
128.103.63.104	—	0
128.103.63.105	entwdomc0000d03.universitydev.harvard.edu	0
128.103.63.106	—	0
128.103.63.107	—	0
128.103.63.108	entmdrss0000000.cadm.harvard.edu	0
128.103.63.109	entmdrss0000001.cadm.harvard.edu	0
128.103.63.110	apollo1-2.cadm.harvard.edu	0
128.103.63.111	apollo2-2.cadm.harvard.edu	0
128.103.63.112	apollo3-2.cadm.harvard.edu	0
128.103.63.113	apollo4-2.cadm.harvard.edu	0
128.103.63.114	apollo5-2.cadm.harvard.edu	0
128.103.63.115	apollo10-2.cadm.harvard.edu	0
128.103.63.116	—	0
128.103.63.117	—	0
128.103.63.118	—	0
128.103.63.119	—	0
128.103.63.120	aspen.cadm.harvard.edu	0
128.103.63.121	everest.cadm.harvard.edu	0
128.103.63.122	—	0
128.103.63.123	—	0
128.103.63.124	—	0
128.103.63.125	—	0
128.103.63.126	—	0
128.103.63.127	uiswcmfs2633004.university.harvard.edu	0
128.103.63.128	uiswcmfs2633005.university.harvard.edu	0
128.103.63.129	uiswcmfs2633006.university.harvard.edu	0
128.103.63.130	—	0
128.103.63.131	—	0
128.103.63.132	—	0
128.103.63.133	—	0
128.103.63.134	—	0
128.103.63.135	—	0
128.103.63.136	—	0
128.103.63.137	uiswapps1827c00.university.harvard.edu	0
128.103.63.138	cwdwaaps2919000.university.harvard.edu	0
128.103.63.139	apps.itis-wcmint.cadm.harvard.edu	0
128.103.63.140	—	0
128.103.63.141	—	0
128.103.63.142	—	0
128.103.63.143	itis-wcmdb.cadm.harvard.edu	0
128.103.63.144	entwexfe0000d01.universitydev.harvard.edu	0
128.103.63.145	entwexsm0000d01.universitydev.harvard.edu	0
128.103.63.146	entwexmn0000d02.universitydev.harvard.edu	0
128.103.63.147	—	0
128.103.63.148	—	0
128.103.63.149	—	0
128.103.63.150	—	0
128.103.63.151	—	0
128.103.63.152	—	0
128.103.63.153	—	0
128.103.63.154	—	0
128.103.63.155	entwhwks0000d00.universitydev.harvard.edu	0
128.103.63.156	—	0
128.103.63.157	—	0
128.103.63.158	—	0
128.103.63.159	—	0
128.103.63.160	—	0
128.103.63.161	—	0
128.103.63.162	—	0
128.103.63.163	—	0
128.103.63.164	—	0
128.103.63.165	—	0
128.103.63.166	—	0
128.103.63.167	—	0
128.103.63.168	—	0
128.103.63.169	—	0
128.103.63.170	entwexmc0000000.universitydev.harvard.edu	0
128.103.63.171	entwexmn0000d00.universitydev.harvard.edu	0
128.103.63.172	entwexmn0000d01.universitydev.harvard.edu	0
128.103.63.173	entwexmc0000d00.universitydev.harvard.edu	0
128.103.63.174	—	0
128.103.63.175	—	0
128.103.63.176	—	0
128.103.63.177	—	0
128.103.63.178	—	0
128.103.63.179	—	0
128.103.63.180	ironport.universitydev.harvard.edu	0
128.103.63.181	—	0
128.103.63.182	—	0
128.103.63.183	—	0
128.103.63.184	—	0
128.103.63.185	hmag-re.university.harvard.edu	0
128.103.63.186	—	0
128.103.63.187	—	0
128.103.63.188	—	0
128.103.63.189	—	0
128.103.63.190	—	0
128.103.63.191	—	0
128.103.63.192	—	0
128.103.63.193	—	0
128.103.63.194	—	0
128.103.63.195	—	0
128.103.63.196	—	0
128.103.63.197	—	0
128.103.63.198	—	0
128.103.63.199	—	0
128.103.63.200	—	0
128.103.63.201	hu2-dev.windev.harvard.edu	0
128.103.63.202	—	0
128.103.63.203	—	0
128.103.63.204	uisworascogn000.university.harvard.edu	0
128.103.63.205	—	0
128.103.63.206	—	0
128.103.63.207	—	0
128.103.63.208	—	0
128.103.63.209	—	0
128.103.63.210	—	0
128.103.63.211	—	0
128.103.63.212	—	0
128.103.63.213	—	0
128.103.63.214	—	0
128.103.63.215	—	0
128.103.63.216	—	0
128.103.63.217	—	0
128.103.63.218	—	0
128.103.63.219	—	0
128.103.63.220	—	0
128.103.63.221	—	0
128.103.63.222	—	0
128.103.63.223	—	0
128.103.63.224	oasweblogics1.oas.harvard.edu	0
128.103.63.225	—	0
128.103.63.226	—	0
128.103.63.227	—	0
128.103.63.228	—	0
128.103.63.229	—	0
128.103.63.230	—	0
128.103.63.231	—	0
128.103.63.232	—	0
128.103.63.233	—	0
128.103.63.234	—	0
128.103.63.235	—	0
128.103.63.236	—	0
128.103.63.237	—	0
128.103.63.238	—	0
128.103.63.239	—	0
128.103.63.240	shiva-128-103-63-240.harvard.edu	0
128.103.63.241	shiva-128-103-63-241.harvard.edu	0
128.103.63.242	shiva-128-103-63-242.harvard.edu	0
128.103.63.243	shiva-128-103-63-243.harvard.edu	0
128.103.63.244	shiva-128-103-63-244.harvard.edu	0
128.103.63.245	shiva-128-103-63-245.harvard.edu	0
128.103.63.246	shiva-128-103-63-246.harvard.edu	0
128.103.63.247	shiva-128-103-63-247.harvard.edu	0
128.103.63.248	shiva-128-103-63-248.harvard.edu	0
128.103.63.249	shiva-128-103-63-249.harvard.edu	0
128.103.63.250	—	0
128.103.63.251	—	0
128.103.63.252	—	0
128.103.63.253	—	0
128.103.63.254	—	0
128.103.63.255	—	0

Traceroute

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

traceroute -a -n -q1 -f4 -m7 128.103.63.81

traceroute to 128.103.63.81 (128.103.63.81): 7 hops max, 52 byte packets

4 [AS8932] 185.48.242.108 0.182 ms

5 *

6 *

7 *

Measurement taken from

IPinfo ProbeNet in Yerevan, AM

On December 14th 2025