Summary

ASN	AS1742 Harvard University
BGP	128.103.0.0/16
IPs with RDNS	213
Hosted Domains	0
Pingable IPs	0
Router IPs	0


128.103.191.0	—	0
128.103.191.1	—	0
128.103.191.2	—	0
128.103.191.3	—	0
128.103.191.4	—	0
128.103.191.5	—	0
128.103.191.6	—	0
128.103.191.7	—	0
128.103.191.8	—	0
128.103.191.9	—	0
128.103.191.10	—	0
128.103.191.11	—	0
128.103.191.12	—	0
128.103.191.13	—	0
128.103.191.14	—	0
128.103.191.15	—	0
128.103.191.16	—	0
128.103.191.17	—	0
128.103.191.18	—	0
128.103.191.19	—	0
128.103.191.20	—	0
128.103.191.21	—	0
128.103.191.22	—	0
128.103.191.23	ksga23.harvard.edu	0
128.103.191.24	—	0
128.103.191.25	—	0
128.103.191.26	—	0
128.103.191.27	—	0
128.103.191.28	—	0
128.103.191.29	—	0
128.103.191.30	—	0
128.103.191.31	—	0
128.103.191.32	—	0
128.103.191.33	—	0
128.103.191.34	—	0
128.103.191.35	—	0
128.103.191.36	—	0
128.103.191.37	—	0
128.103.191.38	—	0
128.103.191.39	—	0
128.103.191.40	ksglb1.harvard.edu	0
128.103.191.41	ksglb2.harvard.edu	0
128.103.191.42	ksglb3.harvard.edu	0
128.103.191.43	ksglb4.harvard.edu	0
128.103.191.44	ksglb5.harvard.edu	0
128.103.191.45	ksglb6.harvard.edu	0
128.103.191.46	ksglb7.harvard.edu	0
128.103.191.47	ksglb8.harvard.edu	0
128.103.191.48	ksglb9.harvard.edu	0
128.103.191.49	ksglb10.harvard.edu	0
128.103.191.50	ksgpict.harvard.edu	0
128.103.191.51	ksga051.harvard.edu	0
128.103.191.52	ksga052.harvard.edu	0
128.103.191.53	ksga053.harvard.edu	0
128.103.191.54	ksga054.harvard.edu	0
128.103.191.55	ksga055.harvard.edu	0
128.103.191.56	ksga056.harvard.edu	0
128.103.191.57	ksga057.harvard.edu	0
128.103.191.58	ksga058.harvard.edu	0
128.103.191.59	ksga059.harvard.edu	0
128.103.191.60	ksga060.harvard.edu	0
128.103.191.61	ksga061.harvard.edu	0
128.103.191.62	ksga062.harvard.edu	0
128.103.191.63	ksga063.harvard.edu	0
128.103.191.64	ksga064.harvard.edu	0
128.103.191.65	ksga065.harvard.edu	0
128.103.191.66	ksga066.harvard.edu	0
128.103.191.67	ksga067.harvard.edu	0
128.103.191.68	ksga068.harvard.edu	0
128.103.191.69	ksga069.harvard.edu	0
128.103.191.70	ksga070.harvard.edu	0
128.103.191.71	ksga071.harvard.edu	0
128.103.191.72	ksga072.harvard.edu	0
128.103.191.73	ksga073.harvard.edu	0
128.103.191.74	ksga074.harvard.edu	0
128.103.191.75	ksga075.harvard.edu	0
128.103.191.76	ksga076.harvard.edu	0
128.103.191.77	ksga077.harvard.edu	0
128.103.191.78	ksga078.harvard.edu	0
128.103.191.79	ksga079.harvard.edu	0
128.103.191.80	ksga080.harvard.edu	0
128.103.191.81	ksga081.harvard.edu	0
128.103.191.82	—	0
128.103.191.83	—	0
128.103.191.84	ksga084.harvard.edu	0
128.103.191.85	ksga085.harvard.edu	0
128.103.191.86	ksga086.harvard.edu	0
128.103.191.87	ksga087.harvard.edu	0
128.103.191.88	ksga088.harvard.edu	0
128.103.191.89	ksga089.harvard.edu	0
128.103.191.90	ksga090.harvard.edu	0
128.103.191.91	ksga091.harvard.edu	0
128.103.191.92	ksga092.harvard.edu	0
128.103.191.93	ksga093.harvard.edu	0
128.103.191.94	ksga094.harvard.edu	0
128.103.191.95	ksga095.harvard.edu	0
128.103.191.96	ksga096.harvard.edu	0
128.103.191.97	ksga097.harvard.edu	0
128.103.191.98	ksga098.harvard.edu	0
128.103.191.99	ksga099.harvard.edu	0
128.103.191.100	ksga100.harvard.edu	0
128.103.191.101	ksga101.harvard.edu	0
128.103.191.102	ksga102.harvard.edu	0
128.103.191.103	ksga103.harvard.edu	0
128.103.191.104	ksga104.harvard.edu	0
128.103.191.105	ksga105.harvard.edu	0
128.103.191.106	ksga106.harvard.edu	0
128.103.191.107	ksga107.harvard.edu	0
128.103.191.108	ksga108.harvard.edu	0
128.103.191.109	ksga109.harvard.edu	0
128.103.191.110	ksga110.harvard.edu	0
128.103.191.111	ksga111.harvard.edu	0
128.103.191.112	ksga112.harvard.edu	0
128.103.191.113	ksga113.harvard.edu	0
128.103.191.114	ksga114.harvard.edu	0
128.103.191.115	ksga115.harvard.edu	0
128.103.191.116	ksga116.harvard.edu	0
128.103.191.117	ksga117.harvard.edu	0
128.103.191.118	ksga118.harvard.edu	0
128.103.191.119	ksga119.harvard.edu	0
128.103.191.120	ksga120.harvard.edu	0
128.103.191.121	ksga121.harvard.edu	0
128.103.191.122	ksga122.harvard.edu	0
128.103.191.123	ksga123.harvard.edu	0
128.103.191.124	ksga124.harvard.edu	0
128.103.191.125	ksga125.harvard.edu	0
128.103.191.126	ksga126.harvard.edu	0
128.103.191.127	ksga127.harvard.edu	0
128.103.191.128	ksga128.harvard.edu	0
128.103.191.129	ksga129.harvard.edu	0
128.103.191.130	ksga130.harvard.edu	0
128.103.191.131	ksga131.harvard.edu	0
128.103.191.132	ksga132.harvard.edu	0
128.103.191.133	ksga133.harvard.edu	0
128.103.191.134	ksga134.harvard.edu	0
128.103.191.135	ksga135.harvard.edu	0
128.103.191.136	ksga136.harvard.edu	0
128.103.191.137	ksga137.harvard.edu	0
128.103.191.138	ksga138.harvard.edu	0
128.103.191.139	ksga139.harvard.edu	0
128.103.191.140	ksga140.harvard.edu	0
128.103.191.141	ksga141.harvard.edu	0
128.103.191.142	ksga142.harvard.edu	0
128.103.191.143	ksga143.harvard.edu	0
128.103.191.144	ksga144.harvard.edu	0
128.103.191.145	ksga145.harvard.edu	0
128.103.191.146	ksga146.harvard.edu	0
128.103.191.147	ksga147.harvard.edu	0
128.103.191.148	ksga148.harvard.edu	0
128.103.191.149	ksga149.harvard.edu	0
128.103.191.150	ksga150.harvard.edu	0
128.103.191.151	ksga151.harvard.edu	0
128.103.191.152	ksga152.harvard.edu	0
128.103.191.153	ksga153.harvard.edu	0
128.103.191.154	ksga154.harvard.edu	0
128.103.191.155	—	0
128.103.191.156	ksga156.harvard.edu	0
128.103.191.157	ksga157.harvard.edu	0
128.103.191.158	ksga158.harvard.edu	0
128.103.191.159	ksga159.harvard.edu	0
128.103.191.160	ksga160.harvard.edu	0
128.103.191.161	ksga161.harvard.edu	0
128.103.191.162	ksga162.harvard.edu	0
128.103.191.163	ksga163.harvard.edu	0
128.103.191.164	ksga164.harvard.edu	0
128.103.191.165	ksga165.harvard.edu	0
128.103.191.166	ksga166.harvard.edu	0
128.103.191.167	ksga167.harvard.edu	0
128.103.191.168	ksga168.harvard.edu	0
128.103.191.169	ksga169.harvard.edu	0
128.103.191.170	ksga170.harvard.edu	0
128.103.191.171	ksga171.harvard.edu	0
128.103.191.172	ksga172.harvard.edu	0
128.103.191.173	ksga173.harvard.edu	0
128.103.191.174	ksga174.harvard.edu	0
128.103.191.175	ksga175.harvard.edu	0
128.103.191.176	ksga176.harvard.edu	0
128.103.191.177	ksga177.harvard.edu	0
128.103.191.178	ksga178.harvard.edu	0
128.103.191.179	ksga179.harvard.edu	0
128.103.191.180	ksga180.harvard.edu	0
128.103.191.181	ksga181.harvard.edu	0
128.103.191.182	ksga182.harvard.edu	0
128.103.191.183	ksga183.harvard.edu	0
128.103.191.184	ksga184.harvard.edu	0
128.103.191.185	ksga185.harvard.edu	0
128.103.191.186	ksga186.harvard.edu	0
128.103.191.187	ksga187.harvard.edu	0
128.103.191.188	ksga188.harvard.edu	0
128.103.191.189	ksga189.harvard.edu	0
128.103.191.190	ksga190.harvard.edu	0
128.103.191.191	ksga191.harvard.edu	0
128.103.191.192	ksga192.harvard.edu	0
128.103.191.193	ksga193.harvard.edu	0
128.103.191.194	ksga194.harvard.edu	0
128.103.191.195	ksga195.harvard.edu	0
128.103.191.196	ksga196.harvard.edu	0
128.103.191.197	ksga197.harvard.edu	0
128.103.191.198	ksga198.harvard.edu	0
128.103.191.199	ksga199.harvard.edu	0
128.103.191.200	ksga200.harvard.edu	0
128.103.191.201	ksga201.harvard.edu	0
128.103.191.202	ksga202.harvard.edu	0
128.103.191.203	ksga203.harvard.edu	0
128.103.191.204	ksga204.harvard.edu	0
128.103.191.205	ksga205.harvard.edu	0
128.103.191.206	ksga206.harvard.edu	0
128.103.191.207	ksga207.harvard.edu	0
128.103.191.208	ksga208.harvard.edu	0
128.103.191.209	ksga209.harvard.edu	0
128.103.191.210	ksga210.harvard.edu	0
128.103.191.211	ksga211.harvard.edu	0
128.103.191.212	ksga212.harvard.edu	0
128.103.191.213	ksga213.harvard.edu	0
128.103.191.214	ksga214.harvard.edu	0
128.103.191.215	search.ksg.harvard.edu	0
128.103.191.216	ksga216.harvard.edu	0
128.103.191.217	ksga217.harvard.edu	0
128.103.191.218	ksga218.harvard.edu	0
128.103.191.219	ksga219.harvard.edu	0
128.103.191.220	ksga220.harvard.edu	0
128.103.191.221	ksga221.harvard.edu	0
128.103.191.222	ksga222.harvard.edu	0
128.103.191.223	ksga223.harvard.edu	0
128.103.191.224	ksga224.harvard.edu	0
128.103.191.225	ksga225.harvard.edu	0
128.103.191.226	ksga226.harvard.edu	0
128.103.191.227	ksga227.harvard.edu	0
128.103.191.228	ksga228.harvard.edu	0
128.103.191.229	ksga229.harvard.edu	0
128.103.191.230	ksga230.harvard.edu	0
128.103.191.231	ksga231.harvard.edu	0
128.103.191.232	ksga232.harvard.edu	0
128.103.191.233	ksga233.harvard.edu	0
128.103.191.234	ksga234.harvard.edu	0
128.103.191.235	ksga235.harvard.edu	0
128.103.191.236	ksga236.harvard.edu	0
128.103.191.237	ksga237.harvard.edu	0
128.103.191.238	ksga238.harvard.edu	0
128.103.191.239	ksga239.harvard.edu	0
128.103.191.240	ksga240.harvard.edu	0
128.103.191.241	ksga241.harvard.edu	0
128.103.191.242	ksga242.harvard.edu	0
128.103.191.243	ksgblue3.harvard.edu	0
128.103.191.244	ksga244.harvard.edu	0
128.103.191.245	ksga245.harvard.edu	0
128.103.191.246	ksga246.harvard.edu	0
128.103.191.247	ksga247.harvard.edu	0
128.103.191.248	ksga248.harvard.edu	0
128.103.191.249	ksga249.harvard.edu	0
128.103.191.250	ksga250.harvard.edu	0
128.103.191.251	ksga251.harvard.edu	0
128.103.191.252	ksga252.harvard.edu	0
128.103.191.253	ksga253.harvard.edu	0
128.103.191.254	ksga254.harvard.edu	0
128.103.191.255	—	0

Traceroute

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

traceroute -a -n -q1 -m5 128.103.191.102

traceroute to 128.103.191.102 (128.103.191.102): 5 hops max, 52 byte packets

1 [AS7195] 103.57.250.1 1.577 ms

2 [AS3356] 8.243.162.77 0.68 ms

3 *

4 *

5 *

Measurement taken from

IPinfo ProbeNet in Bogota, CO

On November 14th 2025