Summary

ASN	AS40831 Mass General Brigham Incorporated
BGP	132.183.0.0/17
IPs with RDNS	50
Hosted Domains	0
Pingable IPs	256
Router IPs	0


132.183.81.0	—	0
132.183.81.1	accgw81.mgh.harvard.edu	0
132.183.81.2	—	0
132.183.81.3	—	0
132.183.81.4	—	0
132.183.81.5	—	0
132.183.81.6	—	0
132.183.81.7	—	0
132.183.81.8	—	0
132.183.81.9	—	0
132.183.81.10	—	0
132.183.81.11	—	0
132.183.81.12	—	0
132.183.81.13	—	0
132.183.81.14	—	0
132.183.81.15	—	0
132.183.81.16	—	0
132.183.81.17	—	0
132.183.81.18	w0048899.mgh.harvard.edu	0
132.183.81.19	—	0
132.183.81.20	—	0
132.183.81.21	—	0
132.183.81.22	csc-76262.partners.org	0
132.183.81.23	csc-73762.mgh.harvard.edu	0
132.183.81.24	—	0
132.183.81.25	csc-77685.mgh.harvard.edu	0
132.183.81.26	—	0
132.183.81.27	csc-73366.mgh.harvard.edu	0
132.183.81.28	—	0
132.183.81.29	—	0
132.183.81.30	npifc69e6.mgh.harvard.edu	0
132.183.81.31	—	0
132.183.81.32	—	0
132.183.81.33	—	0
132.183.81.34	—	0
132.183.81.35	—	0
132.183.81.36	—	0
132.183.81.37	—	0
132.183.81.38	—	0
132.183.81.39	csc-a1691.mgh.harvard.edu	0
132.183.81.40	csc-a1690.mgh.harvard.edu	0
132.183.81.41	csc-83855.mgh.harvard.edu	0
132.183.81.42	csc-a00672.mgh.harvard.edu	0
132.183.81.43	—	0
132.183.81.44	csc-76741.mgh.harvard.edu	0
132.183.81.45	csc-74375.mgh.harvard.edu	0
132.183.81.46	csc-73472.mgh.harvard.edu	0
132.183.81.47	csc-73473.mgh.harvard.edu	0
132.183.81.48	—	0
132.183.81.49	csc-73435.mgh.harvard.edu	0
132.183.81.50	—	0
132.183.81.51	—	0
132.183.81.52	—	0
132.183.81.53	otp003324ots.mgh.harvard.edu	0
132.183.81.54	—	0
132.183.81.55	—	0
132.183.81.56	—	0
132.183.81.57	—	0
132.183.81.58	otp003325ots.mgh.harvard.edu	0
132.183.81.59	otp003326ots.mgh.harvard.edu	0
132.183.81.60	—	0
132.183.81.61	—	0
132.183.81.62	—	0
132.183.81.63	—	0
132.183.81.64	—	0
132.183.81.65	—	0
132.183.81.66	—	0
132.183.81.67	—	0
132.183.81.68	—	0
132.183.81.69	—	0
132.183.81.70	—	0
132.183.81.71	—	0
132.183.81.72	mgh-dr.mgh.harvard.edu	0
132.183.81.73	—	0
132.183.81.74	—	0
132.183.81.75	—	0
132.183.81.76	—	0
132.183.81.77	—	0
132.183.81.78	csc-21203.mgh.harvard.edu	0
132.183.81.79	csc-21204.mgh.harvard.edu	0
132.183.81.80	csc-21205.mgh.harvard.edu	0
132.183.81.81	csc-21206.mgh.harvard.edu	0
132.183.81.82	csc-74376.mgh.harvard.edu	0
132.183.81.83	—	0
132.183.81.84	—	0
132.183.81.85	—	0
132.183.81.86	csc-76261.mgh.harvard.edu	0
132.183.81.87	—	0
132.183.81.88	—	0
132.183.81.89	—	0
132.183.81.90	—	0
132.183.81.91	—	0
132.183.81.92	—	0
132.183.81.93	—	0
132.183.81.94	—	0
132.183.81.95	—	0
132.183.81.96	—	0
132.183.81.97	otp003327ots.mgh.harvard.edu	0
132.183.81.98	—	0
132.183.81.99	—	0
132.183.81.100	w0025049.mgh.harvard.edu	0
132.183.81.101	petxt4.mgh.harvard.edu	0
132.183.81.102	—	0
132.183.81.103	—	0
132.183.81.104	—	0
132.183.81.105	—	0
132.183.81.106	csc-24486.mgh.harvard.edu	0
132.183.81.107	—	0
132.183.81.108	csc-73619.mgh.harvard.edu	0
132.183.81.109	csc-73623.mgh.harvard.edu	0
132.183.81.110	w0061027.mgh.harvard.edu	0
132.183.81.111	—	0
132.183.81.112	—	0
132.183.81.113	csc-73699.mgh.harvard.edu	0
132.183.81.114	csc-73700.mgh.harvard.edu	0
132.183.81.115	—	0
132.183.81.116	—	0
132.183.81.117	—	0
132.183.81.118	—	0
132.183.81.119	—	0
132.183.81.120	—	0
132.183.81.121	—	0
132.183.81.122	—	0
132.183.81.123	otp003165ots.mgh.harvard.edu	0
132.183.81.124	—	0
132.183.81.125	—	0
132.183.81.126	—	0
132.183.81.127	—	0
132.183.81.128	—	0
132.183.81.129	—	0
132.183.81.130	—	0
132.183.81.131	—	0
132.183.81.132	—	0
132.183.81.133	—	0
132.183.81.134	—	0
132.183.81.135	—	0
132.183.81.136	—	0
132.183.81.137	—	0
132.183.81.138	—	0
132.183.81.139	—	0
132.183.81.140	—	0
132.183.81.141	—	0
132.183.81.142	—	0
132.183.81.143	—	0
132.183.81.144	—	0
132.183.81.145	—	0
132.183.81.146	—	0
132.183.81.147	—	0
132.183.81.148	—	0
132.183.81.149	—	0
132.183.81.150	—	0
132.183.81.151	—	0
132.183.81.152	—	0
132.183.81.153	—	0
132.183.81.154	—	0
132.183.81.155	csc-75561.mgh.harvard.edu	0
132.183.81.156	—	0
132.183.81.157	—	0
132.183.81.158	—	0
132.183.81.159	—	0
132.183.81.160	—	0
132.183.81.161	—	0
132.183.81.162	—	0
132.183.81.163	—	0
132.183.81.164	csc-6562g.mgh.harvard.edu	0
132.183.81.165	csc-6563h.mgh.harvard.edu	0
132.183.81.166	csc-6564j.mgh.harvard.edu	0
132.183.81.167	—	0
132.183.81.168	—	0
132.183.81.169	—	0
132.183.81.170	—	0
132.183.81.171	—	0
132.183.81.172	—	0
132.183.81.173	—	0
132.183.81.174	—	0
132.183.81.175	—	0
132.183.81.176	—	0
132.183.81.177	—	0
132.183.81.178	csc-0445h.mgh.harvard.edu	0
132.183.81.179	csc-0507a.mgh.harvard.edu	0
132.183.81.180	—	0
132.183.81.181	—	0
132.183.81.182	—	0
132.183.81.183	w0025047.mgh.harvard.edu	0
132.183.81.184	—	0
132.183.81.185	—	0
132.183.81.186	—	0
132.183.81.187	—	0
132.183.81.188	—	0
132.183.81.189	w0065155w.mgh.harvard.edu	0
132.183.81.190	—	0
132.183.81.191	csc010637-0.mgh.harvard.edu	0
132.183.81.192	—	0
132.183.81.193	—	0
132.183.81.194	—	0
132.183.81.195	csc-p8686r.mgh.harvard.edu	0
132.183.81.196	—	0
132.183.81.197	—	0
132.183.81.198	—	0
132.183.81.199	—	0
132.183.81.200	—	0
132.183.81.201	—	0
132.183.81.202	—	0
132.183.81.203	—	0
132.183.81.204	—	0
132.183.81.205	w0087131.mgh.harvard.edu	0
132.183.81.206	—	0
132.183.81.207	—	0
132.183.81.208	—	0
132.183.81.209	—	0
132.183.81.210	—	0
132.183.81.211	—	0
132.183.81.212	—	0
132.183.81.213	—	0
132.183.81.214	—	0
132.183.81.215	—	0
132.183.81.216	—	0
132.183.81.217	—	0
132.183.81.218	—	0
132.183.81.219	—	0
132.183.81.220	—	0
132.183.81.221	—	0
132.183.81.222	—	0
132.183.81.223	—	0
132.183.81.224	—	0
132.183.81.225	—	0
132.183.81.226	—	0
132.183.81.227	—	0
132.183.81.228	—	0
132.183.81.229	—	0
132.183.81.230	—	0
132.183.81.231	—	0
132.183.81.232	—	0
132.183.81.233	—	0
132.183.81.234	—	0
132.183.81.235	—	0
132.183.81.236	w0026676w.mgh.harvard.edu	0
132.183.81.237	—	0
132.183.81.238	—	0
132.183.81.239	—	0
132.183.81.240	—	0
132.183.81.241	—	0
132.183.81.242	—	0
132.183.81.243	—	0
132.183.81.244	—	0
132.183.81.245	w0065154w.mgh.harvard.edu	0
132.183.81.246	—	0
132.183.81.247	—	0
132.183.81.248	—	0
132.183.81.249	—	0
132.183.81.250	w0065153w.mgh.harvard.edu	0
132.183.81.251	—	0
132.183.81.252	—	0
132.183.81.253	—	0
132.183.81.254	—	0
132.183.81.255	—	0

Traceroute

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

traceroute -a -n -q1 -m4 132.183.81.0

traceroute to 132.183.81.0 (132.183.81.0): 4 hops max, 52 byte packets

1 [AS263812] 190.103.177.1 0.123 ms

2 *

3 *

4 *

Measurement taken from

IPinfo ProbeNet in Cordoba, AR

On November 22nd 2025