Summary

ASN	AS40831 Mass General Brigham Incorporated
BGP	155.52.0.0/17
IPs with RDNS	131
Hosted Domains	0
Pingable IPs	0
Router IPs	0


155.52.2.0	—	0
155.52.2.1	dfci-gw-v602.partners.org	0
155.52.2.2	dcores1-g-v602.partners.org	0
155.52.2.3	dcores2-g-v602.partners.org	0
155.52.2.4	—	0
155.52.2.5	—	0
155.52.2.6	—	0
155.52.2.7	—	0
155.52.2.8	—	0
155.52.2.9	—	0
155.52.2.10	—	0
155.52.2.11	325-q.dfci.harvard.edu	0
155.52.2.12	w0043225.dfci.harvard.edu	0
155.52.2.13	—	0
155.52.2.14	d3mriwb1.dfci.harvard.edu	0
155.52.2.15	77759.partners.org	0
155.52.2.16	74402.dfci.harvard.edu	0
155.52.2.17	w0041285.dfci.harvard.edu	0
155.52.2.18	twc8c9f4a.dfci.harvard.edu	0
155.52.2.19	—	0
155.52.2.20	77779.dfci.harvard.edu	0
155.52.2.21	—	0
155.52.2.22	dfrly03.dfci.harvard.edu	0
155.52.2.23	—	0
155.52.2.24	w0048008.dfci.harvard.edu	0
155.52.2.25	—	0
155.52.2.26	—	0
155.52.2.27	—	0
155.52.2.28	w0042109.dfci.harvard.edu	0
155.52.2.29	—	0
155.52.2.30	w0104698.dfci.harvard.edu	0
155.52.2.31	74222.dfci.harvard.edu	0
155.52.2.32	w0043426.dfci.harvard.edu	0
155.52.2.33	w0043318.dfci.harvard.edu	0
155.52.2.34	w0043431.dfci.harvard.edu	0
155.52.2.35	—	0
155.52.2.36	w0043038.dfci.harvard.edu	0
155.52.2.37	—	0
155.52.2.38	w0042115.dfci.harvard.edu	0
155.52.2.39	w0119316.dfci.harvard.edu	0
155.52.2.40	—	0
155.52.2.41	w0105459.dfci.harvard.edu	0
155.52.2.42	w0042410.dfci.harvard.edu	0
155.52.2.43	—	0
155.52.2.44	w0049952.dfci.harvard.edu	0
155.52.2.45	w0107848.dfci.harvard.edu	0
155.52.2.46	—	0
155.52.2.47	w0107009.dfci.harvard.edu	0
155.52.2.48	74129.dfci.harvard.edu	0
155.52.2.49	w0043199.dfci.harvard.edu	0
155.52.2.50	—	0
155.52.2.51	—	0
155.52.2.52	—	0
155.52.2.53	npi95631b.dfci.harvard.edu	0
155.52.2.54	d3ppslbl.dfci.harvard.edu	0
155.52.2.55	r00jet10.dfci.harvard.edu	0
155.52.2.56	79538.dfci.harvard.edu	0
155.52.2.57	—	0
155.52.2.58	—	0
155.52.2.59	w0041863.dfci.harvard.edu	0
155.52.2.60	dfci-pc.dfci.harvard.edu	0
155.52.2.61	w0040444.dfci.harvard.edu	0
155.52.2.62	w0111282.dfci.harvard.edu	0
155.52.2.63	w0041202.dfci.harvard.edu	0
155.52.2.64	—	0
155.52.2.65	w0042095.dfci.harvard.edu	0
155.52.2.66	xrx-0000aa671ae9.dfci.harvard.edu	0
155.52.2.67	w0043200.dfci.harvard.edu	0
155.52.2.68	w0112101.dfci.harvard.edu	0
155.52.2.69	w00107184.dfci.harvard.edu	0
155.52.2.70	lisas-imac-2.dfci.harvard.edu	0
155.52.2.71	w0042557.dfci.harvard.edu	0
155.52.2.72	—	0
155.52.2.73	w0117861.dfci.harvard.edu	0
155.52.2.74	—	0
155.52.2.75	—	0
155.52.2.76	—	0
155.52.2.77	w0042112.dfci.harvard.edu	0
155.52.2.78	—	0
155.52.2.79	intermec25f60f.dfci.harvard.edu	0
155.52.2.80	—	0
155.52.2.81	—	0
155.52.2.82	—	0
155.52.2.83	w0043584.dfci.harvard.edu	0
155.52.2.84	—	0
155.52.2.85	w0111533.dfci.harvard.edu	0
155.52.2.86	w0048021.dfci.harvard.edu	0
155.52.2.87	—	0
155.52.2.88	w0101934.dfci.harvard.edu	0
155.52.2.89	—	0
155.52.2.90	w0048167.dfci.harvard.edu	0
155.52.2.91	—	0
155.52.2.92	—	0
155.52.2.93	w0119009.dfci.harvard.edu	0
155.52.2.94	w0119256.dfci.harvard.edu	0
155.52.2.95	—	0
155.52.2.96	—	0
155.52.2.97	—	0
155.52.2.98	w0042094.dfci.harvard.edu	0
155.52.2.99	w0043534.dfci.harvard.edu	0
155.52.2.100	—	0
155.52.2.101	w0119242.dfci.harvard.edu	0
155.52.2.102	w0117363.dfci.harvard.edu	0
155.52.2.103	—	0
155.52.2.104	w00107187.dfci.harvard.edu	0
155.52.2.105	w0119119.dfci.harvard.edu	0
155.52.2.106	w0041858.dfci.harvard.edu	0
155.52.2.107	w0040741.dfci.harvard.edu	0
155.52.2.108	w0110107.dfci.harvard.edu	0
155.52.2.109	w0043428.dfci.harvard.edu	0
155.52.2.110	w0105664.dfci.harvard.edu	0
155.52.2.111	700094.dfci.harvard.edu	0
155.52.2.112	—	0
155.52.2.113	w0042089.dfci.harvard.edu	0
155.52.2.114	w0042116.dfci.harvard.edu	0
155.52.2.115	—	0
155.52.2.116	—	0
155.52.2.117	w0117364.dfci.harvard.edu	0
155.52.2.118	w0119056.dfci.harvard.edu	0
155.52.2.119	—	0
155.52.2.120	w0040514.dfci.harvard.edu	0
155.52.2.121	—	0
155.52.2.122	w0041735.dfci.harvard.edu	0
155.52.2.123	—	0
155.52.2.124	—	0
155.52.2.125	3948910.partners.org	0
155.52.2.126	w0119323.dfci.harvard.edu	0
155.52.2.127	w0119142.dfci.harvard.edu	0
155.52.2.128	—	0
155.52.2.129	—	0
155.52.2.130	w0040394.dfci.harvard.edu	0
155.52.2.131	w0040279.dfci.harvard.edu	0
155.52.2.132	w0116001.dfci.harvard.edu	0
155.52.2.133	w0101937.dfci.harvard.edu	0
155.52.2.134	w0043319.dfci.harvard.edu	0
155.52.2.135	—	0
155.52.2.136	w0040392.dfci.harvard.edu	0
155.52.2.137	w0043985.dfci.harvard.edu	0
155.52.2.138	w0107500.dfci.harvard.edu	0
155.52.2.139	w0062920.dfci.harvard.edu	0
155.52.2.140	74093d314.dfci.harvard.edu	0
155.52.2.141	npie55c9a.dfci.harvard.edu	0
155.52.2.142	—	0
155.52.2.143	—	0
155.52.2.144	w0040394.dfci.harvard.edu	0
155.52.2.145	w0043589.dfci.harvard.edu	0
155.52.2.146	w0114622.dfci.harvard.edu	0
155.52.2.147	—	0
155.52.2.148	intermec1352fb.dfci.harvard.edu	0
155.52.2.149	—	0
155.52.2.150	—	0
155.52.2.151	w0114190.dfci.harvard.edu	0
155.52.2.152	miit-d169.dfci.harvard.edu	0
155.52.2.153	w0119287.dfci.harvard.edu	0
155.52.2.154	—	0
155.52.2.155	74152.dfci.harvard.edu	0
155.52.2.156	—	0
155.52.2.157	w0043429.dfci.harvard.edu	0
155.52.2.158	mrc35348.dfci.harvard.edu	0
155.52.2.159	mrsc2826.dfci.harvard.edu	0
155.52.2.160	—	0
155.52.2.161	w0043432.dfci.harvard.edu	0
155.52.2.162	—	0
155.52.2.163	mrsc35348.dfci.harvard.edu	0
155.52.2.164	155-udp341493uds.dfci.harvard.edu	0
155.52.2.165	w0108384.dfci.harvard.edu	0
155.52.2.166	w0116002.dfci.harvard.edu	0
155.52.2.167	w0100044.dfci.harvard.edu	0
155.52.2.168	w0048157.dfci.harvard.edu	0
155.52.2.169	npi82291d.dfci.harvard.edu	0
155.52.2.170	w0043423.dfci.harvard.edu	0
155.52.2.171	marthas-imac.dfci.harvard.edu	0
155.52.2.172	lisas-imac.dfci.harvard.edu	0
155.52.2.173	w0041436.dfci.harvard.edu	0
155.52.2.174	75957b.dfci.harvard.edu	0
155.52.2.175	w0116114.dfci.harvard.edu	0
155.52.2.176	w0100375.dfci.harvard.edu	0
155.52.2.177	00215a83a116.dfci.harvard.edu	0
155.52.2.178	w0048017.dfci.harvard.edu	0
155.52.2.179	w0043420.dfci.harvard.edu	0
155.52.2.180	w0042083.dfci.harvard.edu	0
155.52.2.181	otp003720ots.dfci.harvard.edu	0
155.52.2.182	—	0
155.52.2.183	—	0
155.52.2.184	701288.partners.org	0
155.52.2.185	—	0
155.52.2.186	—	0
155.52.2.187	w0115216.dfci.harvard.edu	0
155.52.2.188	—	0
155.52.2.189	w0111481.dfci.harvard.edu	0
155.52.2.190	w0042092.dfci.harvard.edu	0
155.52.2.191	pediwb1.dfci.harvard.edu	0
155.52.2.192	—	0
155.52.2.193	w0042097.dfci.harvard.edu	0
155.52.2.194	—	0
155.52.2.195	—	0
155.52.2.196	—	0
155.52.2.197	w0040812.dfci.harvard.edu	0
155.52.2.198	—	0
155.52.2.199	w0042237.dfci.harvard.edu	0
155.52.2.200	—	0
155.52.2.201	w0043567.dfci.harvard.edu	0
155.52.2.202	w0042108.dfci.harvard.edu	0
155.52.2.203	—	0
155.52.2.204	w0041859.dfci.harvard.edu	0
155.52.2.205	—	0
155.52.2.206	—	0
155.52.2.207	—	0
155.52.2.208	w0042127.dfci.harvard.edu	0
155.52.2.209	701921.partners.org	0
155.52.2.210	—	0
155.52.2.211	—	0
155.52.2.212	—	0
155.52.2.213	—	0
155.52.2.214	—	0
155.52.2.215	—	0
155.52.2.216	—	0
155.52.2.217	—	0
155.52.2.218	—	0
155.52.2.219	—	0
155.52.2.220	—	0
155.52.2.221	—	0
155.52.2.222	—	0
155.52.2.223	—	0
155.52.2.224	—	0
155.52.2.225	—	0
155.52.2.226	—	0
155.52.2.227	—	0
155.52.2.228	—	0
155.52.2.229	—	0
155.52.2.230	—	0
155.52.2.231	—	0
155.52.2.232	—	0
155.52.2.233	—	0
155.52.2.234	—	0
155.52.2.235	—	0
155.52.2.236	—	0
155.52.2.237	—	0
155.52.2.238	—	0
155.52.2.239	—	0
155.52.2.240	—	0
155.52.2.241	—	0
155.52.2.242	—	0
155.52.2.243	—	0
155.52.2.244	—	0
155.52.2.245	—	0
155.52.2.246	—	0
155.52.2.247	—	0
155.52.2.248	—	0
155.52.2.249	—	0
155.52.2.250	—	0
155.52.2.251	—	0
155.52.2.252	—	0
155.52.2.253	—	0
155.52.2.254	—	0
155.52.2.255	—	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 -m9 155.52.2.130

traceroute to 155.52.2.130 (155.52.2.130): 9 hops max, 52 byte packets

5 [AS3356] 4.69.219.114 115.604 ms

6 [AS3356] 4.4.200.98 115.148 ms

7 *

8 *

9 *

Measurement taken from

IPinfo ProbeNet in Sao Paulo, BR

On December 28th 2025