Summary

ASN	AS40831 Mass General Brigham Incorporated
BGP	170.223.0.0/16
IPs with RDNS	88
Hosted Domains	0
Pingable IPs	0
Router IPs	0


170.223.49.0	—	0
170.223.49.1	gateway-vlan825.nsmc.partners.org	0
170.223.49.2	acores1msfc-g-vlan825.nsmc.partners.org	0
170.223.49.3	acores2-g-vlan825.nsmc.partners.org	0
170.223.49.4	—	0
170.223.49.5	—	0
170.223.49.6	—	0
170.223.49.7	—	0
170.223.49.8	—	0
170.223.49.9	—	0
170.223.49.10	—	0
170.223.49.11	aaxl5s1ups.nsmc.partners.org	0
170.223.49.12	—	0
170.223.49.13	—	0
170.223.49.14	nsmcd2154361.nsmc.partners.org	0
170.223.49.15	nsmcd2154366.nsmc.partners.org	0
170.223.49.16	nsmcd2034701.nsmc.partners.org	0
170.223.49.17	—	0
170.223.49.18	csc-9946-0.nsmc.partners.org	0
170.223.49.19	nsmcd2154546.nsmc.partners.org	0
170.223.49.20	nsmcd2036094.nsmc.partners.org	0
170.223.49.21	nsmcd2146390.nsmc.partners.org	0
170.223.49.22	—	0
170.223.49.23	—	0
170.223.49.24	—	0
170.223.49.25	—	0
170.223.49.26	—	0
170.223.49.27	nsmcd2151088.nsmc.partners.org	0
170.223.49.28	—	0
170.223.49.29	—	0
170.223.49.30	—	0
170.223.49.31	—	0
170.223.49.32	nsmcd2054881.nsmc.partners.org	0
170.223.49.33	—	0
170.223.49.34	nsmcd2052115.nsmc.partners.org	0
170.223.49.35	—	0
170.223.49.36	—	0
170.223.49.37	nsmcd2154548.nsmc.partners.org	0
170.223.49.38	—	0
170.223.49.39	—	0
170.223.49.40	—	0
170.223.49.41	nsmcieterm.nsmc.partners.org	0
170.223.49.42	nsmcd2143381.nsmc.partners.org	0
170.223.49.43	—	0
170.223.49.44	csc016674-0.nsmc.partners.org	0
170.223.49.45	—	0
170.223.49.46	—	0
170.223.49.47	nsmcd2052744.nsmc.partners.org	0
170.223.49.48	nsmcd2093280.nsmc.partners.org	0
170.223.49.49	—	0
170.223.49.50	nsmcd2057912.nsmc.partners.org	0
170.223.49.51	—	0
170.223.49.52	nsmcd2155226.nsmc.partners.org	0
170.223.49.53	—	0
170.223.49.54	—	0
170.223.49.55	—	0
170.223.49.56	—	0
170.223.49.57	nsmcd2074348.nsmc.partners.org	0
170.223.49.58	csc-p2200305.nsmc.partners.org	0
170.223.49.59	—	0
170.223.49.60	—	0
170.223.49.61	—	0
170.223.49.62	nsmcd2154360.nsmc.partners.org	0
170.223.49.63	csc011788-0.nsmc.partners.org	0
170.223.49.64	—	0
170.223.49.65	—	0
170.223.49.66	nsmccardserver1.nsmc.partners.org	0
170.223.49.67	nsmcd2154926.nsmc.partners.org	0
170.223.49.68	—	0
170.223.49.69	—	0
170.223.49.70	—	0
170.223.49.71	—	0
170.223.49.72	—	0
170.223.49.73	csc012859-0.nsmc.partners.org	0
170.223.49.74	—	0
170.223.49.75	—	0
170.223.49.76	csc-sm-5656117.nsmc.partners.org	0
170.223.49.77	—	0
170.223.49.78	nsmcd2149832.nsmc.partners.org	0
170.223.49.79	—	0
170.223.49.80	—	0
170.223.49.81	—	0
170.223.49.82	—	0
170.223.49.83	—	0
170.223.49.84	nsmcd2069121.nsmc.partners.org	0
170.223.49.85	—	0
170.223.49.86	—	0
170.223.49.87	csc014827-0.nsmc.partners.org	0
170.223.49.88	—	0
170.223.49.89	—	0
170.223.49.90	nsmcd2053625.nsmc.partners.org	0
170.223.49.91	csc014828-0.nsmc.partners.org	0
170.223.49.92	csc014829-0.nsmc.partners.org	0
170.223.49.93	csc014830-0.nsmc.partners.org	0
170.223.49.94	csc014839-0.nsmc.partners.org	0
170.223.49.95	—	0
170.223.49.96	nsmcd2151086.nsmc.partners.org	0
170.223.49.97	—	0
170.223.49.98	csc015489-0.nsmc.partners.org	0
170.223.49.99	—	0
170.223.49.100	—	0
170.223.49.101	—	0
170.223.49.102	nsmcd2151084.nsmc.partners.org	0
170.223.49.103	nsmcd2060743.nsmc.partners.org	0
170.223.49.104	nsmcd2151680.nsmc.partners.org	0
170.223.49.105	nsmcd2152347.nsmc.partners.org	0
170.223.49.106	nsmcd2074831.nsmc.partners.org	0
170.223.49.107	—	0
170.223.49.108	—	0
170.223.49.109	nsmcd2074829.nsmc.partners.org	0
170.223.49.110	nsmcd2118436.nsmc.partners.org	0
170.223.49.111	nsmcd2143479.nsmc.partners.org	0
170.223.49.112	nsmcd2149831.nsmc.partners.org	0
170.223.49.113	nsmcd2154370.nsmc.partners.org	0
170.223.49.114	nsmcd2146391.nsmc.partners.org	0
170.223.49.115	—	0
170.223.49.116	nsmcd2146388.nsmc.partners.org	0
170.223.49.117	—	0
170.223.49.118	—	0
170.223.49.119	nsmcd2106121.nsmc.partners.org	0
170.223.49.120	nsmcd2154514.nsmc.partners.org	0
170.223.49.121	—	0
170.223.49.122	—	0
170.223.49.123	nsmcd2160814.nsmc.partners.org	0
170.223.49.124	—	0
170.223.49.125	—	0
170.223.49.126	—	0
170.223.49.127	—	0
170.223.49.128	nsmcd2116436.nsmc.partners.org	0
170.223.49.129	nsmcd2069122.nsmc.partners.org	0
170.223.49.130	—	0
170.223.49.131	—	0
170.223.49.132	—	0
170.223.49.133	—	0
170.223.49.134	—	0
170.223.49.135	—	0
170.223.49.136	—	0
170.223.49.137	—	0
170.223.49.138	nsmcd2146392.nsmc.partners.org	0
170.223.49.139	—	0
170.223.49.140	—	0
170.223.49.141	—	0
170.223.49.142	nsmcd2069278.nsmc.partners.org	0
170.223.49.143	nsmcd2143483.nsmc.partners.org	0
170.223.49.144	—	0
170.223.49.145	—	0
170.223.49.146	—	0
170.223.49.147	nsmcd2154543.nsmc.partners.org	0
170.223.49.148	nsmcd2143480.nsmc.partners.org	0
170.223.49.149	—	0
170.223.49.150	nsmcd2136497.nsmc.partners.org	0
170.223.49.151	nsmcd2136496.nsmc.partners.org	0
170.223.49.152	—	0
170.223.49.153	nsmcd2095794.nsmc.partners.org	0
170.223.49.154	nsmcd2154975.nsmc.partners.org	0
170.223.49.155	—	0
170.223.49.156	—	0
170.223.49.157	—	0
170.223.49.158	nsmcd2154539.nsmc.partners.org	0
170.223.49.159	—	0
170.223.49.160	nsmcd2105083.nsmc.partners.org	0
170.223.49.161	nsmcd2155227.nsmc.partners.org	0
170.223.49.162	—	0
170.223.49.163	—	0
170.223.49.164	—	0
170.223.49.165	—	0
170.223.49.166	nsmcd2106488.nsmc.partners.org	0
170.223.49.167	—	0
170.223.49.168	medrecptr1.nsmc.partners.org	0
170.223.49.169	medrecptr2.nsmc.partners.org	0
170.223.49.170	—	0
170.223.49.171	—	0
170.223.49.172	nsmcd2154559.nsmc.partners.org	0
170.223.49.173	—	0
170.223.49.174	—	0
170.223.49.175	—	0
170.223.49.176	—	0
170.223.49.177	—	0
170.223.49.178	—	0
170.223.49.179	—	0
170.223.49.180	—	0
170.223.49.181	—	0
170.223.49.182	—	0
170.223.49.183	nsmcd2154365.nsmc.partners.org	0
170.223.49.184	—	0
170.223.49.185	—	0
170.223.49.186	nsmcd2081679.nsmc.partners.org	0
170.223.49.187	—	0
170.223.49.188	—	0
170.223.49.189	—	0
170.223.49.190	—	0
170.223.49.191	—	0
170.223.49.192	—	0
170.223.49.193	—	0
170.223.49.194	—	0
170.223.49.195	—	0
170.223.49.196	—	0
170.223.49.197	—	0
170.223.49.198	—	0
170.223.49.199	—	0
170.223.49.200	—	0
170.223.49.201	—	0
170.223.49.202	—	0
170.223.49.203	—	0
170.223.49.204	—	0
170.223.49.205	—	0
170.223.49.206	—	0
170.223.49.207	—	0
170.223.49.208	—	0
170.223.49.209	—	0
170.223.49.210	—	0
170.223.49.211	—	0
170.223.49.212	—	0
170.223.49.213	—	0
170.223.49.214	—	0
170.223.49.215	—	0
170.223.49.216	—	0
170.223.49.217	—	0
170.223.49.218	—	0
170.223.49.219	—	0
170.223.49.220	—	0
170.223.49.221	—	0
170.223.49.222	—	0
170.223.49.223	—	0
170.223.49.224	—	0
170.223.49.225	—	0
170.223.49.226	—	0
170.223.49.227	—	0
170.223.49.228	w000165813w.nsmc.partners.org	0
170.223.49.229	w000165814w.nsmc.partners.org	0
170.223.49.230	w000165815w.nsmc.partners.org	0
170.223.49.231	otp011192ots.nsmc.partners.org	0
170.223.49.232	w000149751w.nsmc.partners.org	0
170.223.49.233	w000149752w.nsmc.partners.org	0
170.223.49.234	—	0
170.223.49.235	otp008797ots.nsmc.partners.org	0
170.223.49.236	—	0
170.223.49.237	w000120691w.nsmc.partners.org	0
170.223.49.238	collins.nsmc.partners.org	0
170.223.49.239	—	0
170.223.49.240	sh-hlbn.nsmc.partners.org	0
170.223.49.241	csc012996-0.nsmc.partners.org	0
170.223.49.242	otp003491ots.nsmc.partners.org	0
170.223.49.243	otp003139ots.nsmc.partners.org	0
170.223.49.244	—	0
170.223.49.245	—	0
170.223.49.246	—	0
170.223.49.247	—	0
170.223.49.248	—	0
170.223.49.249	—	0
170.223.49.250	—	0
170.223.49.251	—	0
170.223.49.252	—	0
170.223.49.253	—	0
170.223.49.254	—	0
170.223.49.255	—	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 -m8 170.223.49.68

traceroute to 170.223.49.68 (170.223.49.68): 8 hops max, 52 byte packets

4 [AS6939] 184.104.195.114 6.211 ms

5 [AS7713] 198.32.176.128 4.329 ms

6 *

7 *

8 *

Measurement taken from

IPinfo ProbeNet in Fremont, US

On March 5, 2026