Summary

ASN	AS40831 Mass General Brigham Incorporated
BGP	170.223.0.0/16
IPs with RDNS	58
Hosted Domains	0
Pingable IPs	0
Router IPs	0


170.223.3.0	—	0
170.223.3.1	ndc-gw-481.partners.org	0
170.223.3.2	ecores3-10g-v481.partners.org	0
170.223.3.3	ecores4-10g-v481.partners.org	0
170.223.3.4	—	0
170.223.3.5	—	0
170.223.3.6	phsps32.partners.org	0
170.223.3.7	pcapps2.partners.org	0
170.223.3.8	—	0
170.223.3.9	phsps12.partners.org	0
170.223.3.10	phsweb358-www.partners.org	0
170.223.3.11	eris.partners.org	0
170.223.3.12	phsweb430-www.partners.org	0
170.223.3.13	phssmartweb2.partners.org	0
170.223.3.14	phssmartweb2-www.partners.org	0
170.223.3.15	phssmartweb4.partners.org	0
170.223.3.16	phssmartweb4-www.partners.org	0
170.223.3.17	phslxftp2.partners.org	0
170.223.3.18	avstream-bwhav.media.partners.org	0
170.223.3.19	phsweb468-www.partners.org	0
170.223.3.20	phspstweb2old.dfci.harvard.edu	0
170.223.3.21	—	0
170.223.3.22	phsweb111-www.partners.org	0
170.223.3.23	phsweb358.partners.org	0
170.223.3.24	phspstweb2-wwwold.dfci.harvard.edu	0
170.223.3.25	phssql282.partners.org	0
170.223.3.26	—	0
170.223.3.27	—	0
170.223.3.28	phsweb560.partners.org	0
170.223.3.29	phsweb560-www.partners.org	0
170.223.3.30	phswssp4new4.partners.org	0
170.223.3.31	—	0
170.223.3.32	—	0
170.223.3.33	—	0
170.223.3.34	—	0
170.223.3.35	—	0
170.223.3.36	—	0
170.223.3.37	—	0
170.223.3.38	—	0
170.223.3.39	—	0
170.223.3.40	—	0
170.223.3.41	—	0
170.223.3.42	—	0
170.223.3.43	—	0
170.223.3.44	—	0
170.223.3.45	—	0
170.223.3.46	—	0
170.223.3.47	—	0
170.223.3.48	—	0
170.223.3.49	b547columbiar1-56k-s0.partners.org	0
170.223.3.50	b415columbiar1-56k-s0-0.partners.org	0
170.223.3.51	—	0
170.223.3.52	—	0
170.223.3.53	—	0
170.223.3.54	—	0
170.223.3.55	—	0
170.223.3.56	—	0
170.223.3.57	—	0
170.223.3.58	—	0
170.223.3.59	—	0
170.223.3.60	—	0
170.223.3.61	—	0
170.223.3.62	—	0
170.223.3.63	—	0
170.223.3.64	—	0
170.223.3.65	—	0
170.223.3.66	—	0
170.223.3.67	—	0
170.223.3.68	—	0
170.223.3.69	—	0
170.223.3.70	—	0
170.223.3.71	—	0
170.223.3.72	—	0
170.223.3.73	—	0
170.223.3.74	—	0
170.223.3.75	—	0
170.223.3.76	—	0
170.223.3.77	hvma-fr256-s1-1.partners.org	0
170.223.3.78	b101coolidger1-fr384-s0-16.partners.org	0
170.223.3.79	—	0
170.223.3.80	—	0
170.223.3.81	—	0
170.223.3.82	—	0
170.223.3.83	—	0
170.223.3.84	—	0
170.223.3.85	—	0
170.223.3.86	—	0
170.223.3.87	—	0
170.223.3.88	—	0
170.223.3.89	—	0
170.223.3.90	—	0
170.223.3.91	—	0
170.223.3.92	—	0
170.223.3.93	—	0
170.223.3.94	—	0
170.223.3.95	—	0
170.223.3.96	—	0
170.223.3.97	—	0
170.223.3.98	—	0
170.223.3.99	—	0
170.223.3.100	—	0
170.223.3.101	—	0
170.223.3.102	—	0
170.223.3.103	—	0
170.223.3.104	—	0
170.223.3.105	—	0
170.223.3.106	—	0
170.223.3.107	—	0
170.223.3.108	—	0
170.223.3.109	—	0
170.223.3.110	—	0
170.223.3.111	—	0
170.223.3.112	—	0
170.223.3.113	—	0
170.223.3.114	—	0
170.223.3.115	—	0
170.223.3.116	—	0
170.223.3.117	—	0
170.223.3.118	—	0
170.223.3.119	—	0
170.223.3.120	—	0
170.223.3.121	—	0
170.223.3.122	—	0
170.223.3.123	—	0
170.223.3.124	—	0
170.223.3.125	—	0
170.223.3.126	—	0
170.223.3.127	—	0
170.223.3.128	—	0
170.223.3.129	—	0
170.223.3.130	—	0
170.223.3.131	—	0
170.223.3.132	—	0
170.223.3.133	—	0
170.223.3.134	—	0
170.223.3.135	—	0
170.223.3.136	—	0
170.223.3.137	—	0
170.223.3.138	—	0
170.223.3.139	—	0
170.223.3.140	—	0
170.223.3.141	—	0
170.223.3.142	—	0
170.223.3.143	—	0
170.223.3.144	—	0
170.223.3.145	—	0
170.223.3.146	—	0
170.223.3.147	—	0
170.223.3.148	—	0
170.223.3.149	—	0
170.223.3.150	—	0
170.223.3.151	—	0
170.223.3.152	—	0
170.223.3.153	phs-harvard-multicast-tun0.partners.org	0
170.223.3.154	harvard-phs-multicast-tun0.partners.org	0
170.223.3.155	—	0
170.223.3.156	—	0
170.223.3.157	ewans1-g-g1-2.partners.org	0
170.223.3.158	ndssiemens-f-f0-0.partners.org	0
170.223.3.159	—	0
170.223.3.160	—	0
170.223.3.161	vlan13-gw.partners.org	0
170.223.3.162	bcores1-g-v13.partners.org	0
170.223.3.163	bcores2-g-v13.partners.org	0
170.223.3.164	—	0
170.223.3.165	—	0
170.223.3.166	—	0
170.223.3.167	—	0
170.223.3.168	—	0
170.223.3.169	—	0
170.223.3.170	—	0
170.223.3.171	—	0
170.223.3.172	bcorecca-trust-vip1.netsec.partners.org	0
170.223.3.173	bcorecca1.netsec.partners.org	0
170.223.3.174	bcorecca2.netsec.partners.org	0
170.223.3.175	—	0
170.223.3.176	—	0
170.223.3.177	vlan916-gateway.partners.org	0
170.223.3.178	mcores3-vlan916.partners.org	0
170.223.3.179	mcores4-vlan916.partners.org	0
170.223.3.180	—	0
170.223.3.181	—	0
170.223.3.182	—	0
170.223.3.183	—	0
170.223.3.184	—	0
170.223.3.185	pia-pat-address.partners.org	0
170.223.3.186	—	0
170.223.3.187	—	0
170.223.3.188	mcorecca-trust-vip1.netsec.partners.org	0
170.223.3.189	mcorecca1.netsec.partners.org	0
170.223.3.190	mcorecca2.netsec.partners.org	0
170.223.3.191	—	0
170.223.3.192	—	0
170.223.3.193	b20lincolnr1-fe0.partners.org	0
170.223.3.194	b20lincolnbs1.partners.org	0
170.223.3.195	—	0
170.223.3.196	—	0
170.223.3.197	—	0
170.223.3.198	—	0
170.223.3.199	—	0
170.223.3.200	—	0
170.223.3.201	—	0
170.223.3.202	74996.partners.org	0
170.223.3.203	—	0
170.223.3.204	—	0
170.223.3.205	—	0
170.223.3.206	—	0
170.223.3.207	—	0
170.223.3.208	—	0
170.223.3.209	—	0
170.223.3.210	—	0
170.223.3.211	—	0
170.223.3.212	—	0
170.223.3.213	—	0
170.223.3.214	—	0
170.223.3.215	—	0
170.223.3.216	—	0
170.223.3.217	—	0
170.223.3.218	—	0
170.223.3.219	—	0
170.223.3.220	—	0
170.223.3.221	—	0
170.223.3.222	—	0
170.223.3.223	—	0
170.223.3.224	—	0
170.223.3.225	ndc-gw-v500.partners.org	0
170.223.3.226	ewans1-g-v500.partners.org	0
170.223.3.227	ewans2-g-v500.partners.org	0
170.223.3.228	ewansx-fwsm.partners.org	0
170.223.3.229	ewans1-fwsm-v500.partners.org	0
170.223.3.230	ewansx-dynamic-nat-in.partners.org	0
170.223.3.231	—	0
170.223.3.232	—	0
170.223.3.233	ewans2-g-g1-2.partners.org	0
170.223.3.234	ndcseimens-f-f0-1.partners.org	0
170.223.3.235	—	0
170.223.3.236	—	0
170.223.3.237	ecores5-g-g5-2.partners.org	0
170.223.3.238	ecores6-g-g5-2.partners.org	0
170.223.3.239	—	0
170.223.3.240	—	0
170.223.3.241	—	0
170.223.3.242	—	0
170.223.3.243	—	0
170.223.3.244	—	0
170.223.3.245	—	0
170.223.3.246	—	0
170.223.3.247	—	0
170.223.3.248	—	0
170.223.3.249	—	0
170.223.3.250	—	0
170.223.3.251	—	0
170.223.3.252	—	0
170.223.3.253	—	0
170.223.3.254	—	0
170.223.3.255	—	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 170.223.3.170

traceroute to 170.223.3.170 (170.223.3.170): 5 hops max, 52 byte packets

1 [AS21554] 38.39.182.126 39.776 ms

2 [AS21554] 66.185.29.137 172.646 ms

3 *

4 *

5 *

Measurement taken from

IPinfo ProbeNet in Milwaukee, US

On March 20, 2026