Summary

ASN	AS395139 NewYork-Presbyterian Hospital
BGP	156.145.0.0/18
IPs with RDNS	101
Hosted Domains	0
Pingable IPs	0
Router IPs	0


156.145.42.0	—	0
156.145.42.1	—	0
156.145.42.2	—	0
156.145.42.3	—	0
156.145.42.4	—	0
156.145.42.5	—	0
156.145.42.6	bh08nguzman.cpmc.columbia.edu	0
156.145.42.7	—	0
156.145.42.8	bh08squinn3.cpmc.columbia.edu	0
156.145.42.9	bh08squinn4.cpmc.columbia.edu	0
156.145.42.10	bh08buckley.cpmc.columbia.edu	0
156.145.42.11	—	0
156.145.42.12	—	0
156.145.42.13	bh08timeclock.cpmc.columbia.edu	0
156.145.42.14	—	0
156.145.42.15	—	0
156.145.42.16	—	0
156.145.42.17	—	0
156.145.42.18	bh08squinn10.cpmc.columbia.edu	0
156.145.42.19	bh08buckley1.cpmc.columbia.edu	0
156.145.42.20	bh8s-glucose.cpmc.columbia.edu	0
156.145.42.21	—	0
156.145.42.22	bh08nroye.cpmc.columbia.edu	0
156.145.42.23	—	0
156.145.42.24	—	0
156.145.42.25	—	0
156.145.42.26	bh08liu001.cpmc.columbia.edu	0
156.145.42.27	—	0
156.145.42.28	—	0
156.145.42.29	—	0
156.145.42.30	bh08guzman.cpmc.columbia.edu	0
156.145.42.31	bhn8mohamed.cpmc.columbia.edu	0
156.145.42.32	bh8soriano.cpmc.columbia.edu	0
156.145.42.33	bh08springs5.cpmc.columbia.edu	0
156.145.42.34	bh08lee.cpmc.columbia.edu	0
156.145.42.35	—	0
156.145.42.36	—	0
156.145.42.37	—	0
156.145.42.38	—	0
156.145.42.39	—	0
156.145.42.40	—	0
156.145.42.41	—	0
156.145.42.42	—	0
156.145.42.43	—	0
156.145.42.44	—	0
156.145.42.45	—	0
156.145.42.46	—	0
156.145.42.47	bh08nroye2.cpmc.columbia.edu	0
156.145.42.48	bh08nroye3.cpmc.columbia.edu	0
156.145.42.49	bh08liu.cpmc.columbia.edu	0
156.145.42.50	bh08liu002.cpmc.columbia.edu	0
156.145.42.51	bh08n209873.cpmc.columbia.edu	0
156.145.42.52	bh08sjordan.cpmc.columbia.edu	0
156.145.42.53	—	0
156.145.42.54	—	0
156.145.42.55	—	0
156.145.42.56	ch08ortho23.orthosrg.cpmc.columbia.edu	0
156.145.42.57	bh08vitale.cpmc.columbia.edu	0
156.145.42.58	—	0
156.145.42.59	bh08lynch.cpmc.columbia.edu	0
156.145.42.60	bh08pak.cpmc.columbia.edu	0
156.145.42.61	ch08no231103.cpmc.columbia.edu	0
156.145.42.62	—	0
156.145.42.63	bh08best.cpmc.columbia.edu	0
156.145.42.64	bh08roye2.cpmc.columbia.edu	0
156.145.42.65	ch08ortho02.orthosrg.cpmc.columbia.edu	0
156.145.42.66	—	0
156.145.42.67	bh8-kad2103.cpmc.columbia.edu	0
156.145.42.68	—	0
156.145.42.69	chn08ortsrg003.orthosrg.cpmc.columbia.edu	0
156.145.42.70	bhb08no208966.cpmc.columbia.edu	0
156.145.42.71	chn833-othpd1.cpmc.columbia.edu	0
156.145.42.72	bh08roye.cpmc.columbia.edu	0
156.145.42.73	bhn08ortho29.cpmc.columbia.edu	0
156.145.42.74	bh08choe.cpmc.columbia.edu	0
156.145.42.75	—	0
156.145.42.76	dyn008410.cpmc.columbia.edu	0
156.145.42.77	—	0
156.145.42.78	—	0
156.145.42.79	dyn008413.cpmc.columbia.edu	0
156.145.42.80	dyn008414.cpmc.columbia.edu	0
156.145.42.81	dyn008415.cpmc.columbia.edu	0
156.145.42.82	dyn008416.cpmc.columbia.edu	0
156.145.42.83	—	0
156.145.42.84	ch08ortho17.orthosrg.cpmc.columbia.edu	0
156.145.42.85	bhn08ortho07.cpmc.columbia.edu	0
156.145.42.86	—	0
156.145.42.87	—	0
156.145.42.88	dyn008422.cpmc.columbia.edu	0
156.145.42.89	chn08os06l1.mc.cumc.columbia.edu	0
156.145.42.90	dyn008424.cpmc.columbia.edu	0
156.145.42.91	—	0
156.145.42.92	—	0
156.145.42.93	—	0
156.145.42.94	chn08vitale.cpmc.columbia.edu	0
156.145.42.95	—	0
156.145.42.96	—	0
156.145.42.97	bh08najara6.cpmc.columbia.edu	0
156.145.42.98	ch08no241942.cpmc.columbia.edu	0
156.145.42.99	bh08najara8.cpmc.columbia.edu	0
156.145.42.100	ch08no241943.cpmc.columbia.edu	0
156.145.42.101	ch08no231171.cpmc.columbia.edu	0
156.145.42.102	ch08no231165.cpmc.columbia.edu	0
156.145.42.103	bh08najara12.cpmc.columbia.edu	0
156.145.42.104	—	0
156.145.42.105	chn08os04l1a.mc.cumc.columbia.edu	0
156.145.42.106	bh8n-roye.cpmc.columbia.edu	0
156.145.42.107	bh08guzman4.cpmc.columbia.edu	0
156.145.42.108	ch801d-othpd3.cpmc.columbia.edu	0
156.145.42.109	ch08ortho21.orthosrg.cpmc.columbia.edu	0
156.145.42.110	—	0
156.145.42.111	—	0
156.145.42.112	—	0
156.145.42.113	bh08malenzi4.cpmc.columbia.edu	0
156.145.42.114	—	0
156.145.42.115	ch08ortho26.orthosrg.cpmc.columbia.edu	0
156.145.42.116	bh08mitsengendler.cpmc.columbia.edu	0
156.145.42.117	—	0
156.145.42.118	bh8nbalseca.orthosrg.cpmc.columbia.edu	0
156.145.42.119	chn08ortsrg012.orthosrg.cpmc.columbia.edu	0
156.145.42.120	chn08sparepc.cpmc.columbia.edu	0
156.145.42.121	bh08gomez.cpmc.columbia.edu	0
156.145.42.122	bh08lynch2.cpmc.columbia.edu	0
156.145.42.123	bh08gomez2.cpmc.columbia.edu	0
156.145.42.124	—	0
156.145.42.125	—	0
156.145.42.126	—	0
156.145.42.127	ch08ortho13.orthosrg.cpmc.columbia.edu	0
156.145.42.128	ch08ortho12.orthosrg.cpmc.columbia.edu	0
156.145.42.129	—	0
156.145.42.130	chn801d-othpd7.cpmc.columbia.edu	0
156.145.42.131	chn801d-othpd6.mc.cumc.columbia.edu	0
156.145.42.132	—	0
156.145.42.133	chn833-othpd5.cpmc.columbia.edu	0
156.145.42.134	ch801d-othpd.cpmc.columbia.edu	0
156.145.42.135	chn820-othpd11.mc.cumc.columbia.edu	0
156.145.42.136	bhn08lynch10.cpmc.columbia.edu	0
156.145.42.137	—	0
156.145.42.138	—	0
156.145.42.139	—	0
156.145.42.140	ch08no241941.cpmc.columbia.edu	0
156.145.42.141	—	0
156.145.42.142	bh08-santa.cpmc.columbia.edu	0
156.145.42.143	chn08os01l1.mc.cumc.columbia.edu	0
156.145.42.144	chn08os02l1.mc.cumc.columbia.edu	0
156.145.42.145	—	0
156.145.42.146	chn08os04l1.mc.cumc.columbia.edu	0
156.145.42.147	chn08os05l1.mc.cumc.columbia.edu	0
156.145.42.148	chn800-othpd1.mc.cumc.columbia.edu	0
156.145.42.149	—	0
156.145.42.150	chn801d-othpd9.mc.cumc.columbia.edu	0
156.145.42.151	—	0
156.145.42.152	—	0
156.145.42.153	—	0
156.145.42.154	—	0
156.145.42.155	chc839-othpd3.cpmc.columbia.edu	0
156.145.42.156	—	0
156.145.42.157	ch08ortho22.mc.cumc.columbia.edu	0
156.145.42.158	—	0
156.145.42.159	ch08ortho30.mc.cumc.columbia.edu	0
156.145.42.160	—	0
156.145.42.161	ch08ortho31.mc.cumc.columbia.edu	0
156.145.42.162	ch08ortho32.mc.cumc.columbia.edu	0
156.145.42.163	ch08ortho35.mc.cumc.columbia.edu	0
156.145.42.164	—	0
156.145.42.165	—	0
156.145.42.166	—	0
156.145.42.167	—	0
156.145.42.168	—	0
156.145.42.169	—	0
156.145.42.170	ch08no239868.cpmc.columbia.edu	0
156.145.42.171	—	0
156.145.42.172	—	0
156.145.42.173	—	0
156.145.42.174	—	0
156.145.42.175	—	0
156.145.42.176	—	0
156.145.42.177	—	0
156.145.42.178	—	0
156.145.42.179	—	0
156.145.42.180	—	0
156.145.42.181	—	0
156.145.42.182	—	0
156.145.42.183	—	0
156.145.42.184	—	0
156.145.42.185	—	0
156.145.42.186	—	0
156.145.42.187	—	0
156.145.42.188	—	0
156.145.42.189	—	0
156.145.42.190	—	0
156.145.42.191	chc839-othpd2.cpmc.columbia.edu	0
156.145.42.192	—	0
156.145.42.193	—	0
156.145.42.194	bhn08ortho40.mc.cumc.columbia.edu	0
156.145.42.195	—	0
156.145.42.196	—	0
156.145.42.197	—	0
156.145.42.198	—	0
156.145.42.199	—	0
156.145.42.200	ch08so257555.cpmc.columbia.edu	0
156.145.42.201	—	0
156.145.42.202	chn833-othpd2.cpmc.columbia.edu	0
156.145.42.203	chn804-othpd2.mc.cumc.columbia.edu	0
156.145.42.204	—	0
156.145.42.205	—	0
156.145.42.206	—	0
156.145.42.207	—	0
156.145.42.208	—	0
156.145.42.209	—	0
156.145.42.210	—	0
156.145.42.211	—	0
156.145.42.212	—	0
156.145.42.213	—	0
156.145.42.214	—	0
156.145.42.215	—	0
156.145.42.216	—	0
156.145.42.217	—	0
156.145.42.218	—	0
156.145.42.219	—	0
156.145.42.220	—	0
156.145.42.221	—	0
156.145.42.222	—	0
156.145.42.223	—	0
156.145.42.224	—	0
156.145.42.225	—	0
156.145.42.226	—	0
156.145.42.227	—	0
156.145.42.228	—	0
156.145.42.229	—	0
156.145.42.230	—	0
156.145.42.231	—	0
156.145.42.232	—	0
156.145.42.233	—	0
156.145.42.234	—	0
156.145.42.235	dyn013618-bh08.cpmc.columbia.edu	0
156.145.42.236	—	0
156.145.42.237	—	0
156.145.42.238	dyn013621-bh08.cpmc.columbia.edu	0
156.145.42.239	—	0
156.145.42.240	—	0
156.145.42.241	dyn013624-bh08.cpmc.columbia.edu	0
156.145.42.242	dyn013625-bh08.cpmc.columbia.edu	0
156.145.42.243	—	0
156.145.42.244	—	0
156.145.42.245	—	0
156.145.42.246	dyn013629-bh08.cpmc.columbia.edu	0
156.145.42.247	—	0
156.145.42.248	—	0
156.145.42.249	—	0
156.145.42.250	—	0
156.145.42.251	—	0
156.145.42.252	—	0
156.145.42.253	—	0
156.145.42.254	—	0
156.145.42.255	—	0

Traceroute

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

traceroute -a -n -q1 -f3 -m7 156.145.42.81

traceroute to 156.145.42.81 (156.145.42.81): 7 hops max, 52 byte packets

3 [AS3356] 4.69.219.114 118.783 ms

4 [AS3356] 4.36.4.154 118.989 ms

5 *

6 *

7 *

Measurement taken from

IPinfo ProbeNet in Santiago, CL

On December 14th 2025