Summary

ASN	AS3477 National Oceanic and Atmospheric Administration
BGP	140.172.0.0/16
IPs with RDNS	81
Hosted Domains	0
Pingable IPs	0
Router IPs	0


140.172.7.0	—	0
140.172.7.1	mdf-rtr-7.boulder.noaa.gov	0
140.172.7.2	mdf-mlx8-7.boulder.noaa.gov	0
140.172.7.3	newowamp.boulder.noaa.gov	0
140.172.7.4	eumetsat.boulder.noaa.gov	0
140.172.7.5	—	0
140.172.7.6	—	0
140.172.7.7	—	0
140.172.7.8	—	0
140.172.7.9	—	0
140.172.7.10	—	0
140.172.7.11	—	0
140.172.7.12	—	0
140.172.7.13	—	0
140.172.7.14	—	0
140.172.7.15	—	0
140.172.7.16	ngs-save-16.boulder.noaa.gov	0
140.172.7.17	class-pub1.boulder.noaa.gov	0
140.172.7.18	ngswest.ngs.noaa.gov	0
140.172.7.19	class-pub2.boulder.noaa.gov	0
140.172.7.20	class-pub3.boulder.noaa.gov	0
140.172.7.21	ngs-save-21.boulder.noaa.gov	0
140.172.7.22	ngs-save-22.boulder.noaa.gov	0
140.172.7.23	ngs-save-23.boulder.noaa.gov	0
140.172.7.24	ngs-save-24.boulder.noaa.gov	0
140.172.7.25	ngs-save-25.boulder.noaa.gov	0
140.172.7.26	ngs-save-26.boulder.noaa.gov	0
140.172.7.27	ngs-save.boulder.noaa.gov	0
140.172.7.28	ngs-save-28.boulder.noaa.gov	0
140.172.7.29	ngs1-save.boulder.noaa.gov	0
140.172.7.30	alt.ngs.noaa.gov	0
140.172.7.31	ngs-fw.boulder.noaa.gov	0
140.172.7.32	dns.denv.nwave.noaa.gov	0
140.172.7.33	—	0
140.172.7.34	oregon.boulder.noaa.gov	0
140.172.7.35	nwave-vtc1.boulder.noaa.gov	0
140.172.7.36	nwave-vtc2.boulder.noaa.gov	0
140.172.7.37	2c129-vtc.boulder.noaa.gov	0
140.172.7.38	—	0
140.172.7.39	—	0
140.172.7.40	ncirt-40.boulder.noaa.gov	0
140.172.7.41	ncirt-41.boulder.noaa.gov	0
140.172.7.42	ncirt-42.boulder.noaa.gov	0
140.172.7.43	ncirt-43.boulder.noaa.gov	0
140.172.7.44	ncirt-44.boulder.noaa.gov	0
140.172.7.45	ncirt-45.boulder.noaa.gov	0
140.172.7.46	ncirt-46.boulder.noaa.gov	0
140.172.7.47	ncirt-47.boulder.noaa.gov	0
140.172.7.48	ncirt-48.boulder.noaa.gov	0
140.172.7.49	ncirt-fw.boulder.noaa.gov	0
140.172.7.50	dsrc-mgmt.boulder.noaa.gov	0
140.172.7.51	irc-mgmt.boulder.noaa.gov	0
140.172.7.52	—	0
140.172.7.53	—	0
140.172.7.54	—	0
140.172.7.55	—	0
140.172.7.56	ncsc-e1.boulder.noaa.gov	0
140.172.7.57	ncsc-e2.boulder.noaa.gov	0
140.172.7.58	—	0
140.172.7.59	—	0
140.172.7.60	fortinet-test.boulder.noaa.gov	0
140.172.7.61	dall-mgmt-temp.boulder.noaa.gov	0
140.172.7.62	—	0
140.172.7.63	—	0
140.172.7.64	—	0
140.172.7.65	gsd-ftp-test.boulder.noaa.gov	0
140.172.7.66	gsd-kiosk.boulder.noaa.gov	0
140.172.7.67	gsd-perf-test.boulder.noaa.gov	0
140.172.7.68	—	0
140.172.7.69	—	0
140.172.7.70	nwave.oob.boulder.noaa.gov	0
140.172.7.71	nwave-desktop-fw.boulder.noaa.gov	0
140.172.7.72	—	0
140.172.7.73	—	0
140.172.7.74	—	0
140.172.7.75	—	0
140.172.7.76	gmd-srx-test.boulder.noaa.gov	0
140.172.7.77	srx210-test.boulder.noaa.gov	0
140.172.7.78	3700d.boulder.noaa.gov	0
140.172.7.79	—	0
140.172.7.80	—	0
140.172.7.81	—	0
140.172.7.82	—	0
140.172.7.83	—	0
140.172.7.84	—	0
140.172.7.85	—	0
140.172.7.86	—	0
140.172.7.87	—	0
140.172.7.88	—	0
140.172.7.89	—	0
140.172.7.90	—	0
140.172.7.91	—	0
140.172.7.92	—	0
140.172.7.93	—	0
140.172.7.94	—	0
140.172.7.95	—	0
140.172.7.96	oar-vtc-mgmt.boulder.noaa.gov	0
140.172.7.97	—	0
140.172.7.98	—	0
140.172.7.99	—	0
140.172.7.100	—	0
140.172.7.101	—	0
140.172.7.102	—	0
140.172.7.103	—	0
140.172.7.104	—	0
140.172.7.105	—	0
140.172.7.106	—	0
140.172.7.107	—	0
140.172.7.108	—	0
140.172.7.109	—	0
140.172.7.110	—	0
140.172.7.111	—	0
140.172.7.112	—	0
140.172.7.113	—	0
140.172.7.114	—	0
140.172.7.115	—	0
140.172.7.116	—	0
140.172.7.117	—	0
140.172.7.118	—	0
140.172.7.119	—	0
140.172.7.120	—	0
140.172.7.121	—	0
140.172.7.122	—	0
140.172.7.123	—	0
140.172.7.124	—	0
140.172.7.125	—	0
140.172.7.126	—	0
140.172.7.127	—	0
140.172.7.128	—	0
140.172.7.129	—	0
140.172.7.130	—	0
140.172.7.131	—	0
140.172.7.132	—	0
140.172.7.133	—	0
140.172.7.134	—	0
140.172.7.135	—	0
140.172.7.136	—	0
140.172.7.137	—	0
140.172.7.138	—	0
140.172.7.139	—	0
140.172.7.140	—	0
140.172.7.141	—	0
140.172.7.142	—	0
140.172.7.143	—	0
140.172.7.144	—	0
140.172.7.145	—	0
140.172.7.146	—	0
140.172.7.147	—	0
140.172.7.148	—	0
140.172.7.149	—	0
140.172.7.150	—	0
140.172.7.151	—	0
140.172.7.152	—	0
140.172.7.153	—	0
140.172.7.154	—	0
140.172.7.155	—	0
140.172.7.156	—	0
140.172.7.157	—	0
140.172.7.158	—	0
140.172.7.159	—	0
140.172.7.160	dhcp0-7.boulder.noaa.gov	0
140.172.7.161	dhcp1-7.boulder.noaa.gov	0
140.172.7.162	dhcp2-7.boulder.noaa.gov	0
140.172.7.163	dhcp3-7.boulder.noaa.gov	0
140.172.7.164	—	0
140.172.7.165	—	0
140.172.7.166	—	0
140.172.7.167	—	0
140.172.7.168	—	0
140.172.7.169	—	0
140.172.7.170	—	0
140.172.7.171	—	0
140.172.7.172	—	0
140.172.7.173	—	0
140.172.7.174	—	0
140.172.7.175	—	0
140.172.7.176	—	0
140.172.7.177	—	0
140.172.7.178	—	0
140.172.7.179	—	0
140.172.7.180	ngs-gps.boulder.noaa.gov	0
140.172.7.181	ngs-gps1.boulder.noaa.gov	0
140.172.7.182	—	0
140.172.7.183	—	0
140.172.7.184	—	0
140.172.7.185	—	0
140.172.7.186	—	0
140.172.7.187	—	0
140.172.7.188	—	0
140.172.7.189	—	0
140.172.7.190	—	0
140.172.7.191	—	0
140.172.7.192	—	0
140.172.7.193	nws-gslb.boulder.noaa.gov	0
140.172.7.194	vip-nws-gslb.boulder.noaa.gov	0
140.172.7.195	—	0
140.172.7.196	—	0
140.172.7.197	—	0
140.172.7.198	—	0
140.172.7.199	—	0
140.172.7.200	—	0
140.172.7.201	—	0
140.172.7.202	—	0
140.172.7.203	—	0
140.172.7.204	—	0
140.172.7.205	—	0
140.172.7.206	—	0
140.172.7.207	—	0
140.172.7.208	—	0
140.172.7.209	woc-farm.boulder.noaa.gov	0
140.172.7.210	—	0
140.172.7.211	—	0
140.172.7.212	—	0
140.172.7.213	—	0
140.172.7.214	—	0
140.172.7.215	—	0
140.172.7.216	—	0
140.172.7.217	oar-vtc-2.boulder.noaa.gov	0
140.172.7.218	2b518-vtc-mgr.boulder.noaa.gov	0
140.172.7.219	1c411-vtc.boulder.noaa.gov	0
140.172.7.220	oar-vtc.boulder.noaa.gov	0
140.172.7.221	vtc.boulder.noaa.gov	0
140.172.7.222	—	0
140.172.7.223	cmdl-pptp.boulder.noaa.gov	0
140.172.7.224	vtc-2.boulder.noaa.gov	0
140.172.7.225	video.boulder.noaa.gov	0
140.172.7.226	—	0
140.172.7.227	director-vtc.esrl.noaa.gov	0
140.172.7.228	oar-vtc-3.esrl.noaa.gov	0
140.172.7.229	vtc-3.boulder.noaa.gov	0
140.172.7.230	1d403-vtc.boulder.noaa.gov	0
140.172.7.231	jwilsey-vtc.boulder.noaa.gov	0
140.172.7.232	2c406-vtc.boulder.noaa.gov	0
140.172.7.233	swpc-isdn-gw.boulder.noaa.gov	0
140.172.7.234	ocio-sdd-vtc.boulder.noaa.gov	0
140.172.7.235	—	0
140.172.7.236	—	0
140.172.7.237	—	0
140.172.7.238	—	0
140.172.7.239	—	0
140.172.7.240	—	0
140.172.7.241	ag.boulder.noaa.gov	0
140.172.7.242	—	0
140.172.7.243	—	0
140.172.7.244	—	0
140.172.7.245	—	0
140.172.7.246	—	0
140.172.7.247	—	0
140.172.7.248	—	0
140.172.7.249	nocvpnclient.boulder.noaa.gov	0
140.172.7.250	—	0
140.172.7.251	alcatraz.boulder.noaa.gov	0
140.172.7.252	wlc-nat.boulder.noaa.gov	0
140.172.7.253	bnoc-dhcp-7.boulder.noaa.gov	0
140.172.7.254	dmz-rtr-7.boulder.noaa.gov	0
140.172.7.255	—	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 140.172.7.184

traceroute to 140.172.7.184 (140.172.7.184): 5 hops max, 52 byte packets

1 [AS15169] 142.251.49.69 131.065 ms

2 [AS14041] 192.43.217.139 129.18 ms

3 *

4 *

5 *

Measurement taken from

IPinfo ProbeNet in Oudeschip, NL

On March 13, 2026