Summary

ASN	AS3527 National Institutes of Health
BGP	128.231.0.0/16
IPs with RDNS	108
Hosted Domains	0
Pingable IPs	0
Router IPs	0


128.231.112.0	—	0
128.231.112.1	—	0
128.231.112.2	—	0
128.231.112.3	urner.niddk.nih.gov	0
128.231.112.4	frye.niddk.nih.gov	0
128.231.112.5	joiner.niddk.nih.gov	0
128.231.112.6	10aa1.niddk.nih.gov	0
128.231.112.7	10pa1.niddk.nih.gov	0
128.231.112.8	10pa2.niddk.nih.gov	0
128.231.112.9	daniels.niddk.nih.gov	0
128.231.112.10	spiegel.niddk.nih.gov	0
128.231.112.11	adams.niddk.nih.gov	0
128.231.112.12	gbbsg1.niddk.nih.gov	0
128.231.112.13	blom.niddk.nih.gov	0
128.231.112.14	steers.niddk.nih.gov	0
128.231.112.15	10pa4.niddk.nih.gov	0
128.231.112.16	greenv.niddk.nih.gov	0
128.231.112.17	bfoltin.niddk.nih.gov	0
128.231.112.18	balow.niddk.nih.gov	0
128.231.112.19	pfrye.niddk.nih.gov	0
128.231.112.20	10pa3.niddk.nih.gov	0
128.231.112.21	buckholt.niddk.nih.gov	0
128.231.112.22	handon.niddk.nih.gov	0
128.231.112.23	marx.niddk.nih.gov	0
128.231.112.24	conley.niddk.nih.gov	0
128.231.112.25	schmidt.niddk.nih.gov	0
128.231.112.26	russo.niddk.nih.gov	0
128.231.112.27	weinstein.niddk.nih.gov	0
128.231.112.28	tjones.niddk.nih.gov	0
128.231.112.29	mpblc1.niddk.nih.gov	0
128.231.112.30	mpbiix.niddk.nih.gov	0
128.231.112.31	mpbas.niddk.nih.gov	0
128.231.112.32	simmonds.niddk.nih.gov	0
128.231.112.33	mpblc2.niddk.nih.gov	0
128.231.112.34	goldsmith.niddk.nih.gov	0
128.231.112.35	—	0
128.231.112.36	—	0
128.231.112.37	admin.forms.niddk.nih.gov	0
128.231.112.38	atoz.niddk.nih.gov	0
128.231.112.39	conferences.niddk.nih.gov	0
128.231.112.40	ddktoday.niddk.nih.gov	0
128.231.112.41	surveybuilder.niddk.nih.gov	0
128.231.112.42	workgroups.niddk.nih.gov	0
128.231.112.43	cas.niddk.nih.gov	0
128.231.112.44	ddb205a.niddk.nih.gov	0
128.231.112.45	remote.niddk.nih.gov	0
128.231.112.46	jensen.niddk.nih.gov	0
128.231.112.47	adriand.niddk.nih.gov	0
128.231.112.48	hawker.niddk.nih.gov	0
128.231.112.49	—	0
128.231.112.50	work.niddk.nih.gov	0
128.231.112.51	—	0
128.231.112.52	—	0
128.231.112.53	—	0
128.231.112.54	—	0
128.231.112.55	—	0
128.231.112.56	—	0
128.231.112.57	dkitwprd1.niddk.nih.gov	0
128.231.112.58	—	0
128.231.112.59	—	0
128.231.112.60	—	0
128.231.112.61	ta1.niddk.nih.gov	0
128.231.112.62	pregnancystudy.niddk.nih.gov	0
128.231.112.63	—	0
128.231.112.64	—	0
128.231.112.65	—	0
128.231.112.66	—	0
128.231.112.67	—	0
128.231.112.68	—	0
128.231.112.69	—	0
128.231.112.70	—	0
128.231.112.71	—	0
128.231.112.72	—	0
128.231.112.73	—	0
128.231.112.74	—	0
128.231.112.75	—	0
128.231.112.76	—	0
128.231.112.77	—	0
128.231.112.78	—	0
128.231.112.79	—	0
128.231.112.80	dkd2nxcl.niddk.nih.gov	0
128.231.112.81	dkd2nxesx-7.niddk.nih.gov	0
128.231.112.82	dkd2nxesx-8.niddk.nih.gov	0
128.231.112.83	dkd2nxesx-9.niddk.nih.gov	0
128.231.112.84	dkd2nxesx-1.niddk.nih.gov	0
128.231.112.85	dkd2nxesx-2.niddk.nih.gov	0
128.231.112.86	dkd2nxesx-3.niddk.nih.gov	0
128.231.112.87	dkd2nxesx-4.niddk.nih.gov	0
128.231.112.88	dkd2nxesx-5.niddk.nih.gov	0
128.231.112.89	dkd2nxesx-6.niddk.nih.gov	0
128.231.112.90	—	0
128.231.112.91	—	0
128.231.112.92	—	0
128.231.112.93	—	0
128.231.112.94	—	0
128.231.112.95	—	0
128.231.112.96	—	0
128.231.112.97	—	0
128.231.112.98	—	0
128.231.112.99	—	0
128.231.112.100	dkb8nxcl.niddk.nih.gov	0
128.231.112.101	—	0
128.231.112.102	—	0
128.231.112.103	—	0
128.231.112.104	—	0
128.231.112.105	—	0
128.231.112.106	—	0
128.231.112.107	—	0
128.231.112.108	—	0
128.231.112.109	—	0
128.231.112.110	—	0
128.231.112.111	dkd2nxesx-10.niddk.nih.gov	0
128.231.112.112	dkd2nxesx-11.niddk.nih.gov	0
128.231.112.113	dkd2nxesx-12.niddk.nih.gov	0
128.231.112.114	dkd2nxesx-13.niddk.nih.gov	0
128.231.112.115	dkd2nxesx-14.niddk.nih.gov	0
128.231.112.116	dkd2nxesx-15.niddk.nih.gov	0
128.231.112.117	dkb8nxesx7.niddk.nih.gov	0
128.231.112.118	dkb8nxesx8.niddk.nih.gov	0
128.231.112.119	dkb8nxesx9.niddk.nih.gov	0
128.231.112.120	—	0
128.231.112.121	—	0
128.231.112.122	—	0
128.231.112.123	—	0
128.231.112.124	mceb.niddk.nih.gov	0
128.231.112.125	—	0
128.231.112.126	—	0
128.231.112.127	—	0
128.231.112.128	—	0
128.231.112.129	—	0
128.231.112.130	—	0
128.231.112.131	—	0
128.231.112.132	—	0
128.231.112.133	—	0
128.231.112.134	—	0
128.231.112.135	—	0
128.231.112.136	—	0
128.231.112.137	—	0
128.231.112.138	—	0
128.231.112.139	—	0
128.231.112.140	—	0
128.231.112.141	cryosparc.niddk.nih.gov	0
128.231.112.142	kelvindk.niddk.nih.gov	0
128.231.112.143	dkio.niddk.nih.gov	0
128.231.112.144	—	0
128.231.112.145	—	0
128.231.112.146	dksplunkindex1.niddk.nih.gov	0
128.231.112.147	dksplunkindex2.niddk.nih.gov	0
128.231.112.148	—	0
128.231.112.149	—	0
128.231.112.150	dksplunkuf1.niddk.nih.gov	0
128.231.112.151	—	0
128.231.112.152	quad1.niddk.nih.gov	0
128.231.112.153	quad2.niddk.nih.gov	0
128.231.112.154	quad3.niddk.nih.gov	0
128.231.112.155	quad4.niddk.nih.gov	0
128.231.112.156	—	0
128.231.112.157	quad2.ipmi.niddk.nih.gov	0
128.231.112.158	quad3.ipmi.niddk.nih.gov	0
128.231.112.159	quad4.ipmi.niddk.nih.gov	0
128.231.112.160	dkhpcrocks.niddk.nih.gov	0
128.231.112.161	—	0
128.231.112.162	dkwulf1.niddk.nih.gov	0
128.231.112.163	dkwulf2.niddk.nih.gov	0
128.231.112.164	dkwulf3.niddk.nih.gov	0
128.231.112.165	dkwulf4.niddk.nih.gov	0
128.231.112.166	dkwulf5.niddk.nih.gov	0
128.231.112.167	—	0
128.231.112.168	—	0
128.231.112.169	—	0
128.231.112.170	niddkb8dxi.niddk.nih.gov	0
128.231.112.171	—	0
128.231.112.172	—	0
128.231.112.173	—	0
128.231.112.174	—	0
128.231.112.175	—	0
128.231.112.176	—	0
128.231.112.177	—	0
128.231.112.178	—	0
128.231.112.179	—	0
128.231.112.180	—	0
128.231.112.181	—	0
128.231.112.182	—	0
128.231.112.183	—	0
128.231.112.184	—	0
128.231.112.185	—	0
128.231.112.186	—	0
128.231.112.187	—	0
128.231.112.188	—	0
128.231.112.189	—	0
128.231.112.190	—	0
128.231.112.191	—	0
128.231.112.192	—	0
128.231.112.193	—	0
128.231.112.194	—	0
128.231.112.195	—	0
128.231.112.196	—	0
128.231.112.197	—	0
128.231.112.198	—	0
128.231.112.199	dkb8nutanixcl.niddk.nih.gov	0
128.231.112.200	dkd2nxvdicl.niddk.nih.gov	0
128.231.112.201	dkd2vdiesx1.niddk.nih.gov	0
128.231.112.202	—	0
128.231.112.203	dkd2vdiesx2.niddk.nih.gov	0
128.231.112.204	lbm2.niddk.nih.gov	0
128.231.112.205	dkd2vdiesx3.niddk.nih.gov	0
128.231.112.206	parsagian.niddk.nih.gov	0
128.231.112.207	dkd2vdiesx4.niddk.nih.gov	0
128.231.112.208	grollman.niddk.nih.gov	0
128.231.112.209	dkb8nutesx1.niddk.nih.gov	0
128.231.112.210	fp5-9n.niddk.nih.gov	0
128.231.112.211	dkb8nutesx2.niddk.nih.gov	0
128.231.112.212	cabib.niddk.nih.gov	0
128.231.112.213	dkb8nutesx3.niddk.nih.gov	0
128.231.112.214	ashwell.niddk.nih.gov	0
128.231.112.215	robbins.niddk.nih.gov	0
128.231.112.216	—	0
128.231.112.217	—	0
128.231.112.218	—	0
128.231.112.219	—	0
128.231.112.220	—	0
128.231.112.221	—	0
128.231.112.222	—	0
128.231.112.223	—	0
128.231.112.224	—	0
128.231.112.225	—	0
128.231.112.226	—	0
128.231.112.227	—	0
128.231.112.228	—	0
128.231.112.229	—	0
128.231.112.230	—	0
128.231.112.231	—	0
128.231.112.232	—	0
128.231.112.233	—	0
128.231.112.234	—	0
128.231.112.235	—	0
128.231.112.236	—	0
128.231.112.237	—	0
128.231.112.238	—	0
128.231.112.239	ns-dkisilon.niddk.nih.gov	0
128.231.112.240	web.niddk.nih.gov	0
128.231.112.241	—	0
128.231.112.242	—	0
128.231.112.243	—	0
128.231.112.244	—	0
128.231.112.245	—	0
128.231.112.246	—	0
128.231.112.247	—	0
128.231.112.248	—	0
128.231.112.249	—	0
128.231.112.250	—	0
128.231.112.251	—	0
128.231.112.252	—	0
128.231.112.253	niddkd.niddk.nih.gov	0
128.231.112.254	—	0
128.231.112.255	—	0

Traceroute

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

traceroute -a -n -q1 -f2 -m6 128.231.112.30

traceroute to 128.231.112.30 (128.231.112.30): 6 hops max, 52 byte packets

2 [AS10886] 206.196.177.108 212.985 ms

3 [AS10886] 206.196.177.185 212.603 ms

4 *

5 *

6 *

Measurement taken from

IPinfo ProbeNet in Melbourne, AU

On December 14th 2025