Summary

ASN	AS16 Lawrence Berkeley National Laboratory
BGP	128.3.0.0/16
IPs with RDNS	134
Hosted Domains	0
Pingable IPs	0
Router IPs	0


128.3.47.0	—	0
128.3.47.1	irz1-n1--irz1-91--vlan698.hsrp.lbl.gov	0
128.3.47.2	vlan698.irz1-n1.lbl.gov	0
128.3.47.3	vlan698.irz1-91.lbl.gov	0
128.3.47.4	—	0
128.3.47.5	—	0
128.3.47.6	cdu-50b-1275-e9-1.lbl.gov	0
128.3.47.7	—	0
128.3.47.8	—	0
128.3.47.9	—	0
128.3.47.10	—	0
128.3.47.11	rdhx-50b-1275-r17.lbl.gov	0
128.3.47.12	rdhx-50b-1275-s17.lbl.gov	0
128.3.47.13	rdhx-50b-1275-u17.lbl.gov	0
128.3.47.14	rdhx-50b-1275-v17.lbl.gov	0
128.3.47.15	rdhx-50b-1275-w17.lbl.gov	0
128.3.47.16	rdhx-50b-1275-r11.lbl.gov	0
128.3.47.17	rdhx-50b-1275-s11.lbl.gov	0
128.3.47.18	rdhx-50b-1275-u11.lbl.gov	0
128.3.47.19	rdhx-50b-1275-v11.lbl.gov	0
128.3.47.20	rdhx-50b-1275-w11.lbl.gov	0
128.3.47.21	rdhx-50b-1275-t42.lbl.gov	0
128.3.47.22	rdhx-50b-1275-k21.lbl.gov	0
128.3.47.23	rdhx-50b-1275-j21.lbl.gov	0
128.3.47.24	rdhx-50b-1275-h21.lbl.gov	0
128.3.47.25	rdhx-50b-1275-g21.lbl.gov	0
128.3.47.26	rdhx-50b-1275-f21.lbl.gov	0
128.3.47.27	rdhx-50b-1275-e21.lbl.gov	0
128.3.47.28	rdhx-50b-1275-k9.lbl.gov	0
128.3.47.29	rdhx-50b-1275-j9.lbl.gov	0
128.3.47.30	rdhx-50b-1275-r53.lbl.gov	0
128.3.47.31	rdhx-50b-1275-s53.lbl.gov	0
128.3.47.32	rdhx-50b-1275-u53.lbl.gov	0
128.3.47.33	rdhx-50b-1275-v53.lbl.gov	0
128.3.47.34	rdhx-50b-1275-w53.lbl.gov	0
128.3.47.35	rdhx-50b-1275-e48.lbl.gov	0
128.3.47.36	rdhx-50b-1275-f48.lbl.gov	0
128.3.47.37	rdhx-50b-1275-g48.lbl.gov	0
128.3.47.38	rdhx-50b-1275-h48.lbl.gov	0
128.3.47.39	rdhx-50b-1275-j48.lbl.gov	0
128.3.47.40	rdhx-50b-1275-k48.lbl.gov	0
128.3.47.41	rdhx-50b-1275-h9.lbl.gov	0
128.3.47.42	rdhx-50b-1275-u42.lbl.gov	0
128.3.47.43	rdhx-50b-1275-g9.lbl.gov	0
128.3.47.44	rdhx-50b-1275-f9.lbl.gov	0
128.3.47.45	rdhx-50b-1275-e9.lbl.gov	0
128.3.47.46	rdhx-50b-1275-r26.lbl.gov	0
128.3.47.47	rdhx-50b-1275-s26.lbl.gov	0
128.3.47.48	cdu-50b-1275-r26-1.lbl.gov	0
128.3.47.49	rdhx-50b-1275-e41.lbl.gov	0
128.3.47.50	rdhx-50b-1275-f41.lbl.gov	0
128.3.47.51	rdhx-50b-1275-g41.lbl.gov	0
128.3.47.52	rdhx-50b-1275-h41.lbl.gov	0
128.3.47.53	rdhx-50b-1275-j41.lbl.gov	0
128.3.47.54	rdhx-50b-1275-k41.lbl.gov	0
128.3.47.55	rdhx-50b-1275-e38.lbl.gov	0
128.3.47.56	rdhx-50b-1275-f38.lbl.gov	0
128.3.47.57	rdhx-50b-1275-g38.lbl.gov	0
128.3.47.58	rdhx-50b-1275-h38.lbl.gov	0
128.3.47.59	rdhx-50b-1275-j38.lbl.gov	0
128.3.47.60	rdhx-50b-1275-k38.lbl.gov	0
128.3.47.61	cdu-50b-1275-k41-1.lbl.gov	0
128.3.47.62	—	0
128.3.47.63	—	0
128.3.47.64	rdhx-50b-1275-e28.lbl.gov	0
128.3.47.65	rdhx-50b-1275-f28.lbl.gov	0
128.3.47.66	rdhx-50b-1275-g28.lbl.gov	0
128.3.47.67	rdhx-50b-1275-h28.lbl.gov	0
128.3.47.68	rdhx-50b-1275-j28.lbl.gov	0
128.3.47.69	rdhx-50b-1275-k28.lbl.gov	0
128.3.47.70	rdhx-50b-1275-u26.lbl.gov	0
128.3.47.71	rdhx-50b-1275-v26.lbl.gov	0
128.3.47.72	rdhx-50b-1275-w26.lbl.gov	0
128.3.47.73	cdu-50b-1275-f28-1.lbl.gov	0
128.3.47.74	cdu-50b-1275-g28-1.lbl.gov	0
128.3.47.75	cdu-50b-1275-h28-1.lbl.gov	0
128.3.47.76	cdu-50b-1275-j28-1.lbl.gov	0
128.3.47.77	cdu-50b-1275-k28-1.lbl.gov	0
128.3.47.78	cdu-50b-1275-e28-1.lbl.gov	0
128.3.47.79	rdhx-50b-1275-r46.lbl.gov	0
128.3.47.80	rdhx-50b-1275-s46.lbl.gov	0
128.3.47.81	rdhx-50b-1275-u46.lbl.gov	0
128.3.47.82	rdhx-50b-1275-v46.lbl.gov	0
128.3.47.83	rdhx-50b-1275-w46.lbl.gov	0
128.3.47.84	—	0
128.3.47.85	—	0
128.3.47.86	—	0
128.3.47.87	—	0
128.3.47.88	—	0
128.3.47.89	—	0
128.3.47.90	—	0
128.3.47.91	—	0
128.3.47.92	—	0
128.3.47.93	—	0
128.3.47.94	—	0
128.3.47.95	—	0
128.3.47.96	—	0
128.3.47.97	—	0
128.3.47.98	—	0
128.3.47.99	—	0
128.3.47.100	—	0
128.3.47.101	—	0
128.3.47.102	—	0
128.3.47.103	—	0
128.3.47.104	—	0
128.3.47.105	—	0
128.3.47.106	—	0
128.3.47.107	—	0
128.3.47.108	—	0
128.3.47.109	—	0
128.3.47.110	—	0
128.3.47.111	—	0
128.3.47.112	—	0
128.3.47.113	—	0
128.3.47.114	—	0
128.3.47.115	—	0
128.3.47.116	—	0
128.3.47.117	—	0
128.3.47.118	—	0
128.3.47.119	—	0
128.3.47.120	—	0
128.3.47.121	—	0
128.3.47.122	—	0
128.3.47.123	—	0
128.3.47.124	—	0
128.3.47.125	—	0
128.3.47.126	—	0
128.3.47.127	—	0
128.3.47.128	—	0
128.3.47.129	irz1-n1--irz1-91--vlan699.hsrp.lbl.gov	0
128.3.47.130	vlan699.irz1-n1.lbl.gov	0
128.3.47.131	oniconsys10-50b-1275-z21-1.lbl.gov	0
128.3.47.132	oniconsys40-50b-1275-r12-1-net485.lbl.gov	0
128.3.47.133	oniconsys40-50b-1275-r12-2-net485.lbl.gov	0
128.3.47.134	oniconsys40-50b-1275-t12-1-net485.lbl.gov	0
128.3.47.135	oniconsys10-50b-0244-1.lbl.gov	0
128.3.47.136	oniconsys10-50b-1275-o13-1.lbl.gov	0
128.3.47.137	oniconsys40-50b-1275-r12-net485.lbl.gov	0
128.3.47.138	oniconsys10-50b-1275-o13-2.lbl.gov	0
128.3.47.139	oniconsys10-50b-1275-t43.lbl.gov	0
128.3.47.140	oniconsys10-50b-1275-y47.lbl.gov	0
128.3.47.141	oniconsys40-50b-1275-u41-net485.lbl.gov	0
128.3.47.142	oniconsys10-50b-1275-k19-1.lbl.gov	0
128.3.47.143	oniconsys10-50b-1275-k19-2.lbl.gov	0
128.3.47.144	oniconsys10-50b-1275-k19-3.lbl.gov	0
128.3.47.145	oniconsys10-50b-1275-p50-1.lbl.gov	0
128.3.47.146	oniconsys10-91-169.lbl.gov	0
128.3.47.147	vlan699.irz1-91.lbl.gov	0
128.3.47.148	oniconsys10-50b-0244-2-tws.lbl.gov	0
128.3.47.149	oniconsys10-50b-0244-3-hxtws.lbl.gov	0
128.3.47.150	oniconsys10-50b-0244-4-trws.lbl.gov	0
128.3.47.151	oniconsys10-50b-0242-1.lbl.gov	0
128.3.47.152	oniconsys10-50b-0244-2.lbl.gov	0
128.3.47.153	oniconsys10-50b-1275-o39.lbl.gov	0
128.3.47.154	testsled1-50b-1275-p20-1.lbl.gov	0
128.3.47.155	oniconsys10-50b-1275-o39-1.lbl.gov	0
128.3.47.156	oniconsys10-50b-1275-y32-1.lbl.gov	0
128.3.47.157	oniconsys10-50b-0243-1.lbl.gov	0
128.3.47.158	oniconsys10-50b-2265-1.lbl.gov	0
128.3.47.159	oniconsys10-50b-0243-2.lbl.gov	0
128.3.47.160	testsled2-50b-1275-d14-1.lbl.gov	0
128.3.47.161	—	0
128.3.47.162	—	0
128.3.47.163	—	0
128.3.47.164	—	0
128.3.47.165	—	0
128.3.47.166	—	0
128.3.47.167	—	0
128.3.47.168	—	0
128.3.47.169	—	0
128.3.47.170	—	0
128.3.47.171	—	0
128.3.47.172	—	0
128.3.47.173	—	0
128.3.47.174	—	0
128.3.47.175	—	0
128.3.47.176	—	0
128.3.47.177	—	0
128.3.47.178	—	0
128.3.47.179	—	0
128.3.47.180	—	0
128.3.47.181	—	0
128.3.47.182	—	0
128.3.47.183	—	0
128.3.47.184	—	0
128.3.47.185	—	0
128.3.47.186	—	0
128.3.47.187	—	0
128.3.47.188	—	0
128.3.47.189	—	0
128.3.47.190	—	0
128.3.47.191	—	0
128.3.47.192	—	0
128.3.47.193	irz1-n1--irz1-91--vlan700.hsrp.lbl.gov	0
128.3.47.194	vlan700.irz1-n1.lbl.gov	0
128.3.47.195	dentmeter-50b-1275-481a.lbl.gov	0
128.3.47.196	dentmeter-50b-1275-624a1a1a.lbl.gov	0
128.3.47.197	dentmeter-50b-0248-503a.lbl.gov	0
128.3.47.198	dentmeter-50b-0248-480a7a.lbl.gov	0
128.3.47.199	dentmeter-50b-2275-38a2a4a.lbl.gov	0
128.3.47.200	dentmeter-50b-7205-ct005.lbl.gov	0
128.3.47.201	dentmeter-50a-1156-e35b15a1a22a.lbl.gov	0
128.3.47.202	dentmeter-50b-1275-480a5a.lbl.gov	0
128.3.47.203	dentmeter-50b-1275-38a10a.lbl.gov	0
128.3.47.204	vlan700.irz1-91.lbl.gov	0
128.3.47.205	dentmeter-50b-0244-480a7a22a.lbl.gov	0
128.3.47.206	dentmeter-50b-0244-480a5a21a.lbl.gov	0
128.3.47.207	dentmeter-50b-1245-38a15a.lbl.gov	0
128.3.47.208	dentmeter-50b-1275-698a1a.lbl.gov	0
128.3.47.209	dentmeter-50b-1275-725a1a.lbl.gov	0
128.3.47.210	dentmeter-50a-1156-35a13a.lbl.gov	0
128.3.47.211	dentmeter-50b-1275-747a.lbl.gov	0
128.3.47.212	dentmeter-50a-1156-35a14a.lbl.gov	0
128.3.47.213	dentmeter-50b-1275-38a1a4a.lbl.gov	0
128.3.47.214	dentmeter-50b-1275-748a.lbl.gov	0
128.3.47.215	dentmeter-50b-0243-mcc38a6a-1.lbl.gov	0
128.3.47.216	dentmeter-50b-2275-38a2a5a3.lbl.gov	0
128.3.47.217	dentmeter-50a-1156-e208.lbl.gov	0
128.3.47.218	dentmeter-50a-1156-e208a1a45a.lbl.gov	0
128.3.47.219	dentmeter-50b-2265-38a2a3a.lbl.gov	0
128.3.47.220	—	0
128.3.47.221	—	0
128.3.47.222	—	0
128.3.47.223	—	0
128.3.47.224	—	0
128.3.47.225	—	0
128.3.47.226	—	0
128.3.47.227	—	0
128.3.47.228	—	0
128.3.47.229	—	0
128.3.47.230	—	0
128.3.47.231	—	0
128.3.47.232	—	0
128.3.47.233	—	0
128.3.47.234	—	0
128.3.47.235	—	0
128.3.47.236	—	0
128.3.47.237	—	0
128.3.47.238	—	0
128.3.47.239	—	0
128.3.47.240	—	0
128.3.47.241	—	0
128.3.47.242	—	0
128.3.47.243	—	0
128.3.47.244	—	0
128.3.47.245	—	0
128.3.47.246	—	0
128.3.47.247	—	0
128.3.47.248	—	0
128.3.47.249	—	0
128.3.47.250	—	0
128.3.47.251	—	0
128.3.47.252	—	0
128.3.47.253	—	0
128.3.47.254	—	0
128.3.47.255	—	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 128.3.47.128

traceroute to 128.3.47.128 (128.3.47.128): 5 hops max, 52 byte packets

1 [AS15169] 108.170.238.83 20.34 ms

2 [AS291] 198.124.218.60 20.943 ms

3 *

4 *

5 *

Measurement taken from

IPinfo ProbeNet in Montreal, CA

On February 16th 2026