38.155.4.0/24 IP Range

Summary

ASN	AS174 Cogent Communications, LLC
BGP	38.0.0.0/8
IPs with RDNS	77
Hosted Domains	0
Pingable IPs	0
Router IPs	0


38.155.4.0	—	0
38.155.4.1	te0-0-2-2.359.nr11.b001318-0.phl01.atlas.cogentco.com	0
38.155.4.2	prometrics_consulting.demarc.psi.net	0
38.155.4.3	—	0
38.155.4.4	—	0
38.155.4.5	—	0
38.155.4.6	upper_morland_school_district.demarc.psi.net	0
38.155.4.7	—	0
38.155.4.8	—	0
38.155.4.9	—	0
38.155.4.10	sitac_tasc_northrop_grumman.demarc.psi.net	0
38.155.4.11	—	0
38.155.4.12	—	0
38.155.4.13	—	0
38.155.4.14	—	0
38.155.4.15	—	0
38.155.4.16	—	0
38.155.4.17	se6-1-5-0.ca01.jfk04.atlas.cogentco.com	0
38.155.4.18	american_council_of_learned_societies.demarc.psi.net	0
38.155.4.19	—	0
38.155.4.20	—	0
38.155.4.21	—	0
38.155.4.22	atlantic_physician_association.demarc.psi.net	0
38.155.4.23	—	0
38.155.4.24	—	0
38.155.4.25	—	0
38.155.4.26	md_national_parks.demarc.psi.net	0
38.155.4.27	—	0
38.155.4.28	—	0
38.155.4.29	se3-0-17-0.ca01.lax04.atlas.cogentco.com	0
38.155.4.30	huntington_park_pd.demarc.psi.net	0
38.155.4.31	—	0
38.155.4.32	—	0
38.155.4.33	gi0-0-0-16.209.agr11.iad03.atlas.cogentco.com	0
38.155.4.34	foliofn.demarc.cogentco.com	0
38.155.4.35	—	0
38.155.4.36	—	0
38.155.4.37	s5-0-7.ca01.dca01.cogentco.com	0
38.155.4.38	mgmttech.demarc.cogentco.com	0
38.155.4.39	—	0
38.155.4.40	—	0
38.155.4.41	se3-1-28-0.ca02.jfk04.atlas.cogentco.com	0
38.155.4.42	cooperunion.demarc.psi.net	0
38.155.4.43	—	0
38.155.4.44	—	0
38.155.4.45	s5_0_15.ca01.ord01.demarc.cogentco.com	0
38.155.4.46	aida.demarc.psi.net	0
38.155.4.47	—	0
38.155.4.48	—	0
38.155.4.49	—	0
38.155.4.50	—	0
38.155.4.51	—	0
38.155.4.52	—	0
38.155.4.53	—	0
38.155.4.54	jobperformancesystems.demarc.psi.net	0
38.155.4.55	—	0
38.155.4.56	—	0
38.155.4.57	—	0
38.155.4.58	lanlinecommunications1.demarc.psi.net	0
38.155.4.59	—	0
38.155.4.60	—	0
38.155.4.61	—	0
38.155.4.62	lanlinecommunications2.demarc.psi.net	0
38.155.4.63	—	0
38.155.4.64	—	0
38.155.4.65	—	0
38.155.4.66	lanlinecommunications3.demarc.psi.net	0
38.155.4.67	—	0
38.155.4.68	—	0
38.155.4.69	se4-0-0.ca01.tpa01.atlas.cogentco.com	0
38.155.4.70	museumscienceindustry.demarc.psi.net	0
38.155.4.71	—	0
38.155.4.72	—	0
38.155.4.73	—	0
38.155.4.74	architecturalwindow.demarc.psi.net	0
38.155.4.75	—	0
38.155.4.76	—	0
38.155.4.77	—	0
38.155.4.78	—	0
38.155.4.79	—	0
38.155.4.80	—	0
38.155.4.81	s1_1_1.ca01_bed02.demarc.cogentco.com	0
38.155.4.82	advanced_microsensors.demarc.psi.net	0
38.155.4.83	—	0
38.155.4.84	—	0
38.155.4.85	—	0
38.155.4.86	sansimtechnologies.demarc.psi.net	0
38.155.4.87	—	0
38.155.4.88	—	0
38.155.4.89	se4-0-9-0.ca01.cle02.atlas.cogentco.com	0
38.155.4.90	kraftfluidsystems.demarc.psi.net	0
38.155.4.91	—	0
38.155.4.92	—	0
38.155.4.93	se4-1-9-0.ca01.dtw03.atlas.cogentco.com	0
38.155.4.94	spxvalleyforge.demarc.psi.net	0
38.155.4.95	—	0
38.155.4.96	—	0
38.155.4.97	se3-1-28-0.ca01.dca01.atlas.cogentco.com	0
38.155.4.98	mgmtsystemsinternatl.demarc.psi.net	0
38.155.4.99	—	0
38.155.4.100	—	0
38.155.4.101	—	0
38.155.4.102	—	0
38.155.4.103	—	0
38.155.4.104	—	0
38.155.4.105	—	0
38.155.4.106	bettertechnologysystems.demarc.psi.net	0
38.155.4.107	—	0
38.155.4.108	—	0
38.155.4.109	se3-1-18-0.ca01.iad01.atlas.cogentco.com	0
38.155.4.110	nahbresearchctr.demarc.psi.net	0
38.155.4.111	—	0
38.155.4.112	—	0
38.155.4.113	se4-0-4-0.ca01.ewr01.atlas.cogentco.com	0
38.155.4.114	rahway_valley_sewerage_auth.demarc.psi.net	0
38.155.4.115	—	0
38.155.4.116	—	0
38.155.4.117	—	0
38.155.4.118	—	0
38.155.4.119	—	0
38.155.4.120	—	0
38.155.4.121	s12-0.core01.dca01.atlas.cogentco.com	0
38.155.4.122	au.demarc.psi.net	0
38.155.4.123	—	0
38.155.4.124	—	0
38.155.4.125	—	0
38.155.4.126	—	0
38.155.4.127	—	0
38.155.4.128	—	0
38.155.4.129	—	0
38.155.4.130	wesleypeachtreegroup.demarc.psi.net	0
38.155.4.131	—	0
38.155.4.132	—	0
38.155.4.133	—	0
38.155.4.134	—	0
38.155.4.135	—	0
38.155.4.136	—	0
38.155.4.137	—	0
38.155.4.138	rivanet.demarc.psi.net	0
38.155.4.139	—	0
38.155.4.140	—	0
38.155.4.141	s6-1-13.ca01.iah01.atlas.cogentco.com	0
38.155.4.142	intechtual.demarc.psi.net	0
38.155.4.143	—	0
38.155.4.144	—	0
38.155.4.145	se4-1-10-0.ca01.jfk04.atlas.cogentco.com	0
38.155.4.146	khronos.demarc.psi.net	0
38.155.4.147	—	0
38.155.4.148	—	0
38.155.4.149	se5-1.ca01.iah04.atlas.cogentco.com	0
38.155.4.150	—	0
38.155.4.151	—	0
38.155.4.152	—	0
38.155.4.153	—	0
38.155.4.154	—	0
38.155.4.155	—	0
38.155.4.156	—	0
38.155.4.157	se3-0-24-0.ca02.dca01.atlas.cogentco.com	0
38.155.4.158	sunsailworldwidesailing.demarc.psi.net	0
38.155.4.159	—	0
38.155.4.160	—	0
38.155.4.161	se1-1-9-0.ca01.bos01.atlas.cogentco.com	0
38.155.4.162	acumentrics.demarc.psi.net	0
38.155.4.163	—	0
38.155.4.164	—	0
38.155.4.165	—	0
38.155.4.166	benjaminconsulting.demarc.psi.net	0
38.155.4.167	—	0
38.155.4.168	—	0
38.155.4.169	se3-0-19-0.ca04.jfk01.atlas.cogentco.com	0
38.155.4.170	jdt-technologies.demarc.psi.net	0
38.155.4.171	—	0
38.155.4.172	—	0
38.155.4.173	se3-1-16-0.ca02.jfk04.atlas.cogentco.com	0
38.155.4.174	castlehillapparel.demarc.psi.net	0
38.155.4.175	—	0
38.155.4.176	—	0
38.155.4.177	se3-0-27-0.ca01.jfk04.atlas.cogentco.com	0
38.155.4.178	houseofadjustments.demarc.psi.net	0
38.155.4.179	—	0
38.155.4.180	—	0
38.155.4.181	—	0
38.155.4.182	—	0
38.155.4.183	—	0
38.155.4.184	—	0
38.155.4.185	se1-0-6-0.ca03.dca01.atlas.cogentco.com	0
38.155.4.186	hoppmanncommunications.demarc.psi.net	0
38.155.4.187	—	0
38.155.4.188	—	0
38.155.4.189	—	0
38.155.4.190	—	0
38.155.4.191	—	0
38.155.4.192	—	0
38.155.4.193	—	0
38.155.4.194	—	0
38.155.4.195	—	0
38.155.4.196	—	0
38.155.4.197	—	0
38.155.4.198	—	0
38.155.4.199	—	0
38.155.4.200	—	0
38.155.4.201	—	0
38.155.4.202	—	0
38.155.4.203	—	0
38.155.4.204	—	0
38.155.4.205	—	0
38.155.4.206	seneca-communications.demarc.psi.net	0
38.155.4.207	—	0
38.155.4.208	—	0
38.155.4.209	se3-1-7-0.ca02.dca01.atlas.cogentco.com	0
38.155.4.210	dullesmicro.demarc.psi.net	0
38.155.4.211	—	0
38.155.4.212	—	0
38.155.4.213	—	0
38.155.4.214	ocdnetworksystems.demarc.psi.net	0
38.155.4.215	—	0
38.155.4.216	—	0
38.155.4.217	se3-1-15-0.ca02.jfk04.atlas.cogentco.com	0
38.155.4.218	bernardchaus.demarc.psi.net	0
38.155.4.219	—	0
38.155.4.220	—	0
38.155.4.221	—	0
38.155.4.222	—	0
38.155.4.223	—	0
38.155.4.224	—	0
38.155.4.225	se3-1-12-0.ca02.dca01.atlas.cogentco.com	0
38.155.4.226	northropgrummanmissionsystems.demarc.psi.net	0
38.155.4.227	—	0
38.155.4.228	—	0
38.155.4.229	se3-0-13-0.ca01.dtw03.atlas.cogentco.com	0
38.155.4.230	axsys.demarc.psi.net	0
38.155.4.231	—	0
38.155.4.232	—	0
38.155.4.233	—	0
38.155.4.234	—	0
38.155.4.235	—	0
38.155.4.236	—	0
38.155.4.237	s1-0.ca02.mke01.atlas.cogentco.com	0
38.155.4.238	directinternetaccess.demarc.psi.net	0
38.155.4.239	—	0
38.155.4.240	—	0
38.155.4.241	se6-0-25-0.ca01.dtw03.atlas.cogentco.com	0
38.155.4.242	businesssystemsgroup.demarc.psi.net	0
38.155.4.243	—	0
38.155.4.244	—	0
38.155.4.245	—	0
38.155.4.246	—	0
38.155.4.247	—	0
38.155.4.248	—	0
38.155.4.249	—	0
38.155.4.250	—	0
38.155.4.251	—	0
38.155.4.252	—	0
38.155.4.253	se5-0-1-0.ca01.dca01.atlas.cogentco.com	0
38.155.4.254	resourcesforthefuture.demarc.cogentco.com	0
38.155.4.255	—	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 38.155.4.163

traceroute to 38.155.4.163 (38.155.4.163): 7 hops max, 52 byte packets

3 [AS174] 154.24.5.165 0.989 ms

4 [AS174] 154.54.92.106 1.093 ms

5 *

6 *

7 *

Measurement taken from

IPinfo ProbeNet in Dallas, US

On November 14th 2025