Summary

ASN	AS174 Cogent Communications, LLC
BGP	38.0.0.0/8
IPs with RDNS	46
Hosted Domains	0
Pingable IPs	61
Router IPs	17


38.142.4.0	—	0
38.142.4.1	be4155.ccr42.iad02.atlas.cogentco.com	0
38.142.4.2	—	0
38.142.4.3	—	0
38.142.4.4	—	0
38.142.4.5	—	0
38.142.4.6	—	0
38.142.4.7	—	0
38.142.4.8	—	0
38.142.4.9	gi100-0-0-6.rcr51.b037327-0.iad02.atlas.cogentco.com	0
38.142.4.10	—	0
38.142.4.11	—	0
38.142.4.12	—	0
38.142.4.13	—	0
38.142.4.14	—	0
38.142.4.15	—	0
38.142.4.16	—	0
38.142.4.17	te0-0-0-26.2514.agr62.iad02.atlas.cogentco.com	0
38.142.4.18	—	0
38.142.4.19	—	0
38.142.4.20	—	0
38.142.4.21	—	0
38.142.4.22	—	0
38.142.4.23	—	0
38.142.4.24	gi0-0-0-4.agr01.iad02.atlas.cogentco.com	0
38.142.4.25	gi0-3-0-5.rcr21.iad03.atlas.cogentco.com	0
38.142.4.26	be7686.ccr42.iad02.atlas.cogentco.com	0
38.142.4.27	—	0
38.142.4.28	te0-0-0-19.agr01.iad02.atlas.cogentco.com	0
38.142.4.29	—	0
38.142.4.30	te0-0-0-6.agr61.iad02.atlas.cogentco.com	0
38.142.4.31	—	0
38.142.4.32	—	0
38.142.4.33	te0-2-1-3.rcr51.b037327-0.iad02.atlas.cogentco.com	0
38.142.4.34	—	0
38.142.4.35	—	0
38.142.4.36	—	0
38.142.4.37	—	0
38.142.4.38	—	0
38.142.4.39	—	0
38.142.4.40	—	0
38.142.4.41	te0-0-0-0.nr61.b071523-0.iad02.atlas.cogentco.com	0
38.142.4.42	—	0
38.142.4.43	—	0
38.142.4.44	—	0
38.142.4.45	—	0
38.142.4.46	—	0
38.142.4.47	—	0
38.142.4.48	—	0
38.142.4.49	te0-3-0-0.rcr21.b023801-0.iad02.atlas.cogentco.com	0
38.142.4.50	—	0
38.142.4.51	—	0
38.142.4.52	—	0
38.142.4.53	—	0
38.142.4.54	—	0
38.142.4.55	—	0
38.142.4.56	—	0
38.142.4.57	te0-3-1-19.rcr51.b039343-0.iad02.atlas.cogentco.com	0
38.142.4.58	—	0
38.142.4.59	—	0
38.142.4.60	—	0
38.142.4.61	—	0
38.142.4.62	—	0
38.142.4.63	—	0
38.142.4.64	—	0
38.142.4.65	te0-2-1-19.rcr51.b039343-0.iad02.atlas.cogentco.com	0
38.142.4.66	—	0
38.142.4.67	—	0
38.142.4.68	—	0
38.142.4.69	—	0
38.142.4.70	—	0
38.142.4.71	—	0
38.142.4.72	—	0
38.142.4.73	gi100-0-0-32.rcr51.b039343-0.iad02.atlas.cogentco.com	0
38.142.4.74	—	0
38.142.4.75	—	0
38.142.4.76	te0-0-0-0.nr61.b066594-0.mnz01.atlas.cogentco.com	0
38.142.4.77	—	0
38.142.4.78	be7749.ccr42.iad02.atlas.cogentco.com	0
38.142.4.79	—	0
38.142.4.80	—	0
38.142.4.81	—	0
38.142.4.82	—	0
38.142.4.83	—	0
38.142.4.84	—	0
38.142.4.85	—	0
38.142.4.86	—	0
38.142.4.87	—	0
38.142.4.88	—	0
38.142.4.89	te0-3-0-6-2.ccr42.iad02.atlas.cogentco.com	0
38.142.4.90	—	0
38.142.4.91	—	0
38.142.4.92	—	0
38.142.4.93	—	0
38.142.4.94	—	0
38.142.4.95	—	0
38.142.4.96	—	0
38.142.4.97	te0-1-0-1-2.ccr41.iad02.atlas.cogentco.com	0
38.142.4.98	—	0
38.142.4.99	—	0
38.142.4.100	—	0
38.142.4.101	—	0
38.142.4.102	—	0
38.142.4.103	—	0
38.142.4.104	—	0
38.142.4.105	te0-3-0-5-3.ccr42.iad02.atlas.cogentco.com	0
38.142.4.106	—	0
38.142.4.107	—	0
38.142.4.108	—	0
38.142.4.109	—	0
38.142.4.110	—	0
38.142.4.111	—	0
38.142.4.112	—	0
38.142.4.113	te0-9-0-1-5.ccr41.iad02.atlas.cogentco.com	0
38.142.4.114	—	0
38.142.4.115	—	0
38.142.4.116	—	0
38.142.4.117	—	0
38.142.4.118	—	0
38.142.4.119	—	0
38.142.4.120	—	0
38.142.4.121	gi0-0-0-4.nr11.b003387-0.iad02.atlas.cogentco.com	0
38.142.4.122	—	0
38.142.4.123	—	0
38.142.4.124	—	0
38.142.4.125	—	0
38.142.4.126	—	0
38.142.4.127	—	0
38.142.4.128	—	0
38.142.4.129	gi0-0-0-7.nr11.b038803-0.iad02.atlas.cogentco.com	0
38.142.4.130	—	0
38.142.4.131	—	0
38.142.4.132	—	0
38.142.4.133	—	0
38.142.4.134	—	0
38.142.4.135	—	0
38.142.4.136	—	0
38.142.4.137	te0-0-0-2.612.agr11.iad02.atlas.cogentco.com	0
38.142.4.138	—	0
38.142.4.139	—	0
38.142.4.140	—	0
38.142.4.141	—	0
38.142.4.142	—	0
38.142.4.143	—	0
38.142.4.144	—	0
38.142.4.145	te0-3-0-0-1.rcr51.b037327-0.iad02.atlas.cogentco.com	0
38.142.4.146	—	0
38.142.4.147	—	0
38.142.4.148	—	0
38.142.4.149	—	0
38.142.4.150	—	0
38.142.4.151	—	0
38.142.4.152	—	0
38.142.4.153	gi100-0-0-25.rcr51.b037327-0.iad02.atlas.cogentco.com	0
38.142.4.154	—	0
38.142.4.155	—	0
38.142.4.156	—	0
38.142.4.157	—	0
38.142.4.158	—	0
38.142.4.159	—	0
38.142.4.160	—	0
38.142.4.161	hu0-11-0-24.ccr41.iad02.atlas.cogentco.com	0
38.142.4.162	—	0
38.142.4.163	—	0
38.142.4.164	—	0
38.142.4.165	—	0
38.142.4.166	—	0
38.142.4.167	—	0
38.142.4.168	—	0
38.142.4.169	gi0-0-0-19.202.nr11.b025737-0.iad02.atlas.cogentco.com	0
38.142.4.170	—	0
38.142.4.171	—	0
38.142.4.172	—	0
38.142.4.173	—	0
38.142.4.174	—	0
38.142.4.175	—	0
38.142.4.176	—	0
38.142.4.177	gi100-0-0-1.rcr51.b037327-0.iad02.atlas.cogentco.com	0
38.142.4.178	—	0
38.142.4.179	—	0
38.142.4.180	—	0
38.142.4.181	—	0
38.142.4.182	—	0
38.142.4.183	—	0
38.142.4.184	gi100-0-0-4.nr61.b066594-0.mnz01.atlas.cogentco.com	0
38.142.4.185	gi0-5-1-9.rcr21.iad01.atlas.cogentco.com	0
38.142.4.186	gi0-0-0-15.nr11.b005871-0.iad02.atlas.cogentco.com	0
38.142.4.187	—	0
38.142.4.188	te0-0-0-19.ccr42.iad02.atlas.cogentco.com	0
38.142.4.189	—	0
38.142.4.190	be7893.nr61.b067821-0.iad02.atlas.cogentco.com	0
38.142.4.191	—	0
38.142.4.192	—	0
38.142.4.193	be5707.ccr41.iad02.atlas.cogentco.com	0
38.142.4.194	—	0
38.142.4.195	—	0
38.142.4.196	—	0
38.142.4.197	—	0
38.142.4.198	—	0
38.142.4.199	—	0
38.142.4.200	—	0
38.142.4.201	te0-4-0-7-1.ccr41.iad02.atlas.cogentco.com	0
38.142.4.202	—	0
38.142.4.203	—	0
38.142.4.204	—	0
38.142.4.205	—	0
38.142.4.206	—	0
38.142.4.207	—	0
38.142.4.208	—	0
38.142.4.209	gi100-0-0-3.nr61.b014476-2.iad02.atlas.cogentco.com	0
38.142.4.210	—	0
38.142.4.211	—	0
38.142.4.212	—	0
38.142.4.213	—	0
38.142.4.214	—	0
38.142.4.215	—	0
38.142.4.216	—	0
38.142.4.217	gi0-0-0-14.nr11.b025737-0.iad02.atlas.cogentco.com	0
38.142.4.218	—	0
38.142.4.219	—	0
38.142.4.220	—	0
38.142.4.221	—	0
38.142.4.222	—	0
38.142.4.223	—	0
38.142.4.224	—	0
38.142.4.225	te0-9-0-4-3.ccr41.iad02.atlas.cogentco.com	0
38.142.4.226	vpn1.datalogix.com	0
38.142.4.227	—	0
38.142.4.228	—	0
38.142.4.229	—	0
38.142.4.230	—	0
38.142.4.231	—	0
38.142.4.232	te0-0-0-21.agr61.iad02.atlas.cogentco.com	0
38.142.4.233	te0-0-0-2.614.agr11.iad02.atlas.cogentco.com	0
38.142.4.234	hu0-12-0-19.ccr42.iad02.atlas.cogentco.com	0
38.142.4.235	—	0
38.142.4.236	be4621.ccr42.iad02.atlas.cogentco.com	0
38.142.4.237	—	0
38.142.4.238	be7697.ccr42.iad02.atlas.cogentco.com	0
38.142.4.239	—	0
38.142.4.240	—	0
38.142.4.241	te0-4-0-1-9.ccr41.iad02.atlas.cogentco.com	0
38.142.4.242	—	0
38.142.4.243	—	0
38.142.4.244	—	0
38.142.4.245	—	0
38.142.4.246	—	0
38.142.4.247	—	0
38.142.4.248	—	0
38.142.4.249	gi0-0-0-0.nr01.b073348-0.iad02.atlas.cogentco.com	0
38.142.4.250	—	0
38.142.4.251	—	0
38.142.4.252	—	0
38.142.4.253	—	0
38.142.4.254	—	0
38.142.4.255	—	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 38.142.4.74

traceroute to 38.142.4.74 (38.142.4.74): 64 hops max, 52 byte packets

3 [AS174] 38.32.206.49 0.949 ms

4 [AS174] 38.142.4.74 0.301 ms

Measurement taken from

IPinfo ProbeNet in Ashburn, US

On December 28th 2025