38.104.42.0/24 IP Range

Summary

ASN	AS174 Cogent Communications, LLC
BGP	38.0.0.0/8
IPs with RDNS	85
Hosted Domains	0
Pingable IPs	85
Router IPs	24


38.104.42.0	hu0-0-0-5.nr71.b030115-0.ewr03.atlas.cogentco.com	0
38.104.42.1	te0-1-1-1.164.rcr52.ewr01.atlas.cogentco.com	0
38.104.42.2	te0-0-0-0.414.agr62.ewr01.atlas.cogentco.com	0
38.104.42.3	—	0
38.104.42.4	te0-0-0-40.110.agr61.ewr01.atlas.cogentco.com	0
38.104.42.5	gi200-0-0-11.rcr21.ewr03.atlas.cogentco.com	0
38.104.42.6	te0-0-0-2.279.agr61.ewr01.atlas.cogentco.com	0
38.104.42.7	—	0
38.104.42.8	—	0
38.104.42.9	gi0-0-1-4.3991.nr12.b002894-0.ewr01.atlas.cogentco.com	0
38.104.42.10	—	0
38.104.42.11	—	0
38.104.42.12	—	0
38.104.42.13	fa0-16.na01.b006640-1.ewr03.atlas.cogentco.com	0
38.104.42.14	—	0
38.104.42.15	—	0
38.104.42.16	—	0
38.104.42.17	gi0-0-0-3.nr01.b002863-0.ewr01.atlas.cogentco.com	0
38.104.42.18	—	0
38.104.42.19	—	0
38.104.42.20	—	0
38.104.42.21	fa0-22.na01.b006640-1.ewr03.atlas.cogentco.com	0
38.104.42.22	—	0
38.104.42.23	—	0
38.104.42.24	—	0
38.104.42.25	gi0-0-1-3.nr15.b020857-1.ewr03.atlas.cogentco.com	0
38.104.42.26	—	0
38.104.42.27	—	0
38.104.42.28	te0-0-0-3.nr61.b026010-0.ewr01.atlas.cogentco.com	0
38.104.42.29	gi0-0-1-1.nr13.b020857-1.ewr03.atlas.cogentco.com	0
38.104.42.30	gi0-0-0-14.nr01.b066352-0.ewr01.atlas.cogentco.com	0
38.104.42.31	—	0
38.104.42.32	be8606.rcr51.ewr01.atlas.cogentco.com	0
38.104.42.33	te0-0-1-11.rcr51.ewr01.atlas.cogentco.com	0
38.104.42.34	be6884.rcr52.ewr01.atlas.cogentco.com	0
38.104.42.35	—	0
38.104.42.36	—	0
38.104.42.37	te0-0-0-1.372.agr61.ewr01.atlas.cogentco.com	0
38.104.42.38	—	0
38.104.42.39	—	0
38.104.42.40	—	0
38.104.42.41	gi100-0-0-43.rcr21.ewr03.atlas.cogentco.com	0
38.104.42.42	—	0
38.104.42.43	—	0
38.104.42.44	—	0
38.104.42.45	gi0-0-0-7.nr01.b002863-0.ewr01.atlas.cogentco.com	0
38.104.42.46	—	0
38.104.42.47	—	0
38.104.42.48	—	0
38.104.42.49	te0-0-0-4.rcr21.ewr03.atlas.cogentco.com	0
38.104.42.50	—	0
38.104.42.51	—	0
38.104.42.52	gi100-0-0-0.nr51.b033057-0.ewr01.atlas.cogentco.com	0
38.104.42.53	—	0
38.104.42.54	gi100-0-0-7.rcr61.b062198-0.ewr01.atlas.cogentco.com	0
38.104.42.55	—	0
38.104.42.56	—	0
38.104.42.57	gi0-0-1-0.nr12.b002894-0.ewr01.atlas.cogentco.com	0
38.104.42.58	—	0
38.104.42.59	—	0
38.104.42.60	—	0
38.104.42.61	gi0-2-1-18.224.rcr21.ewr03.atlas.cogentco.com	0
38.104.42.62	—	0
38.104.42.63	—	0
38.104.42.64	—	0
38.104.42.65	gi0-0-0-13.nr12.b002894-0.ewr01.atlas.cogentco.com	0
38.104.42.66	—	0
38.104.42.67	—	0
38.104.42.68	—	0
38.104.42.69	gi3-2.mpd01.ewr03.atlas.cogentco.com	0
38.104.42.70	—	0
38.104.42.71	—	0
38.104.42.72	be9325.nr51.b033057-0.ewr01.atlas.cogentco.com	0
38.104.42.73	te0-0-2-2.nr14.b020857-1.ewr03.atlas.cogentco.com	0
38.104.42.74	te0-0-0-40.nr61.b024352-0.ewr01.atlas.cogentco.com	0
38.104.42.75	—	0
38.104.42.76	—	0
38.104.42.77	gi0-0-0-12.nr11.b026010-0.ewr01.atlas.cogentco.com	0
38.104.42.78	—	0
38.104.42.79	—	0
38.104.42.80	—	0
38.104.42.81	te0-0-0-40.nr61.b026010-0.ewr01.atlas.cogentco.com	0
38.104.42.82	—	0
38.104.42.83	—	0
38.104.42.84	—	0
38.104.42.85	gi100-0-0-23.rcr21.ewr03.atlas.cogentco.com	0
38.104.42.86	—	0
38.104.42.87	—	0
38.104.42.88	—	0
38.104.42.89	te0-1-0-1.372.rcr51.ewr01.atlas.cogentco.com	0
38.104.42.90	—	0
38.104.42.91	—	0
38.104.42.92	—	0
38.104.42.93	gi100-0-0-25.rcr21.ewr03.atlas.cogentco.com	0
38.104.42.94	—	0
38.104.42.95	—	0
38.104.42.96	—	0
38.104.42.97	gi100-0-0-26.nr13.b020857-1.ewr03.atlas.cogentco.com	0
38.104.42.98	—	0
38.104.42.99	—	0
38.104.42.100	te0-0-0-4.nr61.b026010-0.ewr01.atlas.cogentco.com	0
38.104.42.101	fa0-20.na11.b006640-1.ewr03.atlas.cogentco.com	0
38.104.42.102	hu0-1-0-0.nr51.b033057-0.ewr01.atlas.cogentco.com	0
38.104.42.103	—	0
38.104.42.104	—	0
38.104.42.105	gi500-0-0-40.219.rcr21.ewr03.atlas.cogentco.com	0
38.104.42.106	—	0
38.104.42.107	—	0
38.104.42.108	be7732.rcr51.ewr01.atlas.cogentco.com	0
38.104.42.109	—	0
38.104.42.110	hu0-3-0-10.rcr51.ewr01.atlas.cogentco.com	0
38.104.42.111	—	0
38.104.42.112	—	0
38.104.42.113	te0-0-0-1.149.agr61.ewr01.atlas.cogentco.com	0
38.104.42.114	—	0
38.104.42.115	aspfw1c.dti-hosting.com	0
38.104.42.116	—	0
38.104.42.117	—	0
38.104.42.118	—	0
38.104.42.119	—	0
38.104.42.120	—	0
38.104.42.121	gi0-0-0-2.nr01.b002863-0.ewr01.atlas.cogentco.com	0
38.104.42.122	—	0
38.104.42.123	tsimail.takesolutions.com	0
38.104.42.124	—	0
38.104.42.125	gi0-5.na31.b001443-0.jfk02.atlas.cogentco.com	0
38.104.42.126	—	0
38.104.42.127	—	0
38.104.42.128	—	0
38.104.42.129	te0-0-0-0.540.agr61.ewr01.atlas.cogentco.com	0
38.104.42.130	—	0
38.104.42.131	—	0
38.104.42.132	—	0
38.104.42.133	fa0-4.na12.b006640-1.ewr03.atlas.cogentco.com	0
38.104.42.134	—	0
38.104.42.135	—	0
38.104.42.136	—	0
38.104.42.137	be7642.rcr51.ewr01.atlas.cogentco.com	0
38.104.42.138	—	0
38.104.42.139	—	0
38.104.42.140	—	0
38.104.42.141	fa0-7.na12.b006640-1.ewr03.atlas.cogentco.com	0
38.104.42.142	—	0
38.104.42.143	—	0
38.104.42.144	gi0-0-0-6.nr01.b066352-0.ewr01.atlas.cogentco.com	0
38.104.42.145	—	0
38.104.42.146	te0-0-0-43.3681.agr61.ewr01.atlas.cogentco.com	0
38.104.42.147	—	0
38.104.42.148	—	0
38.104.42.149	gi500-0-0-40.211.rcr21.ewr03.atlas.cogentco.com	0
38.104.42.150	—	0
38.104.42.151	—	0
38.104.42.152	—	0
38.104.42.153	gi0-0-0-3.nr01.b002857-0.ewr01.atlas.cogentco.com	0
38.104.42.154	—	0
38.104.42.155	—	0
38.104.42.156	—	0
38.104.42.157	gi2-1.mag01.ewr04.atlas.cogentco.com	0
38.104.42.158	—	0
38.104.42.159	—	0
38.104.42.160	—	0
38.104.42.161	gi100-0-0-41.nr13.b020857-1.ewr03.atlas.cogentco.com	0
38.104.42.162	mail01.svr.boxoptions.com	0
38.104.42.163	—	0
38.104.42.164	te0-0-0-14.rcr52.ewr01.atlas.cogentco.com	0
38.104.42.165	gi0-0-0-7.nr14.b020857-1.ewr03.atlas.cogentco.com	0
38.104.42.166	be7931.rcr52.ewr01.atlas.cogentco.com	0
38.104.42.167	—	0
38.104.42.168	—	0
38.104.42.169	te0-0-0-1.162.agr61.ewr01.atlas.cogentco.com	0
38.104.42.170	—	0
38.104.42.171	—	0
38.104.42.172	—	0
38.104.42.173	gi2-10.mag01.ewr04.atlas.cogentco.com	0
38.104.42.174	—	0
38.104.42.175	—	0
38.104.42.176	—	0
38.104.42.177	te0-0-0-0.556.agr61.ewr01.atlas.cogentco.com	0
38.104.42.178	—	0
38.104.42.179	—	0
38.104.42.180	—	0
38.104.42.181	gi0-0-1-19.210.nr13.b020857-1.ewr03.atlas.cogentco.com	0
38.104.42.182	—	0
38.104.42.183	—	0
38.104.42.184	te0-0-0-1.139.agr61.ewr01.atlas.cogentco.com	0
38.104.42.185	fa0-13.na12.b006640-1.ewr03.atlas.cogentco.com	0
38.104.42.186	te0-0-0-0.951.agr62.ewr01.atlas.cogentco.com	0
38.104.42.187	—	0
38.104.42.188	—	0
38.104.42.189	gi100-0-0-7.nr13.b020857-1.ewr03.atlas.cogentco.com	0
38.104.42.190	—	0
38.104.42.191	—	0
38.104.42.192	te0-0-0-10.nr01.b066352-0.ewr01.atlas.cogentco.com	0
38.104.42.193	fa0-19.na02.b006640-1.ewr03.atlas.cogentco.com	0
38.104.42.194	gi0-0-0-7.nr01.b066352-0.ewr01.atlas.cogentco.com	0
38.104.42.195	—	0
38.104.42.196	—	0
38.104.42.197	gi0-0-0-19.207.nr13.b020857-1.ewr03.atlas.cogentco.com	0
38.104.42.198	—	0
38.104.42.199	—	0
38.104.42.200	gi0-0-0-12.nr01.b066352-0.ewr01.atlas.cogentco.com	0
38.104.42.201	fa0-6.na01.b006640-1.ewr03.atlas.cogentco.com	0
38.104.42.202	te0-2-0-4.nr51.b033057-0.ewr01.atlas.cogentco.com	0
38.104.42.203	—	0
38.104.42.204	—	0
38.104.42.205	gi500-0-0-42.201.rcr21.ewr03.atlas.cogentco.com	0
38.104.42.206	—	0
38.104.42.207	—	0
38.104.42.208	—	0
38.104.42.209	te0-0-0-0.1553.agr62.ewr01.atlas.cogentco.com	0
38.104.42.210	—	0
38.104.42.211	—	0
38.104.42.212	—	0
38.104.42.213	gi0-0-0-18.203.nr13.b020857-1.ewr03.atlas.cogentco.com	0
38.104.42.214	—	0
38.104.42.215	—	0
38.104.42.216	—	0
38.104.42.217	te0-0-0-2.361.agr61.ewr01.atlas.cogentco.com	0
38.104.42.218	—	0
38.104.42.219	—	0
38.104.42.220	—	0
38.104.42.221	gi2-22.mag01.ewr04.atlas.cogentco.com	0
38.104.42.222	—	0
38.104.42.223	—	0
38.104.42.224	—	0
38.104.42.225	te0-0-0-1.3999.agr62.ewr01.atlas.cogentco.com	0
38.104.42.226	—	0
38.104.42.227	—	0
38.104.42.228	—	0
38.104.42.229	—	0
38.104.42.230	—	0
38.104.42.231	—	0
38.104.42.232	—	0
38.104.42.233	te0-0-0-43.1628.agr61.ewr01.atlas.cogentco.com	0
38.104.42.234	—	0
38.104.42.235	—	0
38.104.42.236	—	0
38.104.42.237	—	0
38.104.42.238	—	0
38.104.42.239	—	0
38.104.42.240	—	0
38.104.42.241	te0-1-0-1.384.rcr52.ewr01.atlas.cogentco.com	0
38.104.42.242	—	0
38.104.42.243	—	0
38.104.42.244	—	0
38.104.42.245	—	0
38.104.42.246	—	0
38.104.42.247	—	0
38.104.42.248	—	0
38.104.42.249	te0-1-0-11.3998.rcr52.ewr01.atlas.cogentco.com	0
38.104.42.250	—	0
38.104.42.251	—	0
38.104.42.252	—	0
38.104.42.253	—	0
38.104.42.254	—	0
38.104.42.255	—	0

Traceroute

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

traceroute -a -n -q1 -f5 38.104.42.52

traceroute to 38.104.42.52 (38.104.42.52): 64 hops max, 52 byte packets

5 [AS174] 38.104.42.52 1.27 ms

Measurement taken from

IPinfo ProbeNet in Piscataway, US

On October 17th 2025