Summary

ASN	AS174 Cogent Communications, LLC
BGP	38.0.0.0/8
IPs with RDNS	37
Hosted Domains	0
Pingable IPs	36
Router IPs	7


38.104.101.0	—	0
38.104.101.1	be5166.rcr81.ord04.atlas.cogentco.com	0
38.104.101.2	—	0
38.104.101.3	—	0
38.104.101.4	—	0
38.104.101.5	—	0
38.104.101.6	—	0
38.104.101.7	—	0
38.104.101.8	—	0
38.104.101.9	gi0-2-0-6.rcr21.ord04.atlas.cogentco.com	0
38.104.101.10	—	0
38.104.101.11	—	0
38.104.101.12	—	0
38.104.101.13	—	0
38.104.101.14	—	0
38.104.101.15	—	0
38.104.101.16	—	0
38.104.101.17	be8392.nr71.b002326-1.ord04.atlas.cogentco.com	0
38.104.101.18	—	0
38.104.101.19	—	0
38.104.101.20	—	0
38.104.101.21	—	0
38.104.101.22	—	0
38.104.101.23	—	0
38.104.101.24	—	0
38.104.101.25	hu0-4-0-30.rcr81.ord04.atlas.cogentco.com	0
38.104.101.26	—	0
38.104.101.27	—	0
38.104.101.28	—	0
38.104.101.29	—	0
38.104.101.30	—	0
38.104.101.31	—	0
38.104.101.32	—	0
38.104.101.33	te0-0-0-11.nr01.b056581-0.ord03.atlas.cogentco.com	0
38.104.101.34	—	0
38.104.101.35	—	0
38.104.101.36	—	0
38.104.101.37	—	0
38.104.101.38	—	0
38.104.101.39	—	0
38.104.101.40	—	0
38.104.101.41	gi0-0-1-0.nr11.b057330-0.ord04.atlas.cogentco.com	0
38.104.101.42	—	0
38.104.101.43	—	0
38.104.101.44	—	0
38.104.101.45	—	0
38.104.101.46	—	0
38.104.101.47	—	0
38.104.101.48	—	0
38.104.101.49	gi0-0-0-3.nr11.b057330-0.ord04.atlas.cogentco.com	0
38.104.101.50	—	0
38.104.101.51	—	0
38.104.101.52	—	0
38.104.101.53	—	0
38.104.101.54	—	0
38.104.101.55	—	0
38.104.101.56	—	0
38.104.101.57	gi100-0-0-14.agr61.ord04.atlas.cogentco.com	0
38.104.101.58	—	0
38.104.101.59	—	0
38.104.101.60	—	0
38.104.101.61	—	0
38.104.101.62	—	0
38.104.101.63	—	0
38.104.101.64	—	0
38.104.101.65	be5360.rcr21.ord04.atlas.cogentco.com	0
38.104.101.66	—	0
38.104.101.67	—	0
38.104.101.68	—	0
38.104.101.69	—	0
38.104.101.70	—	0
38.104.101.71	—	0
38.104.101.72	—	0
38.104.101.73	gi100-0-0-27.agr61.ord04.atlas.cogentco.com	0
38.104.101.74	—	0
38.104.101.75	—	0
38.104.101.76	—	0
38.104.101.77	—	0
38.104.101.78	—	0
38.104.101.79	—	0
38.104.101.80	—	0
38.104.101.81	gi100-0-0-16.208.agr62.ord04.atlas.cogentco.com	0
38.104.101.82	—	0
38.104.101.83	—	0
38.104.101.84	—	0
38.104.101.85	—	0
38.104.101.86	—	0
38.104.101.87	—	0
38.104.101.88	—	0
38.104.101.89	gi100-0-0-24.rcr21.ord04.atlas.cogentco.com	0
38.104.101.90	—	0
38.104.101.91	—	0
38.104.101.92	—	0
38.104.101.93	—	0
38.104.101.94	—	0
38.104.101.95	—	0
38.104.101.96	—	0
38.104.101.97	te0-0-0-19.agr61.ord04.atlas.cogentco.com	0
38.104.101.98	—	0
38.104.101.99	—	0
38.104.101.100	—	0
38.104.101.101	—	0
38.104.101.102	—	0
38.104.101.103	—	0
38.104.101.104	—	0
38.104.101.105	te0-0-0-3.agr62.ord04.atlas.cogentco.com	0
38.104.101.106	—	0
38.104.101.107	—	0
38.104.101.108	—	0
38.104.101.109	—	0
38.104.101.110	—	0
38.104.101.111	—	0
38.104.101.112	—	0
38.104.101.113	gi100-0-0-21.agr61.ord04.atlas.cogentco.com	0
38.104.101.114	—	0
38.104.101.115	—	0
38.104.101.116	—	0
38.104.101.117	—	0
38.104.101.118	—	0
38.104.101.119	—	0
38.104.101.120	—	0
38.104.101.121	gi100-0-0-10.agr62.ord04.atlas.cogentco.com	0
38.104.101.122	—	0
38.104.101.123	—	0
38.104.101.124	—	0
38.104.101.125	—	0
38.104.101.126	—	0
38.104.101.127	—	0
38.104.101.128	—	0
38.104.101.129	be5686.agr61.ord04.atlas.cogentco.com	0
38.104.101.130	—	0
38.104.101.131	—	0
38.104.101.132	—	0
38.104.101.133	—	0
38.104.101.134	—	0
38.104.101.135	—	0
38.104.101.136	—	0
38.104.101.137	be5687.agr62.ord04.atlas.cogentco.com	0
38.104.101.138	—	0
38.104.101.139	—	0
38.104.101.140	—	0
38.104.101.141	—	0
38.104.101.142	—	0
38.104.101.143	—	0
38.104.101.144	—	0
38.104.101.145	gi100-0-0-19.agr61.ord04.atlas.cogentco.com	0
38.104.101.146	—	0
38.104.101.147	—	0
38.104.101.148	—	0
38.104.101.149	—	0
38.104.101.150	—	0
38.104.101.151	—	0
38.104.101.152	—	0
38.104.101.153	be4500.rcr21.ord04.atlas.cogentco.com	0
38.104.101.154	core05.aggr0.chi03.fdcservers.net	0
38.104.101.155	—	0
38.104.101.156	—	0
38.104.101.157	—	0
38.104.101.158	—	0
38.104.101.159	—	0
38.104.101.160	—	0
38.104.101.161	be4501.rcr21.ord04.atlas.cogentco.com	0
38.104.101.162	core04.aggr0.chi03.fdcservers.net	0
38.104.101.163	—	0
38.104.101.164	—	0
38.104.101.165	—	0
38.104.101.166	—	0
38.104.101.167	—	0
38.104.101.168	—	0
38.104.101.169	be4502.rcr21.ord04.atlas.cogentco.com	0
38.104.101.170	core03.aggr0.chi03.fdcservers.net	0
38.104.101.171	—	0
38.104.101.172	—	0
38.104.101.173	—	0
38.104.101.174	—	0
38.104.101.175	—	0
38.104.101.176	—	0
38.104.101.177	be5161.rcr21.ord04.atlas.cogentco.com	0
38.104.101.178	core02.aggr0.chi03.fdcservers.net	0
38.104.101.179	—	0
38.104.101.180	—	0
38.104.101.181	—	0
38.104.101.182	—	0
38.104.101.183	—	0
38.104.101.184	—	0
38.104.101.185	be5745.rcr21.ord04.atlas.cogentco.com	0
38.104.101.186	core01.aggr0.chi03.fdcservers.net	0
38.104.101.187	—	0
38.104.101.188	—	0
38.104.101.189	—	0
38.104.101.190	—	0
38.104.101.191	—	0
38.104.101.192	—	0
38.104.101.193	gi100-0-0-15.rcr21.ord04.atlas.cogentco.com	0
38.104.101.194	—	0
38.104.101.195	—	0
38.104.101.196	—	0
38.104.101.197	—	0
38.104.101.198	—	0
38.104.101.199	—	0
38.104.101.200	—	0
38.104.101.201	te0-0-0-1.nr61.b002326-1.ord04.atlas.cogentco.com	0
38.104.101.202	—	0
38.104.101.203	—	0
38.104.101.204	—	0
38.104.101.205	—	0
38.104.101.206	—	0
38.104.101.207	—	0
38.104.101.208	—	0
38.104.101.209	gi0-0-0-18.207.nr11.b057330-0.ord04.atlas.cogentco.com	0
38.104.101.210	—	0
38.104.101.211	—	0
38.104.101.212	—	0
38.104.101.213	—	0
38.104.101.214	—	0
38.104.101.215	—	0
38.104.101.216	—	0
38.104.101.217	gi0-0-0-19.208.nr11.b057330-0.ord04.atlas.cogentco.com	0
38.104.101.218	—	0
38.104.101.219	—	0
38.104.101.220	—	0
38.104.101.221	—	0
38.104.101.222	—	0
38.104.101.223	—	0
38.104.101.224	—	0
38.104.101.225	be4211.rcr21.ord04.atlas.cogentco.com	0
38.104.101.226	—	0
38.104.101.227	—	0
38.104.101.228	—	0
38.104.101.229	—	0
38.104.101.230	—	0
38.104.101.231	—	0
38.104.101.232	—	0
38.104.101.233	be5840.agr62.ord04.atlas.cogentco.com	0
38.104.101.234	—	0
38.104.101.235	—	0
38.104.101.236	—	0
38.104.101.237	—	0
38.104.101.238	—	0
38.104.101.239	—	0
38.104.101.240	—	0
38.104.101.241	te0-0-0-0.agr62.ord04.atlas.cogentco.com	0
38.104.101.242	—	0
38.104.101.243	—	0
38.104.101.244	—	0
38.104.101.245	—	0
38.104.101.246	—	0
38.104.101.247	—	0
38.104.101.248	—	0
38.104.101.249	hu0-4-0-16.rcr81.ord04.atlas.cogentco.com	0
38.104.101.250	—	0
38.104.101.251	—	0
38.104.101.252	—	0
38.104.101.253	—	0
38.104.101.254	—	0
38.104.101.255	—	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 38.104.101.26

traceroute to 38.104.101.26 (38.104.101.26): 64 hops max, 52 byte packets

2 [] 156.146.32.232 193.834 ms

3 *

4 [AS174] 38.104.101.26 0.148 ms

Measurement taken from

IPinfo ProbeNet in Chicago, US

On January 30th 2026