Summary

ASN	AS174 Cogent Communications, LLC
BGP	38.0.0.0/8
IPs with RDNS	39
Hosted Domains	0
Pingable IPs	32
Router IPs	12


38.140.184.0	—	0
38.140.184.1	be4559.rcr21.b000577-1.den01.atlas.cogentco.com	0
38.140.184.2	core03.aggr0.den.fdcservers.net	0
38.140.184.3	—	0
38.140.184.4	—	0
38.140.184.5	—	0
38.140.184.6	—	0
38.140.184.7	—	0
38.140.184.8	—	0
38.140.184.9	gi100-0-0-12.nr61.b011392-0.den01.atlas.cogentco.com	0
38.140.184.10	—	0
38.140.184.11	—	0
38.140.184.12	—	0
38.140.184.13	—	0
38.140.184.14	—	0
38.140.184.15	—	0
38.140.184.16	—	0
38.140.184.17	be4560.rcr21.b000577-1.den01.atlas.cogentco.com	0
38.140.184.18	core03.aggr1.den.fdcservers.net	0
38.140.184.19	—	0
38.140.184.20	—	0
38.140.184.21	—	0
38.140.184.22	—	0
38.140.184.23	—	0
38.140.184.24	—	0
38.140.184.25	te0-0-0-8.nr01.b000533-0.den01.atlas.cogentco.com	0
38.140.184.26	—	0
38.140.184.27	—	0
38.140.184.28	—	0
38.140.184.29	—	0
38.140.184.30	—	0
38.140.184.31	—	0
38.140.184.32	—	0
38.140.184.33	gi0-0-0-9.nr11.b023261-0.den01.atlas.cogentco.com	0
38.140.184.34	—	0
38.140.184.35	—	0
38.140.184.36	—	0
38.140.184.37	—	0
38.140.184.38	—	0
38.140.184.39	—	0
38.140.184.40	—	0
38.140.184.41	be4592.rcr21.b000577-1.den01.atlas.cogentco.com	0
38.140.184.42	core04.aggr0.den.fdcservers.net	0
38.140.184.43	—	0
38.140.184.44	—	0
38.140.184.45	—	0
38.140.184.46	—	0
38.140.184.47	—	0
38.140.184.48	—	0
38.140.184.49	gi100-0-0-1.nr61.b011392-0.den01.atlas.cogentco.com	0
38.140.184.50	—	0
38.140.184.51	—	0
38.140.184.52	—	0
38.140.184.53	—	0
38.140.184.54	—	0
38.140.184.55	—	0
38.140.184.56	—	0
38.140.184.57	gi0-0-0-7.213.nr01.b000521-0.den01.atlas.cogentco.com	0
38.140.184.58	—	0
38.140.184.59	—	0
38.140.184.60	—	0
38.140.184.61	—	0
38.140.184.62	—	0
38.140.184.63	—	0
38.140.184.64	—	0
38.140.184.65	gi100-0-0-22.nr61.b011392-0.den01.atlas.cogentco.com	0
38.140.184.66	—	0
38.140.184.67	—	0
38.140.184.68	—	0
38.140.184.69	—	0
38.140.184.70	—	0
38.140.184.71	—	0
38.140.184.72	—	0
38.140.184.73	hu0-4-0-15.rcr21.b006467-6.den01.atlas.cogentco.com	0
38.140.184.74	—	0
38.140.184.75	—	0
38.140.184.76	—	0
38.140.184.77	—	0
38.140.184.78	—	0
38.140.184.79	—	0
38.140.184.80	—	0
38.140.184.81	te0-0-0-19.nr61.b011392-0.den01.atlas.cogentco.com	0
38.140.184.82	—	0
38.140.184.83	—	0
38.140.184.84	—	0
38.140.184.85	—	0
38.140.184.86	—	0
38.140.184.87	—	0
38.140.184.88	—	0
38.140.184.89	te0-3-0-14.3995.rcr21.b006467-6.den01.atlas.cogentco.com	0
38.140.184.90	—	0
38.140.184.91	—	0
38.140.184.92	—	0
38.140.184.93	—	0
38.140.184.94	—	0
38.140.184.95	—	0
38.140.184.96	—	0
38.140.184.97	te0-0-0-29.nr61.b011392-0.den01.atlas.cogentco.com	0
38.140.184.98	—	0
38.140.184.99	—	0
38.140.184.100	—	0
38.140.184.101	—	0
38.140.184.102	—	0
38.140.184.103	—	0
38.140.184.104	—	0
38.140.184.105	gi0-0-0-9.nr11.b000546-0.den01.atlas.cogentco.com	0
38.140.184.106	—	0
38.140.184.107	—	0
38.140.184.108	—	0
38.140.184.109	—	0
38.140.184.110	—	0
38.140.184.111	—	0
38.140.184.112	—	0
38.140.184.113	gi100-0-0-2.rcr61.b011392-0.den01.atlas.cogentco.com	0
38.140.184.114	—	0
38.140.184.115	—	0
38.140.184.116	—	0
38.140.184.117	—	0
38.140.184.118	—	0
38.140.184.119	—	0
38.140.184.120	—	0
38.140.184.121	te0-0-0-46.rcr61.b028469-0.den01.atlas.cogentco.com	0
38.140.184.122	—	0
38.140.184.123	—	0
38.140.184.124	—	0
38.140.184.125	—	0
38.140.184.126	—	0
38.140.184.127	—	0
38.140.184.128	—	0
38.140.184.129	gi0-0-0-18.406.nr01.b000531-0.den01.atlas.cogentco.com	0
38.140.184.130	—	0
38.140.184.131	—	0
38.140.184.132	—	0
38.140.184.133	—	0
38.140.184.134	—	0
38.140.184.135	—	0
38.140.184.136	—	0
38.140.184.137	gi0-0-0-5.nr01.b000521-0.den01.atlas.cogentco.com	0
38.140.184.138	—	0
38.140.184.139	—	0
38.140.184.140	—	0
38.140.184.141	—	0
38.140.184.142	—	0
38.140.184.143	—	0
38.140.184.144	—	0
38.140.184.145	be5198.rcr21.b000577-1.den01.atlas.cogentco.com	0
38.140.184.146	core23.aggr0.den.fdcservers.net	0
38.140.184.147	—	0
38.140.184.148	—	0
38.140.184.149	—	0
38.140.184.150	—	0
38.140.184.151	—	0
38.140.184.152	—	0
38.140.184.153	te0-0-0-4.204.nr61.b006545-1.den01.atlas.cogentco.com	0
38.140.184.154	—	0
38.140.184.155	—	0
38.140.184.156	—	0
38.140.184.157	—	0
38.140.184.158	—	0
38.140.184.159	—	0
38.140.184.160	—	0
38.140.184.161	gi0-0-0-35.nr01.b002481-1.den01.atlas.cogentco.com	0
38.140.184.162	—	0
38.140.184.163	—	0
38.140.184.164	—	0
38.140.184.165	—	0
38.140.184.166	—	0
38.140.184.167	—	0
38.140.184.168	—	0
38.140.184.169	te0-0-0-45.agr62.ewr01.atlas.cogentco.com	0
38.140.184.170	—	0
38.140.184.171	—	0
38.140.184.172	—	0
38.140.184.173	—	0
38.140.184.174	—	0
38.140.184.175	—	0
38.140.184.176	—	0
38.140.184.177	te0-0-0-9.nr01.b000532-0.den01.atlas.cogentco.com	0
38.140.184.178	—	0
38.140.184.179	—	0
38.140.184.180	—	0
38.140.184.181	—	0
38.140.184.182	—	0
38.140.184.183	—	0
38.140.184.184	—	0
38.140.184.185	be6830.nr61.b006467-5.den01.atlas.cogentco.com	0
38.140.184.186	—	0
38.140.184.187	—	0
38.140.184.188	—	0
38.140.184.189	—	0
38.140.184.190	—	0
38.140.184.191	—	0
38.140.184.192	—	0
38.140.184.193	gi0-0-0-6.nr11.b006544-0.den01.atlas.cogentco.com	0
38.140.184.194	—	0
38.140.184.195	—	0
38.140.184.196	—	0
38.140.184.197	—	0
38.140.184.198	—	0
38.140.184.199	—	0
38.140.184.200	—	0
38.140.184.201	hu0-4-0-1.rcr21.b000577-1.den01.atlas.cogentco.com	0
38.140.184.202	—	0
38.140.184.203	—	0
38.140.184.204	—	0
38.140.184.205	—	0
38.140.184.206	—	0
38.140.184.207	—	0
38.140.184.208	—	0
38.140.184.209	gi0-0-0-4.nr11.b000528-0.den01.atlas.cogentco.com	0
38.140.184.210	—	0
38.140.184.211	—	0
38.140.184.212	—	0
38.140.184.213	—	0
38.140.184.214	—	0
38.140.184.215	—	0
38.140.184.216	—	0
38.140.184.217	te0-6-0-0-3.rcr21.b006467-6.den01.atlas.cogentco.com	0
38.140.184.218	—	0
38.140.184.219	—	0
38.140.184.220	—	0
38.140.184.221	—	0
38.140.184.222	—	0
38.140.184.223	—	0
38.140.184.224	—	0
38.140.184.225	gi0-0-0-0.nr01.b000542-0.den01.atlas.cogentco.com	0
38.140.184.226	—	0
38.140.184.227	—	0
38.140.184.228	gi0-0-0-6.210.nr01.b000531-0.den01.atlas.cogentco.com	0
38.140.184.229	denver_ho.woodriverenergy.com	0
38.140.184.230	gi100-0-0-3.nr61.b000571-0.den01.atlas.cogentco.com	0
38.140.184.231	—	0
38.140.184.232	—	0
38.140.184.233	te0-0-0-25.nr61.b006467-5.den01.atlas.cogentco.com	0
38.140.184.234	—	0
38.140.184.235	—	0
38.140.184.236	—	0
38.140.184.237	—	0
38.140.184.238	—	0
38.140.184.239	—	0
38.140.184.240	—	0
38.140.184.241	gi0-0-0-3.nr11.b042213-0.den01.atlas.cogentco.com	0
38.140.184.242	—	0
38.140.184.243	—	0
38.140.184.244	—	0
38.140.184.245	—	0
38.140.184.246	—	0
38.140.184.247	—	0
38.140.184.248	—	0
38.140.184.249	gi0-0-0-0.nr01.b000541-0.den01.atlas.cogentco.com	0
38.140.184.250	—	0
38.140.184.251	—	0
38.140.184.252	—	0
38.140.184.253	—	0
38.140.184.254	—	0
38.140.184.255	—	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 38.140.184.235

traceroute to 38.140.184.235 (38.140.184.235): 64 hops max, 52 byte packets

3 [AS174] 154.24.26.114 1.273 ms

4 [AS174] 38.140.184.235 0.6 ms

Measurement taken from

IPinfo ProbeNet in Denver, US

On December 14th 2025