Summary

ASN	AS174 Cogent Communications, LLC
BGP	38.0.0.0/8
IPs with RDNS	35
Hosted Domains	0
Pingable IPs	35
Router IPs	0


38.140.166.0	—	0
38.140.166.1	gi0-0-0-2.743.agr11.iad01.atlas.cogentco.com	0
38.140.166.2	—	0
38.140.166.3	—	0
38.140.166.4	—	0
38.140.166.5	—	0
38.140.166.6	—	0
38.140.166.7	—	0
38.140.166.8	—	0
38.140.166.9	—	0
38.140.166.10	—	0
38.140.166.11	—	0
38.140.166.12	—	0
38.140.166.13	—	0
38.140.166.14	—	0
38.140.166.15	—	0
38.140.166.16	—	0
38.140.166.17	te0-0-1-8.161.rcr71.bwi01.atlas.cogentco.com	0
38.140.166.18	—	0
38.140.166.19	—	0
38.140.166.20	—	0
38.140.166.21	—	0
38.140.166.22	—	0
38.140.166.23	—	0
38.140.166.24	—	0
38.140.166.25	gi0-0-0-2.208.agr11.iad01.atlas.cogentco.com	0
38.140.166.26	—	0
38.140.166.27	—	0
38.140.166.28	—	0
38.140.166.29	—	0
38.140.166.30	—	0
38.140.166.31	—	0
38.140.166.32	—	0
38.140.166.33	te0-0-0-1.1382.nr13.b003393-1.iad03.atlas.cogentco.com	0
38.140.166.34	—	0
38.140.166.35	—	0
38.140.166.36	—	0
38.140.166.37	—	0
38.140.166.38	—	0
38.140.166.39	—	0
38.140.166.40	—	0
38.140.166.41	te0-0-0-1.4064.agr61.dca04.atlas.cogentco.com	0
38.140.166.42	—	0
38.140.166.43	—	0
38.140.166.44	—	0
38.140.166.45	—	0
38.140.166.46	—	0
38.140.166.47	—	0
38.140.166.48	—	0
38.140.166.49	te0-0-0-1.3530.rcr61.b000055-1.dca01.atlas.cogentco.com	0
38.140.166.50	—	0
38.140.166.51	—	0
38.140.166.52	—	0
38.140.166.53	—	0
38.140.166.54	—	0
38.140.166.55	—	0
38.140.166.56	—	0
38.140.166.57	te0-1-0-14.4088.rcr21.b003320-1.dca01.atlas.cogentco.com	0
38.140.166.58	—	0
38.140.166.59	—	0
38.140.166.60	—	0
38.140.166.61	—	0
38.140.166.62	—	0
38.140.166.63	—	0
38.140.166.64	—	0
38.140.166.65	te0-0-0-30.272.agr62.iad02.atlas.cogentco.com	0
38.140.166.66	—	0
38.140.166.67	—	0
38.140.166.68	—	0
38.140.166.69	—	0
38.140.166.70	—	0
38.140.166.71	—	0
38.140.166.72	—	0
38.140.166.73	gi0-0-0-12.170.nr11.b003393-1.iad03.atlas.cogentco.com	0
38.140.166.74	—	0
38.140.166.75	—	0
38.140.166.76	—	0
38.140.166.77	—	0
38.140.166.78	—	0
38.140.166.79	—	0
38.140.166.80	—	0
38.140.166.81	te0-3-1-14.rcr51.b039343-0.iad02.atlas.cogentco.com	0
38.140.166.82	—	0
38.140.166.83	—	0
38.140.166.84	—	0
38.140.166.85	—	0
38.140.166.86	—	0
38.140.166.87	—	0
38.140.166.88	—	0
38.140.166.89	te0-2-0-12.rcr21.iad03.atlas.cogentco.com	0
38.140.166.90	—	0
38.140.166.91	—	0
38.140.166.92	—	0
38.140.166.93	—	0
38.140.166.94	—	0
38.140.166.95	—	0
38.140.166.96	—	0
38.140.166.97	te0-0-0-3.rcr22.iad03.atlas.cogentco.com	0
38.140.166.98	—	0
38.140.166.99	—	0
38.140.166.100	—	0
38.140.166.101	—	0
38.140.166.102	—	0
38.140.166.103	—	0
38.140.166.104	—	0
38.140.166.105	gi0-3-0-17.rcr21.iad03.atlas.cogentco.com	0
38.140.166.106	—	0
38.140.166.107	—	0
38.140.166.108	—	0
38.140.166.109	—	0
38.140.166.110	—	0
38.140.166.111	—	0
38.140.166.112	—	0
38.140.166.113	te0-2-1-1.rcr51.b039343-0.iad02.atlas.cogentco.com	0
38.140.166.114	—	0
38.140.166.115	—	0
38.140.166.116	—	0
38.140.166.117	—	0
38.140.166.118	—	0
38.140.166.119	—	0
38.140.166.120	—	0
38.140.166.121	te0-0-0-30.269.agr62.iad02.atlas.cogentco.com	0
38.140.166.122	—	0
38.140.166.123	—	0
38.140.166.124	—	0
38.140.166.125	—	0
38.140.166.126	—	0
38.140.166.127	—	0
38.140.166.128	—	0
38.140.166.129	gi0-0-0-2.54.agr11.iad01.atlas.cogentco.com	0
38.140.166.130	—	0
38.140.166.131	—	0
38.140.166.132	—	0
38.140.166.133	—	0
38.140.166.134	—	0
38.140.166.135	—	0
38.140.166.136	—	0
38.140.166.137	gi0-0-0-12.151.nr11.b003393-1.iad03.atlas.cogentco.com	0
38.140.166.138	—	0
38.140.166.139	—	0
38.140.166.140	—	0
38.140.166.141	—	0
38.140.166.142	—	0
38.140.166.143	—	0
38.140.166.144	—	0
38.140.166.145	gi0-0-0-3.874.agr12.iad03.atlas.cogentco.com	0
38.140.166.146	—	0
38.140.166.147	—	0
38.140.166.148	—	0
38.140.166.149	—	0
38.140.166.150	—	0
38.140.166.151	—	0
38.140.166.152	—	0
38.140.166.153	te0-0-0-30.1871.agr62.iad02.atlas.cogentco.com	0
38.140.166.154	—	0
38.140.166.155	—	0
38.140.166.156	—	0
38.140.166.157	—	0
38.140.166.158	—	0
38.140.166.159	—	0
38.140.166.160	—	0
38.140.166.161	te0-0-1-8.3369.rcr71.bwi01.atlas.cogentco.com	0
38.140.166.162	—	0
38.140.166.163	—	0
38.140.166.164	—	0
38.140.166.165	—	0
38.140.166.166	—	0
38.140.166.167	—	0
38.140.166.168	—	0
38.140.166.169	te0-0-1-8.283.rcr71.bwi01.atlas.cogentco.com	0
38.140.166.170	—	0
38.140.166.171	—	0
38.140.166.172	—	0
38.140.166.173	—	0
38.140.166.174	—	0
38.140.166.175	—	0
38.140.166.176	—	0
38.140.166.177	gi0-0-0-2.180.agr11.iad01.atlas.cogentco.com	0
38.140.166.178	—	0
38.140.166.179	—	0
38.140.166.180	—	0
38.140.166.181	—	0
38.140.166.182	—	0
38.140.166.183	—	0
38.140.166.184	—	0
38.140.166.185	te0-0-0-22.rcr62.dca02.atlas.cogentco.com	0
38.140.166.186	—	0
38.140.166.187	—	0
38.140.166.188	—	0
38.140.166.189	—	0
38.140.166.190	—	0
38.140.166.191	—	0
38.140.166.192	—	0
38.140.166.193	te0-0-0-30.rcr61.dca02.atlas.cogentco.com	0
38.140.166.194	—	0
38.140.166.195	—	0
38.140.166.196	—	0
38.140.166.197	—	0
38.140.166.198	—	0
38.140.166.199	—	0
38.140.166.200	—	0
38.140.166.201	te0-1-0-2.1304.rcr21.b003320-1.dca01.atlas.cogentco.com	0
38.140.166.202	—	0
38.140.166.203	—	0
38.140.166.204	—	0
38.140.166.205	—	0
38.140.166.206	—	0
38.140.166.207	—	0
38.140.166.208	—	0
38.140.166.209	te0-0-0-1.4029.agr61.b003320-1.dca04.atlas.cogentco.com	0
38.140.166.210	—	0
38.140.166.211	—	0
38.140.166.212	—	0
38.140.166.213	—	0
38.140.166.214	—	0
38.140.166.215	—	0
38.140.166.216	—	0
38.140.166.217	gi0-3-0-14.rcr21.iad03.atlas.cogentco.com	0
38.140.166.218	—	0
38.140.166.219	—	0
38.140.166.220	—	0
38.140.166.221	—	0
38.140.166.222	—	0
38.140.166.223	—	0
38.140.166.224	—	0
38.140.166.225	te0-1-1-19.3294.rcr21.b003320-1.dca01.atlas.cogentco.com	0
38.140.166.226	—	0
38.140.166.227	—	0
38.140.166.228	—	0
38.140.166.229	—	0
38.140.166.230	—	0
38.140.166.231	—	0
38.140.166.232	—	0
38.140.166.233	te0-0-0-29.rcr62.dca02.atlas.cogentco.com	0
38.140.166.234	—	0
38.140.166.235	—	0
38.140.166.236	—	0
38.140.166.237	—	0
38.140.166.238	—	0
38.140.166.239	—	0
38.140.166.240	—	0
38.140.166.241	gi100-0-0-7.rcr01.b066594-0.iad02.atlas.cogentco.com	0
38.140.166.242	mail.edcus.com	0
38.140.166.243	mail.edcus.com	0
38.140.166.244	mail.edcus.com	0
38.140.166.245	mail.edcus.com	0
38.140.166.246	—	0
38.140.166.247	—	0
38.140.166.248	—	0
38.140.166.249	gi0-3-1-0.rcr21.iad03.atlas.cogentco.com	0
38.140.166.250	—	0
38.140.166.251	—	0
38.140.166.252	—	0
38.140.166.253	—	0
38.140.166.254	—	0
38.140.166.255	—	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 38.140.166.89

traceroute to 38.140.166.89 (38.140.166.89): 64 hops max, 52 byte packets

3 [AS174] 38.140.166.89 0.918 ms

Measurement taken from

IPinfo ProbeNet in Ashburn, US

On December 14th 2025