Summary

ASN	AS174 Cogent Communications, LLC
BGP	38.0.0.0/8
IPs with RDNS	83
Hosted Domains	0
Pingable IPs	73
Router IPs	19


38.104.103.0	te0-0-0-2.rcr61.b002281-10.ord03.atlas.cogentco.com	0
38.104.103.1	gi200-0-0-19.agr61.ord03.atlas.cogentco.com	0
38.104.103.2	te0-0-1-0.3999.nr11.b002281-1.ord03.atlas.cogentco.com	0
38.104.103.3	—	0
38.104.103.4	—	0
38.104.103.5	gi100-0-0-16.223.rcr21.ord07.atlas.cogentco.com	0
38.104.103.6	—	0
38.104.103.7	—	0
38.104.103.8	—	0
38.104.103.9	te0-0-0-43.nr61.b010917-1.ord01.atlas.cogentco.com	0
38.104.103.10	—	0
38.104.103.11	—	0
38.104.103.12	te0-8-0-6.2152.ccr41.ord03.atlas.cogentco.com	0
38.104.103.13	gi0-0-0-18.211.nr11.b000659-0.ord01.atlas.cogentco.com	0
38.104.103.14	te0-0-2-2.3988.nr11.b002281-1.ord03.atlas.cogentco.com	0
38.104.103.15	—	0
38.104.103.16	—	0
38.104.103.17	gi100-0-0-9.210.nr61.b000619-0.ord01.atlas.cogentco.com	0
38.104.103.18	—	0
38.104.103.19	—	0
38.104.103.20	te0-0-0-4.agr62.ord03.atlas.cogentco.com	0
38.104.103.21	be4306.ccr41.ord03.atlas.cogentco.com	0
38.104.103.22	be7730.379.ccr41.ord03.atlas.cogentco.com	0
38.104.103.23	—	0
38.104.103.24	—	0
38.104.103.25	te0-0-1-3.3992.nr11.b002281-1.ord03.atlas.cogentco.com	0
38.104.103.26	—	0
38.104.103.27	—	0
38.104.103.28	—	0
38.104.103.29	se3-1-28-0.ca04.b002326-3.ord01.atlas.cogentco.com	0
38.104.103.30	—	0
38.104.103.31	—	0
38.104.103.32	—	0
38.104.103.33	te0-0-1-1.793.nr11.b002281-1.ord03.atlas.cogentco.com	0
38.104.103.34	—	0
38.104.103.35	—	0
38.104.103.36	—	0
38.104.103.37	gi0-0-0-18.204.nr11.b000277-0.ord01.atlas.cogentco.com	0
38.104.103.38	—	0
38.104.103.39	—	0
38.104.103.40	—	0
38.104.103.41	be4388.agr62.ord03.atlas.cogentco.com	0
38.104.103.42	—	0
38.104.103.43	—	0
38.104.103.44	—	0
38.104.103.45	be6026.ccr41.ord03.atlas.cogentco.com	0
38.104.103.46	—	0
38.104.103.47	—	0
38.104.103.48	—	0
38.104.103.49	hu0-6-0-6.ccr41.ord03.atlas.cogentco.com	0
38.104.103.50	—	0
38.104.103.51	—	0
38.104.103.52	—	0
38.104.103.53	te0-0-0-0.223.rcr11.b002281-5.ord03.atlas.cogentco.com	0
38.104.103.54	—	0
38.104.103.55	—	0
38.104.103.56	—	0
38.104.103.57	te0-0-0-10.nr01.b017638-0.ord01.atlas.cogentco.com	0
38.104.103.58	chi-ext-fw.veliosystems.com	0
38.104.103.59	—	0
38.104.103.60	—	0
38.104.103.61	gi100-0-0-19.agr11.ord03.atlas.cogentco.com	0
38.104.103.62	—	0
38.104.103.63	—	0
38.104.103.64	—	0
38.104.103.65	gi0-0-0-19.204.nr01.b000657-0.ord01.atlas.cogentco.com	0
38.104.103.66	smtp.associationforum.org	0
38.104.103.67	—	0
38.104.103.68	—	0
38.104.103.69	be5349.rcr51.b025243-2.ord01.atlas.cogentco.com	0
38.104.103.70	—	0
38.104.103.71	—	0
38.104.103.72	be9016.ccr41.ord03.atlas.cogentco.com	0
38.104.103.73	gi0-0-0-13.nr11.b000629-0.ord01.atlas.cogentco.com	0
38.104.103.74	te0-0-1-3.3990.nr11.b002281-1.ord03.atlas.cogentco.com	0
38.104.103.75	—	0
38.104.103.76	te0-0-0-18.agr62.ord03.atlas.cogentco.com	0
38.104.103.77	fa0-17.na04.b000268-0.ord01.atlas.cogentco.com	0
38.104.103.78	te0-0-1-2.3985.nr11.b002281-1.ord03.atlas.cogentco.com	0
38.104.103.79	—	0
38.104.103.80	—	0
38.104.103.81	gi200-0-0-21.rcr21.b002281-5.ord03.atlas.cogentco.com	0
38.104.103.82	—	0
38.104.103.83	—	0
38.104.103.84	—	0
38.104.103.85	gi0-2-1-17.214.ccr22.ord03.atlas.cogentco.com	0
38.104.103.86	—	0
38.104.103.87	—	0
38.104.103.88	gi100-0-0-1.rcr21.b002281-5.ord03.atlas.cogentco.com	0
38.104.103.89	gi100-0-0-27.agr11.ord03.atlas.cogentco.com	0
38.104.103.90	gi0-0-0-0.201.nr11.b002281-1.ord03.atlas.cogentco.com	0
38.104.103.91	—	0
38.104.103.92	—	0
38.104.103.93	gi0-4-1-2.rcr21.b002281-5.ord03.atlas.cogentco.com	0
38.104.103.94	—	0
38.104.103.95	—	0
38.104.103.96	—	0
38.104.103.97	te0-3-0-5-8.ccr41.ord03.atlas.cogentco.com	0
38.104.103.98	—	0
38.104.103.99	—	0
38.104.103.100	—	0
38.104.103.101	te0-19-0-19.ccr41.ord03.atlas.cogentco.com	0
38.104.103.102	—	0
38.104.103.103	—	0
38.104.103.104	te0-0-2-2.3985.nr11.b002281-1.ord03.atlas.cogentco.com	0
38.104.103.105	te0-18-0-19.ccr41.ord03.atlas.cogentco.com	0
38.104.103.106	te0-1-1-4.rcr21.b002281-5.ord03.atlas.cogentco.com	0
38.104.103.107	—	0
38.104.103.108	—	0
38.104.103.109	gi200-0-0-7.agr61.ord03.atlas.cogentco.com	0
38.104.103.110	—	0
38.104.103.111	—	0
38.104.103.112	—	0
38.104.103.113	te0-1-1-7.rcr21.b002281-5.ord03.atlas.cogentco.com	0
38.104.103.114	—	0
38.104.103.115	—	0
38.104.103.116	—	0
38.104.103.117	te0-1-0-2.ccr41.ord03.atlas.cogentco.com	0
38.104.103.118	—	0
38.104.103.119	—	0
38.104.103.120	—	0
38.104.103.121	gi0-2-0-18.223.ccr22.ord03.atlas.cogentco.com	0
38.104.103.122	—	0
38.104.103.123	—	0
38.104.103.124	—	0
38.104.103.125	gi0-4-1-9.rcr21.b002281-5.ord03.atlas.cogentco.com	0
38.104.103.126	—	0
38.104.103.127	—	0
38.104.103.128	—	0
38.104.103.129	hu0-0-0-21.ccr41.ord03.atlas.cogentco.com	0
38.104.103.130	—	0
38.104.103.131	—	0
38.104.103.132	—	0
38.104.103.133	gi0-2-1-16.222.ccr22.ord03.atlas.cogentco.com	0
38.104.103.134	—	0
38.104.103.135	—	0
38.104.103.136	—	0
38.104.103.137	gi0-0-0-0.nr01.b061486-0.ord03.atlas.cogentco.com	0
38.104.103.138	—	0
38.104.103.139	—	0
38.104.103.140	—	0
38.104.103.141	gi100-0-0-38.220.rcr21.b002281-5.ord03.atlas.cogentco.com	0
38.104.103.142	—	0
38.104.103.143	—	0
38.104.103.144	te0-1-0-11.rcr21.b002281-5.ord03.atlas.cogentco.com	0
38.104.103.145	gi100-0-0-13.agr12.ord03.atlas.cogentco.com	0
38.104.103.146	be8094.rcr21.b002281-5.ord03.atlas.cogentco.com	0
38.104.103.147	—	0
38.104.103.148	—	0
38.104.103.149	te0-9-0-5-7.ccr41.ord03.atlas.cogentco.com	0
38.104.103.150	—	0
38.104.103.151	—	0
38.104.103.152	—	0
38.104.103.153	te0-0-0-33.agr61.ord03.atlas.cogentco.com	0
38.104.103.154	—	0
38.104.103.155	—	0
38.104.103.156	—	0
38.104.103.157	—	0
38.104.103.158	—	0
38.104.103.159	—	0
38.104.103.160	—	0
38.104.103.161	be6623.ccr41.ord03.atlas.cogentco.com	0
38.104.103.162	—	0
38.104.103.163	—	0
38.104.103.164	—	0
38.104.103.165	te0-7-0-25.rcr21.b002281-5.ord03.atlas.cogentco.com	0
38.104.103.166	cogent-chi.liquidweb.com	0
38.104.103.167	—	0
38.104.103.168	—	0
38.104.103.169	gi200-0-0-1.rcr21.b002281-5.ord03.atlas.cogentco.com	0
38.104.103.170	—	0
38.104.103.171	—	0
38.104.103.172	—	0
38.104.103.173	—	0
38.104.103.174	—	0
38.104.103.175	—	0
38.104.103.176	—	0
38.104.103.177	te0-4-0-5-3.ccr41.ord03.atlas.cogentco.com	0
38.104.103.178	—	0
38.104.103.179	—	0
38.104.103.180	—	0
38.104.103.181	gi0-0-0-7.nr11.b002281-5.ord03.atlas.cogentco.com	0
38.104.103.182	—	0
38.104.103.183	—	0
38.104.103.184	—	0
38.104.103.185	te0-0-0-16.nr71.b002326-1.ord04.atlas.cogentco.com	0
38.104.103.186	—	0
38.104.103.187	—	0
38.104.103.188	—	0
38.104.103.189	—	0
38.104.103.190	—	0
38.104.103.191	—	0
38.104.103.192	be8093.ccr41.ord03.atlas.cogentco.com	0
38.104.103.193	gi0-2-0-16.211.ccr22.ord03.atlas.cogentco.com	0
38.104.103.194	gi100-0-0-38.agr61.ord03.atlas.cogentco.com	0
38.104.103.195	—	0
38.104.103.196	—	0
38.104.103.197	gi100-0-0-31.agr61.ord03.atlas.cogentco.com	0
38.104.103.198	—	0
38.104.103.199	—	0
38.104.103.200	—	0
38.104.103.201	gi100-0-0-38.207.rcr21.b002281-5.ord03.atlas.cogentco.com	0
38.104.103.202	—	0
38.104.103.203	—	0
38.104.103.204	—	0
38.104.103.205	—	0
38.104.103.206	—	0
38.104.103.207	—	0
38.104.103.208	—	0
38.104.103.209	te0-0-0-0.2353.agr61.ord03.atlas.cogentco.com	0
38.104.103.210	—	0
38.104.103.211	—	0
38.104.103.212	—	0
38.104.103.213	gi100-0-0-15.agr11.ord03.atlas.cogentco.com	0
38.104.103.214	—	0
38.104.103.215	—	0
38.104.103.216	—	0
38.104.103.217	te0-0-0-0.936.agr62.ord03.atlas.cogentco.com	0
38.104.103.218	—	0
38.104.103.219	—	0
38.104.103.220	—	0
38.104.103.221	—	0
38.104.103.222	—	0
38.104.103.223	—	0
38.104.103.224	—	0
38.104.103.225	te0-0-0-44.nr61.b002287-0.ord01.atlas.cogentco.com	0
38.104.103.226	—	0
38.104.103.227	—	0
38.104.103.228	—	0
38.104.103.229	gi0-2-0-6.ccr22.ord03.atlas.cogentco.com	0
38.104.103.230	—	0
38.104.103.231	—	0
38.104.103.232	hu0-19-0-7.1000.ccr41.ord03.atlas.cogentco.com	0
38.104.103.233	gi0-0-0-18.203.nr11.b002281-5.ord03.atlas.cogentco.com	0
38.104.103.234	hu0-19-0-18.ccr41.ord03.atlas.cogentco.com	0
38.104.103.235	—	0
38.104.103.236	—	0
38.104.103.237	te0-3-0-3.rcr21.b002281-5.ord03.atlas.cogentco.com	0
38.104.103.238	—	0
38.104.103.239	—	0
38.104.103.240	—	0
38.104.103.241	hu0-7-0-2.rcr21.b002281-5.ord03.atlas.cogentco.com	0
38.104.103.242	—	0
38.104.103.243	—	0
38.104.103.244	—	0
38.104.103.245	—	0
38.104.103.246	—	0
38.104.103.247	—	0
38.104.103.248	—	0
38.104.103.249	te0-12-0-1-4.ccr41.ord03.atlas.cogentco.com	0
38.104.103.250	—	0
38.104.103.251	—	0
38.104.103.252	be8200.rcr21.b002281-5.ord03.atlas.cogentco.com	0
38.104.103.253	te0-4-0-31.ccr21.ord03.atlas.cogentco.com	0
38.104.103.254	hu0-0-0-20.nr01.b061486-0.ord03.atlas.cogentco.com	0
38.104.103.255	—	0

Traceroute

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

traceroute -a -n -q1 38.104.103.241

traceroute to 38.104.103.241 (38.104.103.241): 64 hops max, 52 byte packets

1 [AS202422] 37.9.35.3 0.121 ms

2 [AS199524] 92.223.68.34 0.37 ms

3 *

4 [AS174] 38.104.103.241 0.873 ms

Measurement taken from

IPinfo ProbeNet in Chicago, US

On December 20th 2025