Summary

ASN	AS174 Cogent Communications, LLC
BGP	38.0.0.0/8
IPs with RDNS	36
Hosted Domains	0
Pingable IPs	44
Router IPs	4


38.140.42.0	—	0
38.140.42.1	gi0-0-0-13.nr11.b001026-0.iah01.atlas.cogentco.com	0
38.140.42.2	—	0
38.140.42.3	—	0
38.140.42.4	—	0
38.140.42.5	—	0
38.140.42.6	—	0
38.140.42.7	—	0
38.140.42.8	—	0
38.140.42.9	gi100-0-0-12.209.nr01.b001034-0.iah01.atlas.cogentco.com	0
38.140.42.10	—	0
38.140.42.11	—	0
38.140.42.12	—	0
38.140.42.13	—	0
38.140.42.14	—	0
38.140.42.15	—	0
38.140.42.16	—	0
38.140.42.17	gi100-0-0-13.201.nr01.b001034-0.iah01.atlas.cogentco.com	0
38.140.42.18	—	0
38.140.42.19	—	0
38.140.42.20	—	0
38.140.42.21	—	0
38.140.42.22	—	0
38.140.42.23	—	0
38.140.42.24	—	0
38.140.42.25	te0-0-0-23.2305.agr61.iah04.atlas.cogentco.com	0
38.140.42.26	—	0
38.140.42.27	—	0
38.140.42.28	—	0
38.140.42.29	—	0
38.140.42.30	—	0
38.140.42.31	—	0
38.140.42.32	—	0
38.140.42.33	gi0-0-0-1.nr01.b021813-0.iah01.atlas.cogentco.com	0
38.140.42.34	—	0
38.140.42.35	—	0
38.140.42.36	—	0
38.140.42.37	—	0
38.140.42.38	—	0
38.140.42.39	—	0
38.140.42.40	—	0
38.140.42.41	gi0-0-0-15.nr11.b000880-0.iah01.atlas.cogentco.com	0
38.140.42.42	—	0
38.140.42.43	—	0
38.140.42.44	—	0
38.140.42.45	—	0
38.140.42.46	—	0
38.140.42.47	—	0
38.140.42.48	—	0
38.140.42.49	gi0-0-0-19.205.nr11.b001031-0.iah01.atlas.cogentco.com	0
38.140.42.50	—	0
38.140.42.51	—	0
38.140.42.52	—	0
38.140.42.53	—	0
38.140.42.54	—	0
38.140.42.55	—	0
38.140.42.56	—	0
38.140.42.57	te0-0-0-18.rcr61.b034356-0.iah01.atlas.cogentco.com	0
38.140.42.58	—	0
38.140.42.59	—	0
38.140.42.60	—	0
38.140.42.61	—	0
38.140.42.62	—	0
38.140.42.63	—	0
38.140.42.64	—	0
38.140.42.65	gi0-0-0-4.nr01.b021813-0.iah01.atlas.cogentco.com	0
38.140.42.66	—	0
38.140.42.67	—	0
38.140.42.68	—	0
38.140.42.69	—	0
38.140.42.70	—	0
38.140.42.71	—	0
38.140.42.72	—	0
38.140.42.73	gi100-0-0-14.nr61.b001022-0.iah01.atlas.cogentco.com	0
38.140.42.74	—	0
38.140.42.75	—	0
38.140.42.76	—	0
38.140.42.77	—	0
38.140.42.78	—	0
38.140.42.79	—	0
38.140.42.80	—	0
38.140.42.81	gi0-0-0-2.nr11.b001038-0.iah01.atlas.cogentco.com	0
38.140.42.82	—	0
38.140.42.83	—	0
38.140.42.84	—	0
38.140.42.85	—	0
38.140.42.86	—	0
38.140.42.87	—	0
38.140.42.88	—	0
38.140.42.89	gi0-0-0-14.nr11.b000880-0.iah01.atlas.cogentco.com	0
38.140.42.90	—	0
38.140.42.91	—	0
38.140.42.92	—	0
38.140.42.93	—	0
38.140.42.94	—	0
38.140.42.95	—	0
38.140.42.96	—	0
38.140.42.97	gi0-0-0-12.nr11.b030622-0.iah01.atlas.cogentco.com	0
38.140.42.98	ipxexchange.ipx-communications.com	0
38.140.42.99	—	0
38.140.42.100	—	0
38.140.42.101	—	0
38.140.42.102	—	0
38.140.42.103	—	0
38.140.42.104	—	0
38.140.42.105	te0-0-0-23.2308.agr61.iah04.atlas.cogentco.com	0
38.140.42.106	—	0
38.140.42.107	—	0
38.140.42.108	—	0
38.140.42.109	—	0
38.140.42.110	—	0
38.140.42.111	—	0
38.140.42.112	—	0
38.140.42.113	gi0-0-0-9.nr11.b000880-0.iah01.atlas.cogentco.com	0
38.140.42.114	—	0
38.140.42.115	—	0
38.140.42.116	—	0
38.140.42.117	—	0
38.140.42.118	—	0
38.140.42.119	—	0
38.140.42.120	—	0
38.140.42.121	gi0-0-0-5.nr11.b000605-0.iah01.atlas.cogentco.com	0
38.140.42.122	—	0
38.140.42.123	—	0
38.140.42.124	—	0
38.140.42.125	—	0
38.140.42.126	—	0
38.140.42.127	—	0
38.140.42.128	—	0
38.140.42.129	gi0-0-0-19.204.nr11.b001034-0.iah01.atlas.cogentco.com	0
38.140.42.130	—	0
38.140.42.131	—	0
38.140.42.132	—	0
38.140.42.133	—	0
38.140.42.134	—	0
38.140.42.135	—	0
38.140.42.136	—	0
38.140.42.137	gi0-0-0-6.nr11.b001026-0.iah01.atlas.cogentco.com	0
38.140.42.138	—	0
38.140.42.139	—	0
38.140.42.140	—	0
38.140.42.141	—	0
38.140.42.142	—	0
38.140.42.143	—	0
38.140.42.144	—	0
38.140.42.145	gi0-0-1-1.agr11.iah01.atlas.cogentco.com	0
38.140.42.146	—	0
38.140.42.147	mail.twoil.com	0
38.140.42.148	—	0
38.140.42.149	—	0
38.140.42.150	—	0
38.140.42.151	—	0
38.140.42.152	—	0
38.140.42.153	gi100-0-0-2.nr61.b001056-0.iah01.atlas.cogentco.com	0
38.140.42.154	—	0
38.140.42.155	—	0
38.140.42.156	—	0
38.140.42.157	—	0
38.140.42.158	—	0
38.140.42.159	—	0
38.140.42.160	—	0
38.140.42.161	te0-3-1-19.rcr51.b056734-0.iah01.atlas.cogentco.com	0
38.140.42.162	—	0
38.140.42.163	—	0
38.140.42.164	—	0
38.140.42.165	—	0
38.140.42.166	—	0
38.140.42.167	—	0
38.140.42.168	—	0
38.140.42.169	gi100-0-0-7.nr61.b001067-0.iah01.atlas.cogentco.com	0
38.140.42.170	—	0
38.140.42.171	—	0
38.140.42.172	—	0
38.140.42.173	—	0
38.140.42.174	—	0
38.140.42.175	—	0
38.140.42.176	—	0
38.140.42.177	gi100-0-0-8.nr61.b001049-0.iah01.atlas.cogentco.com	0
38.140.42.178	mail.houstonamerican.com	0
38.140.42.179	—	0
38.140.42.180	—	0
38.140.42.181	—	0
38.140.42.182	—	0
38.140.42.183	—	0
38.140.42.184	—	0
38.140.42.185	te0-0-0-11.nr01.b000991-0.iah01.atlas.cogentco.com	0
38.140.42.186	—	0
38.140.42.187	—	0
38.140.42.188	—	0
38.140.42.189	—	0
38.140.42.190	—	0
38.140.42.191	—	0
38.140.42.192	—	0
38.140.42.193	gi0-0-0-10.nr11.b015442-0.iah01.atlas.cogentco.com	0
38.140.42.194	—	0
38.140.42.195	—	0
38.140.42.196	—	0
38.140.42.197	—	0
38.140.42.198	—	0
38.140.42.199	—	0
38.140.42.200	—	0
38.140.42.201	hu0-0-0-11.nr61.b044735-0.iah01.atlas.cogentco.com	0
38.140.42.202	houston.clearstructure.com	0
38.140.42.203	—	0
38.140.42.204	—	0
38.140.42.205	—	0
38.140.42.206	—	0
38.140.42.207	—	0
38.140.42.208	—	0
38.140.42.209	gi100-0-0-2.nr61.b001069-0.iah01.atlas.cogentco.com	0
38.140.42.210	—	0
38.140.42.211	—	0
38.140.42.212	—	0
38.140.42.213	—	0
38.140.42.214	—	0
38.140.42.215	—	0
38.140.42.216	—	0
38.140.42.217	gi100-0-0-22.nr61.b001056-0.iah01.atlas.cogentco.com	0
38.140.42.218	—	0
38.140.42.219	—	0
38.140.42.220	—	0
38.140.42.221	—	0
38.140.42.222	—	0
38.140.42.223	—	0
38.140.42.224	—	0
38.140.42.225	gi0-0-0-13.nr01.b000606-0.iah01.atlas.cogentco.com	0
38.140.42.226	—	0
38.140.42.227	—	0
38.140.42.228	—	0
38.140.42.229	—	0
38.140.42.230	—	0
38.140.42.231	—	0
38.140.42.232	—	0
38.140.42.233	gi0-0-0-18.205.nr11.b000883-0.iah01.atlas.cogentco.com	0
38.140.42.234	—	0
38.140.42.235	—	0
38.140.42.236	—	0
38.140.42.237	—	0
38.140.42.238	—	0
38.140.42.239	—	0
38.140.42.240	—	0
38.140.42.241	hu0-0-0-11.nr61.b044735-0.iah01.atlas.cogentco.com	0
38.140.42.242	—	0
38.140.42.243	—	0
38.140.42.244	—	0
38.140.42.245	—	0
38.140.42.246	—	0
38.140.42.247	—	0
38.140.42.248	—	0
38.140.42.249	gi100-0-0-15.nr61.b001022-0.iah01.atlas.cogentco.com	0
38.140.42.250	—	0
38.140.42.251	—	0
38.140.42.252	—	0
38.140.42.253	—	0
38.140.42.254	—	0
38.140.42.255	—	0

Traceroute

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

traceroute -a -n -q1 38.140.42.105

traceroute to 38.140.42.105 (38.140.42.105): 64 hops max, 52 byte packets

1 [AS399646] 23.26.125.1 0.269 ms

2 *

3 [AS174] 38.140.42.105 2.565 ms

Measurement taken from

IPinfo ProbeNet in Houston, US

On December 6th 2025