Summary

ASN	AS174 Cogent Communications, LLC
BGP	38.0.0.0/8
IPs with RDNS	36
Hosted Domains	0
Pingable IPs	45
Router IPs	6


38.140.156.0	—	0
38.140.156.1	gi100-0-0-18.nr61.b002249-1.bos01.atlas.cogentco.com	0
38.140.156.2	—	0
38.140.156.3	—	0
38.140.156.4	—	0
38.140.156.5	—	0
38.140.156.6	—	0
38.140.156.7	—	0
38.140.156.8	—	0
38.140.156.9	gi200-0-0-6.agr22.bos01.atlas.cogentco.com	0
38.140.156.10	—	0
38.140.156.11	—	0
38.140.156.12	—	0
38.140.156.13	—	0
38.140.156.14	—	0
38.140.156.15	—	0
38.140.156.16	—	0
38.140.156.17	gi0-0-0-5.nr11.b000232-0.bos01.atlas.cogentco.com	0
38.140.156.18	—	0
38.140.156.19	mail.indexmngr.com	0
38.140.156.20	—	0
38.140.156.21	mail.indexmngr.com	0
38.140.156.22	—	0
38.140.156.23	—	0
38.140.156.24	—	0
38.140.156.25	te0-4-1-1.1616.agr21.bos01.atlas.cogentco.com	0
38.140.156.26	—	0
38.140.156.27	—	0
38.140.156.28	—	0
38.140.156.29	—	0
38.140.156.30	—	0
38.140.156.31	—	0
38.140.156.32	—	0
38.140.156.33	gi0-0-0-0.nr11.b000201-0.bos01.atlas.cogentco.com	0
38.140.156.34	—	0
38.140.156.35	—	0
38.140.156.36	—	0
38.140.156.37	—	0
38.140.156.38	—	0
38.140.156.39	—	0
38.140.156.40	—	0
38.140.156.41	gi0-0-1-5.nr11.b000504-0.bos01.atlas.cogentco.com	0
38.140.156.42	—	0
38.140.156.43	—	0
38.140.156.44	—	0
38.140.156.45	—	0
38.140.156.46	—	0
38.140.156.47	—	0
38.140.156.48	—	0
38.140.156.49	gi0-0-0-11.nr11.b024860-0.bos01.atlas.cogentco.com	0
38.140.156.50	—	0
38.140.156.51	—	0
38.140.156.52	—	0
38.140.156.53	—	0
38.140.156.54	—	0
38.140.156.55	—	0
38.140.156.56	—	0
38.140.156.57	te0-0-0-9.nr01.b003588-0.bos01.atlas.cogentco.com	0
38.140.156.58	—	0
38.140.156.59	—	0
38.140.156.60	—	0
38.140.156.61	—	0
38.140.156.62	—	0
38.140.156.63	—	0
38.140.156.64	—	0
38.140.156.65	gi0-0-0-18.203.nr11.b000229-0.bos01.atlas.cogentco.com	0
38.140.156.66	—	0
38.140.156.67	—	0
38.140.156.68	—	0
38.140.156.69	—	0
38.140.156.70	—	0
38.140.156.71	—	0
38.140.156.72	—	0
38.140.156.73	te0-4-1-1.1623.agr21.bos01.atlas.cogentco.com	0
38.140.156.74	—	0
38.140.156.75	—	0
38.140.156.76	—	0
38.140.156.77	—	0
38.140.156.78	—	0
38.140.156.79	—	0
38.140.156.80	—	0
38.140.156.81	gi0-0-0-5.nr11.b029318-0.bos01.atlas.cogentco.com	0
38.140.156.82	—	0
38.140.156.83	oais.cloud	0
38.140.156.84	—	0
38.140.156.85	—	0
38.140.156.86	—	0
38.140.156.87	—	0
38.140.156.88	—	0
38.140.156.89	te0-3-1-19.27.nr51.b022596-1.bos01.atlas.cogentco.com	0
38.140.156.90	—	0
38.140.156.91	—	0
38.140.156.92	—	0
38.140.156.93	—	0
38.140.156.94	—	0
38.140.156.95	—	0
38.140.156.96	—	0
38.140.156.97	gi0-0-0-5.nr01.b002250-1.bos01.atlas.cogentco.com	0
38.140.156.98	—	0
38.140.156.99	—	0
38.140.156.100	—	0
38.140.156.101	—	0
38.140.156.102	—	0
38.140.156.103	—	0
38.140.156.104	—	0
38.140.156.105	gi0-0-0-41.206.nr01.b000225-0.bos01.atlas.cogentco.com	0
38.140.156.106	—	0
38.140.156.107	—	0
38.140.156.108	—	0
38.140.156.109	—	0
38.140.156.110	—	0
38.140.156.111	—	0
38.140.156.112	—	0
38.140.156.113	gi0-0-0-12.nr11.b000198-0.bos01.atlas.cogentco.com	0
38.140.156.114	—	0
38.140.156.115	—	0
38.140.156.116	—	0
38.140.156.117	—	0
38.140.156.118	—	0
38.140.156.119	—	0
38.140.156.120	—	0
38.140.156.121	te0-0-0-44.201.nr61.b002249-1.bos01.atlas.cogentco.com	0
38.140.156.122	—	0
38.140.156.123	—	0
38.140.156.124	—	0
38.140.156.125	—	0
38.140.156.126	—	0
38.140.156.127	—	0
38.140.156.128	—	0
38.140.156.129	gi0-0-0-6.nr11.b000213-0.bos01.atlas.cogentco.com	0
38.140.156.130	—	0
38.140.156.131	—	0
38.140.156.132	—	0
38.140.156.133	—	0
38.140.156.134	—	0
38.140.156.135	—	0
38.140.156.136	—	0
38.140.156.137	gi0-0-0-9.nr11.b003642-0.bos01.atlas.cogentco.com	0
38.140.156.138	—	0
38.140.156.139	—	0
38.140.156.140	—	0
38.140.156.141	—	0
38.140.156.142	—	0
38.140.156.143	—	0
38.140.156.144	—	0
38.140.156.145	gi0-0-0-2.nr11.b000227-0.bos01.atlas.cogentco.com	0
38.140.156.146	—	0
38.140.156.147	—	0
38.140.156.148	—	0
38.140.156.149	—	0
38.140.156.150	—	0
38.140.156.151	—	0
38.140.156.152	—	0
38.140.156.153	gi100-0-0-1.agr22.bos01.atlas.cogentco.com	0
38.140.156.154	—	0
38.140.156.155	—	0
38.140.156.156	—	0
38.140.156.157	—	0
38.140.156.158	—	0
38.140.156.159	—	0
38.140.156.160	—	0
38.140.156.161	gi0-0-0-19.207.nr11.b000228-0.bos01.atlas.cogentco.com	0
38.140.156.162	—	0
38.140.156.163	—	0
38.140.156.164	—	0
38.140.156.165	—	0
38.140.156.166	—	0
38.140.156.167	—	0
38.140.156.168	—	0
38.140.156.169	gi0-0-0-1.nr01.b002146-0.bos01.atlas.cogentco.com	0
38.140.156.170	—	0
38.140.156.171	—	0
38.140.156.172	—	0
38.140.156.173	—	0
38.140.156.174	—	0
38.140.156.175	—	0
38.140.156.176	—	0
38.140.156.177	gi0-0-0-18.201.nr11.b000230-0.bos01.atlas.cogentco.com	0
38.140.156.178	—	0
38.140.156.179	—	0
38.140.156.180	—	0
38.140.156.181	—	0
38.140.156.182	—	0
38.140.156.183	—	0
38.140.156.184	—	0
38.140.156.185	te0-0-0-40.1470.nr61.b002249-1.bos01.atlas.cogentco.com	0
38.140.156.186	—	0
38.140.156.187	—	0
38.140.156.188	—	0
38.140.156.189	—	0
38.140.156.190	—	0
38.140.156.191	—	0
38.140.156.192	—	0
38.140.156.193	te0-4-1-10.agr21.bos01.atlas.cogentco.com	0
38.140.156.194	—	0
38.140.156.195	—	0
38.140.156.196	—	0
38.140.156.197	—	0
38.140.156.198	—	0
38.140.156.199	—	0
38.140.156.200	—	0
38.140.156.201	gi0-0-0-5.nr11.b000504-0.bos01.atlas.cogentco.com	0
38.140.156.202	—	0
38.140.156.203	—	0
38.140.156.204	—	0
38.140.156.205	—	0
38.140.156.206	—	0
38.140.156.207	—	0
38.140.156.208	—	0
38.140.156.209	gi0-0-0-10.nr11.b000229-0.bos01.atlas.cogentco.com	0
38.140.156.210	—	0
38.140.156.211	—	0
38.140.156.212	—	0
38.140.156.213	—	0
38.140.156.214	—	0
38.140.156.215	—	0
38.140.156.216	—	0
38.140.156.217	gi0-0-0-1.nr11.b003643-0.bos01.atlas.cogentco.com	0
38.140.156.218	—	0
38.140.156.219	—	0
38.140.156.220	—	0
38.140.156.221	—	0
38.140.156.222	—	0
38.140.156.223	—	0
38.140.156.224	—	0
38.140.156.225	gi0-0-1-12.nr11.b000201-0.bos01.atlas.cogentco.com	0
38.140.156.226	—	0
38.140.156.227	—	0
38.140.156.228	—	0
38.140.156.229	—	0
38.140.156.230	—	0
38.140.156.231	—	0
38.140.156.232	—	0
38.140.156.233	hu0-0-0-3.nr71.b024860-0.bos01.atlas.cogentco.com	0
38.140.156.234	—	0
38.140.156.235	—	0
38.140.156.236	—	0
38.140.156.237	—	0
38.140.156.238	—	0
38.140.156.239	—	0
38.140.156.240	—	0
38.140.156.241	gi100-0-0-5.agr22.bos01.atlas.cogentco.com	0
38.140.156.242	—	0
38.140.156.243	—	0
38.140.156.244	—	0
38.140.156.245	—	0
38.140.156.246	—	0
38.140.156.247	—	0
38.140.156.248	—	0
38.140.156.249	te0-0-2-0.nr11.b066378-1.bos01.atlas.cogentco.com	0
38.140.156.250	evoque-bos1-cr1-cog.evoquedcs.com	0
38.140.156.251	—	0
38.140.156.252	—	0
38.140.156.253	—	0
38.140.156.254	—	0
38.140.156.255	—	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 38.140.156.73

traceroute to 38.140.156.73 (38.140.156.73): 64 hops max, 52 byte packets

3 [] 84.17.33.246 5.949 ms

4 *

5 [AS174] 154.54.167.29 77.894 ms

6 [AS174] 38.140.156.73 73.182 ms

Measurement taken from

IPinfo ProbeNet in Grantham, GB

On December 28th 2025