Summary

ASN	AS174 Cogent Communications, LLC
BGP	38.0.0.0/8
IPs with RDNS	34
Hosted Domains	0
Pingable IPs	42
Router IPs	3


38.140.109.0	—	0
38.140.109.1	gi0-0-0-3.nr01.b001859-0.sfo01.atlas.cogentco.com	0
38.140.109.2	—	0
38.140.109.3	—	0
38.140.109.4	mail2.ccplaw.com	0
38.140.109.5	—	0
38.140.109.6	—	0
38.140.109.7	—	0
38.140.109.8	—	0
38.140.109.9	gi0-0-0-3.nr11.b001896-0.sfo01.atlas.cogentco.com	0
38.140.109.10	—	0
38.140.109.11	—	0
38.140.109.12	—	0
38.140.109.13	—	0
38.140.109.14	—	0
38.140.109.15	—	0
38.140.109.16	—	0
38.140.109.17	—	0
38.140.109.18	—	0
38.140.109.19	—	0
38.140.109.20	—	0
38.140.109.21	—	0
38.140.109.22	—	0
38.140.109.23	—	0
38.140.109.24	—	0
38.140.109.25	gi0-0-0-1.nr01.b001882-0.sfo01.atlas.cogentco.com	0
38.140.109.26	—	0
38.140.109.27	—	0
38.140.109.28	—	0
38.140.109.29	—	0
38.140.109.30	—	0
38.140.109.31	—	0
38.140.109.32	—	0
38.140.109.33	gi100-0-0-5.nr61.b005510-0.sfo01.atlas.cogentco.com	0
38.140.109.34	—	0
38.140.109.35	—	0
38.140.109.36	—	0
38.140.109.37	—	0
38.140.109.38	—	0
38.140.109.39	—	0
38.140.109.40	—	0
38.140.109.41	te0-3-1-12.1556.ccr21.sfo01.atlas.cogentco.com	0
38.140.109.42	—	0
38.140.109.43	—	0
38.140.109.44	—	0
38.140.109.45	—	0
38.140.109.46	—	0
38.140.109.47	—	0
38.140.109.48	—	0
38.140.109.49	te0-0-2-3.2381.nr11.b003122-0.sfo01.atlas.cogentco.com	0
38.140.109.50	—	0
38.140.109.51	—	0
38.140.109.52	gi0-0-1-7.nr11.b001922-0.sfo01.atlas.cogentco.com	0
38.140.109.53	—	0
38.140.109.54	te0-3-1-11.1034.ccr21.sfo01.atlas.cogentco.com	0
38.140.109.55	—	0
38.140.109.56	—	0
38.140.109.57	gi0-0-0-4.nr11.b001903-0.sfo01.atlas.cogentco.com	0
38.140.109.58	—	0
38.140.109.59	—	0
38.140.109.60	—	0
38.140.109.61	—	0
38.140.109.62	—	0
38.140.109.63	—	0
38.140.109.64	—	0
38.140.109.65	te0-3-0-16.1607.ccr22.sfo01.atlas.cogentco.com	0
38.140.109.66	—	0
38.140.109.67	—	0
38.140.109.68	—	0
38.140.109.69	—	0
38.140.109.70	—	0
38.140.109.71	—	0
38.140.109.72	—	0
38.140.109.73	gi0-0-0-7.201.nr01.b001882-0.sfo01.atlas.cogentco.com	0
38.140.109.74	—	0
38.140.109.75	—	0
38.140.109.76	—	0
38.140.109.77	—	0
38.140.109.78	—	0
38.140.109.79	—	0
38.140.109.80	—	0
38.140.109.81	gi0-0-0-3.nr01.b001869-0.sfo01.atlas.cogentco.com	0
38.140.109.82	—	0
38.140.109.83	—	0
38.140.109.84	—	0
38.140.109.85	—	0
38.140.109.86	—	0
38.140.109.87	—	0
38.140.109.88	—	0
38.140.109.89	gi0-0-0-17.211.nr11.b001887-0.sfo01.atlas.cogentco.com	0
38.140.109.90	—	0
38.140.109.91	—	0
38.140.109.92	—	0
38.140.109.93	—	0
38.140.109.94	—	0
38.140.109.95	—	0
38.140.109.96	—	0
38.140.109.97	gi0-0-0-3.nr01.b001926-0.sfo01.atlas.cogentco.com	0
38.140.109.98	—	0
38.140.109.99	—	0
38.140.109.100	—	0
38.140.109.101	—	0
38.140.109.102	—	0
38.140.109.103	—	0
38.140.109.104	—	0
38.140.109.105	te0-3-0-7.1449.ccr22.sfo01.atlas.cogentco.com	0
38.140.109.106	—	0
38.140.109.107	—	0
38.140.109.108	—	0
38.140.109.109	—	0
38.140.109.110	—	0
38.140.109.111	—	0
38.140.109.112	—	0
38.140.109.113	gi0-0-0-17.214.nr11.b001876-0.sfo01.atlas.cogentco.com	0
38.140.109.114	—	0
38.140.109.115	—	0
38.140.109.116	—	0
38.140.109.117	—	0
38.140.109.118	—	0
38.140.109.119	—	0
38.140.109.120	—	0
38.140.109.121	te0-3-0-16.2506.ccr22.sfo01.atlas.cogentco.com	0
38.140.109.122	—	0
38.140.109.123	—	0
38.140.109.124	—	0
38.140.109.125	—	0
38.140.109.126	—	0
38.140.109.127	—	0
38.140.109.128	—	0
38.140.109.129	te0-5-1-18.1456.agr22.sfo01.atlas.cogentco.com	0
38.140.109.130	—	0
38.140.109.131	—	0
38.140.109.132	—	0
38.140.109.133	—	0
38.140.109.134	—	0
38.140.109.135	—	0
38.140.109.136	—	0
38.140.109.137	gi0-0-0-15.nr11.b005488-0.sfo01.atlas.cogentco.com	0
38.140.109.138	—	0
38.140.109.139	—	0
38.140.109.140	—	0
38.140.109.141	—	0
38.140.109.142	—	0
38.140.109.143	—	0
38.140.109.144	—	0
38.140.109.145	gi100-0-0-17.rcr61.b007352-0.sfo01.atlas.cogentco.com	0
38.140.109.146	—	0
38.140.109.147	—	0
38.140.109.148	—	0
38.140.109.149	—	0
38.140.109.150	—	0
38.140.109.151	—	0
38.140.109.152	—	0
38.140.109.153	te0-3-0-7.2505.ccr21.sfo01.atlas.cogentco.com	0
38.140.109.154	—	0
38.140.109.155	—	0
38.140.109.156	—	0
38.140.109.157	—	0
38.140.109.158	—	0
38.140.109.159	—	0
38.140.109.160	—	0
38.140.109.161	te0-3-1-12.1564.ccr21.sfo01.atlas.cogentco.com	0
38.140.109.162	—	0
38.140.109.163	—	0
38.140.109.164	—	0
38.140.109.165	—	0
38.140.109.166	—	0
38.140.109.167	—	0
38.140.109.168	—	0
38.140.109.169	te0-3-1-7.2540.ccr22.sfo01.atlas.cogentco.com	0
38.140.109.170	—	0
38.140.109.171	—	0
38.140.109.172	—	0
38.140.109.173	—	0
38.140.109.174	—	0
38.140.109.175	—	0
38.140.109.176	—	0
38.140.109.177	te0-3-1-16.2430.ccr22.sfo01.atlas.cogentco.com	0
38.140.109.178	—	0
38.140.109.179	—	0
38.140.109.180	—	0
38.140.109.181	—	0
38.140.109.182	—	0
38.140.109.183	—	0
38.140.109.184	—	0
38.140.109.185	gi0-0-0-7.nr11.b001875-0.sfo01.atlas.cogentco.com	0
38.140.109.186	—	0
38.140.109.187	—	0
38.140.109.188	—	0
38.140.109.189	—	0
38.140.109.190	—	0
38.140.109.191	—	0
38.140.109.192	—	0
38.140.109.193	te0-3-1-12.1561.ccr21.sfo01.atlas.cogentco.com	0
38.140.109.194	—	0
38.140.109.195	—	0
38.140.109.196	—	0
38.140.109.197	—	0
38.140.109.198	—	0
38.140.109.199	—	0
38.140.109.200	—	0
38.140.109.201	gi0-0-0-3.nr01.b001860-0.sfo01.atlas.cogentco.com	0
38.140.109.202	—	0
38.140.109.203	—	0
38.140.109.204	—	0
38.140.109.205	—	0
38.140.109.206	—	0
38.140.109.207	—	0
38.140.109.208	—	0
38.140.109.209	gi0-0-0-6.nr11.b005488-0.sfo01.atlas.cogentco.com	0
38.140.109.210	—	0
38.140.109.211	—	0
38.140.109.212	—	0
38.140.109.213	—	0
38.140.109.214	—	0
38.140.109.215	—	0
38.140.109.216	—	0
38.140.109.217	gi0-0-0-19.204.nr11.b001914-0.sfo01.atlas.cogentco.com	0
38.140.109.218	—	0
38.140.109.219	—	0
38.140.109.220	—	0
38.140.109.221	—	0
38.140.109.222	—	0
38.140.109.223	—	0
38.140.109.224	—	0
38.140.109.225	gi0-0-0-16.208.nr11.b001665-0.sfo01.atlas.cogentco.com	0
38.140.109.226	—	0
38.140.109.227	—	0
38.140.109.228	—	0
38.140.109.229	—	0
38.140.109.230	—	0
38.140.109.231	—	0
38.140.109.232	—	0
38.140.109.233	gi0-0-0-4.nr11.b001895-0.sfo01.atlas.cogentco.com	0
38.140.109.234	—	0
38.140.109.235	—	0
38.140.109.236	—	0
38.140.109.237	—	0
38.140.109.238	—	0
38.140.109.239	—	0
38.140.109.240	—	0
38.140.109.241	gi0-0-0-3.nr01.b065558-0.sfo01.atlas.cogentco.com	0
38.140.109.242	—	0
38.140.109.243	—	0
38.140.109.244	—	0
38.140.109.245	—	0
38.140.109.246	—	0
38.140.109.247	—	0
38.140.109.248	—	0
38.140.109.249	te0-3-0-12.2526.ccr21.sfo01.atlas.cogentco.com	0
38.140.109.250	—	0
38.140.109.251	—	0
38.140.109.252	—	0
38.140.109.253	—	0
38.140.109.254	—	0
38.140.109.255	—	0

Traceroute

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

traceroute -a -n -q1 -f4 38.140.109.54

traceroute to 38.140.109.54 (38.140.109.54): 64 hops max, 52 byte packets

4 [AS174] 154.54.165.13 2.546 ms

5 [AS174] 38.140.109.54 2.165 ms

Measurement taken from

IPinfo ProbeNet in Santa Clara, US

On December 14th 2025