Summary

ASN	AS174 Cogent Communications, LLC
BGP	38.0.0.0/8
IPs with RDNS	122
Hosted Domains	0
Pingable IPs	0
Router IPs	0


38.20.42.0	—	0
38.20.42.1	vl3837.mag01.den01.atlas.cogentco.com	0
38.20.42.2	vl3837.na01.b000570-0.den01.atlas.cogentco.com	0
38.20.42.3	—	0
38.20.42.4	—	0
38.20.42.5	vl3826.mag02.dca01.atlas.cogentco.com	0
38.20.42.6	vl3826.na01.b003335-0.dca01.atlas.cogentco.com	0
38.20.42.7	—	0
38.20.42.8	—	0
38.20.42.9	vl3522.mag01.ymq02.atlas.cogentco.com	0
38.20.42.10	vl3522.na31.b020174-0.ymq02.atlas.cogentco.com	0
38.20.42.11	—	0
38.20.42.12	—	0
38.20.42.13	vl3822.mag02.ymq02.atlas.cogentco.com	0
38.20.42.14	vl3822.na31.b020174-0.ymq02.atlas.cogentco.com	0
38.20.42.15	—	0
38.20.42.16	—	0
38.20.42.17	vl3576.mag02.sfo01.atlas.cogentco.com	0
38.20.42.18	vl3576.na31.b001920-0.sfo01.atlas.cogentco.com	0
38.20.42.19	—	0
38.20.42.20	—	0
38.20.42.21	vl3876.mag03.sfo01.atlas.cogentco.com	0
38.20.42.22	vl3876.na31.b001920-0.sfo01.atlas.cogentco.com	0
38.20.42.23	—	0
38.20.42.24	—	0
38.20.42.25	vl3644.mag01.jfk01.atlas.cogentco.com	0
38.20.42.26	vl3644.na31.b019182-0.jfk01.atlas.cogentco.com	0
38.20.42.27	—	0
38.20.42.28	—	0
38.20.42.29	vl3944.mag02.jfk01.atlas.cogentco.com	0
38.20.42.30	vl3944.na31.b019182-0.jfk01.atlas.cogentco.com	0
38.20.42.31	—	0
38.20.42.32	—	0
38.20.42.33	—	0
38.20.42.34	—	0
38.20.42.35	—	0
38.20.42.36	—	0
38.20.42.37	—	0
38.20.42.38	—	0
38.20.42.39	—	0
38.20.42.40	—	0
38.20.42.41	—	0
38.20.42.42	—	0
38.20.42.43	—	0
38.20.42.44	—	0
38.20.42.45	te4-7.3517.ccr01.lax13.atlas.cogentco.com	0
38.20.42.46	vl3517.na31.b001242-0.lax13.atlas.cogentco.com	0
38.20.42.47	—	0
38.20.42.48	—	0
38.20.42.49	te4-8.3817.ccr01.lax13.atlas.cogentco.com	0
38.20.42.50	vl3817.na31.b001242-0.lax13.atlas.cogentco.com	0
38.20.42.51	—	0
38.20.42.52	—	0
38.20.42.53	vl3815.mag02.sea01.atlas.cogentco.com	0
38.20.42.54	vl3815.na01.b001687-0.sea01.atlas.cogentco.com	0
38.20.42.55	—	0
38.20.42.56	—	0
38.20.42.57	vl3807.mag02.sea01.atlas.cogentco.com	0
38.20.42.58	vl3807.na31.b001687-0.sea01.atlas.cogentco.com	0
38.20.42.59	—	0
38.20.42.60	—	0
38.20.42.61	vl3607.mag01.jfk01.atlas.cogentco.com	0
38.20.42.62	vl3607.na31.b017536-1.jfk01.atlas.cogentco.com	0
38.20.42.63	—	0
38.20.42.64	—	0
38.20.42.65	vl3907.mag02.jfk01.atlas.cogentco.com	0
38.20.42.66	vl3907.na31.b017536-1.jfk01.atlas.cogentco.com	0
38.20.42.67	—	0
38.20.42.68	—	0
38.20.42.69	vl3605.mag01.jfk01.atlas.cogentco.com	0
38.20.42.70	vl3605.na31.b001948-0.jfk01.atlas.cogentco.com	0
38.20.42.71	—	0
38.20.42.72	—	0
38.20.42.73	vl3905.mag02.jfk01.atlas.cogentco.com	0
38.20.42.74	vl3905.na31.b001948-0.jfk01.atlas.cogentco.com	0
38.20.42.75	—	0
38.20.42.76	—	0
38.20.42.77	te4-7.3518.ccr01.lax13.atlas.cogentco.com	0
38.20.42.78	vl3518.na31.b001214-0.lax13.atlas.cogentco.com	0
38.20.42.79	—	0
38.20.42.80	—	0
38.20.42.81	te4-8.3818.ccr01.lax13.atlas.cogentco.com	0
38.20.42.82	vl3818.na31.b001214-0.lax13.atlas.cogentco.com	0
38.20.42.83	—	0
38.20.42.84	—	0
38.20.42.85	vl3801.mag02.bos01.atlas.cogentco.com	0
38.20.42.86	vl3801.na01.b002148-0.bos01.atlas.cogentco.com	0
38.20.42.87	—	0
38.20.42.88	—	0
38.20.42.89	vl3818.mag02.bos01.atlas.cogentco.com	0
38.20.42.90	vl3818.na01.b003604-0.bos01.atlas.cogentco.com	0
38.20.42.91	—	0
38.20.42.92	—	0
38.20.42.93	vl3822.mag01.bos01.atlas.cogentco.com	0
38.20.42.94	vl3822.na01.b000251-0.bos01.atlas.cogentco.com	0
38.20.42.95	—	0
38.20.42.96	—	0
38.20.42.97	vl3826.mag02.bos01.atlas.cogentco.com	0
38.20.42.98	vl3826.na01.b000256-0.bos01.atlas.cogentco.com	0
38.20.42.99	—	0
38.20.42.100	—	0
38.20.42.101	vl3840.mag01.bos01.atlas.cogentco.com	0
38.20.42.102	vl3840.na01.b007189-0.bos01.atlas.cogentco.com	0
38.20.42.103	—	0
38.20.42.104	—	0
38.20.42.105	vl3846.mag02.bos01.atlas.cogentco.com	0
38.20.42.106	vl3846.na01.b000226-0.bos01.atlas.cogentco.com	0
38.20.42.107	—	0
38.20.42.108	—	0
38.20.42.109	vl3850.mag02.bos01.atlas.cogentco.com	0
38.20.42.110	vl3850.na01.b000241-0.bos01.atlas.cogentco.com	0
38.20.42.111	—	0
38.20.42.112	—	0
38.20.42.113	vl3854.mag01.bos01.atlas.cogentco.com	0
38.20.42.114	vl3854.na11.b000257-0.bos01.atlas.cogentco.com	0
38.20.42.115	—	0
38.20.42.116	—	0
38.20.42.117	vl3997.mag02.ord01.atlas.cogentco.com	0
38.20.42.118	vl3997.na11.b003871-0.ord01.atlas.cogentco.com	0
38.20.42.119	—	0
38.20.42.120	—	0
38.20.42.121	vl3869.mag02.bos01.atlas.cogentco.com	0
38.20.42.122	vl3869.na02.b000241-0.bos01.atlas.cogentco.com	0
38.20.42.123	—	0
38.20.42.124	—	0
38.20.42.125	vl3811.mag01.den01.atlas.cogentco.com	0
38.20.42.126	vl3811.na01.b000532-0.den01.atlas.cogentco.com	0
38.20.42.127	—	0
38.20.42.128	—	0
38.20.42.129	vl3807.mag02.mci01.atlas.cogentco.com	0
38.20.42.130	vl3807.na31.b006290-1.mci01.atlas.cogentco.com	0
38.20.42.131	—	0
38.20.42.132	—	0
38.20.42.133	vl3829.mag02.den01.atlas.cogentco.com	0
38.20.42.134	vl3829.na01.b000576-0.den01.atlas.cogentco.com	0
38.20.42.135	—	0
38.20.42.136	—	0
38.20.42.137	vl3892.mag02.jfk01.atlas.cogentco.com	0
38.20.42.138	vl3892.na01.b001654-0.jfk01.atlas.cogentco.com	0
38.20.42.139	—	0
38.20.42.140	—	0
38.20.42.141	vl3859.mag01.jfk01.atlas.cogentco.com	0
38.20.42.142	vl3859.na01.b001573-0.jfk01.atlas.cogentco.com	0
38.20.42.143	—	0
38.20.42.144	—	0
38.20.42.145	vl3813.mag02.iah02.atlas.cogentco.com	0
38.20.42.146	vl3813.na01.b001053-0.iah02.atlas.cogentco.com	0
38.20.42.147	—	0
38.20.42.148	—	0
38.20.42.149	vl3508.mag01.mia01.atlas.cogentco.com	0
38.20.42.150	vl3508.na31.b002802-4.mia01.atlas.cogentco.com	0
38.20.42.151	—	0
38.20.42.152	—	0
38.20.42.153	vl3808.mag02.mia01.atlas.cogentco.com	0
38.20.42.154	vl3808.na31.b002802-4.mia01.atlas.cogentco.com	0
38.20.42.155	—	0
38.20.42.156	—	0
38.20.42.157	te4-1.3519.ccr01.lax08.atlas.cogentco.com	0
38.20.42.158	vl3519.na31.b019497-0.lax08.atlas.cogentco.com	0
38.20.42.159	—	0
38.20.42.160	—	0
38.20.42.161	te4-4.3819.ccr01.lax08.atlas.cogentco.com	0
38.20.42.162	vl3819.na31.b019497-0.lax08.atlas.cogentco.com	0
38.20.42.163	—	0
38.20.42.164	—	0
38.20.42.165	vl3617.na21.b002316-0.ord01.atlas.cogentco.com	0
38.20.42.166	vl3617.mag01.ord01.atlas.cogentco.com	0
38.20.42.167	—	0
38.20.42.168	—	0
38.20.42.169	vl3917.mag02.ord01.atlas.cogentco.com	0
38.20.42.170	vl3917.na21.b002316-0.ord01.atlas.cogentco.com	0
38.20.42.171	—	0
38.20.42.172	—	0
38.20.42.173	vl3575.mag01.bos01.atlas.cogentco.com	0
38.20.42.174	vl3575.na02.b000213-0.bos01.atlas.cogentco.com	0
38.20.42.175	—	0
38.20.42.176	—	0
38.20.42.177	vl3875.mag02.bos01.atlas.cogentco.com	0
38.20.42.178	vl3875.na02.b000213-0.bos01.atlas.cogentco.com	0
38.20.42.179	—	0
38.20.42.180	—	0
38.20.42.181	vl3505.mag01.jfk05.atlas.cogentco.com	0
38.20.42.182	vl3505.na31.b001105-3.jfk05.atlas.cogentco.com	0
38.20.42.183	—	0
38.20.42.184	—	0
38.20.42.185	vl3805.mag01.jfk05.atlas.cogentco.com	0
38.20.42.186	vl3805.na31.b001105-3.jfk05.atlas.cogentco.com	0
38.20.42.187	—	0
38.20.42.188	—	0
38.20.42.189	te4-4.3802.ccr01.jfk08.atlas.cogentco.com	0
38.20.42.190	vl3802.na01.b002946-1.jfk08.atlas.cogentco.com	0
38.20.42.191	—	0
38.20.42.192	—	0
38.20.42.193	vl3833.mag01.sea01.atlas.cogentco.com	0
38.20.42.194	vl3833.na11.b001692-0.sea01.atlas.cogentco.com	0
38.20.42.195	—	0
38.20.42.196	—	0
38.20.42.197	vl3588.mag01.bos01.atlas.cogentco.com	0
38.20.42.198	vl3588.na41.b002250-1.bos01.atlas.cogentco.com	0
38.20.42.199	—	0
38.20.42.200	—	0
38.20.42.201	vl3888.mag02.bos01.atlas.cogentco.com	0
38.20.42.202	vl3888.na41.b002250-1.bos01.atlas.cogentco.com	0
38.20.42.203	—	0
38.20.42.204	—	0
38.20.42.205	te3-1.3803.ccr01.ind01.atlas.cogentco.com	0
38.20.42.206	vl3803.na11.b014655-0.ind01.atlas.cogentco.com	0
38.20.42.207	—	0
38.20.42.208	—	0
38.20.42.209	te2-1.3507.ccr01.ind01.atlas.cogentco.com	0
38.20.42.210	vl3507.na11.b017866-0.ind01.atlas.cogentco.com	0
38.20.42.211	—	0
38.20.42.212	—	0
38.20.42.213	vl3503.mag01.cmh02.atlas.cogentco.com	0
38.20.42.214	vl3503.na31.b021415-1.cmh02.atlas.cogentco.com	0
38.20.42.215	—	0
38.20.42.216	—	0
38.20.42.217	vl3631.mag01.jfk01.atlas.cogentco.com	0
38.20.42.218	vl3631.na31.b000914-0.jfk01.atlas.cogentco.com	0
38.20.42.219	—	0
38.20.42.220	—	0
38.20.42.221	vl3931.mag02.jfk01.atlas.cogentco.com	0
38.20.42.222	vl3931.na31.b000914-0.jfk01.atlas.cogentco.com	0
38.20.42.223	—	0
38.20.42.224	—	0
38.20.42.225	vl3523.mag01.ymq02.atlas.cogentco.com	0
38.20.42.226	vl3523.na11.b021082-0.ymq02.atlas.cogentco.com	0
38.20.42.227	—	0
38.20.42.228	—	0
38.20.42.229	vl3823.mag02.ymq02.atlas.cogentco.com	0
38.20.42.230	vl3823.na11.b021082-0.ymq02.atlas.cogentco.com	0
38.20.42.231	—	0
38.20.42.232	—	0
38.20.42.233	vl3507.mag01.ord01.atlas.cogentco.com	0
38.20.42.234	vl3507.na02.b000482-0.ord01.atlas.cogentco.com	0
38.20.42.235	—	0
38.20.42.236	—	0
38.20.42.237	vl3807.mag02.ord01.atlas.cogentco.com	0
38.20.42.238	vl3807.na02.b000482-0.ord01.atlas.cogentco.com	0
38.20.42.239	—	0
38.20.42.240	—	0
38.20.42.241	vl3503.mag01.phl01.atlas.cogentco.com	0
38.20.42.242	vl3503.na21.b001490-0.phl01.atlas.cogentco.com	0
38.20.42.243	—	0
38.20.42.244	—	0
38.20.42.245	vl3803.mag02.phl01.atlas.cogentco.com	0
38.20.42.246	vl3803.na21.b001490-0.phl01.atlas.cogentco.com	0
38.20.42.247	—	0
38.20.42.248	—	0
38.20.42.249	gi1-43.3607.ccr01.lax04.atlas.cogentco.com	0
38.20.42.250	vl3607.na31.b002695-3.lax04.atlas.cogentco.com	0
38.20.42.251	—	0
38.20.42.252	—	0
38.20.42.253	gi2-43.3907.ccr01.lax04.atlas.cogentco.com	0
38.20.42.254	vl3907.na31.b002695-3.lax04.atlas.cogentco.com	0
38.20.42.255	—	0

Traceroute

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

$ traceroute -a -n -q1 -f2 -m6 38.20.42.2

traceroute to 38.20.42.2 (38.20.42.2): 6 hops max, 52 byte packets

2 [] 156.146.32.186 0.124 ms

3 [AS174] 154.18.98.201 0.609 ms

4 *

5 *

6 *

Measurement taken from

IPinfo ProbeNet in Sydney, AU

On March 13, 2026