Summary

ASN	AS174 Cogent Communications, LLC
BGP	149.6.0.0/15
IPs with RDNS	66
Hosted Domains	0
Pingable IPs	60
Router IPs	27


149.6.138.0	—	0
149.6.138.1	te0-0-0-2.nr61.b015770-1.dus01.atlas.cogentco.com	0
149.6.138.2	bkvg.demarc.cogentco.com	0
149.6.138.3	xe-0-0-0-vlan-779.rtr2-dtc1.as24875.net	0
149.6.138.4	—	0
149.6.138.5	—	0
149.6.138.6	—	0
149.6.138.7	—	0
149.6.138.8	—	0
149.6.138.9	te0-0-0-17.nr61.b015681-1.dus01.atlas.cogentco.com	0
149.6.138.10	recast.demarc.cogentco.com	0
149.6.138.11	—	0
149.6.138.12	—	0
149.6.138.13	—	0
149.6.138.14	—	0
149.6.138.15	—	0
149.6.138.16	—	0
149.6.138.17	gi0-0-0-5.rcr11.cgn01.atlas.cogentco.com	0
149.6.138.18	—	0
149.6.138.19	—	0
149.6.138.20	—	0
149.6.138.21	—	0
149.6.138.22	—	0
149.6.138.23	—	0
149.6.138.24	—	0
149.6.138.25	te0-3-0-4.205.rcr21.dus01.atlas.cogentco.com	0
149.6.138.26	—	0
149.6.138.27	—	0
149.6.138.28	—	0
149.6.138.29	—	0
149.6.138.30	—	0
149.6.138.31	—	0
149.6.138.32	—	0
149.6.138.33	gi100-0-0-0.rcr21.dus01.atlas.cogentco.com	0
149.6.138.34	ge-3-7.edge1.colo2.dus.iacd.net	0
149.6.138.35	—	0
149.6.138.36	be7747.rcr21.dus01.atlas.cogentco.com	0
149.6.138.37	gi0-0-0-6.202.rcr11.cgn01.atlas.cogentco.com	0
149.6.138.38	be7748.rcr21.dus01.atlas.cogentco.com	0
149.6.138.39	—	0
149.6.138.40	te0-3-0-4.211.rcr21.dus01.atlas.cogentco.com	0
149.6.138.41	gi0-0-0-0.rcr11.dtm02.atlas.cogentco.com	0
149.6.138.42	te0-3-0-16.206.rcr21.dus01.atlas.cogentco.com	0
149.6.138.43	—	0
149.6.138.44	—	0
149.6.138.45	te0-0-0-0.nr61.b015681-1.dus01.atlas.cogentco.com	0
149.6.138.46	cogent.gw.dus.m2soft.com	0
149.6.138.47	—	0
149.6.138.48	be8518.rcr21.dus01.atlas.cogentco.com	0
149.6.138.49	gi100-0-0-12.rcr21.dus01.atlas.cogentco.com	0
149.6.138.50	be9695.rcr21.dus01.atlas.cogentco.com	0
149.6.138.51	—	0
149.6.138.52	gi0-0-0-0.nr11.b015681-1.dus01.atlas.cogentco.com	0
149.6.138.53	be4307.rcr21.dus01.atlas.cogentco.com	0
149.6.138.54	te0-0-0-5.nr61.b015770-1.dus01.atlas.cogentco.com	0
149.6.138.55	—	0
149.6.138.56	—	0
149.6.138.57	hu0-2-0-5.agr41.fra03.atlas.cogentco.com	0
149.6.138.58	—	0
149.6.138.59	—	0
149.6.138.60	—	0
149.6.138.61	gi0-0-0-2.nr11.b015681-1.dus01.atlas.cogentco.com	0
149.6.138.62	—	0
149.6.138.63	—	0
149.6.138.64	—	0
149.6.138.65	te0-3-0-9.rcr21.dus01.atlas.cogentco.com	0
149.6.138.66	—	0
149.6.138.67	—	0
149.6.138.68	—	0
149.6.138.69	—	0
149.6.138.70	—	0
149.6.138.71	—	0
149.6.138.72	—	0
149.6.138.73	te0-0-0-42.nr61.b015770-1.dus01.atlas.cogentco.com	0
149.6.138.74	—	0
149.6.138.75	—	0
149.6.138.76	—	0
149.6.138.77	—	0
149.6.138.78	—	0
149.6.138.79	—	0
149.6.138.80	—	0
149.6.138.81	gi0-0-0-6.244.rcr11.cgn01.atlas.cogentco.com	0
149.6.138.82	—	0
149.6.138.83	—	0
149.6.138.84	gi100-0-0-22.rcr21.dus01.atlas.cogentco.com	0
149.6.138.85	gi0-0-0-6.nr11.b015681-1.dus01.atlas.cogentco.com	0
149.6.138.86	te0-0-0-29.nr61.b015681-1.dus01.atlas.cogentco.com	0
149.6.138.87	—	0
149.6.138.88	—	0
149.6.138.89	gi0-0-0-18.203.nr11.b015681-1.dus01.atlas.cogentco.com	0
149.6.138.90	—	0
149.6.138.91	—	0
149.6.138.92	—	0
149.6.138.93	—	0
149.6.138.94	—	0
149.6.138.95	—	0
149.6.138.96	—	0
149.6.138.97	gi100-0-0-14.3422.rcr21.dus01.atlas.cogentco.com	0
149.6.138.98	—	0
149.6.138.99	—	0
149.6.138.100	—	0
149.6.138.101	—	0
149.6.138.102	—	0
149.6.138.103	—	0
149.6.138.104	—	0
149.6.138.105	te0-3-0-8.rcr21.dus01.atlas.cogentco.com	0
149.6.138.106	—	0
149.6.138.107	—	0
149.6.138.108	—	0
149.6.138.109	be4418.rcr21.dus01.atlas.cogentco.com	0
149.6.138.110	—	0
149.6.138.111	—	0
149.6.138.112	—	0
149.6.138.113	be4419.rcr21.dus01.atlas.cogentco.com	0
149.6.138.114	—	0
149.6.138.115	—	0
149.6.138.116	—	0
149.6.138.117	gi9-3.205.ccr01.dus01.atlas.cogentco.com	0
149.6.138.118	—	0
149.6.138.119	—	0
149.6.138.120	—	0
149.6.138.121	be4314.201.nr11.b015770-1.dus01.atlas.cogentco.com	0
149.6.138.122	—	0
149.6.138.123	—	0
149.6.138.124	—	0
149.6.138.125	gi0-0-0-7.nr11.b015681-1.dus01.atlas.cogentco.com	0
149.6.138.126	—	0
149.6.138.127	—	0
149.6.138.128	—	0
149.6.138.129	gi100-0-0-10.rcr21.dus01.atlas.cogentco.com	0
149.6.138.130	—	0
149.6.138.131	—	0
149.6.138.132	—	0
149.6.138.133	—	0
149.6.138.134	—	0
149.6.138.135	—	0
149.6.138.136	—	0
149.6.138.137	te0-3-0-4.202.rcr21.dus01.atlas.cogentco.com	0
149.6.138.138	—	0
149.6.138.139	—	0
149.6.138.140	—	0
149.6.138.141	—	0
149.6.138.142	—	0
149.6.138.143	—	0
149.6.138.144	—	0
149.6.138.145	gi0-0-0-16.nr11.b015681-1.dus01.atlas.cogentco.com	0
149.6.138.146	—	0
149.6.138.147	—	0
149.6.138.148	—	0
149.6.138.149	—	0
149.6.138.150	—	0
149.6.138.151	—	0
149.6.138.152	—	0
149.6.138.153	hu0-7-0-9.rcr21.dus01.atlas.cogentco.com	0
149.6.138.154	incas.demarc.cogentco.com	0
149.6.138.155	—	0
149.6.138.156	—	0
149.6.138.157	—	0
149.6.138.158	—	0
149.6.138.159	—	0
149.6.138.160	—	0
149.6.138.161	gi0-0-0-9.nr11.b015681-1.dus01.atlas.cogentco.com	0
149.6.138.162	cogent1.dus.de.tyntec.net	0
149.6.138.163	cogent2.dus.de.tyntec.net	0
149.6.138.164	—	0
149.6.138.165	—	0
149.6.138.166	—	0
149.6.138.167	—	0
149.6.138.168	—	0
149.6.138.169	te0-3-1-1.rcr21.dus01.atlas.cogentco.com	0
149.6.138.170	—	0
149.6.138.171	—	0
149.6.138.172	—	0
149.6.138.173	gi4-2.ccr01.dus03.atlas.cogentco.com	0
149.6.138.174	—	0
149.6.138.175	—	0
149.6.138.176	—	0
149.6.138.177	te0-3-0-4.206.rcr21.dus01.atlas.cogentco.com	0
149.6.138.178	—	0
149.6.138.179	—	0
149.6.138.180	—	0
149.6.138.181	—	0
149.6.138.182	—	0
149.6.138.183	—	0
149.6.138.184	—	0
149.6.138.185	be5003.rcr21.dus01.atlas.cogentco.com	0
149.6.138.186	—	0
149.6.138.187	—	0
149.6.138.188	—	0
149.6.138.189	te0-7-0-5.rcr21.dus01.atlas.cogentco.com	0
149.6.138.190	—	0
149.6.138.191	—	0
149.6.138.192	—	0
149.6.138.193	gi100-0-0-20.rcr21.dus01.atlas.cogentco.com	0
149.6.138.194	—	0
149.6.138.195	—	0
149.6.138.196	—	0
149.6.138.197	te2-1.250.ccr01.dus01.atlas.cogentco.com	0
149.6.138.198	—	0
149.6.138.199	—	0
149.6.138.200	—	0
149.6.138.201	be6443.rcr21.dus01.atlas.cogentco.com	0
149.6.138.202	—	0
149.6.138.203	—	0
149.6.138.204	—	0
149.6.138.205	—	0
149.6.138.206	—	0
149.6.138.207	—	0
149.6.138.208	—	0
149.6.138.209	te0-0-0-44.nr61.b015681-1.dus01.atlas.cogentco.com	0
149.6.138.210	—	0
149.6.138.211	—	0
149.6.138.212	—	0
149.6.138.213	—	0
149.6.138.214	—	0
149.6.138.215	—	0
149.6.138.216	—	0
149.6.138.217	te0-0-0-3.nr61.b015770-1.dus01.atlas.cogentco.com	0
149.6.138.218	—	0
149.6.138.219	—	0
149.6.138.220	—	0
149.6.138.221	gi0-6-0-0.rcr21.dus01.atlas.cogentco.com	0
149.6.138.222	—	0
149.6.138.223	—	0
149.6.138.224	—	0
149.6.138.225	gi100-0-0-15.rcr21.dus01.atlas.cogentco.com	0
149.6.138.226	—	0
149.6.138.227	—	0
149.6.138.228	—	0
149.6.138.229	—	0
149.6.138.230	—	0
149.6.138.231	—	0
149.6.138.232	—	0
149.6.138.233	te0-1-0-6.rcr21.dus01.atlas.cogentco.com	0
149.6.138.234	—	0
149.6.138.235	—	0
149.6.138.236	—	0
149.6.138.237	te0-3-0-13.rcr21.dus01.atlas.cogentco.com	0
149.6.138.238	—	0
149.6.138.239	—	0
149.6.138.240	—	0
149.6.138.241	be6824.nr61.b015681-1.dus01.atlas.cogentco.com	0
149.6.138.242	—	0
149.6.138.243	—	0
149.6.138.244	—	0
149.6.138.245	te0-7-1-5.rcr21.dus01.atlas.cogentco.com	0
149.6.138.246	—	0
149.6.138.247	—	0
149.6.138.248	—	0
149.6.138.249	be6799.rcr21.dus01.atlas.cogentco.com	0
149.6.138.250	kommitt.demarc.cogentco.com	0
149.6.138.251	—	0
149.6.138.252	—	0
149.6.138.253	be6323.rcr21.dus01.atlas.cogentco.com	0
149.6.138.254	—	0
149.6.138.255	—	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 149.6.138.55

traceroute to 149.6.138.55 (149.6.138.55): 64 hops max, 52 byte packets

2 [AS174] 149.6.138.55 0.238 ms

Measurement taken from

IPinfo ProbeNet in Duesseldorf, DE

On December 28th 2025