Summary

ASN	AS174 Cogent Communications, LLC
BGP	149.6.0.0/15
IPs with RDNS	37
Hosted Domains	0
Pingable IPs	43
Router IPs	16


149.6.139.0	—	0
149.6.139.1	gi100-0-0-13.rcr21.dus01.atlas.cogentco.com	0
149.6.139.2	—	0
149.6.139.3	—	0
149.6.139.4	—	0
149.6.139.5	—	0
149.6.139.6	—	0
149.6.139.7	—	0
149.6.139.8	—	0
149.6.139.9	gi100-0-0-5.202.rcr21.dus01.atlas.cogentco.com	0
149.6.139.10	—	0
149.6.139.11	—	0
149.6.139.12	—	0
149.6.139.13	—	0
149.6.139.14	—	0
149.6.139.15	—	0
149.6.139.16	—	0
149.6.139.17	te0-3-0-4.209.rcr21.dus01.atlas.cogentco.com	0
149.6.139.18	—	0
149.6.139.19	—	0
149.6.139.20	—	0
149.6.139.21	—	0
149.6.139.22	—	0
149.6.139.23	—	0
149.6.139.24	—	0
149.6.139.25	te0-3-0-4.208.rcr21.dus01.atlas.cogentco.com	0
149.6.139.26	—	0
149.6.139.27	—	0
149.6.139.28	—	0
149.6.139.29	—	0
149.6.139.30	—	0
149.6.139.31	—	0
149.6.139.32	—	0
149.6.139.33	te0-0-0-47.nr61.b015681-1.dus01.atlas.cogentco.com	0
149.6.139.34	—	0
149.6.139.35	—	0
149.6.139.36	—	0
149.6.139.37	—	0
149.6.139.38	—	0
149.6.139.39	—	0
149.6.139.40	—	0
149.6.139.41	te0-0-0-6.nr61.b015681-1.dus01.atlas.cogentco.com	0
149.6.139.42	—	0
149.6.139.43	—	0
149.6.139.44	—	0
149.6.139.45	—	0
149.6.139.46	—	0
149.6.139.47	—	0
149.6.139.48	—	0
149.6.139.49	gi0-0-0-12.nr11.b015681-1.dus01.atlas.cogentco.com	0
149.6.139.50	—	0
149.6.139.51	—	0
149.6.139.52	—	0
149.6.139.53	—	0
149.6.139.54	—	0
149.6.139.55	—	0
149.6.139.56	—	0
149.6.139.57	gi0-0-0-13.nr11.b015681-1.dus01.atlas.cogentco.com	0
149.6.139.58	—	0
149.6.139.59	—	0
149.6.139.60	—	0
149.6.139.61	—	0
149.6.139.62	—	0
149.6.139.63	—	0
149.6.139.64	—	0
149.6.139.65	gi0-0-0-8.nr11.b015770-1.dus01.atlas.cogentco.com	0
149.6.139.66	—	0
149.6.139.67	—	0
149.6.139.68	—	0
149.6.139.69	—	0
149.6.139.70	—	0
149.6.139.71	—	0
149.6.139.72	—	0
149.6.139.73	te0-0-0-4.nr61.b015681-1.dus01.atlas.cogentco.com	0
149.6.139.74	—	0
149.6.139.75	—	0
149.6.139.76	—	0
149.6.139.77	—	0
149.6.139.78	—	0
149.6.139.79	—	0
149.6.139.80	—	0
149.6.139.81	te0-3-0-15.rcr21.dus01.atlas.cogentco.com	0
149.6.139.82	—	0
149.6.139.83	—	0
149.6.139.84	—	0
149.6.139.85	—	0
149.6.139.86	—	0
149.6.139.87	—	0
149.6.139.88	—	0
149.6.139.89	gi0-0-0-2.nr11.b015681-1.dus01.atlas.cogentco.com	0
149.6.139.90	—	0
149.6.139.91	—	0
149.6.139.92	—	0
149.6.139.93	—	0
149.6.139.94	—	0
149.6.139.95	—	0
149.6.139.96	—	0
149.6.139.97	te0-3-0-4.207.rcr21.dus01.atlas.cogentco.com	0
149.6.139.98	iboss.demarc.cogentco.com	0
149.6.139.99	—	0
149.6.139.100	—	0
149.6.139.101	—	0
149.6.139.102	—	0
149.6.139.103	—	0
149.6.139.104	—	0
149.6.139.105	te0-0-0-2.nr61.b015681-1.dus01.atlas.cogentco.com	0
149.6.139.106	iboss.demarc.cogentco.com	0
149.6.139.107	—	0
149.6.139.108	—	0
149.6.139.109	—	0
149.6.139.110	—	0
149.6.139.111	—	0
149.6.139.112	—	0
149.6.139.113	te0-5-0-3.rcr21.dus01.atlas.cogentco.com	0
149.6.139.114	—	0
149.6.139.115	—	0
149.6.139.116	—	0
149.6.139.117	—	0
149.6.139.118	—	0
149.6.139.119	—	0
149.6.139.120	—	0
149.6.139.121	hu0-2-0-1.rcr21.dus01.atlas.cogentco.com	0
149.6.139.122	—	0
149.6.139.123	—	0
149.6.139.124	—	0
149.6.139.125	—	0
149.6.139.126	—	0
149.6.139.127	—	0
149.6.139.128	—	0
149.6.139.129	te0-5-0-8.rcr21.dus01.atlas.cogentco.com	0
149.6.139.130	—	0
149.6.139.131	—	0
149.6.139.132	—	0
149.6.139.133	—	0
149.6.139.134	—	0
149.6.139.135	—	0
149.6.139.136	—	0
149.6.139.137	hu0-4-0-3.rcr21.dus01.atlas.cogentco.com	0
149.6.139.138	—	0
149.6.139.139	—	0
149.6.139.140	—	0
149.6.139.141	—	0
149.6.139.142	—	0
149.6.139.143	—	0
149.6.139.144	—	0
149.6.139.145	gi100-0-0-3.rcr21.dus01.atlas.cogentco.com	0
149.6.139.146	—	0
149.6.139.147	—	0
149.6.139.148	—	0
149.6.139.149	—	0
149.6.139.150	—	0
149.6.139.151	—	0
149.6.139.152	—	0
149.6.139.153	te0-0-0-2.nr61.b015753-1.fra05.atlas.cogentco.com	0
149.6.139.154	—	0
149.6.139.155	—	0
149.6.139.156	—	0
149.6.139.157	—	0
149.6.139.158	—	0
149.6.139.159	—	0
149.6.139.160	—	0
149.6.139.161	te0-0-0-42.nr61.b015753-1.fra05.atlas.cogentco.com	0
149.6.139.162	—	0
149.6.139.163	—	0
149.6.139.164	—	0
149.6.139.165	—	0
149.6.139.166	—	0
149.6.139.167	—	0
149.6.139.168	—	0
149.6.139.169	te0-0-1-1.201.nr11.b015810-2.dus01.atlas.cogentco.com	0
149.6.139.170	cbcnet.demarc.cogentco.com	0
149.6.139.171	—	0
149.6.139.172	—	0
149.6.139.173	—	0
149.6.139.174	—	0
149.6.139.175	—	0
149.6.139.176	—	0
149.6.139.177	te0-3-0-5.rcr21.dus01.atlas.cogentco.com	0
149.6.139.178	—	0
149.6.139.179	—	0
149.6.139.180	—	0
149.6.139.181	—	0
149.6.139.182	—	0
149.6.139.183	—	0
149.6.139.184	—	0
149.6.139.185	be4973.rcr21.dus01.atlas.cogentco.com	0
149.6.139.186	—	0
149.6.139.187	—	0
149.6.139.188	—	0
149.6.139.189	—	0
149.6.139.190	—	0
149.6.139.191	—	0
149.6.139.192	—	0
149.6.139.193	te0-0-0-15.nr61.b015681-1.dus01.atlas.cogentco.com	0
149.6.139.194	—	0
149.6.139.195	—	0
149.6.139.196	—	0
149.6.139.197	—	0
149.6.139.198	—	0
149.6.139.199	—	0
149.6.139.200	—	0
149.6.139.201	te0-0-0-0.nr61.b015770-1.dus01.atlas.cogentco.com	0
149.6.139.202	—	0
149.6.139.203	—	0
149.6.139.204	—	0
149.6.139.205	—	0
149.6.139.206	—	0
149.6.139.207	—	0
149.6.139.208	—	0
149.6.139.209	gi0-0-0-10.nr11.b015770-1.dus01.atlas.cogentco.com	0
149.6.139.210	cogentco.route01.dus.servergurus.de	0
149.6.139.211	cogentco.route02.dus.servergurus.de	0
149.6.139.212	—	0
149.6.139.213	—	0
149.6.139.214	—	0
149.6.139.215	—	0
149.6.139.216	—	0
149.6.139.217	gi100-0-0-14.3421.rcr21.dus01.atlas.cogentco.com	0
149.6.139.218	—	0
149.6.139.219	—	0
149.6.139.220	—	0
149.6.139.221	—	0
149.6.139.222	—	0
149.6.139.223	—	0
149.6.139.224	—	0
149.6.139.225	hu0-2-0-3.rcr21.dus01.atlas.cogentco.com	0
149.6.139.226	—	0
149.6.139.227	—	0
149.6.139.228	—	0
149.6.139.229	—	0
149.6.139.230	—	0
149.6.139.231	—	0
149.6.139.232	—	0
149.6.139.233	gi100-0-0-5.203.rcr21.dus01.atlas.cogentco.com	0
149.6.139.234	—	0
149.6.139.235	—	0
149.6.139.236	—	0
149.6.139.237	—	0
149.6.139.238	—	0
149.6.139.239	—	0
149.6.139.240	—	0
149.6.139.241	hu0-2-0-4.rcr21.dus01.atlas.cogentco.com	0
149.6.139.242	—	0
149.6.139.243	—	0
149.6.139.244	—	0
149.6.139.245	—	0
149.6.139.246	—	0
149.6.139.247	—	0
149.6.139.248	—	0
149.6.139.249	te0-3-0-4.201.rcr21.dus01.atlas.cogentco.com	0
149.6.139.250	—	0
149.6.139.251	—	0
149.6.139.252	—	0
149.6.139.253	—	0
149.6.139.254	—	0
149.6.139.255	—	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 149.6.139.82

traceroute to 149.6.139.82 (149.6.139.82): 64 hops max, 52 byte packets

4 [AS174] 154.54.62.229 4.3 ms

5 [AS174] 149.6.139.82 3.44 ms

Measurement taken from

IPinfo ProbeNet in Amsterdam, NL

On November 14th 2025