149.11.203.0/24 IP Range

Summary

ASN	AS174 Cogent Communications, LLC
BGP	149.11.0.0/16
IPs with RDNS	35
Hosted Domains	0
Pingable IPs	40
Router IPs	16


149.11.203.0	—	0
149.11.203.1	te0-4-0-6-4.rcr21.b038092-0.ams03.atlas.cogentco.com	0
149.11.203.2	—	0
149.11.203.3	—	0
149.11.203.4	—	0
149.11.203.5	—	0
149.11.203.6	—	0
149.11.203.7	—	0
149.11.203.8	—	0
149.11.203.9	be5683.rcr21.b047839-0.ams03.atlas.cogentco.com	0
149.11.203.10	fdcservers.demarc.cogentco.com	0
149.11.203.11	—	0
149.11.203.12	—	0
149.11.203.13	—	0
149.11.203.14	—	0
149.11.203.15	—	0
149.11.203.16	—	0
149.11.203.17	be6166.rcr22.b047839-0.ams03.atlas.cogentco.com	0
149.11.203.18	fdcservers.demarc.cogentco.com	0
149.11.203.19	—	0
149.11.203.20	—	0
149.11.203.21	—	0
149.11.203.22	—	0
149.11.203.23	—	0
149.11.203.24	—	0
149.11.203.25	be4532.rcr21.b031955-0.ams03.atlas.cogentco.com	0
149.11.203.26	—	0
149.11.203.27	—	0
149.11.203.28	—	0
149.11.203.29	—	0
149.11.203.30	—	0
149.11.203.31	—	0
149.11.203.32	—	0
149.11.203.33	be4287.rcr21.b015960-1.ams03.atlas.cogentco.com	0
149.11.203.34	—	0
149.11.203.35	—	0
149.11.203.36	—	0
149.11.203.37	—	0
149.11.203.38	—	0
149.11.203.39	—	0
149.11.203.40	—	0
149.11.203.41	te0-3-1-1.rcr51.b015969-1.ams03.atlas.cogentco.com	0
149.11.203.42	—	0
149.11.203.43	—	0
149.11.203.44	—	0
149.11.203.45	—	0
149.11.203.46	—	0
149.11.203.47	—	0
149.11.203.48	—	0
149.11.203.49	te0-0-0-41.nr61.b020818-1.ams03.atlas.cogentco.com	0
149.11.203.50	—	0
149.11.203.51	—	0
149.11.203.52	—	0
149.11.203.53	—	0
149.11.203.54	—	0
149.11.203.55	—	0
149.11.203.56	—	0
149.11.203.57	te0-0-0-0.nr61.b020906-1.ams03.atlas.cogentco.com	0
149.11.203.58	—	0
149.11.203.59	—	0
149.11.203.60	—	0
149.11.203.61	—	0
149.11.203.62	—	0
149.11.203.63	—	0
149.11.203.64	—	0
149.11.203.65	te0-2-0-4-7.rcr21.b015960-1.ams03.atlas.cogentco.com	0
149.11.203.66	—	0
149.11.203.67	—	0
149.11.203.68	—	0
149.11.203.69	—	0
149.11.203.70	—	0
149.11.203.71	—	0
149.11.203.72	—	0
149.11.203.73	gi0-0-0-2.nr11.b035970-0.ams03.atlas.cogentco.com	0
149.11.203.74	—	0
149.11.203.75	—	0
149.11.203.76	—	0
149.11.203.77	—	0
149.11.203.78	—	0
149.11.203.79	—	0
149.11.203.80	—	0
149.11.203.81	te0-0-2-1.305.nr11.b047839-0.ams03.atlas.cogentco.com	0
149.11.203.82	—	0
149.11.203.83	—	0
149.11.203.84	—	0
149.11.203.85	—	0
149.11.203.86	—	0
149.11.203.87	—	0
149.11.203.88	—	0
149.11.203.89	te0-0-2-1.314.nr11.b047839-0.ams03.atlas.cogentco.com	0
149.11.203.90	—	0
149.11.203.91	—	0
149.11.203.92	—	0
149.11.203.93	—	0
149.11.203.94	—	0
149.11.203.95	—	0
149.11.203.96	—	0
149.11.203.97	gi0-0-0-0.nr11.b072281-1.ams03.atlas.cogentco.com	0
149.11.203.98	—	0
149.11.203.99	—	0
149.11.203.100	—	0
149.11.203.101	—	0
149.11.203.102	—	0
149.11.203.103	—	0
149.11.203.104	—	0
149.11.203.105	gi100-0-0-19.207.agr21.ams03.atlas.cogentco.com	0
149.11.203.106	—	0
149.11.203.107	—	0
149.11.203.108	—	0
149.11.203.109	—	0
149.11.203.110	—	0
149.11.203.111	—	0
149.11.203.112	—	0
149.11.203.113	gi100-0-0-2.rcr21.b015960-1.ams03.atlas.cogentco.com	0
149.11.203.114	—	0
149.11.203.115	—	0
149.11.203.116	—	0
149.11.203.117	—	0
149.11.203.118	—	0
149.11.203.119	—	0
149.11.203.120	—	0
149.11.203.121	be7379.agr31.ams03.atlas.cogentco.com	0
149.11.203.122	—	0
149.11.203.123	—	0
149.11.203.124	—	0
149.11.203.125	—	0
149.11.203.126	—	0
149.11.203.127	—	0
149.11.203.128	—	0
149.11.203.129	be6303.rcr21.b038092-0.ams03.atlas.cogentco.com	0
149.11.203.130	ebay.demarc.cogentco.com	0
149.11.203.131	—	0
149.11.203.132	—	0
149.11.203.133	—	0
149.11.203.134	—	0
149.11.203.135	—	0
149.11.203.136	—	0
149.11.203.137	be6169.202.rcr21.b038092-0.ams03.atlas.cogentco.com	0
149.11.203.138	—	0
149.11.203.139	—	0
149.11.203.140	—	0
149.11.203.141	—	0
149.11.203.142	—	0
149.11.203.143	—	0
149.11.203.144	—	0
149.11.203.145	te0-2-0-2.rcr51.b015969-1.ams03.atlas.cogentco.com	0
149.11.203.146	—	0
149.11.203.147	—	0
149.11.203.148	—	0
149.11.203.149	—	0
149.11.203.150	—	0
149.11.203.151	—	0
149.11.203.152	—	0
149.11.203.153	be6883.rcr21.b021535-1.ams03.atlas.cogentco.com	0
149.11.203.154	—	0
149.11.203.155	—	0
149.11.203.156	—	0
149.11.203.157	—	0
149.11.203.158	—	0
149.11.203.159	—	0
149.11.203.160	—	0
149.11.203.161	gi100-0-0-0.nr61.b015581-1.ams03.atlas.cogentco.com	0
149.11.203.162	—	0
149.11.203.163	—	0
149.11.203.164	—	0
149.11.203.165	—	0
149.11.203.166	—	0
149.11.203.167	—	0
149.11.203.168	—	0
149.11.203.169	te0-5-0-1-0.rcr21.b047839-0.ams03.atlas.cogentco.com	0
149.11.203.170	—	0
149.11.203.171	—	0
149.11.203.172	—	0
149.11.203.173	—	0
149.11.203.174	—	0
149.11.203.175	—	0
149.11.203.176	—	0
149.11.203.177	te0-3-1-14.nr51.b021908-0.ams03.atlas.cogentco.com	0
149.11.203.178	—	0
149.11.203.179	—	0
149.11.203.180	—	0
149.11.203.181	—	0
149.11.203.182	—	0
149.11.203.183	—	0
149.11.203.184	—	0
149.11.203.185	gi100-0-0-22.rcr21.b038092-0.ams03.atlas.cogentco.com	0
149.11.203.186	—	0
149.11.203.187	—	0
149.11.203.188	—	0
149.11.203.189	—	0
149.11.203.190	—	0
149.11.203.191	—	0
149.11.203.192	—	0
149.11.203.193	be7273.rcr21.b021535-1.ams03.atlas.cogentco.com	0
149.11.203.194	—	0
149.11.203.195	—	0
149.11.203.196	—	0
149.11.203.197	—	0
149.11.203.198	—	0
149.11.203.199	—	0
149.11.203.200	—	0
149.11.203.201	gi100-0-0-18.rcr21.b021535-1.ams03.atlas.cogentco.com	0
149.11.203.202	—	0
149.11.203.203	—	0
149.11.203.204	—	0
149.11.203.205	—	0
149.11.203.206	—	0
149.11.203.207	—	0
149.11.203.208	—	0
149.11.203.209	gi100-0-0-24.agr21.ams03.atlas.cogentco.com	0
149.11.203.210	—	0
149.11.203.211	—	0
149.11.203.212	—	0
149.11.203.213	—	0
149.11.203.214	—	0
149.11.203.215	—	0
149.11.203.216	—	0
149.11.203.217	te0-2-0-4-9.rcr21.b015960-1.ams03.atlas.cogentco.com	0
149.11.203.218	—	0
149.11.203.219	—	0
149.11.203.220	—	0
149.11.203.221	—	0
149.11.203.222	—	0
149.11.203.223	—	0
149.11.203.224	—	0
149.11.203.225	hu0-0-0-10.nr61.b020906-1.ams03.atlas.cogentco.com	0
149.11.203.226	—	0
149.11.203.227	—	0
149.11.203.228	—	0
149.11.203.229	—	0
149.11.203.230	—	0
149.11.203.231	—	0
149.11.203.232	—	0
149.11.203.233	gi0-0-0-2.nr01.b041393-0.ams03.atlas.cogentco.com	0
149.11.203.234	—	0
149.11.203.235	—	0
149.11.203.236	—	0
149.11.203.237	—	0
149.11.203.238	—	0
149.11.203.239	—	0
149.11.203.240	—	0
149.11.203.241	be7221.201.rcr21.b021535-1.ams03.atlas.cogentco.com	0
149.11.203.242	—	0
149.11.203.243	—	0
149.11.203.244	—	0
149.11.203.245	—	0
149.11.203.246	—	0
149.11.203.247	—	0
149.11.203.248	—	0
149.11.203.249	be7221.202.rcr21.b021535-1.ams03.atlas.cogentco.com	0
149.11.203.250	—	0
149.11.203.251	—	0
149.11.203.252	—	0
149.11.203.253	—	0
149.11.203.254	—	0
149.11.203.255	—	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 149.11.203.209

traceroute to 149.11.203.209 (149.11.203.209): 64 hops max, 52 byte packets

3 [AS3257] 213.39.2.65 0.197 ms

4 *

5 [AS174] 149.11.203.209 0.551 ms

Measurement taken from

IPinfo ProbeNet in Amsterdam, NL

On October 9th 2025