Summary

ASN	AS174 Cogent Communications, LLC
BGP	199.100.0.0/16
IPs with RDNS	45
Hosted Domains	0
Pingable IPs	29
Router IPs	12


199.100.3.0	—	0
199.100.3.1	te0-0-0-2.ccr31.sao01.atlas.cogentco.com	0
199.100.3.2	—	0
199.100.3.3	—	0
199.100.3.4	—	0
199.100.3.5	—	0
199.100.3.6	—	0
199.100.3.7	—	0
199.100.3.8	—	0
199.100.3.9	be6049.207.ccr31.sao01.atlas.cogentco.com	0
199.100.3.10	—	0
199.100.3.11	—	0
199.100.3.12	—	0
199.100.3.13	—	0
199.100.3.14	—	0
199.100.3.15	—	0
199.100.3.16	—	0
199.100.3.17	hu0-6-0-10.301.ccr31.sao01.atlas.cogentco.com	0
199.100.3.18	—	0
199.100.3.19	—	0
199.100.3.20	—	0
199.100.3.21	hu0-6-0-10.302.ccr31.sao01.atlas.cogentco.com	0
199.100.3.22	—	0
199.100.3.23	—	0
199.100.3.24	—	0
199.100.3.25	gi0-0-0-6.rcr01.b070120-0.sao01.atlas.cogentco.com	0
199.100.3.26	—	0
199.100.3.27	—	0
199.100.3.28	—	0
199.100.3.29	te0-4-0-4-1.202.ccr31.sao01.atlas.cogentco.com	0
199.100.3.30	—	0
199.100.3.31	—	0
199.100.3.32	—	0
199.100.3.33	hu0-5-0-0.209.ccr31.sao01.atlas.cogentco.com	0
199.100.3.34	—	0
199.100.3.35	—	0
199.100.3.36	—	0
199.100.3.37	—	0
199.100.3.38	—	0
199.100.3.39	—	0
199.100.3.40	—	0
199.100.3.41	te0-0-0-25.rcr01.b070120-0.sao01.atlas.cogentco.com	0
199.100.3.42	—	0
199.100.3.43	—	0
199.100.3.44	—	0
199.100.3.45	—	0
199.100.3.46	—	0
199.100.3.47	—	0
199.100.3.48	—	0
199.100.3.49	hu0-4-0-0.ccr31.sao01.atlas.cogentco.com	0
199.100.3.50	—	0
199.100.3.51	—	0
199.100.3.52	—	0
199.100.3.53	—	0
199.100.3.54	—	0
199.100.3.55	—	0
199.100.3.56	—	0
199.100.3.57	te0-4-0-5-3.803.ccr31.sao01.atlas.cogentco.com	0
199.100.3.58	—	0
199.100.3.59	—	0
199.100.3.60	—	0
199.100.3.61	—	0
199.100.3.62	—	0
199.100.3.63	—	0
199.100.3.64	—	0
199.100.3.65	te0-0-0-10.rcr01.b070120-0.sao01.atlas.cogentco.com	0
199.100.3.66	—	0
199.100.3.67	—	0
199.100.3.68	—	0
199.100.3.69	—	0
199.100.3.70	—	0
199.100.3.71	—	0
199.100.3.72	—	0
199.100.3.73	te0-3-0-8.rcr51.b070119-0.sao01.atlas.cogentco.com	0
199.100.3.74	—	0
199.100.3.75	—	0
199.100.3.76	—	0
199.100.3.77	—	0
199.100.3.78	—	0
199.100.3.79	—	0
199.100.3.80	—	0
199.100.3.81	te0-4-0-5-7.ccr31.sao01.atlas.cogentco.com	0
199.100.3.82	—	0
199.100.3.83	—	0
199.100.3.84	—	0
199.100.3.85	—	0
199.100.3.86	—	0
199.100.3.87	—	0
199.100.3.88	—	0
199.100.3.89	be4021.rcr51.b070119-0.sao01.atlas.cogentco.com	0
199.100.3.90	twitch.demarc.cogentco.com	0
199.100.3.91	—	0
199.100.3.92	—	0
199.100.3.93	—	0
199.100.3.94	—	0
199.100.3.95	—	0
199.100.3.96	—	0
199.100.3.97	be6208.rcr51.b070119-0.sao01.atlas.cogentco.com	0
199.100.3.98	twitch.demarc.cogentco.com	0
199.100.3.99	—	0
199.100.3.100	—	0
199.100.3.101	—	0
199.100.3.102	—	0
199.100.3.103	—	0
199.100.3.104	—	0
199.100.3.105	be7261.ccr31.sao01.atlas.cogentco.com	0
199.100.3.106	—	0
199.100.3.107	—	0
199.100.3.108	—	0
199.100.3.109	—	0
199.100.3.110	—	0
199.100.3.111	—	0
199.100.3.112	—	0
199.100.3.113	te0-3-1-12.ccr31.sao01.atlas.cogentco.com	0
199.100.3.114	—	0
199.100.3.115	—	0
199.100.3.116	—	0
199.100.3.117	—	0
199.100.3.118	—	0
199.100.3.119	—	0
199.100.3.120	—	0
199.100.3.121	te0-0-0-24.rcr01.b070117-1.sao01.atlas.cogentco.com	0
199.100.3.122	—	0
199.100.3.123	—	0
199.100.3.124	—	0
199.100.3.125	—	0
199.100.3.126	—	0
199.100.3.127	—	0
199.100.3.128	—	0
199.100.3.129	gi100-0-0-12.3631.ccr31.sao01.atlas.cogentco.com	0
199.100.3.130	—	0
199.100.3.131	—	0
199.100.3.132	—	0
199.100.3.133	—	0
199.100.3.134	—	0
199.100.3.135	—	0
199.100.3.136	hu0-2-0-3.rcr51.b070119-0.sao01.atlas.cogentco.com	0
199.100.3.137	te0-3-1-4.rcr51.b070119-0.sao01.atlas.cogentco.com	0
199.100.3.138	te0-0-0-47.agr61.sao01.atlas.cogentco.com	0
199.100.3.139	—	0
199.100.3.140	gi0-0-0-2.rcr02.b070120-0.sao01.atlas.cogentco.com	0
199.100.3.141	—	0
199.100.3.142	te0-0-0-47.agr62.sao01.atlas.cogentco.com	0
199.100.3.143	—	0
199.100.3.144	—	0
199.100.3.145	gi0-0-0-0.rcr01.b070120-0.sao01.atlas.cogentco.com	0
199.100.3.146	—	0
199.100.3.147	—	0
199.100.3.148	—	0
199.100.3.149	—	0
199.100.3.150	—	0
199.100.3.151	—	0
199.100.3.152	te0-0-0-42.agr62.sao01.atlas.cogentco.com	0
199.100.3.153	te0-3-1-12.ccr31.sao01.atlas.cogentco.com	0
199.100.3.154	te0-0-0-23.rcr01.b070117-1.sao01.atlas.cogentco.com	0
199.100.3.155	—	0
199.100.3.156	hu0-0-0-20.rcr01.b070117-1.sao01.atlas.cogentco.com	0
199.100.3.157	—	0
199.100.3.158	te0-0-0-27.rcr01.b071580-0.sao01.atlas.cogentco.com	0
199.100.3.159	—	0
199.100.3.160	—	0
199.100.3.161	be6218.ccr31.sao01.atlas.cogentco.com	0
199.100.3.162	—	0
199.100.3.163	—	0
199.100.3.164	—	0
199.100.3.165	—	0
199.100.3.166	—	0
199.100.3.167	—	0
199.100.3.168	—	0
199.100.3.169	te0-0-0-23.rcr01.sao02.atlas.cogentco.com	0
199.100.3.170	—	0
199.100.3.171	—	0
199.100.3.172	—	0
199.100.3.173	—	0
199.100.3.174	—	0
199.100.3.175	—	0
199.100.3.176	—	0
199.100.3.177	te0-0-0-0.2399.ccr31.sao01.atlas.cogentco.com	0
199.100.3.178	—	0
199.100.3.179	—	0
199.100.3.180	—	0
199.100.3.181	te0-0-0-0.2416.ccr31.sao01.atlas.cogentco.com	0
199.100.3.182	—	0
199.100.3.183	—	0
199.100.3.184	—	0
199.100.3.185	gi100-0-0-25.ccr31.sao01.atlas.cogentco.com	0
199.100.3.186	—	0
199.100.3.187	—	0
199.100.3.188	—	0
199.100.3.189	—	0
199.100.3.190	—	0
199.100.3.191	—	0
199.100.3.192	—	0
199.100.3.193	hu0-5-0-20.ccr31.sao01.atlas.cogentco.com	0
199.100.3.194	—	0
199.100.3.195	—	0
199.100.3.196	—	0
199.100.3.197	—	0
199.100.3.198	—	0
199.100.3.199	—	0
199.100.3.200	—	0
199.100.3.201	hu0-5-0-5.95.ccr31.sao01.atlas.cogentco.com	0
199.100.3.202	—	0
199.100.3.203	—	0
199.100.3.204	—	0
199.100.3.205	—	0
199.100.3.206	—	0
199.100.3.207	—	0
199.100.3.208	—	0
199.100.3.209	gi100-0-0-2.815.ccr31.sao01.atlas.cogentco.com	0
199.100.3.210	—	0
199.100.3.211	—	0
199.100.3.212	—	0
199.100.3.213	—	0
199.100.3.214	—	0
199.100.3.215	—	0
199.100.3.216	—	0
199.100.3.217	te0-3-1-7.rcr51.b070119-0.sao01.atlas.cogentco.com	0
199.100.3.218	—	0
199.100.3.219	—	0
199.100.3.220	—	0
199.100.3.221	—	0
199.100.3.222	—	0
199.100.3.223	—	0
199.100.3.224	—	0
199.100.3.225	te0-3-1-16.ccr31.sao01.atlas.cogentco.com	0
199.100.3.226	—	0
199.100.3.227	—	0
199.100.3.228	—	0
199.100.3.229	—	0
199.100.3.230	—	0
199.100.3.231	—	0
199.100.3.232	—	0
199.100.3.233	te0-0-0-26.rcr01.b070120-0.sao01.atlas.cogentco.com	0
199.100.3.234	—	0
199.100.3.235	—	0
199.100.3.236	—	0
199.100.3.237	—	0
199.100.3.238	—	0
199.100.3.239	—	0
199.100.3.240	—	0
199.100.3.241	te0-0-2-1.rcr11.b071557-0.sao01.atlas.cogentco.com	0
199.100.3.242	—	0
199.100.3.243	—	0
199.100.3.244	—	0
199.100.3.245	—	0
199.100.3.246	—	0
199.100.3.247	—	0
199.100.3.248	—	0
199.100.3.249	be6049.206.ccr31.sao01.atlas.cogentco.com	0
199.100.3.250	—	0
199.100.3.251	—	0
199.100.3.252	—	0
199.100.3.253	—	0
199.100.3.254	—	0
199.100.3.255	—	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 199.100.3.157

traceroute to 199.100.3.157 (199.100.3.157): 64 hops max, 52 byte packets

3 [AS174] 199.100.3.157 0.552 ms

Measurement taken from

IPinfo ProbeNet in Sao Paulo, BR

On January 30th 2026