Summary

ASN	AS174 Cogent Communications, LLC
BGP	199.100.0.0/16
IPs with RDNS	51
Hosted Domains	0
Pingable IPs	32
Router IPs	17


199.100.20.0	hu0-0-0-13.ccr71.for01.atlas.cogentco.com	0
199.100.20.1	hu0-0-0-1.ccr71.for01.atlas.cogentco.com	0
199.100.20.2	te0-0-0-0.nr61.b074063-0.for01.atlas.cogentco.com	0
199.100.20.3	—	0
199.100.20.4	te0-0-0-19.ccr71.for01.atlas.cogentco.com	0
199.100.20.5	—	0
199.100.20.6	hu0-0-0-10.260.nr61.b074063-0.for01.atlas.cogentco.com	0
199.100.20.7	—	0
199.100.20.8	te0-0-0-24.ccr71.for01.atlas.cogentco.com	0
199.100.20.9	hu0-0-0-2.ccr71.for01.atlas.cogentco.com	0
199.100.20.10	hu0-0-0-8.207.ccr71.for01.atlas.cogentco.com	0
199.100.20.11	—	0
199.100.20.12	hu0-0-0-10.250.nr61.b074063-0.for01.atlas.cogentco.com	0
199.100.20.13	—	0
199.100.20.14	te0-0-0-0.rcr61.b073057-0.for01.atlas.cogentco.com	0
199.100.20.15	—	0
199.100.20.16	—	0
199.100.20.17	be6716.ccr71.for01.atlas.cogentco.com	0
199.100.20.18	—	0
199.100.20.19	—	0
199.100.20.20	—	0
199.100.20.21	—	0
199.100.20.22	—	0
199.100.20.23	—	0
199.100.20.24	—	0
199.100.20.25	be6719.ccr71.for01.atlas.cogentco.com	0
199.100.20.26	—	0
199.100.20.27	—	0
199.100.20.28	—	0
199.100.20.29	—	0
199.100.20.30	—	0
199.100.20.31	—	0
199.100.20.32	—	0
199.100.20.33	be7406.ccr71.for01.atlas.cogentco.com	0
199.100.20.34	—	0
199.100.20.35	—	0
199.100.20.36	—	0
199.100.20.37	—	0
199.100.20.38	—	0
199.100.20.39	—	0
199.100.20.40	be4646.ccr71.for01.atlas.cogentco.com	0
199.100.20.41	te0-0-0-19.201.ccr71.for01.atlas.cogentco.com	0
199.100.20.42	te0-0-0-42.nr61.b074063-0.for01.atlas.cogentco.com	0
199.100.20.43	—	0
199.100.20.44	te0-0-0-40.rcr61.b073057-0.for01.atlas.cogentco.com	0
199.100.20.45	te0-0-0-19.202.ccr71.for01.atlas.cogentco.com	0
199.100.20.46	gi0-0-0-0.nr11.b073057-0.for01.atlas.cogentco.com	0
199.100.20.47	—	0
199.100.20.48	te0-0-0-1.nr61.b074063-0.for01.atlas.cogentco.com	0
199.100.20.49	te0-0-0-21.ccr71.for01.atlas.cogentco.com	0
199.100.20.50	te0-0-0-1.1121.rcr61.b073057-0.for01.atlas.cogentco.com	0
199.100.20.51	—	0
199.100.20.52	hu0-0-1-1.ccr71.for01.atlas.cogentco.com	0
199.100.20.53	—	0
199.100.20.54	te0-0-0-1.1122.rcr61.b073057-0.for01.atlas.cogentco.com	0
199.100.20.55	—	0
199.100.20.56	te0-0-0-34.ccr71.for01.atlas.cogentco.com	0
199.100.20.57	te0-0-0-0.203.rcr61.b073057-0.for01.atlas.cogentco.com	0
199.100.20.58	gi100-0-0-0.ccr71.for01.atlas.cogentco.com	0
199.100.20.59	—	0
199.100.20.60	—	0
199.100.20.61	—	0
199.100.20.62	—	0
199.100.20.63	—	0
199.100.20.64	—	0
199.100.20.65	be6854.ccr71.for01.atlas.cogentco.com	0
199.100.20.66	—	0
199.100.20.67	—	0
199.100.20.68	—	0
199.100.20.69	—	0
199.100.20.70	—	0
199.100.20.71	—	0
199.100.20.72	—	0
199.100.20.73	te0-0-0-30.ccr71.for01.atlas.cogentco.com	0
199.100.20.74	—	0
199.100.20.75	—	0
199.100.20.76	—	0
199.100.20.77	—	0
199.100.20.78	—	0
199.100.20.79	—	0
199.100.20.80	—	0
199.100.20.81	gi0-0-0-0.nr11.b073057-0.for01.atlas.cogentco.com	0
199.100.20.82	—	0
199.100.20.83	—	0
199.100.20.84	—	0
199.100.20.85	—	0
199.100.20.86	—	0
199.100.20.87	—	0
199.100.20.88	—	0
199.100.20.89	hu0-0-0-8.ccr71.for01.atlas.cogentco.com	0
199.100.20.90	—	0
199.100.20.91	—	0
199.100.20.92	—	0
199.100.20.93	—	0
199.100.20.94	—	0
199.100.20.95	—	0
199.100.20.96	—	0
199.100.20.97	hu0-0-0-8.206.ccr71.for01.atlas.cogentco.com	0
199.100.20.98	—	0
199.100.20.99	—	0
199.100.20.100	—	0
199.100.20.101	—	0
199.100.20.102	—	0
199.100.20.103	—	0
199.100.20.104	—	0
199.100.20.105	te0-0-0-0.250.rcr61.b073057-0.for01.atlas.cogentco.com	0
199.100.20.106	—	0
199.100.20.107	—	0
199.100.20.108	—	0
199.100.20.109	—	0
199.100.20.110	—	0
199.100.20.111	—	0
199.100.20.112	—	0
199.100.20.113	te0-0-0-29.ccr71.for01.atlas.cogentco.com	0
199.100.20.114	—	0
199.100.20.115	—	0
199.100.20.116	—	0
199.100.20.117	—	0
199.100.20.118	—	0
199.100.20.119	—	0
199.100.20.120	—	0
199.100.20.121	te0-0-0-23.ccr71.for01.atlas.cogentco.com	0
199.100.20.122	—	0
199.100.20.123	—	0
199.100.20.124	—	0
199.100.20.125	—	0
199.100.20.126	—	0
199.100.20.127	—	0
199.100.20.128	—	0
199.100.20.129	te0-0-1-1.ccr71.for01.atlas.cogentco.com	0
199.100.20.130	—	0
199.100.20.131	—	0
199.100.20.132	—	0
199.100.20.133	—	0
199.100.20.134	—	0
199.100.20.135	—	0
199.100.20.136	—	0
199.100.20.137	te0-0-0-24.ccr71.for01.atlas.cogentco.com	0
199.100.20.138	—	0
199.100.20.139	—	0
199.100.20.140	—	0
199.100.20.141	—	0
199.100.20.142	—	0
199.100.20.143	—	0
199.100.20.144	—	0
199.100.20.145	te0-0-0-33.ccr71.for01.atlas.cogentco.com	0
199.100.20.146	—	0
199.100.20.147	—	0
199.100.20.148	—	0
199.100.20.149	—	0
199.100.20.150	—	0
199.100.20.151	—	0
199.100.20.152	—	0
199.100.20.153	be7204.ccr71.for01.atlas.cogentco.com	0
199.100.20.154	—	0
199.100.20.155	—	0
199.100.20.156	—	0
199.100.20.157	—	0
199.100.20.158	—	0
199.100.20.159	—	0
199.100.20.160	—	0
199.100.20.161	be7218.ccr71.for01.atlas.cogentco.com	0
199.100.20.162	—	0
199.100.20.163	—	0
199.100.20.164	—	0
199.100.20.165	—	0
199.100.20.166	—	0
199.100.20.167	—	0
199.100.20.168	hu0-0-0-8.ccr71.for01.atlas.cogentco.com	0
199.100.20.169	te0-0-0-0.nr61.b074063-0.for01.atlas.cogentco.com	0
199.100.20.170	hu0-0-0-6.ccr71.for01.atlas.cogentco.com	0
199.100.20.171	—	0
199.100.20.172	be7641.ccr71.for01.atlas.cogentco.com	0
199.100.20.173	—	0
199.100.20.174	te0-0-0-41.203.nr61.b074063-0.for01.atlas.cogentco.com	0
199.100.20.175	—	0
199.100.20.176	—	0
199.100.20.177	te0-0-0-41.nr61.b074063-0.for01.atlas.cogentco.com	0
199.100.20.178	—	0
199.100.20.179	—	0
199.100.20.180	—	0
199.100.20.181	—	0
199.100.20.182	—	0
199.100.20.183	—	0
199.100.20.184	—	0
199.100.20.185	te0-0-0-0.251.rcr61.b073057-0.for01.atlas.cogentco.com	0
199.100.20.186	—	0
199.100.20.187	—	0
199.100.20.188	—	0
199.100.20.189	—	0
199.100.20.190	—	0
199.100.20.191	—	0
199.100.20.192	—	0
199.100.20.193	hu0-0-0-6.ccr71.for01.atlas.cogentco.com	0
199.100.20.194	—	0
199.100.20.195	—	0
199.100.20.196	—	0
199.100.20.197	—	0
199.100.20.198	—	0
199.100.20.199	—	0
199.100.20.200	—	0
199.100.20.201	te0-0-0-0.nr61.b074063-0.for01.atlas.cogentco.com	0
199.100.20.202	—	0
199.100.20.203	—	0
199.100.20.204	—	0
199.100.20.205	—	0
199.100.20.206	—	0
199.100.20.207	—	0
199.100.20.208	—	0
199.100.20.209	gi100-0-0-1.ccr71.for01.atlas.cogentco.com	0
199.100.20.210	—	0
199.100.20.211	—	0
199.100.20.212	—	0
199.100.20.213	—	0
199.100.20.214	—	0
199.100.20.215	—	0
199.100.20.216	—	0
199.100.20.217	—	0
199.100.20.218	—	0
199.100.20.219	—	0
199.100.20.220	—	0
199.100.20.221	—	0
199.100.20.222	—	0
199.100.20.223	—	0
199.100.20.224	—	0
199.100.20.225	gi100-0-0-2.ccr71.for01.atlas.cogentco.com	0
199.100.20.226	—	0
199.100.20.227	—	0
199.100.20.228	—	0
199.100.20.229	—	0
199.100.20.230	—	0
199.100.20.231	—	0
199.100.20.232	—	0
199.100.20.233	—	0
199.100.20.234	—	0
199.100.20.235	—	0
199.100.20.236	—	0
199.100.20.237	—	0
199.100.20.238	—	0
199.100.20.239	—	0
199.100.20.240	—	0
199.100.20.241	—	0
199.100.20.242	—	0
199.100.20.243	—	0
199.100.20.244	—	0
199.100.20.245	—	0
199.100.20.246	—	0
199.100.20.247	—	0
199.100.20.248	—	0
199.100.20.249	—	0
199.100.20.250	—	0
199.100.20.251	—	0
199.100.20.252	—	0
199.100.20.253	—	0
199.100.20.254	—	0
199.100.20.255	—	0

Traceroute

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

traceroute -a -n -q1 -f8 199.100.20.13

traceroute to 199.100.20.13 (199.100.20.13): 64 hops max, 52 byte packets

8 [AS174] 199.100.20.13 1.62 ms

Measurement taken from

IPinfo ProbeNet in Fortaleza, BR

On February 16th 2026