Summary

ASN	AS174 Cogent Communications, LLC
BGP	144.228.0.0/15
IPs with RDNS	30
Hosted Domains	0
Pingable IPs	9
Router IPs	1


144.228.121.0	—	0
144.228.121.1	—	0
144.228.121.2	—	0
144.228.121.3	—	0
144.228.121.4	—	0
144.228.121.5	be5257.36.rcr61.b000055-1.dca01.atlas.cogentco.com	0
144.228.121.6	—	0
144.228.121.7	—	0
144.228.121.8	—	0
144.228.121.9	—	0
144.228.121.10	—	0
144.228.121.11	—	0
144.228.121.12	—	0
144.228.121.13	—	0
144.228.121.14	—	0
144.228.121.15	—	0
144.228.121.16	—	0
144.228.121.17	—	0
144.228.121.18	—	0
144.228.121.19	—	0
144.228.121.20	—	0
144.228.121.21	—	0
144.228.121.22	—	0
144.228.121.23	—	0
144.228.121.24	—	0
144.228.121.25	multi-use.cogentco.com	0
144.228.121.26	—	0
144.228.121.27	—	0
144.228.121.28	—	0
144.228.121.29	—	0
144.228.121.30	—	0
144.228.121.31	—	0
144.228.121.32	—	0
144.228.121.33	—	0
144.228.121.34	—	0
144.228.121.35	—	0
144.228.121.36	—	0
144.228.121.37	sl-crs2-dc-.sprintlink.net	0
144.228.121.38	sl-sprin904-466338-0.sprintlink.net	0
144.228.121.39	—	0
144.228.121.40	—	0
144.228.121.41	—	0
144.228.121.42	—	0
144.228.121.43	—	0
144.228.121.44	—	0
144.228.121.45	sl-crs1-dc-.sprintlink.net	0
144.228.121.46	—	0
144.228.121.47	—	0
144.228.121.48	—	0
144.228.121.49	—	0
144.228.121.50	—	0
144.228.121.51	—	0
144.228.121.52	—	0
144.228.121.53	—	0
144.228.121.54	—	0
144.228.121.55	—	0
144.228.121.56	—	0
144.228.121.57	—	0
144.228.121.58	—	0
144.228.121.59	—	0
144.228.121.60	—	0
144.228.121.61	sl-crs1-dc-.sprintlink.net	0
144.228.121.62	—	0
144.228.121.63	—	0
144.228.121.64	—	0
144.228.121.65	gi100-0-0-24.agr61.dca04.atlas.cogentco.com	0
144.228.121.66	—	0
144.228.121.67	—	0
144.228.121.68	—	0
144.228.121.69	—	0
144.228.121.70	—	0
144.228.121.71	—	0
144.228.121.72	—	0
144.228.121.73	sl-vas1-tac-2-2-si157.sprintlink.net	0
144.228.121.74	sl-gw8-tac-0-4-0-0-si157.sprintlink.net	0
144.228.121.75	—	0
144.228.121.76	—	0
144.228.121.77	—	0
144.228.121.78	—	0
144.228.121.79	—	0
144.228.121.80	—	0
144.228.121.81	sl-crs2-dc-.sprintlink.net	0
144.228.121.82	—	0
144.228.121.83	—	0
144.228.121.84	—	0
144.228.121.85	sl-crs2-dc-.sprintlink.net	0
144.228.121.86	sl-sprin904-903408-0.sprintlink.net	0
144.228.121.87	—	0
144.228.121.88	—	0
144.228.121.89	—	0
144.228.121.90	—	0
144.228.121.91	—	0
144.228.121.92	—	0
144.228.121.93	—	0
144.228.121.94	—	0
144.228.121.95	—	0
144.228.121.96	—	0
144.228.121.97	—	0
144.228.121.98	—	0
144.228.121.99	—	0
144.228.121.100	—	0
144.228.121.101	—	0
144.228.121.102	—	0
144.228.121.103	—	0
144.228.121.104	—	0
144.228.121.105	sl-gw20-dc-0-4-2-3-12-ts0.sprintlink.net	0
144.228.121.106	sl-wirel23-947795-0.sprintlink.net	0
144.228.121.107	—	0
144.228.121.108	—	0
144.228.121.109	te0-0-0-44.1217.nr61.b006637-1.clt01.atlas.cogentco.com	0
144.228.121.110	—	0
144.228.121.111	—	0
144.228.121.112	—	0
144.228.121.113	—	0
144.228.121.114	—	0
144.228.121.115	—	0
144.228.121.116	—	0
144.228.121.117	be6558.27.agr61.dca04.atlas.cogentco.com	0
144.228.121.118	—	0
144.228.121.119	—	0
144.228.121.120	—	0
144.228.121.121	—	0
144.228.121.122	—	0
144.228.121.123	—	0
144.228.121.124	—	0
144.228.121.125	—	0
144.228.121.126	—	0
144.228.121.127	—	0
144.228.121.128	—	0
144.228.121.129	sl-crs1-ffx-.sprintlink.net	0
144.228.121.130	—	0
144.228.121.131	—	0
144.228.121.132	—	0
144.228.121.133	be5738.167.ccr42.iad02.atlas.cogentco.com	0
144.228.121.134	—	0
144.228.121.135	—	0
144.228.121.136	—	0
144.228.121.137	—	0
144.228.121.138	—	0
144.228.121.139	—	0
144.228.121.140	—	0
144.228.121.141	—	0
144.228.121.142	—	0
144.228.121.143	—	0
144.228.121.144	—	0
144.228.121.145	te0-0-0-4.54.sl-mpe71-dc.swl.cogentco.com	0
144.228.121.146	—	0
144.228.121.147	—	0
144.228.121.148	—	0
144.228.121.149	be6558.1173.agr61.dca04.atlas.cogentco.com	0
144.228.121.150	—	0
144.228.121.151	—	0
144.228.121.152	—	0
144.228.121.153	—	0
144.228.121.154	—	0
144.228.121.155	—	0
144.228.121.156	—	0
144.228.121.157	—	0
144.228.121.158	—	0
144.228.121.159	—	0
144.228.121.160	—	0
144.228.121.161	—	0
144.228.121.162	—	0
144.228.121.163	—	0
144.228.121.164	—	0
144.228.121.165	—	0
144.228.121.166	—	0
144.228.121.167	—	0
144.228.121.168	—	0
144.228.121.169	—	0
144.228.121.170	—	0
144.228.121.171	—	0
144.228.121.172	—	0
144.228.121.173	—	0
144.228.121.174	—	0
144.228.121.175	—	0
144.228.121.176	—	0
144.228.121.177	—	0
144.228.121.178	—	0
144.228.121.179	—	0
144.228.121.180	—	0
144.228.121.181	—	0
144.228.121.182	—	0
144.228.121.183	—	0
144.228.121.184	—	0
144.228.121.185	sl-crs1-dc-.sprintlink.net	0
144.228.121.186	—	0
144.228.121.187	—	0
144.228.121.188	—	0
144.228.121.189	—	0
144.228.121.190	—	0
144.228.121.191	—	0
144.228.121.192	—	0
144.228.121.193	be6558.217.agr61.dca04.atlas.cogentco.com	0
144.228.121.194	—	0
144.228.121.195	—	0
144.228.121.196	—	0
144.228.121.197	—	0
144.228.121.198	—	0
144.228.121.199	—	0
144.228.121.200	—	0
144.228.121.201	—	0
144.228.121.202	—	0
144.228.121.203	—	0
144.228.121.204	—	0
144.228.121.205	—	0
144.228.121.206	—	0
144.228.121.207	—	0
144.228.121.208	—	0
144.228.121.209	—	0
144.228.121.210	—	0
144.228.121.211	—	0
144.228.121.212	—	0
144.228.121.213	—	0
144.228.121.214	—	0
144.228.121.215	—	0
144.228.121.216	—	0
144.228.121.217	—	0
144.228.121.218	—	0
144.228.121.219	—	0
144.228.121.220	—	0
144.228.121.221	—	0
144.228.121.222	—	0
144.228.121.223	—	0
144.228.121.224	—	0
144.228.121.225	sl-crs1-ffx-.sprintlink.net	0
144.228.121.226	—	0
144.228.121.227	—	0
144.228.121.228	—	0
144.228.121.229	sl-crs1-ffx-.sprintlink.net	0
144.228.121.230	—	0
144.228.121.231	—	0
144.228.121.232	—	0
144.228.121.233	sl-crs1-ffx-.sprintlink.net	0
144.228.121.234	—	0
144.228.121.235	—	0
144.228.121.236	—	0
144.228.121.237	te0-0-0-0.129.sl-mst71-atl4.swl.cogentco.com	0
144.228.121.238	—	0
144.228.121.239	—	0
144.228.121.240	—	0
144.228.121.241	be2960.502.rcr61.clt05.atlas.cogentco.com	0
144.228.121.242	—	0
144.228.121.243	—	0
144.228.121.244	—	0
144.228.121.245	te0-0-0-44.117.nr61.b006637-1.clt01.atlas.cogentco.com	0
144.228.121.246	—	0
144.228.121.247	—	0
144.228.121.248	—	0
144.228.121.249	be5997.768.rcr61.aqx01.atlas.cogentco.com	0
144.228.121.250	—	0
144.228.121.251	—	0
144.228.121.252	—	0
144.228.121.253	sl-crs1-ffx-.sprintlink.net	0
144.228.121.254	—	0
144.228.121.255	—	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 144.228.121.249

traceroute to 144.228.121.249 (144.228.121.249): 64 hops max, 52 byte packets

3 [AS174] 154.54.29.122 0.845 ms

4 [AS174] 154.54.94.42 1.31 ms

5 [AS174] 144.228.121.249 5.581 ms

Measurement taken from

IPinfo ProbeNet in Atlanta, US

On January 18th 2026