Summary

ASN	AS174 Cogent Communications, LLC
BGP	66.28.0.0/16
IPs with RDNS	79
Hosted Domains	0
Pingable IPs	3
Router IPs	2


66.28.31.0	—	0
66.28.31.1	—	0
66.28.31.2	—	0
66.28.31.3	—	0
66.28.31.4	—	0
66.28.31.5	—	0
66.28.31.6	—	0
66.28.31.7	—	0
66.28.31.8	—	0
66.28.31.9	f0-5.na01.b000502-0.bos01.atlas.cogentco.com	0
66.28.31.10	hanifyking.demarc.cogentco.com	0
66.28.31.11	—	0
66.28.31.12	—	0
66.28.31.13	—	0
66.28.31.14	—	0
66.28.31.15	—	0
66.28.31.16	—	0
66.28.31.17	gi0-0-0-34.nr01.b005178-0.jfk02.atlas.cogentco.com	0
66.28.31.18	lanier_associates.demarc.cogentco.com	0
66.28.31.19	—	0
66.28.31.20	—	0
66.28.31.21	fa0-1.na01.b001166-0.jfk02.atlas.cogentco.com	0
66.28.31.22	christian_brothers_investments.demarc.cogentco.com	0
66.28.31.23	—	0
66.28.31.24	—	0
66.28.31.25	fa0-1.na01.b001052-0.iah02.atlas.cogentco.com	0
66.28.31.26	landata-systems.demarc.cogentco.com	0
66.28.31.27	—	0
66.28.31.28	—	0
66.28.31.29	—	0
66.28.31.30	—	0
66.28.31.31	—	0
66.28.31.32	—	0
66.28.31.33	se3-1-13-0.ca01.dca01.atlas.cogentco.com	0
66.28.31.34	swankaudiovisual.demarc.cogentco.com	0
66.28.31.35	—	0
66.28.31.36	—	0
66.28.31.37	gi0-0-0-19.202.nr11.b001142-0.jfk02.atlas.cogentco.com	0
66.28.31.38	aetos_capital.demarc.cogentco.com	0
66.28.31.39	—	0
66.28.31.40	—	0
66.28.31.41	—	0
66.28.31.42	—	0
66.28.31.43	—	0
66.28.31.44	—	0
66.28.31.45	se3-1-5-0.ca01.jfk04.atlas.cogentco.com	0
66.28.31.46	mdrc.demarc.cogentco.com	0
66.28.31.47	—	0
66.28.31.48	—	0
66.28.31.49	—	0
66.28.31.50	—	0
66.28.31.51	—	0
66.28.31.52	—	0
66.28.31.53	—	0
66.28.31.54	—	0
66.28.31.55	—	0
66.28.31.56	—	0
66.28.31.57	fa0-2.na01.b000326-2.dfw03.atlas.cogentco.com	0
66.28.31.58	hines.demarc.cogentco.com	0
66.28.31.59	—	0
66.28.31.60	—	0
66.28.31.61	gi0-0-0-19.201.nr11.b006618-1.sea01.atlas.cogentco.com	0
66.28.31.62	blue_nile.demarc.cogentco.com	0
66.28.31.63	—	0
66.28.31.64	—	0
66.28.31.65	—	0
66.28.31.66	—	0
66.28.31.67	—	0
66.28.31.68	—	0
66.28.31.69	fa0-2.na01.b000657-0.ord01.atlas.cogentco.com	0
66.28.31.70	drwholdings.demarc.cogentco.com	0
66.28.31.71	—	0
66.28.31.72	—	0
66.28.31.73	f5.ba01.b001035-1.iah01.atlas.cogentco.com	0
66.28.31.74	alphainternet.demarc.cogentco.com	0
66.28.31.75	—	0
66.28.31.76	—	0
66.28.31.77	te0-1-0-35.rcr21.iad03.atlas.cogentco.com	0
66.28.31.78	te0-0-2-0.route-server.iad03.atlas.cogentco.com	0
66.28.31.79	—	0
66.28.31.80	—	0
66.28.31.81	g0-0_99.core01.dfw01.atlas.cogentco.com	0
66.28.31.82	—	0
66.28.31.83	—	0
66.28.31.84	—	0
66.28.31.85	—	0
66.28.31.86	—	0
66.28.31.87	—	0
66.28.31.88	—	0
66.28.31.89	g3-9.core02.dfw01.atlas.cogentco.com	0
66.28.31.90	g1-0.pr1.dfw01.netrail.net	0
66.28.31.91	—	0
66.28.31.92	—	0
66.28.31.93	—	0
66.28.31.94	—	0
66.28.31.95	—	0
66.28.31.96	—	0
66.28.31.97	fa0-2.na01.b001696-0.sea01.atlas.cogentco.com	0
66.28.31.98	seanet.demarc.cogentco.com	0
66.28.31.99	—	0
66.28.31.100	—	0
66.28.31.101	f28.ba02.b000268-0.ord01.atlas.cogentco.com	0
66.28.31.102	f0-1.na01.b000268-0.ord01.atlas.cogentco.com	0
66.28.31.103	—	0
66.28.31.104	—	0
66.28.31.105	gi0-0-0-18.202.nr11.b001052-0.iah02.atlas.cogentco.com	0
66.28.31.106	—	0
66.28.31.107	—	0
66.28.31.108	—	0
66.28.31.109	—	0
66.28.31.110	—	0
66.28.31.111	—	0
66.28.31.112	—	0
66.28.31.113	gi100-0-0-38.1056.nr61.b014476-2.iad02.atlas.cogentco.com	0
66.28.31.114	fa0-1.1056.oob01.dev01.atlas.cogentco.com	0
66.28.31.115	—	0
66.28.31.116	—	0
66.28.31.117	—	0
66.28.31.118	—	0
66.28.31.119	—	0
66.28.31.120	—	0
66.28.31.121	—	0
66.28.31.122	—	0
66.28.31.123	—	0
66.28.31.124	—	0
66.28.31.125	gi0-0-0-3.nr11.b003003-1.phl03.atlas.cogentco.com	0
66.28.31.126	netcarrier.demarc.cogentco.com	0
66.28.31.127	—	0
66.28.31.128	equinix.demarc.cogentco.com	0
66.28.31.129	gi0-0-0-19.201.nr11.b007215-0.sea02.atlas.cogentco.com	0
66.28.31.130	ex.rtr01.sea02.us.corp.cogentco.com	0
66.28.31.131	—	0
66.28.31.132	—	0
66.28.31.133	—	0
66.28.31.134	—	0
66.28.31.135	—	0
66.28.31.136	—	0
66.28.31.137	—	0
66.28.31.138	kcnap.demarc.cogentco.com	0
66.28.31.139	—	0
66.28.31.140	—	0
66.28.31.141	—	0
66.28.31.142	—	0
66.28.31.143	—	0
66.28.31.144	—	0
66.28.31.145	—	0
66.28.31.146	—	0
66.28.31.147	—	0
66.28.31.148	—	0
66.28.31.149	—	0
66.28.31.150	—	0
66.28.31.151	—	0
66.28.31.152	—	0
66.28.31.153	fa0-2.na01.b000368-0.ord01.atlas.cogentco.com	0
66.28.31.154	mckinsey.demarc.cogentco.com	0
66.28.31.155	—	0
66.28.31.156	—	0
66.28.31.157	f21.ba01.b001703-3.sea01.atlas.cogentco.com	0
66.28.31.158	columbia_energy_pocketinet_communications.demarc.cogentco.com	0
66.28.31.159	—	0
66.28.31.160	—	0
66.28.31.161	fa0-2.na01.b004247-0.dca01.atlas.cogentco.com	0
66.28.31.162	enterpriseinfoservices.demarc.cogentco.com	0
66.28.31.163	—	0
66.28.31.164	—	0
66.28.31.165	—	0
66.28.31.166	—	0
66.28.31.167	—	0
66.28.31.168	—	0
66.28.31.169	gi0-11.na21.b006590-1.san01.atlas.cogentco.com	0
66.28.31.170	—	0
66.28.31.171	—	0
66.28.31.172	—	0
66.28.31.173	gi0-0-0-11.agr21.jfk02.atlas.cogentco.com	0
66.28.31.174	blackstone_group.demarc.cogentco.com	0
66.28.31.175	—	0
66.28.31.176	—	0
66.28.31.177	f13.ba01.b000764-0.lax01.atlas.cogentco.com	0
66.28.31.178	airlinereservations_com.demarc.cogentco.com	0
66.28.31.179	—	0
66.28.31.180	—	0
66.28.31.181	—	0
66.28.31.182	—	0
66.28.31.183	—	0
66.28.31.184	—	0
66.28.31.185	fa0-5.na01.b000326-0.dfw05.atlas.cogentco.com	0
66.28.31.186	speedhost_com.demarc.cogentco.com	0
66.28.31.187	—	0
66.28.31.188	—	0
66.28.31.189	se4-1-20-0.ca03.dca01.atlas.cogentco.com	0
66.28.31.190	paraboncomputation.demarc.cogentco.com	0
66.28.31.191	—	0
66.28.31.192	—	0
66.28.31.193	se5-0-12-0.ca01.iad01.atlas.cogentco.com	0
66.28.31.194	trimble.dmarc.cogentco.com	0
66.28.31.195	—	0
66.28.31.196	—	0
66.28.31.197	g0-10.na21.b000173-0.atl01.atlas.cogentco.com	0
66.28.31.198	the-server.demarc.cogentco.com	0
66.28.31.199	—	0
66.28.31.200	—	0
66.28.31.201	fa0-4.na01.b000345-0.ord01.atlas.cogentco.com	0
66.28.31.202	microtechtrainingctr.demarc.cogentco.com	0
66.28.31.203	—	0
66.28.31.204	—	0
66.28.31.205	—	0
66.28.31.206	michaelvanvalkenburgh.demarc.cogentco.com	0
66.28.31.207	—	0
66.28.31.208	—	0
66.28.31.209	f3-35.hc03.iad03.atlas.cogentco.com	0
66.28.31.210	iiss.demarc.cogentco.com	0
66.28.31.211	—	0
66.28.31.212	—	0
66.28.31.213	—	0
66.28.31.214	—	0
66.28.31.215	—	0
66.28.31.216	—	0
66.28.31.217	—	0
66.28.31.218	—	0
66.28.31.219	—	0
66.28.31.220	—	0
66.28.31.221	fa0-13.na01.b003123-1.sjc04.atlas.cogentco.com	0
66.28.31.222	ip_exchange_party.demarc.cogentco.com	0
66.28.31.223	—	0
66.28.31.224	—	0
66.28.31.225	—	0
66.28.31.226	—	0
66.28.31.227	—	0
66.28.31.228	—	0
66.28.31.229	f0-15.na01.b003123-1.sfo01.atlas.cogentco.com	0
66.28.31.230	stanford_university.demarc.cogentco.com	0
66.28.31.231	—	0
66.28.31.232	—	0
66.28.31.233	gi0-9.na22.b001202-3.lax01.atlas.cogentco.com	0
66.28.31.234	vitalix.demarc.cogentco.com	0
66.28.31.235	—	0
66.28.31.236	—	0
66.28.31.237	f1.ba01.b003597-1.bos01.atlas.cogentco.com	0
66.28.31.238	mediapoint.demarc.cogentco.com	0
66.28.31.239	—	0
66.28.31.240	—	0
66.28.31.241	gi0-0-0-18.201.nr11.b006440-1.jfk01.atlas.cogentco.com	0
66.28.31.242	safezonenetwork.demarc.cogentco.com	0
66.28.31.243	—	0
66.28.31.244	—	0
66.28.31.245	fa0-1.na01.b001453-0.jfk02.atlas.cogentco.com	0
66.28.31.246	—	0
66.28.31.247	—	0
66.28.31.248	—	0
66.28.31.249	f0-2.na01.b007327-0.bos01.atlas.cogentco.com	0
66.28.31.250	bostonbeercompany.demarc.cogentco.com	0
66.28.31.251	—	0
66.28.31.252	—	0
66.28.31.253	gi0-0-0-18.201.nr11.b000413-0.dfw01.atlas.cogentco.com	0
66.28.31.254	hostnet.demarc.cogentco.com	0
66.28.31.255	—	0

Traceroute

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

traceroute -a -n -q1 -f5 66.28.31.173

traceroute to 66.28.31.173 (66.28.31.173): 64 hops max, 52 byte packets

5 [AS174] 154.54.3.9 1.377 ms

6 [AS174] 66.28.31.173 0.71 ms

Measurement taken from

IPinfo ProbeNet in New York City, US

On January 9th 2026