Summary

ASN	AS12423 Nicolaus Copernicus University in Torun
BGP	158.75.0.0/17
IPs with RDNS	65
Hosted Domains	0
Pingable IPs	35
Router IPs	0


158.75.53.0	—	0
158.75.53.1	—	0
158.75.53.2	—	0
158.75.53.3	—	0
158.75.53.4	158-75-53-4.staff.eduroam.umk.pl	0
158.75.53.5	—	0
158.75.53.6	—	0
158.75.53.7	—	0
158.75.53.8	—	0
158.75.53.9	—	0
158.75.53.10	158-75-53-10.staff.eduroam.umk.pl	0
158.75.53.11	158-75-53-11.staff.eduroam.umk.pl	0
158.75.53.12	—	0
158.75.53.13	—	0
158.75.53.14	—	0
158.75.53.15	—	0
158.75.53.16	158-75-53-16.staff.eduroam.umk.pl	0
158.75.53.17	—	0
158.75.53.18	—	0
158.75.53.19	—	0
158.75.53.20	158-75-53-20.staff.eduroam.umk.pl	0
158.75.53.21	158-75-53-21.staff.eduroam.umk.pl	0
158.75.53.22	—	0
158.75.53.23	158-75-53-23.staff.eduroam.umk.pl	0
158.75.53.24	158-75-53-24.staff.eduroam.umk.pl	0
158.75.53.25	—	0
158.75.53.26	158-75-53-26.staff.eduroam.umk.pl	0
158.75.53.27	—	0
158.75.53.28	—	0
158.75.53.29	—	0
158.75.53.30	—	0
158.75.53.31	—	0
158.75.53.32	—	0
158.75.53.33	—	0
158.75.53.34	158-75-53-34.staff.eduroam.umk.pl	0
158.75.53.35	158-75-53-35.staff.eduroam.umk.pl	0
158.75.53.36	—	0
158.75.53.37	—	0
158.75.53.38	158-75-53-38.staff.eduroam.umk.pl	0
158.75.53.39	—	0
158.75.53.40	—	0
158.75.53.41	—	0
158.75.53.42	—	0
158.75.53.43	—	0
158.75.53.44	—	0
158.75.53.45	—	0
158.75.53.46	—	0
158.75.53.47	158-75-53-47.staff.eduroam.umk.pl	0
158.75.53.48	158-75-53-48.staff.eduroam.umk.pl	0
158.75.53.49	158-75-53-49.staff.eduroam.umk.pl	0
158.75.53.50	158-75-53-50.staff.eduroam.umk.pl	0
158.75.53.51	158-75-53-51.staff.eduroam.umk.pl	0
158.75.53.52	—	0
158.75.53.53	158-75-53-53.staff.eduroam.umk.pl	0
158.75.53.54	—	0
158.75.53.55	158-75-53-55.staff.eduroam.umk.pl	0
158.75.53.56	—	0
158.75.53.57	—	0
158.75.53.58	158-75-53-58.staff.eduroam.umk.pl	0
158.75.53.59	158-75-53-59.staff.eduroam.umk.pl	0
158.75.53.60	158-75-53-60.staff.eduroam.umk.pl	0
158.75.53.61	—	0
158.75.53.62	—	0
158.75.53.63	158-75-53-63.staff.eduroam.umk.pl	0
158.75.53.64	—	0
158.75.53.65	—	0
158.75.53.66	—	0
158.75.53.67	—	0
158.75.53.68	—	0
158.75.53.69	—	0
158.75.53.70	—	0
158.75.53.71	—	0
158.75.53.72	—	0
158.75.53.73	158-75-53-73.staff.eduroam.umk.pl	0
158.75.53.74	—	0
158.75.53.75	—	0
158.75.53.76	158-75-53-76.staff.eduroam.umk.pl	0
158.75.53.77	—	0
158.75.53.78	158-75-53-78.staff.eduroam.umk.pl	0
158.75.53.79	158-75-53-79.staff.eduroam.umk.pl	0
158.75.53.80	—	0
158.75.53.81	158-75-53-81.staff.eduroam.umk.pl	0
158.75.53.82	—	0
158.75.53.83	—	0
158.75.53.84	—	0
158.75.53.85	158-75-53-85.staff.eduroam.umk.pl	0
158.75.53.86	—	0
158.75.53.87	—	0
158.75.53.88	—	0
158.75.53.89	158-75-53-89.staff.eduroam.umk.pl	0
158.75.53.90	—	0
158.75.53.91	158-75-53-91.staff.eduroam.umk.pl	0
158.75.53.92	—	0
158.75.53.93	—	0
158.75.53.94	—	0
158.75.53.95	—	0
158.75.53.96	—	0
158.75.53.97	—	0
158.75.53.98	—	0
158.75.53.99	—	0
158.75.53.100	—	0
158.75.53.101	—	0
158.75.53.102	158-75-53-102.staff.eduroam.umk.pl	0
158.75.53.103	—	0
158.75.53.104	—	0
158.75.53.105	—	0
158.75.53.106	—	0
158.75.53.107	—	0
158.75.53.108	—	0
158.75.53.109	158-75-53-109.staff.eduroam.umk.pl	0
158.75.53.110	—	0
158.75.53.111	—	0
158.75.53.112	—	0
158.75.53.113	—	0
158.75.53.114	158-75-53-114.staff.eduroam.umk.pl	0
158.75.53.115	—	0
158.75.53.116	158-75-53-116.staff.eduroam.umk.pl	0
158.75.53.117	158-75-53-117.staff.eduroam.umk.pl	0
158.75.53.118	—	0
158.75.53.119	—	0
158.75.53.120	—	0
158.75.53.121	—	0
158.75.53.122	—	0
158.75.53.123	—	0
158.75.53.124	—	0
158.75.53.125	—	0
158.75.53.126	—	0
158.75.53.127	—	0
158.75.53.128	—	0
158.75.53.129	—	0
158.75.53.130	—	0
158.75.53.131	—	0
158.75.53.132	—	0
158.75.53.133	—	0
158.75.53.134	158-75-53-134.staff.eduroam.umk.pl	0
158.75.53.135	—	0
158.75.53.136	—	0
158.75.53.137	158-75-53-137.staff.eduroam.umk.pl	0
158.75.53.138	158-75-53-138.staff.eduroam.umk.pl	0
158.75.53.139	—	0
158.75.53.140	158-75-53-140.staff.eduroam.umk.pl	0
158.75.53.141	—	0
158.75.53.142	—	0
158.75.53.143	—	0
158.75.53.144	—	0
158.75.53.145	—	0
158.75.53.146	—	0
158.75.53.147	—	0
158.75.53.148	—	0
158.75.53.149	—	0
158.75.53.150	—	0
158.75.53.151	—	0
158.75.53.152	—	0
158.75.53.153	158-75-53-153.staff.eduroam.umk.pl	0
158.75.53.154	158-75-53-154.staff.eduroam.umk.pl	0
158.75.53.155	—	0
158.75.53.156	158-75-53-156.staff.eduroam.umk.pl	0
158.75.53.157	—	0
158.75.53.158	—	0
158.75.53.159	—	0
158.75.53.160	—	0
158.75.53.161	—	0
158.75.53.162	158-75-53-162.staff.eduroam.umk.pl	0
158.75.53.163	—	0
158.75.53.164	—	0
158.75.53.165	158-75-53-165.staff.eduroam.umk.pl	0
158.75.53.166	—	0
158.75.53.167	—	0
158.75.53.168	—	0
158.75.53.169	—	0
158.75.53.170	—	0
158.75.53.171	158-75-53-171.staff.eduroam.umk.pl	0
158.75.53.172	—	0
158.75.53.173	158-75-53-173.staff.eduroam.umk.pl	0
158.75.53.174	158-75-53-174.staff.eduroam.umk.pl	0
158.75.53.175	—	0
158.75.53.176	—	0
158.75.53.177	—	0
158.75.53.178	—	0
158.75.53.179	158-75-53-179.staff.eduroam.umk.pl	0
158.75.53.180	158-75-53-180.staff.eduroam.umk.pl	0
158.75.53.181	—	0
158.75.53.182	—	0
158.75.53.183	—	0
158.75.53.184	158-75-53-184.staff.eduroam.umk.pl	0
158.75.53.185	—	0
158.75.53.186	—	0
158.75.53.187	—	0
158.75.53.188	158-75-53-188.staff.eduroam.umk.pl	0
158.75.53.189	—	0
158.75.53.190	—	0
158.75.53.191	—	0
158.75.53.192	—	0
158.75.53.193	—	0
158.75.53.194	—	0
158.75.53.195	158-75-53-195.staff.eduroam.umk.pl	0
158.75.53.196	—	0
158.75.53.197	—	0
158.75.53.198	—	0
158.75.53.199	—	0
158.75.53.200	158-75-53-200.staff.eduroam.umk.pl	0
158.75.53.201	—	0
158.75.53.202	—	0
158.75.53.203	—	0
158.75.53.204	—	0
158.75.53.205	—	0
158.75.53.206	—	0
158.75.53.207	—	0
158.75.53.208	—	0
158.75.53.209	—	0
158.75.53.210	—	0
158.75.53.211	—	0
158.75.53.212	—	0
158.75.53.213	158-75-53-213.staff.eduroam.umk.pl	0
158.75.53.214	—	0
158.75.53.215	158-75-53-215.staff.eduroam.umk.pl	0
158.75.53.216	—	0
158.75.53.217	—	0
158.75.53.218	—	0
158.75.53.219	158-75-53-219.staff.eduroam.umk.pl	0
158.75.53.220	—	0
158.75.53.221	158-75-53-221.staff.eduroam.umk.pl	0
158.75.53.222	158-75-53-222.staff.eduroam.umk.pl	0
158.75.53.223	—	0
158.75.53.224	—	0
158.75.53.225	—	0
158.75.53.226	—	0
158.75.53.227	—	0
158.75.53.228	—	0
158.75.53.229	—	0
158.75.53.230	—	0
158.75.53.231	—	0
158.75.53.232	—	0
158.75.53.233	158-75-53-233.staff.eduroam.umk.pl	0
158.75.53.234	158-75-53-234.staff.eduroam.umk.pl	0
158.75.53.235	158-75-53-235.staff.eduroam.umk.pl	0
158.75.53.236	—	0
158.75.53.237	—	0
158.75.53.238	—	0
158.75.53.239	—	0
158.75.53.240	—	0
158.75.53.241	158-75-53-241.staff.eduroam.umk.pl	0
158.75.53.242	—	0
158.75.53.243	158-75-53-243.staff.eduroam.umk.pl	0
158.75.53.244	—	0
158.75.53.245	—	0
158.75.53.246	—	0
158.75.53.247	—	0
158.75.53.248	—	0
158.75.53.249	—	0
158.75.53.250	158-75-53-250.staff.eduroam.umk.pl	0
158.75.53.251	—	0
158.75.53.252	—	0
158.75.53.253	—	0
158.75.53.254	—	0
158.75.53.255	—	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 158.75.53.248

traceroute to 158.75.53.248 (158.75.53.248): 64 hops max, 52 byte packets

5 [AS12423] 158.75.64.81 14.226 ms

6 [AS12423] 158.75.64.82 13.178 ms

7 [AS12423] 158.75.53.248 84.793 ms

Measurement taken from

IPinfo ProbeNet in Warsaw, PL

On December 14th 2025