Summary

ASN	AS7509 Hokkaido University
BGP	133.87.0.0/16
IPs with RDNS	62
Hosted Domains	0
Pingable IPs	0
Router IPs	0


133.87.166.0	—	0
133.87.166.1	—	0
133.87.166.2	—	0
133.87.166.3	—	0
133.87.166.4	—	0
133.87.166.5	—	0
133.87.166.6	—	0
133.87.166.7	—	0
133.87.166.8	—	0
133.87.166.9	—	0
133.87.166.10	—	0
133.87.166.11	ruby-sw.eng.hokudai.ac.jp	0
133.87.166.12	—	0
133.87.166.13	—	0
133.87.166.14	—	0
133.87.166.15	—	0
133.87.166.16	—	0
133.87.166.17	—	0
133.87.166.18	—	0
133.87.166.19	—	0
133.87.166.20	docu404-hm.eng.hokudai.ac.jp	0
133.87.166.21	topo-c108.eng.hokudai.ac.jp	0
133.87.166.22	enetera4-ee.eng.hokudai.ac.jp	0
133.87.166.23	—	0
133.87.166.24	pc1323.eng.hokudai.ac.jp	0
133.87.166.25	geop7-er.eng.hokudai.ac.jp	0
133.87.166.26	preng2025.eng.hokudai.ac.jp	0
133.87.166.27	nfam.eng.hokudai.ac.jp	0
133.87.166.28	cadcam-hm.eng.hokudai.ac.jp	0
133.87.166.29	—	0
133.87.166.30	—	0
133.87.166.31	printer-oki-k204-sw.eng.hokudai.ac.jp	0
133.87.166.32	—	0
133.87.166.33	gree2.eng.hokudai.ac.jp	0
133.87.166.34	saturnus.eng.hokudai.ac.jp	0
133.87.166.35	epson-px-c315.eng.hokudai.ac.jp	0
133.87.166.36	form3plus-stl.eng.hokudai.ac.jp	0
133.87.166.37	hypnos.eng.hokudai.ac.jp	0
133.87.166.38	subutu-ap.eng.hokudai.ac.jp	0
133.87.166.39	wr6n-ap.eng.hokudai.ac.jp	0
133.87.166.40	silvanus.eng.hokudai.ac.jp	0
133.87.166.41	uranus-sp.eng.hokudai.ac.jp	0
133.87.166.42	lsilabl111.ist.hokudai.ac.jp	0
133.87.166.43	—	0
133.87.166.44	epson-px-m6011f.eng.hokudai.ac.jp	0
133.87.166.45	adrastea-cfml.eng.hokudai.ac.jp	0
133.87.166.46	ene1038-ee.eng.hokudai.ac.jp	0
133.87.166.47	p72c404-hm.eng.hokudai.ac.jp	0
133.87.166.48	—	0
133.87.166.49	—	0
133.87.166.50	w24-ap.eng.hokudai.ac.jp	0
133.87.166.51	a077.lib.hokudai.ac.jp	0
133.87.166.52	—	0
133.87.166.53	—	0
133.87.166.54	nas1-ap.eng.hokudai.ac.jp	0
133.87.166.55	ssp-ap.eng.hokudai.ac.jp	0
133.87.166.56	urbanairmac20-as.eng.hokudai.ac.jp	0
133.87.166.57	—	0
133.87.166.58	exp48-ap.eng.hokudai.ac.jp	0
133.87.166.59	topo-stm02.eng.hokudai.ac.jp	0
133.87.166.60	w25-ap.eng.hokudai.ac.jp	0
133.87.166.61	europa-sp.eng.hokudai.ac.jp	0
133.87.166.62	—	0
133.87.166.63	p5-ap.eng.hokudai.ac.jp	0
133.87.166.64	—	0
133.87.166.65	amalthea-sp.eng.hokudai.ac.jp	0
133.87.166.66	cfml-aurora.eng.hokudai.ac.jp	0
133.87.166.67	—	0
133.87.166.68	—	0
133.87.166.69	—	0
133.87.166.70	—	0
133.87.166.71	—	0
133.87.166.72	—	0
133.87.166.73	—	0
133.87.166.74	—	0
133.87.166.75	—	0
133.87.166.76	selene-sp.eng.hokudai.ac.jp	0
133.87.166.77	sspprnc-ap.eng.hokudai.ac.jp	0
133.87.166.78	—	0
133.87.166.79	—	0
133.87.166.80	—	0
133.87.166.81	aldebaran-sp.eng.hokudai.ac.jp	0
133.87.166.82	—	0
133.87.166.83	a080.lib.hokudai.ac.jp	0
133.87.166.84	justio-prn-ap.eng.hokudai.ac.jp	0
133.87.166.85	helios-sp.eng.hokudai.ac.jp	0
133.87.166.86	—	0
133.87.166.87	hyperion-sp.eng.hokudai.ac.jp	0
133.87.166.88	—	0
133.87.166.89	—	0
133.87.166.90	—	0
133.87.166.91	—	0
133.87.166.92	—	0
133.87.166.93	—	0
133.87.166.94	—	0
133.87.166.95	—	0
133.87.166.96	—	0
133.87.166.97	—	0
133.87.166.98	w23-ap.eng.hokudai.ac.jp	0
133.87.166.99	—	0
133.87.166.100	—	0
133.87.166.101	—	0
133.87.166.102	—	0
133.87.166.103	—	0
133.87.166.104	—	0
133.87.166.105	—	0
133.87.166.106	—	0
133.87.166.107	—	0
133.87.166.108	—	0
133.87.166.109	—	0
133.87.166.110	ssp-hl5450new-ap.eng.hokudai.ac.jp	0
133.87.166.111	—	0
133.87.166.112	—	0
133.87.166.113	—	0
133.87.166.114	—	0
133.87.166.115	—	0
133.87.166.116	—	0
133.87.166.117	—	0
133.87.166.118	preng08.eng.hokudai.ac.jp	0
133.87.166.119	pcenglib03.eng.hokudai.ac.jp	0
133.87.166.120	—	0
133.87.166.121	buffwxr1900dhp2.eng.hokudai.ac.jp	0
133.87.166.122	—	0
133.87.166.123	—	0
133.87.166.124	serval-chan.eng.hokudai.ac.jp	0
133.87.166.125	—	0
133.87.166.126	—	0
133.87.166.127	—	0
133.87.166.128	—	0
133.87.166.129	lpr40.eng.hokudai.ac.jp	0
133.87.166.130	—	0
133.87.166.131	—	0
133.87.166.132	a078.lib.hokudai.ac.jp	0
133.87.166.133	a079.lib.hokudai.ac.jp	0
133.87.166.134	—	0
133.87.166.135	—	0
133.87.166.136	—	0
133.87.166.137	—	0
133.87.166.138	ene1037-ee.eng.hokudai.ac.jp	0
133.87.166.139	—	0
133.87.166.140	—	0
133.87.166.141	w22-ap.eng.hokudai.ac.jp	0
133.87.166.142	—	0
133.87.166.143	k-printerc511-sw.eng.hokudai.ac.jp	0
133.87.166.144	—	0
133.87.166.145	—	0
133.87.166.146	—	0
133.87.166.147	—	0
133.87.166.148	—	0
133.87.166.149	—	0
133.87.166.150	—	0
133.87.166.151	—	0
133.87.166.152	—	0
133.87.166.153	—	0
133.87.166.154	—	0
133.87.166.155	—	0
133.87.166.156	—	0
133.87.166.157	—	0
133.87.166.158	—	0
133.87.166.159	—	0
133.87.166.160	—	0
133.87.166.161	—	0
133.87.166.162	—	0
133.87.166.163	—	0
133.87.166.164	ene1039-ee.eng.hokudai.ac.jp	0
133.87.166.165	—	0
133.87.166.166	—	0
133.87.166.167	—	0
133.87.166.168	—	0
133.87.166.169	—	0
133.87.166.170	—	0
133.87.166.171	—	0
133.87.166.172	—	0
133.87.166.173	—	0
133.87.166.174	—	0
133.87.166.175	—	0
133.87.166.176	—	0
133.87.166.177	—	0
133.87.166.178	—	0
133.87.166.179	—	0
133.87.166.180	—	0
133.87.166.181	—	0
133.87.166.182	a081.lib.hokudai.ac.jp	0
133.87.166.183	a082.lib.hokudai.ac.jp	0
133.87.166.184	—	0
133.87.166.185	—	0
133.87.166.186	—	0
133.87.166.187	—	0
133.87.166.188	preng06.eng.hokudai.ac.jp	0
133.87.166.189	—	0
133.87.166.190	—	0
133.87.166.191	preng03.eng.hokudai.ac.jp	0
133.87.166.192	b015.lib.hokudai.ac.jp	0
133.87.166.193	—	0
133.87.166.194	p013.lib.hokudai.ac.jp	0
133.87.166.195	—	0
133.87.166.196	—	0
133.87.166.197	—	0
133.87.166.198	—	0
133.87.166.199	—	0
133.87.166.200	—	0
133.87.166.201	—	0
133.87.166.202	—	0
133.87.166.203	—	0
133.87.166.204	—	0
133.87.166.205	—	0
133.87.166.206	—	0
133.87.166.207	—	0
133.87.166.208	—	0
133.87.166.209	—	0
133.87.166.210	—	0
133.87.166.211	—	0
133.87.166.212	—	0
133.87.166.213	—	0
133.87.166.214	—	0
133.87.166.215	—	0
133.87.166.216	—	0
133.87.166.217	—	0
133.87.166.218	—	0
133.87.166.219	—	0
133.87.166.220	—	0
133.87.166.221	—	0
133.87.166.222	—	0
133.87.166.223	—	0
133.87.166.224	—	0
133.87.166.225	—	0
133.87.166.226	—	0
133.87.166.227	—	0
133.87.166.228	—	0
133.87.166.229	—	0
133.87.166.230	—	0
133.87.166.231	—	0
133.87.166.232	—	0
133.87.166.233	—	0
133.87.166.234	—	0
133.87.166.235	—	0
133.87.166.236	—	0
133.87.166.237	—	0
133.87.166.238	—	0
133.87.166.239	—	0
133.87.166.240	—	0
133.87.166.241	—	0
133.87.166.242	—	0
133.87.166.243	—	0
133.87.166.244	—	0
133.87.166.245	—	0
133.87.166.246	—	0
133.87.166.247	—	0
133.87.166.248	—	0
133.87.166.249	—	0
133.87.166.250	—	0
133.87.166.251	—	0
133.87.166.252	—	0
133.87.166.253	—	0
133.87.166.254	—	0
133.87.166.255	—	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 -m6 133.87.166.65

traceroute to 133.87.166.65 (133.87.166.65): 6 hops max, 52 byte packets

3 [AS37722] 169.255.161.112 0.229 ms

4 *

5 *

6 *

Measurement taken from

IPinfo ProbeNet in Ebene, MU

On December 28th 2025