Summary

ASN	AS9367 Institute of Science Tokyo
BGP	131.112.0.0/16
IPs with RDNS	91
Hosted Domains	0
Pingable IPs	0
Router IPs	0


131.112.174.0	titpinet1.pi.titech.ac.jp	0
131.112.174.1	pi0net-gw0.pi.titech.ac.jp	0
131.112.174.2	pi0net-gw1.pi.titech.ac.jp	0
131.112.174.3	pi0net-gw2.pi.titech.ac.jp	0
131.112.174.4	—	0
131.112.174.5	—	0
131.112.174.6	pisw-root.pi.titech.ac.jp	0
131.112.174.7	pisw7f.pi.titech.ac.jp	0
131.112.174.8	pisw8f.pi.titech.ac.jp	0
131.112.174.9	pisw9f.pi.titech.ac.jp	0
131.112.174.10	—	0
131.112.174.11	—	0
131.112.174.12	—	0
131.112.174.13	—	0
131.112.174.14	—	0
131.112.174.15	—	0
131.112.174.16	—	0
131.112.174.17	—	0
131.112.174.18	—	0
131.112.174.19	—	0
131.112.174.20	—	0
131.112.174.21	—	0
131.112.174.22	—	0
131.112.174.23	vcsel-gw.pi.titech.ac.jp	0
131.112.174.24	g-coe-gw.pi.titech.ac.jp	0
131.112.174.25	johnny.pi.titech.ac.jp	0
131.112.174.26	photo-gw.pi.titech.ac.jp	0
131.112.174.27	opto-gw.pi.titech.ac.jp	0
131.112.174.28	—	0
131.112.174.29	—	0
131.112.174.30	cns4.pi.titech.ac.jp	0
131.112.174.31	—	0
131.112.174.32	—	0
131.112.174.33	—	0
131.112.174.34	—	0
131.112.174.35	ames-gw.pi.titech.ac.jp	0
131.112.174.36	—	0
131.112.174.37	—	0
131.112.174.38	—	0
131.112.174.39	kengw.pi.titech.ac.jp	0
131.112.174.40	—	0
131.112.174.41	bazille.pi.titech.ac.jp	0
131.112.174.42	—	0
131.112.174.43	miro.pi.titech.ac.jp	0
131.112.174.44	—	0
131.112.174.45	micro1.pi.titech.ac.jp	0
131.112.174.46	micro2.pi.titech.ac.jp	0
131.112.174.47	—	0
131.112.174.48	—	0
131.112.174.49	—	0
131.112.174.50	—	0
131.112.174.51	cns2.pi.titech.ac.jp	0
131.112.174.52	oku-gw.pi.titech.ac.jp	0
131.112.174.53	distv-lr.pi.titech.ac.jp	0
131.112.174.54	—	0
131.112.174.55	zhang-gw.pi.titech.ac.jp	0
131.112.174.56	su.pi.titech.ac.jp	0
131.112.174.57	gogh.pi.titech.ac.jp	0
131.112.174.58	rothko.pi.titech.ac.jp	0
131.112.174.59	ueha-gw.pi.titech.ac.jp	0
131.112.174.60	ray.pi.titech.ac.jp	0
131.112.174.61	cns.pi.titech.ac.jp	0
131.112.174.62	distv-hi-k.pi.titech.ac.jp	0
131.112.174.63	titpinet1-bc.pi.titech.ac.jp	0
131.112.174.64	titpinet2.pi.titech.ac.jp	0
131.112.174.65	pi64net-gw0.pi.titech.ac.jp	0
131.112.174.66	pi64net-gw1.pi.titech.ac.jp	0
131.112.174.67	zenigata.pi.titech.ac.jp	0
131.112.174.68	pi64net-gw2.pi.titech.ac.jp	0
131.112.174.69	ibuki.pi.titech.ac.jp	0
131.112.174.70	—	0
131.112.174.71	ames-kari.pi.titech.ac.jp	0
131.112.174.72	nt.pi.titech.ac.jp	0
131.112.174.73	—	0
131.112.174.74	cns5.pi.titech.ac.jp	0
131.112.174.75	cns0.pi.titech.ac.jp	0
131.112.174.76	gear1.pi.titech.ac.jp	0
131.112.174.77	polycom-mech1.pi.titech.ac.jp	0
131.112.174.78	director.pi.titech.ac.jp	0
131.112.174.79	—	0
131.112.174.80	—	0
131.112.174.81	—	0
131.112.174.82	—	0
131.112.174.83	—	0
131.112.174.84	—	0
131.112.174.85	—	0
131.112.174.86	—	0
131.112.174.87	pisw4f.pi.titech.ac.jp	0
131.112.174.88	distv-hi-s.pi.titech.ac.jp	0
131.112.174.89	—	0
131.112.174.90	distv-cs.pi.titech.ac.jp	0
131.112.174.91	haselab.hi.pi.titech.ac.jp	0
131.112.174.92	—	0
131.112.174.93	—	0
131.112.174.94	—	0
131.112.174.95	—	0
131.112.174.96	—	0
131.112.174.97	—	0
131.112.174.98	msrc-gw.pi.titech.ac.jp	0
131.112.174.99	—	0
131.112.174.100	—	0
131.112.174.101	—	0
131.112.174.102	pisw5f.pi.titech.ac.jp	0
131.112.174.103	pisw6f.pi.titech.ac.jp	0
131.112.174.104	—	0
131.112.174.105	—	0
131.112.174.106	—	0
131.112.174.107	—	0
131.112.174.108	pisw-b.pi.titech.ac.jp	0
131.112.174.109	pisw-c.pi.titech.ac.jp	0
131.112.174.110	flucome.pi.titech.ac.jp	0
131.112.174.111	pisw-root.pi.titech.ac.jp	0
131.112.174.112	—	0
131.112.174.113	—	0
131.112.174.114	—	0
131.112.174.115	—	0
131.112.174.116	—	0
131.112.174.117	—	0
131.112.174.118	—	0
131.112.174.119	—	0
131.112.174.120	—	0
131.112.174.121	—	0
131.112.174.122	—	0
131.112.174.123	—	0
131.112.174.124	—	0
131.112.174.125	—	0
131.112.174.126	—	0
131.112.174.127	titpinet2-bc.pi.titech.ac.jp	0
131.112.174.128	titpinet3.pi.titech.ac.jp	0
131.112.174.129	pi128net-gw0.pi.titech.ac.jp	0
131.112.174.130	pi128net-gw1.pi.titech.ac.jp	0
131.112.174.131	horienet-gw.pi.titech.ac.jp	0
131.112.174.132	—	0
131.112.174.133	pi128net-gw2.pi.titech.ac.jp	0
131.112.174.134	tech-gw.pi.titech.ac.jp	0
131.112.174.135	piswb1f.pi.titech.ac.jp	0
131.112.174.136	pisw-a.pi.titech.ac.jp	0
131.112.174.137	kojoh-gw.pi.titech.ac.jp	0
131.112.174.138	polycom1f.pi.titech.ac.jp	0
131.112.174.139	—	0
131.112.174.140	db.pi.titech.ac.jp	0
131.112.174.141	ocs1.pi.titech.ac.jp	0
131.112.174.142	ocs2.pi.titech.ac.jp	0
131.112.174.143	ocs3.pi.titech.ac.jp	0
131.112.174.144	ocs4.pi.titech.ac.jp	0
131.112.174.145	nanosv1.pi.titech.ac.jp	0
131.112.174.146	nanosv4.pi.titech.ac.jp	0
131.112.174.147	—	0
131.112.174.148	—	0
131.112.174.149	nanosv2.pi.titech.ac.jp	0
131.112.174.150	distv-meds.pi.titech.ac.jp	0
131.112.174.151	—	0
131.112.174.152	pmesvr2.pi.titech.ac.jp	0
131.112.174.153	pmesvr3.pi.titech.ac.jp	0
131.112.174.154	—	0
131.112.174.155	nis.titech.ac.jp	0
131.112.174.156	—	0
131.112.174.157	—	0
131.112.174.158	—	0
131.112.174.159	—	0
131.112.174.160	—	0
131.112.174.161	—	0
131.112.174.162	nanosv3.pi.titech.ac.jp	0
131.112.174.163	—	0
131.112.174.164	—	0
131.112.174.165	—	0
131.112.174.166	—	0
131.112.174.167	—	0
131.112.174.168	—	0
131.112.174.169	—	0
131.112.174.170	—	0
131.112.174.171	—	0
131.112.174.172	—	0
131.112.174.173	—	0
131.112.174.174	—	0
131.112.174.175	pisw-root.pi.titech.ac.jp	0
131.112.174.176	pisw2f.pi.titech.ac.jp	0
131.112.174.177	piyokota-sv.pi.titech.ac.jp	0
131.112.174.178	—	0
131.112.174.179	—	0
131.112.174.180	—	0
131.112.174.181	—	0
131.112.174.182	—	0
131.112.174.183	—	0
131.112.174.184	pisw3f.pi.titech.ac.jp	0
131.112.174.185	—	0
131.112.174.186	—	0
131.112.174.187	—	0
131.112.174.188	—	0
131.112.174.189	—	0
131.112.174.190	—	0
131.112.174.191	titpinet3-bc.pi.titech.ac.jp	0
131.112.174.192	titpi-crlnet.pi.titech.ac.jp	0
131.112.174.193	pi192net-gw0.pi.titech.ac.jp	0
131.112.174.194	pi192net-gw1.pi.titech.ac.jp	0
131.112.174.195	pi192net-gw2.pi.titech.ac.jp	0
131.112.174.196	—	0
131.112.174.197	—	0
131.112.174.198	—	0
131.112.174.199	—	0
131.112.174.200	—	0
131.112.174.201	cns3.pi.titech.ac.jp	0
131.112.174.202	—	0
131.112.174.203	—	0
131.112.174.204	—	0
131.112.174.205	—	0
131.112.174.206	—	0
131.112.174.207	—	0
131.112.174.208	—	0
131.112.174.209	—	0
131.112.174.210	—	0
131.112.174.211	—	0
131.112.174.212	—	0
131.112.174.213	—	0
131.112.174.214	—	0
131.112.174.215	—	0
131.112.174.216	—	0
131.112.174.217	—	0
131.112.174.218	—	0
131.112.174.219	—	0
131.112.174.220	—	0
131.112.174.221	—	0
131.112.174.222	—	0
131.112.174.223	—	0
131.112.174.224	—	0
131.112.174.225	—	0
131.112.174.226	—	0
131.112.174.227	—	0
131.112.174.228	—	0
131.112.174.229	—	0
131.112.174.230	—	0
131.112.174.231	—	0
131.112.174.232	—	0
131.112.174.233	—	0
131.112.174.234	—	0
131.112.174.235	—	0
131.112.174.236	—	0
131.112.174.237	—	0
131.112.174.238	—	0
131.112.174.239	—	0
131.112.174.240	—	0
131.112.174.241	—	0
131.112.174.242	—	0
131.112.174.243	—	0
131.112.174.244	—	0
131.112.174.245	—	0
131.112.174.246	—	0
131.112.174.247	—	0
131.112.174.248	—	0
131.112.174.249	—	0
131.112.174.250	—	0
131.112.174.251	—	0
131.112.174.252	—	0
131.112.174.253	—	0
131.112.174.254	—	0
131.112.174.255	titpi-crlnet-bc.pi.titech.ac.jp	0

Traceroute

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

traceroute -a -n -q1 -m5 131.112.174.32

traceroute to 131.112.174.32 (131.112.174.32): 5 hops max, 52 byte packets

1 [AS136258] 185.213.23.211 0.246 ms

2 [AS56655] 185.125.170.251 0.112 ms

3 *

4 *

5 *

Measurement taken from

IPinfo ProbeNet in Sandefjord, NO

On December 28th 2025