Summary

ASN	AS2907 Research Organization of Information and Systems, National Institute of Informatics
BGP	157.16.0.0/16
IPs with RDNS	76
Hosted Domains	0
Pingable IPs	0
Router IPs	0


157.16.221.0	—	0
157.16.221.1	—	0
157.16.221.2	—	0
157.16.221.3	—	0
157.16.221.4	—	0
157.16.221.5	—	0
157.16.221.6	—	0
157.16.221.7	—	0
157.16.221.8	—	0
157.16.221.9	—	0
157.16.221.10	—	0
157.16.221.11	ebcpnsg.fcn.osakafu-u.ac.jp	0
157.16.221.12	—	0
157.16.221.13	helios.plasma.riast.osakafu-u.ac.jp	0
157.16.221.14	—	0
157.16.221.15	callsv03.las.osakafu-u.ac.jp	0
157.16.221.16	callsv04.las.osakafu-u.ac.jp	0
157.16.221.17	callsv05.las.osakafu-u.ac.jp	0
157.16.221.18	hippocampus.las.osakafu-u.ac.jp	0
157.16.221.19	—	0
157.16.221.20	impweb1.m.cs.osakafu-u.ac.jp	0
157.16.221.21	www.sssrc.aero.osakafu-u.ac.jp	0
157.16.221.22	—	0
157.16.221.23	crl-radar.aero.osakafu-u.ac.jp	0
157.16.221.24	zope.ss.cs.osakafu-u.ac.jp	0
157.16.221.25	www.opt.pe.osakafu-u.ac.jp	0
157.16.221.26	—	0
157.16.221.27	basalt.las.osakafu-u.ac.jp	0
157.16.221.28	—	0
157.16.221.29	fock.c.s.osakafu-u.ac.jp	0
157.16.221.30	control.aero.osakafu-u.ac.jp	0
157.16.221.31	impweb2.m.cs.osakafu-u.ac.jp	0
157.16.221.32	—	0
157.16.221.33	—	0
157.16.221.34	www.astro.s.osakafu-u.ac.jp	0
157.16.221.35	atr-call.sv.las.osakafu-u.ac.jp	0
157.16.221.36	fock2.c.s.osakafu-u.ac.jp	0
157.16.221.37	impvpn2.m.cs.osakafu-u.ac.jp	0
157.16.221.38	kyoindb-inter.acs.osakafu-u.ac.jp	0
157.16.221.39	www.yatai.osakafu-u.ac.jp	0
157.16.221.40	—	0
157.16.221.41	jazz.cias.osakafu-u.ac.jp	0
157.16.221.42	soda.s.osakafu-u.ac.jp	0
157.16.221.43	cango.nursing.osakafu-u.ac.jp	0
157.16.221.44	—	0
157.16.221.45	nurse.nursing.osakafu-u.ac.jp	0
157.16.221.46	—	0
157.16.221.47	—	0
157.16.221.48	—	0
157.16.221.49	—	0
157.16.221.50	—	0
157.16.221.51	—	0
157.16.221.52	pineson3.cs.osakafu-u.ac.jp	0
157.16.221.53	pineson4.cs.osakafu-u.ac.jp	0
157.16.221.54	—	0
157.16.221.55	pine1.m.cs.osakafu-u.ac.jp	0
157.16.221.56	pine2.m.cs.osakafu-u.ac.jp	0
157.16.221.57	pine3.m.cs.osakafu-u.ac.jp	0
157.16.221.58	pine4.m.cs.osakafu-u.ac.jp	0
157.16.221.59	—	0
157.16.221.60	web1.m.cs.osakafu-u.ac.jp	0
157.16.221.61	web2.m.cs.osakafu-u.ac.jp	0
157.16.221.62	web3.m.cs.osakafu-u.ac.jp	0
157.16.221.63	web4.m.cs.osakafu-u.ac.jp	0
157.16.221.64	—	0
157.16.221.65	doh.cs.osakafu-u.ac.jp	0
157.16.221.66	—	0
157.16.221.67	—	0
157.16.221.68	—	0
157.16.221.69	tpol.mis.cs.osakafu-u.ac.jp	0
157.16.221.70	—	0
157.16.221.71	ksweb.mi.s.osakafu-u.ac.jp	0
157.16.221.72	hayalab-server.kis.osakafu-u.ac.jp	0
157.16.221.73	—	0
157.16.221.74	—	0
157.16.221.75	—	0
157.16.221.76	—	0
157.16.221.77	kapu.m.cs.osakafu-u.ac.jp	0
157.16.221.78	—	0
157.16.221.79	mana.m.cs.osakafu-u.ac.jp	0
157.16.221.80	—	0
157.16.221.81	—	0
157.16.221.82	—	0
157.16.221.83	—	0
157.16.221.84	—	0
157.16.221.85	—	0
157.16.221.86	—	0
157.16.221.87	—	0
157.16.221.88	—	0
157.16.221.89	—	0
157.16.221.90	—	0
157.16.221.91	laird.me.osakafu-u.ac.jp	0
157.16.221.92	—	0
157.16.221.93	—	0
157.16.221.94	—	0
157.16.221.95	—	0
157.16.221.96	—	0
157.16.221.97	—	0
157.16.221.98	—	0
157.16.221.99	—	0
157.16.221.100	web5.m.cs.osakafu-u.ac.jp	0
157.16.221.101	web6.m.cs.osakafu-u.ac.jp	0
157.16.221.102	web7.m.cs.osakafu-u.ac.jp	0
157.16.221.103	web8.m.cs.osakafu-u.ac.jp	0
157.16.221.104	web9.m.cs.osakafu-u.ac.jp	0
157.16.221.105	web10.m.cs.osakafu-u.ac.jp	0
157.16.221.106	web11.m.cs.osakafu-u.ac.jp	0
157.16.221.107	web12.m.cs.osakafu-u.ac.jp	0
157.16.221.108	web13.m.cs.osakafu-u.ac.jp	0
157.16.221.109	web14.m.cs.osakafu-u.ac.jp	0
157.16.221.110	web15.m.cs.osakafu-u.ac.jp	0
157.16.221.111	pine5.m.cs.osakafu-u.ac.jp	0
157.16.221.112	pine6.m.cs.osakafu-u.ac.jp	0
157.16.221.113	pine7.m.cs.osakafu-u.ac.jp	0
157.16.221.114	pine8.m.cs.osakafu-u.ac.jp	0
157.16.221.115	pine9.m.cs.osakafu-u.ac.jp	0
157.16.221.116	pine10.m.cs.osakafu-u.ac.jp	0
157.16.221.117	pine11.m.cs.osakafu-u.ac.jp	0
157.16.221.118	pine12.m.cs.osakafu-u.ac.jp	0
157.16.221.119	pine13.m.cs.osakafu-u.ac.jp	0
157.16.221.120	pine14.m.cs.osakafu-u.ac.jp	0
157.16.221.121	pine15.m.cs.osakafu-u.ac.jp	0
157.16.221.122	pineson5.m.cs.osakafu-u.ac.jp	0
157.16.221.123	pineson6.m.cs.osakafu-u.ac.jp	0
157.16.221.124	pineson7.m.cs.osakafu-u.ac.jp	0
157.16.221.125	pineson8.m.cs.osakafu-u.ac.jp	0
157.16.221.126	pineson9.m.cs.osakafu-u.ac.jp	0
157.16.221.127	pineson10.m.cs.osakafu-u.ac.jp	0
157.16.221.128	pineson11.m.cs.osakafu-u.ac.jp	0
157.16.221.129	pineson12.m.cs.osakafu-u.ac.jp	0
157.16.221.130	pineson13.m.cs.osakafu-u.ac.jp	0
157.16.221.131	pineson14.m.cs.osakafu-u.ac.jp	0
157.16.221.132	pineson15.m.cs.osakafu-u.ac.jp	0
157.16.221.133	pi-ko1.m.cs.osakafu-u.ac.jp	0
157.16.221.134	—	0
157.16.221.135	—	0
157.16.221.136	—	0
157.16.221.137	—	0
157.16.221.138	—	0
157.16.221.139	—	0
157.16.221.140	—	0
157.16.221.141	—	0
157.16.221.142	—	0
157.16.221.143	—	0
157.16.221.144	—	0
157.16.221.145	—	0
157.16.221.146	—	0
157.16.221.147	—	0
157.16.221.148	—	0
157.16.221.149	—	0
157.16.221.150	—	0
157.16.221.151	—	0
157.16.221.152	—	0
157.16.221.153	—	0
157.16.221.154	—	0
157.16.221.155	—	0
157.16.221.156	—	0
157.16.221.157	—	0
157.16.221.158	—	0
157.16.221.159	—	0
157.16.221.160	—	0
157.16.221.161	—	0
157.16.221.162	—	0
157.16.221.163	—	0
157.16.221.164	—	0
157.16.221.165	—	0
157.16.221.166	—	0
157.16.221.167	—	0
157.16.221.168	—	0
157.16.221.169	—	0
157.16.221.170	—	0
157.16.221.171	—	0
157.16.221.172	—	0
157.16.221.173	—	0
157.16.221.174	—	0
157.16.221.175	—	0
157.16.221.176	—	0
157.16.221.177	—	0
157.16.221.178	—	0
157.16.221.179	—	0
157.16.221.180	—	0
157.16.221.181	—	0
157.16.221.182	—	0
157.16.221.183	—	0
157.16.221.184	—	0
157.16.221.185	—	0
157.16.221.186	—	0
157.16.221.187	—	0
157.16.221.188	—	0
157.16.221.189	—	0
157.16.221.190	—	0
157.16.221.191	—	0
157.16.221.192	—	0
157.16.221.193	—	0
157.16.221.194	—	0
157.16.221.195	—	0
157.16.221.196	—	0
157.16.221.197	—	0
157.16.221.198	—	0
157.16.221.199	—	0
157.16.221.200	—	0
157.16.221.201	—	0
157.16.221.202	—	0
157.16.221.203	—	0
157.16.221.204	—	0
157.16.221.205	—	0
157.16.221.206	—	0
157.16.221.207	—	0
157.16.221.208	—	0
157.16.221.209	—	0
157.16.221.210	—	0
157.16.221.211	—	0
157.16.221.212	—	0
157.16.221.213	—	0
157.16.221.214	—	0
157.16.221.215	—	0
157.16.221.216	—	0
157.16.221.217	—	0
157.16.221.218	—	0
157.16.221.219	—	0
157.16.221.220	—	0
157.16.221.221	—	0
157.16.221.222	—	0
157.16.221.223	—	0
157.16.221.224	—	0
157.16.221.225	—	0
157.16.221.226	—	0
157.16.221.227	—	0
157.16.221.228	—	0
157.16.221.229	—	0
157.16.221.230	—	0
157.16.221.231	—	0
157.16.221.232	—	0
157.16.221.233	—	0
157.16.221.234	—	0
157.16.221.235	—	0
157.16.221.236	—	0
157.16.221.237	—	0
157.16.221.238	—	0
157.16.221.239	—	0
157.16.221.240	—	0
157.16.221.241	—	0
157.16.221.242	—	0
157.16.221.243	—	0
157.16.221.244	—	0
157.16.221.245	—	0
157.16.221.246	—	0
157.16.221.247	—	0
157.16.221.248	—	0
157.16.221.249	—	0
157.16.221.250	—	0
157.16.221.251	—	0
157.16.221.252	—	0
157.16.221.253	—	0
157.16.221.254	—	0
157.16.221.255	—	0

Traceroute

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

traceroute -a -n -q1 -f4 -m8 157.16.221.170

traceroute to 157.16.221.170 (157.16.221.170): 8 hops max, 52 byte packets

4 [] 101.203.89.206 33.304 ms

5 [AS2907] 150.99.18.88 37.929 ms

6 *

7 *

8 *

Measurement taken from

IPinfo ProbeNet in Seoul, KR

On December 14th 2025