133.91.254.0/24

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Summary

IP address summary information
ASN	AS23623 — Chuo University
BGP Prefix	133.91.0.0/16
Pingable IPs	34
Routers	10


133.91.254.0	c-net.chuo-u.ac.jp
133.91.254.1	pot-ntt.c.chuo-u.ac.jp	Ping
133.91.254.2	pot-tama.c.chuo-u.ac.jp	Ping
133.91.254.3	pot-riko.c.chuo-u.ac.jp	Ping
133.91.254.4	—
133.91.254.5	pot-ichigaya.c.chuo-u.ac.jp
133.91.254.6	pot-suruga.c.chuo-u.ac.jp
133.91.254.7	pot-waseda.c.chuo-u.ac.jp
133.91.254.8	pot-suginami.c.chuo-u.ac.jp	Ping
133.91.254.9	shirokuma.c.chuo-u.ac.jp
133.91.254.10	pot-fuzoku.c.chuo-u.ac.jp
133.91.254.11	hibari.c.chuo-u.ac.jp	Ping
133.91.254.12	pot-riko2.c.chuo-u.ac.jp	Ping
133.91.254.13	—	Ping
133.91.254.14	kinkuma.c.chuo-u.ac.jp	Ping

Traceroute

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

$ traceroute -a -n -q1 -f5 133.91.254.14

traceroute to 133.91.254.14 (133.91.254.14): 64 hops max, 52 byte packets

5 [] 210.171.224.150 0.905 ms

6 [AS2907] 150.99.11.32 1.311 ms

7 [AS2907] 150.99.180.150 1.501 ms

8 [AS23623] 133.91.254.14 3.953 ms

Measurement taken from

IPinfo ProbeNet in Tokyo, JP

On July 12, 2026

Traceroute

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133.91.254.0/24

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133.91.254.0/24

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