AS23793 National Institute of Advanced Industrial Science and Technology

AIST - National Institute of Advanced Industrial Science and Technology · registered in Japan

IPv4 addresses199,93630 prefixes · 0.006% of announced IPv4

Rank in Japan#47largest network in JP by IPv4 space, of 724 · 0.12% of JP

Rank worldwide#1,086of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryJapan745 ASNs registered there

Open AS23793 in ASN lookup Look up an IP in this network (150.18.0.1) All networks in Japan

IPv4 prefixes

All 30 prefixes, in address order.

150.18.0.0/22
150.18.4.0/23
150.18.6.0/24
150.18.7.0/24
150.18.8.0/21
150.18.16.0/20
150.18.32.0/19
150.18.64.0/18
150.18.128.0/24
150.18.129.0/29
150.18.129.8/29
150.18.129.16/28
150.18.129.32/27
150.18.129.64/26
150.18.129.128/25
150.18.130.0/23
150.18.132.0/22
150.18.136.0/21
150.18.144.0/20
150.18.160.0/19
150.18.192.0/18
150.29.0.0/16
150.82.0.0/16
192.31.198.0/23
192.31.200.0/22
192.31.204.0/23
192.31.206.0/24
192.33.135.0/24
192.50.73.0/24
192.218.230.0/23

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AS7514#49 MEX - Computer Engineering & Consulting, Ltd.192,000

AS17698#50 CCNET-NET - COMMUNITY NETWORK CENTER INCORPORATED.174,080

IP-to-ASN data: iptoasn.com (public domain). Snapshot downloaded 2026-11-11, refreshed daily. Ranges are what each network announces in BGP, not registry allocations. Data sources