AS23799 National Defense Academy

NDA - National Defense Academy · registered in Japan

IPv4 addresses1,0242 prefixes · <0.001% of announced IPv4

Rank in Japan#545largest network in JP by IPv4 space, of 724 · <0.01% of JP

Rank worldwide#36,762of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryJapan745 ASNs registered there

Open AS23799 in ASN lookup Look up an IP in this network (202.25.82.1) All networks in Japan

IPv4 prefixes

All 2 prefixes, in address order.

202.25.82.0/23
202.25.84.0/23

Similar-sized networks in Japan

ASNNameIPv4 addresses

AS18091#542 TEIKYO-U - Teikyo University1,024

AS18279#543 BUKKYO-U - Bukkyo University1,024

AS18289#544 TAO_TORONTO - AT&T TAO Cloud Access Node1,024

AS23826#546 DAIDO-IT - Daido University1,024

AS37893#547 TRADEWEB-TKO - Tradeweb Japan1,024

AS55378#548 QUICK-YCCNET - QUICK Corp.1,024

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