AS17534 NSK Co.,Ltd.

NSK - NSK Co.,Ltd. · registered in Japan

IPv4 addresses94,20823 prefixes · 0.003% of announced IPv4

Rank in Japan#73largest network in JP by IPv4 space, of 724 · 0.06% of JP

Rank worldwide#1,960of 79,396 networks with IPv4

IPv62 x /32 (131,072 x /48)2 prefixes

CountryJapan745 ASNs registered there

Open AS17534 in ASN lookup Look up an IP in this network (14.102.132.1) All networks in Japan

IPv4 prefixes

All 23 prefixes, in address order.

14.102.132.0/22
27.131.224.0/20
61.198.64.0/19
61.213.208.0/20
103.3.184.0/22
113.20.152.0/22
113.21.48.0/20
114.142.176.0/20
119.18.160.0/20
119.18.176.0/21
124.110.210.0/23
124.110.212.0/22
124.110.216.0/21
133.88.64.0/21
133.165.192.0/18
202.122.48.0/20
203.196.64.0/20
203.196.80.0/21
210.131.224.0/21
210.131.232.0/22
210.171.64.0/23
219.99.192.0/19
221.133.64.0/18

IPv6 prefixes

All 2 prefixes.

2405:a200::/32
2406:f200::/32

Similar-sized networks in Japan

ASNNameIPv4 addresses

AS10021#70 KVH - KVH Co.,Ltd110,848

AS38631#71 LINE - LY Corporation108,288

AS59108#72 KATCH-NET - KATCH NETWORK INC.96,256

AS131921#74 GMOCL - GMO GlobalSign Holdings K.K.92,928

AS4678#75 FINE - Canon IT Solutions Inc.90,880

AS17707#76 DATAHOTEL-JP - AS for DATAHOTEL, which is one of iDC in Japan,90,368

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