AS7660 Asia Pacific Advanced Network - Japan

APAN-JP - Asia Pacific Advanced Network - Japan · registered in Japan

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

Rank in Japan#531largest network in JP by IPv4 space, of 724 · <0.01% of JP

Rank worldwide#35,119of 79,396 networks with IPv4

IPv68,448 x /482 prefixes

CountryJapan745 ASNs registered there

Open AS7660 in ASN lookup Look up an IP in this network (203.181.194.1) All networks in Japan

IPv4 prefixes

All 2 prefixes, in address order.

203.181.194.0/23
203.181.248.0/23

IPv6 prefixes

All 2 prefixes.

2001:200:900::/40
2001:200:e000::/35

Similar-sized networks in Japan

ASNNameIPv4 addresses

AS133476#528 FIRST-AS-AP - First Innovation K.K.1,024

AS138033#529 BBIX-AS-AP - BBIX, Inc1,024

AS152858#530 TWC-NET - Woven by Toyota, Inc.1,024

AS151388#532 SE-JIKKEN-AS - SoftEther Corporation (SE-JIKKEN-AS)1,024

AS131969#533 SSC-2 - Suzuyo Shinwart Corporation1,024

AS133458#534 FSCJCL-AS-AP - FPT Smart Cloud Japan Co., Ltd1,024

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