AS131989 PFU LIMITED

PFU-UMC-MS01 - PFU LIMITED · registered in Japan

IPv4 addresses2561 prefixes · <0.001% of announced IPv4

Rank in Japan#707largest network in JP by IPv4 space, of 724 · <0.01% of JP

Rank worldwide#69,942of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryJapan745 ASNs registered there

Open AS131989 in ASN lookup Look up an IP in this network (202.216.170.1) All networks in Japan

IPv4 prefixes

All 1 prefix, in address order.

202.216.170.0/24

Similar-sized networks in Japan

ASNNameIPv4 addresses

AS131894#704 U-Cloud-2 - UNIADEX, LTD.256

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AS131913#706 AS131913-9 - JPNIC-4Byte-ASBLOCK-AP256

AS132211#708 FXCM-ASIA-AP - FX Corporate LLC256

AS133180#709 STARBOWLTD-AS-AP - Starbow Ltd.256

AS134827#710 EYJAPAN-AS-AP - EY Japan Co., Ltd.256

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