AS131949 General Incorporated Foundation Aso Telework Center

ASO-NET - General Incorporated Foundation Aso Telework Center · registered in Japan

IPv4 addresses6,1443 prefixes · <0.001% of announced IPv4

Rank in Japan#359largest network in JP by IPv4 space, of 724 · <0.01% of JP

Rank worldwide#12,236of 79,396 networks with IPv4

IPv61 x /32 (65,536 x /48)1 prefixes

CountryJapan745 ASNs registered there

Open AS131949 in ASN lookup Look up an IP in this network (103.137.232.1) All networks in Japan

IPv4 prefixes

All 3 prefixes, in address order.

103.137.232.0/22
133.247.144.0/20
202.226.8.0/22

IPv6 prefixes

All 1 prefix.

2404:e840::/32

Similar-sized networks in Japan

ASNNameIPv4 addresses

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AS23776#358 NEC - NEC Corporation6,144

AS131954#360 LCNet - Kawaguchiko cable television Inc6,144

AS17680#361 SCS - SCSK Corporation6,144

AS18088#362 QIC - Kyuden Infocom Company Inc6,144

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