AS37905 Brastel Co.,Ltd

BRASTEL-NET - Brastel Co.,Ltd · registered in Japan

IPv4 addresses2561 prefixes · <0.001% of announced IPv4

Rank in Japan#694largest network in JP by IPv4 space, of 724 · <0.01% of JP

Rank worldwide#66,031of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryJapan745 ASNs registered there

Open AS37905 in ASN lookup Look up an IP in this network (202.173.5.1) All networks in Japan

IPv4 prefixes

All 1 prefix, in address order.

202.173.5.0/24

Similar-sized networks in Japan

ASNNameIPv4 addresses

AS18069#691 SOFTBANK - SoftBank Corp.256

AS23761#692 XPEDITE-AS-JP - Xpedite Systems256

AS23833#693 MARUSAN-NET - Marusan Securities Co., LTD.256

AS38647#695 GeekN-NetLab - NEI's NetLab256

AS38649#696 UEC-EXP - The University of Electro-Communications256

AS45217#697 TORA-TRADING-SERVICES - Tora Trading Services 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