AS37919 SEGA SAMMY HOLDINGS INC.

SEGASAMMY - SEGA SAMMY HOLDINGS INC. · registered in Japan

IPv4 addresses65,5367 prefixes · 0.002% of announced IPv4

Rank in Japan#123largest network in JP by IPv4 space, of 724 · 0.04% of JP

Rank worldwide#2,998of 79,396 networks with IPv4

IPv61 x /481 prefixes

CountryJapan745 ASNs registered there

Open AS37919 in ASN lookup Look up an IP in this network (157.109.0.1) All networks in Japan

IPv4 prefixes

All 7 prefixes, in address order.

157.109.0.0/17
157.109.128.0/19
157.109.160.0/22
157.109.164.0/22
157.109.168.0/21
157.109.176.0/20
157.109.192.0/18

IPv6 prefixes

All 1 prefix.

2001:df4:53c0::/48

Similar-sized networks in Japan

ASNNameIPv4 addresses

AS17701#120 SEINAN - Seinan Gakuin University65,536

AS18087#121 TOYO - Toyo University65,536

AS18124#122 OUS-NET - Okayama University of Science65,536

AS55379#124 hosei-net - Hosei University65,536

AS55390#125 TUSNET - Tokyo University of Science65,536

AS55904#126 KOGAKUIN-AS - KOGAKUIN University65,536

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