AS9601 Niigata Communication Service

SHIBATA - Niigata Communication Service · registered in Japan

IPv4 addresses27,6487 prefixes · <0.001% of announced IPv4

Rank in Japan#217largest network in JP by IPv4 space, of 724 · 0.02% of JP

Rank worldwide#5,200of 79,396 networks with IPv4

IPv657,344 x /483 prefixes

CountryJapan745 ASNs registered there

Open AS9601 in ASN lookup Look up an IP in this network (58.84.240.1) All networks in Japan

IPv4 prefixes

All 7 prefixes, in address order.

58.84.240.0/21
58.84.250.0/23
58.84.252.0/23
114.134.32.0/19
210.229.48.0/20
211.12.192.0/19
219.101.64.0/20

IPv6 prefixes

All 3 prefixes.

2402:a800::/33
2402:a800:8000::/34
2402:a800:c000::/35

Other ASNs named Niigata Communication Service

1 other network uses the same organisation name; together with AS9601 they announce 29,696 IPv4 addresses.

ASNNameIPv4 addresses

AS23633LOCAL-IX - Niigata Communication Service JP2,048

Similar-sized networks in Japan

ASNNameIPv4 addresses

AS23629#214 OCTV - Obihiro City Cable Co.,Ltd.28,160

AS18283#215 CCV - Chupicom Inc.27,648

AS24255#216 T-CATV - Koshinomiyako Network, Inc.27,648

AS18274#218 UCATV - Utsunomiya Cable TV Corporation26,624

AS24249#219 JWAY - JWAY co., Ltd.26,624

AS55394#220 GREE-NET - GREE, Inc.26,624

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