AS18976 UNICOM Systems Inc.

UNICOM-SYSTEMS-INC - UNICOM Systems Inc. · registered in the United States

IPv4 addresses1,0243 prefixes · <0.001% of announced IPv4

Rank in United States#8,233largest network in US by IPv4 space, of 18,338 · <0.01% of US

Rank worldwide#36,584of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryUnited States18,679 ASNs registered there

Open AS18976 in ASN lookup Look up an IP in this network (65.215.103.1) All networks in United States

IPv4 prefixes

All 3 prefixes, in address order.

65.215.103.0/24
192.254.22.0/23
208.253.75.0/24

Similar-sized networks in United States

ASNNameIPv4 addresses

AS18830#8230 HMH-18830 - HMH1,024

AS18842#8231 VERTICAL-SCR - Business Information Group, Inc.1,024

AS18959#8232 RP-368-18959 - Radia Inc., PS1,024

AS19002#8234 FDBS-AS - Financial Database Services1,024

AS19056#8235 IETF-49 - Qualcomm, Inc.1,024

AS19060#8236 BRYANLGH-AS-01 - Bryan Health1,024

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