AS55028 Kiewit Corporation

KIEWIT-US - Kiewit Corporation · registered in the United States

IPv4 addresses2,0485 prefixes · <0.001% of announced IPv4

Rank in United States#6,062largest network in US by IPv4 space, of 18,338 · <0.01% of US

Rank worldwide#22,473of 79,396 networks with IPv4

IPv64,096 x /4812 prefixes

CountryUnited States18,679 ASNs registered there

Open AS55028 in ASN lookup Look up an IP in this network (192.174.72.1) All networks in United States

IPv4 prefixes

All 5 prefixes, in address order.

192.174.72.0/22
192.174.76.0/24
192.174.77.0/24
192.174.78.0/24
192.174.79.0/24

IPv6 prefixes

All 12 prefixes.

2620:1fc::/47
2620:1fc:2::/47
2620:1fc:4::/46
2620:1fc:8::/45
2620:1fc:10::/44
2620:1fc:20::/43
2620:1fc:40::/42
2620:1fc:80::/41
2620:1fc:100::/40
2620:1fc:200::/39
2620:1fc:400::/38
2620:1fc:800::/37

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AS396930#6065 OPUS-INTERACTIVE-VA1 - Opus Interactive2,048

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