AS7786 NeuStar, Inc.

NPAC - NeuStar, Inc. · registered in the United States

IPv4 addresses7,42422 prefixes · <0.001% of announced IPv4

Rank in United States#3,536largest network in US by IPv4 space, of 18,338 · <0.01% of US

Rank worldwide#11,286of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryUnited States18,679 ASNs registered there

Open AS7786 in ASN lookup Look up an IP in this network (156.154.16.1) All networks in United States

IPv4 prefixes

All 22 prefixes, in address order.

156.154.16.0/23
156.154.18.0/24
156.154.24.0/23
156.154.26.0/24
156.154.30.0/24
156.154.42.0/24
156.154.52.0/24
156.154.56.0/24
156.154.59.0/24
156.154.83.0/24
156.154.116.0/23
156.154.136.0/24
156.154.138.0/24
156.154.148.0/23
156.154.188.0/23
156.154.192.0/23
156.154.195.0/24
156.154.196.0/24
156.154.199.0/24
156.154.200.0/24
156.154.202.0/23
209.173.53.0/24

Other ASNs named NeuStar, Inc.

1 other network uses the same organisation name; together with AS7786 they announce 7,936 IPv4 addresses.

ASNNameIPv4 addresses

AS32980NEUSTAR-AS5 - NeuStar, Inc. US512

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ASNNameIPv4 addresses

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AS15048#3539 METLIFE-ASN - MetLife7,424

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