AS6150 National Cancer Institute

NCIFCRF - National Cancer Institute · registered in the United States

IPv4 addresses65,5361 prefixes · 0.002% of announced IPv4

Rank in United States#1,101largest network in US by IPv4 space, of 18,338 · <0.01% of US

Rank worldwide#3,088of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryUnited States18,679 ASNs registered there

Open AS6150 in ASN lookup Look up an IP in this network (129.43.0.1) All networks in United States

IPv4 prefixes

All 1 prefix, in address order.

129.43.0.0/16

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ASNNameIPv4 addresses

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AS6628#1103 PPS - Portland Public Schools65,536

AS6932#1104 EBSCOPUB - EBSCO Publishing65,536

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