AS33703 Hofstra University

HOFSTRA-UNIVERSITY - Hofstra University · registered in the United States

IPv4 addresses65,5361 prefixes · 0.002% of announced IPv4

Rank in United States#1,044largest network in US by IPv4 space, of 18,338 · <0.01% of US

Rank worldwide#2,955of 79,396 networks with IPv4

IPv616 x /481 prefixes

CountryUnited States18,679 ASNs registered there

Open AS33703 in ASN lookup Look up an IP in this network (147.4.0.1) All networks in United States

IPv4 prefixes

All 1 prefix, in address order.

147.4.0.0/16

IPv6 prefixes

All 1 prefix.

2620:10a:d000::/44

Similar-sized networks in United States

ASNNameIPv4 addresses

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AS33503#1043 MCW-1-AS - Medical College of Wisconsin65,536

AS70#1045 NLM-GW - National Library of Medicine65,536

AS3495#1046 SENATE-AS - US Senate65,536

AS1657#1047 LOUISVILLE - University of Louisville65,536

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