AS11540 Research Triangle Institute

RTI - Research Triangle Institute · registered in the United States

IPv4 addresses65,7922 prefixes · 0.002% of announced IPv4

Rank in United States#949largest network in US by IPv4 space, of 18,338 · <0.01% of US

Rank worldwide#2,785of 79,396 networks with IPv4

IPv61 x /481 prefixes

CountryUnited States18,679 ASNs registered there

Open AS11540 in ASN lookup Look up an IP in this network (152.5.0.1) All networks in United States

IPv4 prefixes

All 2 prefixes, in address order.

152.5.0.0/16
192.154.54.0/24

IPv6 prefixes

All 1 prefix.

2620:31:8000::/48

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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