AS16875 AON Corporation

AS16875 - AON Corporation · registered in the United States

IPv4 addresses11,26417 prefixes · <0.001% of announced IPv4

Rank in United States#2,817largest network in US by IPv4 space, of 18,338 · <0.01% of US

Rank worldwide#8,589of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryUnited States18,679 ASNs registered there

Open AS16875 in ASN lookup Look up an IP in this network (165.125.5.1) All networks in United States

IPv4 prefixes

All 17 prefixes, in address order.

165.125.5.0/24
165.125.6.0/24
165.125.11.0/24
165.125.13.0/24
165.125.80.0/20
165.125.99.0/24
165.125.100.0/22
165.125.104.0/23
165.125.176.0/22
165.125.180.0/23
165.125.182.0/24
165.125.185.0/24
165.125.188.0/23
165.125.200.0/23
165.125.214.0/23
165.125.216.0/23
165.125.218.0/24

Similar-sized networks in United States

ASNNameIPv4 addresses

AS13322#2814 FMR-AS3 - FMR LLC11,264

AS15313#2815 PMTL-AS1 - Pembroke Telephone Company, Inc.11,264

AS16698#2816 NP-TECH - NP Tech11,264

AS18671#2818 PRTC-SC - PRTC11,264

AS23496#2819 CAMBIAHEALTH - Cambia Health Solutions, Inc.11,264

AS26097#2820 LABYRINTH - Labyrinth Solutions Inc11,264

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