AS40042 Suffolk County Government

SUFFOLK-COUNTY-GOVERNMENT - Suffolk County Government · registered in the United States

IPv4 addresses7682 prefixes · <0.001% of announced IPv4

Rank in United States#9,689largest network in US by IPv4 space, of 18,338 · <0.01% of US

Rank worldwide#44,370of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryUnited States18,679 ASNs registered there

Open AS40042 in ASN lookup Look up an IP in this network (204.126.171.1) All networks in United States

IPv4 prefixes

All 2 prefixes, in address order.

204.126.171.0/24
204.126.240.0/23

Similar-sized networks in United States

ASNNameIPv4 addresses

AS36798#9686 INFODIR - Info Directions, Inc.768

AS39966#9687 GBPHBUMC - General Board of Pensions and Health Benefits768

AS39974#9688 ALTITUDE-ISP - Altitude ISP LLC768

AS40043#9690 LIFESPAN - Brown University Health768

AS40057#9691 GAAQUA - Georgia Aquarium, INC.768

AS40059#9692 CBCCTS-HQNET - Community Blood Center768

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