AS40810 Ernst & Young LLP

EY-AS-SG - Ernst & Young LLP · registered in the United States

IPv4 addresses1,7925 prefixes · <0.001% of announced IPv4

Rank in United States#6,710largest network in US by IPv4 space, of 18,338 · <0.01% of US

Rank worldwide#25,240of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryUnited States18,679 ASNs registered there

Open AS40810 in ASN lookup Look up an IP in this network (199.49.9.1) All networks in United States

IPv4 prefixes

All 5 prefixes, in address order.

199.49.9.0/24
199.49.10.0/24
199.49.14.0/23
199.49.32.0/23
199.52.128.0/24

Other ASNs named Ernst & Young LLP

3 other networks use the same organisation name; together with AS40810 they announce 12,800 IPv4 addresses.

ASNNameIPv4 addresses

AS609EY-AS-L - Ernst & Young LLP US4,864

AS3571EY-AS - Ernst & Young LLP US4,608

AS400060EY-AS-DSFW - Ernst & Young LLP US1,536

Similar-sized networks in United States

ASNNameIPv4 addresses

AS40399#6707 MASERGY-CLOUD-COMMUNICATIONS - Masergy Cloud Communications, Inc.1,792

AS40412#6708 PAHOUSE - PA House of Representatives - Democratic Caucus1,792

AS40596#6709 SOUNDBITE - Soundbite Communications, Inc.1,792

AS46155#6711 DEERFIELD-ACADEMY - Deerfield Academy1,792

AS46206#6712 AS-SANFORDHEALTH - Sanford Health1,792

AS46358#6713 UAT - University of Advancing Technology1,792

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