AS54593 Athenahealth

ATHEN-EPOC - Athenahealth · registered in the United States

IPv4 addresses7682 prefixes · <0.001% of announced IPv4

Rank in United States#9,783largest network in US by IPv4 space, of 18,338 · <0.01% of US

Rank worldwide#44,702of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryUnited States18,679 ASNs registered there

Open AS54593 in ASN lookup Look up an IP in this network (199.168.57.1) All networks in United States

IPv4 prefixes

All 2 prefixes, in address order.

199.168.57.0/24
199.168.58.0/23

Other ASNs named Athenahealth

4 other networks use the same organisation name; together with AS54593 they announce 7,424 IPv4 addresses.

ASNNameIPv4 addresses

AS36738AS-NVA1-1 - Athenahealth US2,816

AS46903AS-RCH1-1 - Athenahealth US2,560

AS40515AS-CMH1-1 - Athenahealth US1,024

AS11174AS-ATHEN-1 - Athenahealth US256

Similar-sized networks in United States

ASNNameIPv4 addresses

AS54571#9780 COOLEY - Cooley LLP768

AS54573#9781 GTECH-PRODUCTION - Brightstar Global Solutions Corporation768

AS54583#9782 54583 - American College of Surgeons768

AS54645#9784 HANMI-INTERNET - HANMI BANK768

AS54664#9785 TBCCO-AS-01 - TBC Corporation768

AS54690#9786 CLU - California Lutheran University768

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