AS11174 Athenahealth

AS-ATHEN-1 - Athenahealth · registered in the United States

IPv4 addresses2561 prefixes · <0.001% of announced IPv4

Rank in United States#13,779largest network in US by IPv4 space, of 18,338 · <0.01% of US

Rank worldwide#63,285of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryUnited States18,679 ASNs registered there

Open AS11174 in ASN lookup Look up an IP in this network (103.252.161.1) All networks in United States

IPv4 prefixes

All 1 prefix, in address order.

103.252.161.0/24

Other ASNs named Athenahealth

4 other networks use the same organisation name; together with AS11174 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

AS54593ATHEN-EPOC - Athenahealth US768

Similar-sized networks in United States

ASNNameIPv4 addresses

AS11089#13776 ERGON-NETWORK - ERGON256

AS11120#13777 ISYS-LLC - WidePoint Integrated Solutions Corp.256

AS11132#13778 ASMSA-AS - ARKANSAS SCHOOL FOR MATHEMATICS, SCIENCES & THE ARTS256

AS11180#13780 AS-TIERP-11180 - TierPoint, LLC256

AS11208#13781 HCPL-AS - HALL CAPITAL PARTNERS, LLC256

AS11217#13782 CLM-ASN - Carter Ledyard & Milburn LLP256

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