AS3688 Hospital for Special Surgery

HSS-1 - Hospital for Special Surgery · registered in the United States

IPv4 addresses5121 prefixes · <0.001% of announced IPv4

Rank in United States#10,536largest network in US by IPv4 space, of 18,338 · <0.01% of US

Rank worldwide#49,525of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryUnited States18,679 ASNs registered there

Open AS3688 in ASN lookup Look up an IP in this network (74.117.136.1) All networks in United States

IPv4 prefixes

All 1 prefix, in address order.

74.117.136.0/23

Similar-sized networks in United States

ASNNameIPv4 addresses

AS2695#10533 RJRT01-TOB1 - RJ Reynolds Tobacco Company512

AS3425#10534 ESNET-AS - ESnet512

AS3592#10535 TRINCOLL-AS - Trinity College512

AS3727#10537 SHRUBB - Shrubbery Networks512

AS3788#10538 TEXAS-DOT - Texas Department of Transportation512

AS3914#10539 KMHP-AS-ARIN - Keystone Mercy Health Plan512

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