AS21975 LOOMIS SAYLES & CO., LP

LOOMISSAYLES - LOOMIS SAYLES & CO., LP · registered in the United States

IPv4 addresses1,0243 prefixes · <0.001% of announced IPv4

Rank in United States#8,290largest network in US by IPv4 space, of 18,338 · <0.01% of US

Rank worldwide#36,675of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryUnited States18,679 ASNs registered there

Open AS21975 in ASN lookup Look up an IP in this network (63.104.155.1) All networks in United States

IPv4 prefixes

All 3 prefixes, in address order.

63.104.155.0/24
63.118.230.0/24
65.196.54.0/23

Similar-sized networks in United States

ASNNameIPv4 addresses

AS21937#8287 EEL-LTL - Estes Express Lines1,024

AS21955#8288 GRIFOLS - Grifols Inc.1,024

AS21968#8289 LAURINBURG - CITY OF LAURINBURG1,024

AS21998#8291 SETA - SETA1,024

AS22038#8292 PRIME-SGF1 - New Prime, Inc.1,024

AS22081#8293 CITILAB - Citigroup Inc.1,024

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