AS14056 SEI Investments

SEI - SEI Investments · registered in the United States

IPv4 addresses7683 prefixes · <0.001% of announced IPv4

Rank in United States#9,351largest network in US by IPv4 space, of 18,338 · <0.01% of US

Rank worldwide#43,796of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryUnited States18,679 ASNs registered there

Open AS14056 in ASN lookup Look up an IP in this network (12.31.24.1) All networks in United States

IPv4 prefixes

All 3 prefixes, in address order.

12.31.24.0/24
63.76.137.0/24
64.125.66.0/24

Other ASNs named SEI Investments

1 other network uses the same organisation name; together with AS14056 they announce 2,816 IPv4 addresses.

ASNNameIPv4 addresses

AS17276SEIC-CORP-1 - SEI Investments US2,048

Similar-sized networks in United States

ASNNameIPv4 addresses

AS13816#9348 VIGTECHAS01 - Vigilant Technologies768

AS13955#9349 ECHO-UPLINKDATA-COM - Echostar Broadcasting Corporation768

AS14020#9350 LONGWOOD-1 - Longwood Gardens Inc.768

AS14121#9352 CIBC-WORLD-MARKETS - CIBC World Markets768

AS14139#9353 AS-MAXOR - Maxor National Pharmacy Services, LLC768

AS14162#9354 FHLB-PITT - FEDERAL HOME LOAN BANK of PITTSBURGH768

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