AS33373 Federal Home Loan Bank of Boston

FHLBB-5 - Federal Home Loan Bank of Boston · registered in the United States

IPv4 addresses2561 prefixes · <0.001% of announced IPv4

Rank in United States#15,292largest network in US by IPv4 space, of 18,338 · <0.01% of US

Rank worldwide#65,564of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryUnited States18,679 ASNs registered there

Open AS33373 in ASN lookup Look up an IP in this network (198.187.149.1) All networks in United States

IPv4 prefixes

All 1 prefix, in address order.

198.187.149.0/24

Similar-sized networks in United States

ASNNameIPv4 addresses

AS33341#15289 EMSER-ASN01 - Emser Tile LLC256

AS33344#15290 PUBLIC-AS - American Petroleum Institute256

AS33370#15291 AS-RIVCTY - City of Riverside256

AS33376#15293 CASTLE-HARLAN - Castle Harlan256

AS33381#15294 AIM-52-ASN - ABS Investment Management LLC256

AS33382#15295 CRYPTICSTUDIOS-HQ - CRYPTIC STUDIOS, INC.256

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