AS40371 PROS, Inc.

AS40371 - PROS, Inc. · registered in the United States

IPv4 addresses2,0488 prefixes · <0.001% of announced IPv4

Rank in United States#6,335largest network in US by IPv4 space, of 18,338 · <0.01% of US

Rank worldwide#23,317of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryUnited States18,679 ASNs registered there

Open AS40371 in ASN lookup Look up an IP in this network (8.20.55.1) All networks in United States

IPv4 prefixes

All 8 prefixes, in address order.

8.20.55.0/24
8.20.59.0/24
8.20.60.0/24
38.65.220.0/24
83.125.36.0/24
84.207.212.0/24
192.31.163.0/24
198.99.255.0/24

Similar-sized networks in United States

ASNNameIPv4 addresses

AS40187#6332 GIGSTREEM-WARP2BIZ - GiGstreem2,048

AS40252#6333 CLEVELAND-MUNICIPAL-SCHOOL-DISTRICT - Cleveland Municipal School District2,048

AS40342#6334 EARLYWARNINGSERVICES - Early Warning Services2,048

AS40377#6336 TECHSTREAM - TECH STREAM2,048

AS40508#6337 MID-AMERICA-NAZARENE-UNIVERSITY - Mid America Nazarene University2,048

AS40533#6338 EBAY-ENTERPRISE - eBay, Inc2,048

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