AS2559 VISA INTERNATIONAL SERVICE ASSOCIATION

VISANET-1 - VISA INTERNATIONAL SERVICE ASSOCIATION · registered in the United States

IPv4 addresses43,00838 prefixes · 0.001% of announced IPv4

Rank in United States#1,549largest network in US by IPv4 space, of 18,338 · <0.01% of US

Rank worldwide#4,173of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryUnited States18,679 ASNs registered there

Open AS2559 in ASN lookup Look up an IP in this network (66.185.176.1) All networks in United States

IPv4 prefixes

All 38 prefixes, in address order.

66.185.176.0/20
198.80.42.0/23
198.217.136.0/23
198.217.138.0/23
198.217.216.0/22
198.217.224.0/22
198.217.240.0/22
198.217.244.0/22
198.217.249.0/24
198.241.128.0/20
198.241.144.0/21
198.241.152.0/21
198.241.160.0/20
198.241.176.0/21
198.241.184.0/24
198.241.185.0/24
198.241.186.0/23
198.241.188.0/24
198.241.189.0/24
198.241.190.0/23
198.241.192.0/22
198.241.196.0/23
198.241.198.0/24
198.241.199.0/24
198.241.200.0/23
198.241.202.0/23
198.241.204.0/22
198.241.208.0/21
198.241.216.0/23
198.241.218.0/23
198.241.220.0/22
198.241.224.0/20
198.241.240.0/24
198.241.241.0/24
198.241.242.0/23
198.241.244.0/22
198.241.248.0/21
199.68.156.0/24

Similar-sized networks in United States

ASNNameIPv4 addresses

AS31775#1546 GREENLIGHT-NETWORKS - Greenlight Networks, LLC43,264

AS19893#1547 NTT-GLOBAL-DATA-CENTERS-AMERICA-INC - NTT Global Data Centers Americas, INC.43,264

AS40702#1548 CLEARWAVE-COMMUNICATIONS - Clearwave Communications43,264

AS36012#1550 HUNTER-COMM - HUNTER COMMUNICATIONS42,752

AS10806#1551 AFP-NET - AGENCE FRANCE PRESSE42,496

AS25977#1552 HCCS - HOUSTON COMMUNITY COLLEGE SYSTEM42,496

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