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AS11121
AS11121 Fiserv Solutions, LLC
FIRSTDATACORP-DB - Fiserv Solutions, LLC · registered in the United States
IPv4 addresses 512 2 prefixes · <0.001% of announced IPv4
Rank in United States #10,600 largest network in US by IPv4 space, of 18,338 · <0.01% of US
Rank worldwide #49,690 of 79,396 networks with IPv4
IPv6 none no IPv6 routes announced
IPv4 prefixes
All 2 prefixes, in address order.
198.62.137.0/24 198.62.138.0/24
Other ASNs named Fiserv Solutions, LLC
11 other networks use the same organisation name; together with AS11121 they announce 165,632 IPv4 addresses.
ASN Name IPv4 addresses
AS11273 FDCSGNET - Fiserv Solutions, LLC US 160,000 AS26144 FISERV-EFT - Fiserv Solutions, LLC US 1,280 AS39992 FDC-CTS-HOLDINGS - Fiserv Solutions, LLC US 1,024 AS21530 FISERV-EPF-OMAHA - Fiserv Solutions, LLC US 512 AS6318 CHECKFREE - Fiserv Solutions, LLC US 512 AS17405 FISERV-CORPORATE - Fiserv Solutions, LLC US 512 AS10390 TELECHECK - Fiserv Solutions, LLC US 256 AS22142 FISERV-EPF-CHANDLER - Fiserv Solutions, LLC US 256 AS30037 AS30037 - Fiserv Solutions, LLC US 256 AS40466 OSI-FISERV-HAWAII-DC - Fiserv Solutions, LLC US 256 AS398144 FOS - Fiserv Solutions, LLC US 256
Similar-sized networks in United States
ASN Name IPv4 addresses
AS11035 #10597 KCPA1 - The Raymond F. Kravis Center for the Performing Arts, Inc.512 AS11051 #10598 CYBERVERSE - Evocative, Inc.512 AS11082 #10599 ECH-ASN-EASTMAN-CHEMICAL - Eastman Chemical Company512 AS11128 #10601 BERRY-2-ASN - Berry College512 AS11145 #10602 VRIS-11145-11149 - Verizon Business512 AS11184 #10603 EG-USEAST - EXPEDIA, INC512
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