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AS11273 Fiserv Solutions, LLC

FDCSGNET - Fiserv Solutions, LLC · registered in the United States

IPv4 addresses160,000156 prefixes · 0.005% of announced IPv4
Rank in United States#388largest network in US by IPv4 space, of 18,338 · 0.01% of US
Rank worldwide#1,267of 79,396 networks with IPv4
IPv6noneno IPv6 routes announced
CountryUnited States18,679 ASNs registered there
Open AS11273 in ASN lookup Look up an IP in this network (12.33.109.1) All networks in United States

IPv4 prefixes

All 156 prefixes, in address order.

  • 12.33.109.0/24
  • 12.111.214.0/24
  • 12.164.66.0/24
  • 12.168.132.0/23
  • 12.175.11.0/24
  • 12.176.27.0/24
  • 12.184.102.0/23
  • 50.58.8.0/22
  • 63.84.244.0/23
  • 63.115.138.0/23
  • 63.167.86.0/24
  • 63.251.77.0/24
  • 65.167.147.0/24
  • 65.205.40.0/24
  • 67.148.76.0/23
  • 69.51.38.0/23
  • 69.51.44.0/23
  • 97.65.159.0/24
  • 166.73.0.0/22
  • 166.73.6.0/23
  • 166.73.8.0/24
  • 166.73.10.0/23
  • 166.73.12.0/22
  • 166.73.16.0/23
  • 166.73.24.0/23
  • 166.73.28.0/22
  • 166.73.37.0/24
  • 166.73.38.0/24
  • 166.73.92.0/23
  • 166.73.102.0/23
  • 166.73.156.0/24
  • 167.16.0.0/22
  • 167.16.4.0/22
  • 167.16.8.0/21
  • 167.16.16.0/20
  • 167.16.32.0/22
  • 167.16.36.0/22
  • 167.16.40.0/21
  • 167.16.48.0/23
  • 167.16.50.0/24
  • 167.16.51.0/24
  • 167.16.52.0/23
  • 167.16.54.0/24
  • 167.16.55.0/24
  • 167.16.56.0/23
  • 167.16.58.0/24
  • 167.16.59.0/24
  • 167.16.60.0/22
  • 167.16.64.0/24
  • 167.16.65.0/24
  • 167.16.66.0/23
  • 167.16.68.0/22
  • 167.16.72.0/22
  • 167.16.76.0/24
  • 167.16.77.0/24
  • 167.16.78.0/24
  • 167.16.79.0/24
  • 167.16.80.0/21
  • 167.16.88.0/22
  • 167.16.92.0/23
  • 167.16.94.0/23
  • 167.16.96.0/23
  • 167.16.98.0/23
  • 167.16.100.0/24
  • 167.16.101.0/24
  • 167.16.102.0/23
  • 167.16.104.0/21
  • 167.16.112.0/20
  • 167.16.128.0/23
  • 167.16.130.0/23
  • 167.16.132.0/22
  • 167.16.136.0/24
  • 167.16.137.0/24
  • 167.16.138.0/23
  • 167.16.140.0/22
  • 167.16.144.0/20
  • 167.16.160.0/22
  • 167.16.164.0/23
  • 167.16.166.0/24
  • 167.16.167.0/24
  • 167.16.168.0/21
  • 167.16.176.0/20
  • 167.16.192.0/22
  • 167.16.196.0/23
  • 167.16.198.0/24
  • 167.16.199.0/24
  • 167.16.200.0/21
  • 167.16.208.0/20
  • 167.16.224.0/20
  • 167.16.240.0/22
  • 167.16.244.0/23
  • 167.16.246.0/23
  • 167.16.249.0/24
  • 167.16.250.0/23
  • 167.16.252.0/23
  • 167.16.254.0/23
  • 170.186.0.0/23
  • 170.186.2.0/24
  • 170.186.3.0/24
  • 170.186.4.0/22
  • 170.186.8.0/22
  • 170.186.12.0/24
  • 170.186.13.0/24
  • 170.186.14.0/23
  • 170.186.16.0/20
  • 170.186.32.0/19
  • 170.186.64.0/18
  • 170.186.128.0/21
  • 170.186.136.0/23
  • 170.186.138.0/23
  • 170.186.140.0/23
  • 170.186.143.0/24
  • 170.186.144.0/21
  • 170.186.152.0/23
  • 170.186.155.0/24
  • 170.186.156.0/22
  • 170.186.160.0/19
  • 170.186.192.0/21
  • 170.186.200.0/22
  • 170.186.204.0/24
  • 170.186.206.0/24
  • 170.186.208.0/20
  • 170.186.224.0/19
  • 174.46.35.0/24
  • 192.131.64.0/23
  • 192.131.67.0/24
  • 192.131.68.0/22
  • 192.131.72.0/23
  • 192.131.76.0/24
  • 196.54.72.0/23
  • 198.246.154.0/24
  • 198.246.217.0/24
  • 198.246.218.0/24
  • 199.47.153.0/24
  • 199.47.154.0/23
  • 199.47.156.0/22
  • 204.95.150.0/24
  • 204.124.84.0/24
  • 204.194.138.0/24
  • 204.194.141.0/24
  • 204.194.143.0/24
  • 204.238.181.0/24
  • 208.11.141.0/24
  • 208.66.20.0/24
  • 208.66.22.0/24
  • 208.72.248.0/21
  • 208.93.24.0/22
  • 208.93.29.0/24
  • 208.93.30.0/23
  • 208.235.248.0/24
  • 209.186.254.0/24
  • 209.211.51.0/24
  • 209.211.226.0/24
  • 216.66.212.0/23
  • 216.66.214.0/24
  • 216.66.216.0/21

Other ASNs named Fiserv Solutions, LLC

11 other networks use the same organisation name; together with AS11273 they announce 165,632 IPv4 addresses.

ASNNameIPv4 addresses
AS26144FISERV-EFT - Fiserv Solutions, LLC US1,280
AS39992FDC-CTS-HOLDINGS - Fiserv Solutions, LLC US1,024
AS21530FISERV-EPF-OMAHA - Fiserv Solutions, LLC US512
AS6318CHECKFREE - Fiserv Solutions, LLC US512
AS11121FIRSTDATACORP-DB - Fiserv Solutions, LLC US512
AS17405FISERV-CORPORATE - Fiserv Solutions, LLC US512
AS10390TELECHECK - Fiserv Solutions, LLC US256
AS22142FISERV-EPF-CHANDLER - Fiserv Solutions, LLC US256
AS30037AS30037 - Fiserv Solutions, LLC US256
AS40466OSI-FISERV-HAWAII-DC - Fiserv Solutions, LLC US256
AS398144FOS - Fiserv Solutions, LLC US256

Similar-sized networks in United States

ASNNameIPv4 addresses
AS3663#385 NETNET-NET - NetNet160,768
AS979#386 NETLAB-SDN - NetLab Global160,768
AS54804#387 CSMIII-BUNKIELA - CableSouth Media III LLC160,000
AS22646#389 HARCOM1 - Hargray Communications Group, Inc.160,000
AS10967#390 HOMEDEPOTNET - The Home Depot Inc.159,232
AS19855#391 MASERGY - Masergy Communications, Inc.157,440

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