AS26380 MasterCard Technologies LLC

MASTER-7-AS - MasterCard Technologies LLC · registered in the United States

IPv4 addresses15,10425 prefixes · <0.001% of announced IPv4

Rank in United States#2,462largest network in US by IPv4 space, of 18,338 · <0.01% of US

Rank worldwide#7,338of 79,396 networks with IPv4

IPv64 x /482 prefixes

CountryUnited States18,679 ASNs registered there

Open AS26380 in ASN lookup Look up an IP in this network (12.10.32.1) All networks in United States

IPv4 prefixes

All 25 prefixes, in address order.

12.10.32.0/23
12.22.152.0/21
14.102.177.0/24
45.115.128.0/23
45.115.130.0/24
45.115.131.0/24
75.141.71.0/24
103.55.148.0/22
113.30.208.0/21
156.154.239.0/24
180.92.176.0/24
185.96.136.0/23
185.96.138.0/24
185.175.204.0/22
185.199.60.0/23
205.233.71.0/24
209.64.210.0/23
216.119.208.0/22
216.119.213.0/24
216.119.214.0/23
216.119.216.0/22
216.119.222.0/23
217.149.105.0/24
217.149.106.0/23
220.101.52.0/24

IPv6 prefixes

All 2 prefixes.

2607:3c00:6404::/47
2607:3c00:6414::/47

Similar-sized networks in United States

ASNNameIPv4 addresses

AS46636#2459 NATCOWEB - NatCoWeb Corp.15,104

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AS40264#2461 TWC-40264-WI-MN-UPPERMI-C3 - Charter Communications LLC15,104

AS16799#2463 PAYMASTER - Kinecta Federal Credit Union15,104

AS27221#2464 ARDMORE-TEL - Ardmore Telephone Company Inc.15,104

AS62738#2465 ZOCHNET1 - ZochNet15,104

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