AS6307 American Express Company

AMERICAN-EXPRESS - American Express Company · registered in the United States

IPv4 addresses34,30441 prefixes · 0.001% of announced IPv4

Rank in United States#1,683largest network in US by IPv4 space, of 18,338 · <0.01% of US

Rank worldwide#4,648of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryUnited States18,679 ASNs registered there

Open AS6307 in ASN lookup Look up an IP in this network (12.10.219.1) All networks in United States

IPv4 prefixes

All 41 prefixes, in address order.

12.10.219.0/24
12.29.100.0/23
12.29.102.0/24
12.105.185.0/24
139.71.0.0/21
139.71.8.0/22
139.71.16.0/21
139.71.24.0/22
139.71.28.0/23
139.71.48.0/21
139.71.64.0/21
139.71.72.0/22
139.71.76.0/23
139.71.78.0/24
139.71.80.0/20
139.71.100.0/23
139.71.105.0/24
139.71.106.0/23
139.71.108.0/22
139.71.112.0/20
139.71.136.0/24
139.71.144.0/23
139.71.147.0/24
139.71.152.0/24
139.71.155.0/24
139.71.176.0/24
139.71.178.0/23
139.71.180.0/22
139.71.184.0/23
139.71.186.0/24
139.71.192.0/22
139.71.196.0/23
148.173.86.0/24
148.173.88.0/22
148.173.96.0/22
148.173.100.0/23
148.173.103.0/24
148.173.104.0/24
148.173.106.0/23
148.173.144.0/24
193.32.34.0/24

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AS13904#1686 COSLINK - Cherryland Services Inc34,054

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