AS21837 Opera Software Americas LLC

OPERASOFTWARE - Opera Software Americas LLC · registered in the United States

IPv4 addresses5,8888 prefixes · <0.001% of announced IPv4

Rank in United States#3,869largest network in US by IPv4 space, of 18,338 · <0.01% of US

Rank worldwide#12,638of 79,396 networks with IPv4

IPv62 x /482 prefixes

CountryUnited States18,679 ASNs registered there

Open AS21837 in ASN lookup Look up an IP in this network (107.167.96.1) All networks in United States

IPv4 prefixes

All 8 prefixes, in address order.

107.167.96.0/22
107.167.100.0/24
107.167.102.0/23
107.167.104.0/21
107.167.116.0/22
107.167.122.0/23
107.167.125.0/24
107.167.126.0/24

IPv6 prefixes

All 2 prefixes.

2620:117:c000::/48
2620:117:c004::/48

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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