AS20437 Nationwide Mutual Insurance Company

AS20437 - Nationwide Mutual Insurance Company · registered in the United States

IPv4 addresses1,0242 prefixes · <0.001% of announced IPv4

Rank in United States#8,274largest network in US by IPv4 space, of 18,338 · <0.01% of US

Rank worldwide#36,634of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryUnited States18,679 ASNs registered there

Open AS20437 in ASN lookup Look up an IP in this network (155.188.0.1) All networks in United States

IPv4 prefixes

All 2 prefixes, in address order.

155.188.0.0/23
204.145.192.0/23

Other ASNs named Nationwide Mutual Insurance Company

3 other networks use the same organisation name; together with AS20437 they announce 83,200 IPv4 addresses.

ASNNameIPv4 addresses

AS6569NATIONWIDEASN - Nationwide Mutual Insurance Company US81,664

AS25603NATIONWIDE-MUTUAL-INSURANCE-COMPANY - Nationwide Mutual Insurance Company US256

AS26578NATIONWIDEASN2 - Nationwide Mutual Insurance Company US256

Similar-sized networks in United States

ASNNameIPv4 addresses

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AS20430#8273 AXCESS-FINANCIAL - Axcess Financial Services, Inc.1,024

AS20441#8275 SL-2182-20441 - SAGILITY LLC1,024

AS21519#8276 SBG-AS2 - Sinclair Broadcast Group, Inc.1,024

AS21586#8277 SWKO - SWKO - SouthWest Kansas Online1,024

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