AS20421 First Technology Federal Credit Union

FLEXB-ASN - First Technology Federal Credit Union · registered in the United States

IPv4 addresses7683 prefixes · <0.001% of announced IPv4

Rank in United States#9,464largest network in US by IPv4 space, of 18,338 · <0.01% of US

Rank worldwide#43,951of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryUnited States18,679 ASNs registered there

Open AS20421 in ASN lookup Look up an IP in this network (38.134.233.1) All networks in United States

IPv4 prefixes

All 3 prefixes, in address order.

38.134.233.0/24
209.162.201.0/24
209.162.202.0/24

Other ASNs named First Technology Federal Credit Union

1 other network uses the same organisation name; together with AS20421 they announce 1,024 IPv4 addresses.

ASNNameIPv4 addresses

AS26861ROCKLIN-ASN - First Technology Federal Credit Union US256

Similar-sized networks in United States

ASNNameIPv4 addresses

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AS20429#9465 AS20429 - Guitar Center768

AS20457#9466 VERDINET-AS-01 - Verdinet LLC768

AS20466#9467 WGBH-EDUCATIONAL-FOUNDATION - WGBH Educational Foundation768

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