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Organization

FirstDay Foundation

IPv4 addresses
512
CIDR ranges
2
Category
unknown
BGP prefixes announced
2

Reputation · trust score

A transparent 0–100 signal. Every entity starts at a neutral baseline of 65; threat-intel blocklists, exposure, reverse-DNS, routing and allocation each adjust it up or down. Higher is more trustworthy.

65/100
Moderate
How this score is built

Experimental · trust-vectors model v1.2.0 — a transparent heuristic, not a definitive verdict. How it works →

Countries served by FirstDay Foundation

Every country where this organization has IPv4 allocations, ranked by IPs held.

ASNs owned by FirstDay Foundation

ASNNameIPsPrefixesCountry
AS397900 FirstDay Foundation 512 2 US

Largest CIDR ranges

CIDRIPsPTR DensityASNCountryStateCity
67.218.14.0/24 256
83.6%
AS397900 US Texas San Antonio
148.59.25.0/24 256
99.6%
AS397900 US Texas Brownsville

Frequently Asked Questions

How many IP addresses does FirstDay Foundation own?

FirstDay Foundation controls 512 IPv4 addresses distributed across 2 CIDR ranges. The organization is registered in United States.

What ASNs does FirstDay Foundation operate?

FirstDay Foundation operates 1 Autonomous System. Each ASN represents an independently routed network that FirstDay Foundation manages for internet traffic delivery.

What type of organization is FirstDay Foundation?

FirstDay Foundation is categorized as unknown. This classification is based on the organization's primary use of its IP address allocations.

Last updated: 2026-07-27 10:40:32 UTC
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