AS394019 FiberSpark Inc.

FIBERSPARK - FiberSpark Inc. · registered in the United States

IPv4 addresses1,7925 prefixes · <0.001% of announced IPv4

Rank in United States#6,513largest network in US by IPv4 space, of 18,338 · <0.01% of US

Rank worldwide#24,626of 79,396 networks with IPv4

IPv68 x /32 (524,288 x /48)17 prefixes

CountryUnited States18,679 ASNs registered there

Open AS394019 in ASN lookup Look up an IP in this network (23.139.248.1) All networks in United States

IPv4 prefixes

All 5 prefixes, in address order.

23.139.248.0/24
64.239.20.0/23
172.96.162.0/24
199.79.156.0/24
204.115.252.0/23

IPv6 prefixes

All 17 prefixes.

2631:7000::/37
2631:7000:800::/39
2631:7000:a00::/44
2631:7000:a10::/44
2631:7000:a20::/43
2631:7000:a40::/43
2631:7000:a60::/43
2631:7000:a80::/41
2631:7000:b00::/40
2631:7000:c00::/38
2631:7000:1000::/36
2631:7000:2000::/35
2631:7000:4000::/34
2631:7000:8000::/33
2631:7001::/32
2631:7002::/31
2631:7004::/30

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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