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AS63351

AS63351 is Southern Caribbean Fiber.

Last updated 3 Nov 2026 from DB-IP ASN Lite (2026-11-01) and RIR statistics (3 Nov 2026)

Short answer

AS63351 belongs to Southern Caribbean Fiber. DB-IP Lite attributes 2,560 IPv4 addresses in 4 ranges and 1 IPv6 ranges to it, 70% of the IPv4 space in United States. The number is registered with ARIN in Guadeloupe on 15 Dec 2014.

Facts for AS63351
Operator (DB-IP)Southern Caribbean Fiber
IPv4 addresses2,560
IPv4 ranges4
IPv6 ranges1
RegistryARIN
Registered15 Dec 2014
Registry countryGuadeloupe (GP)

Does it publish a geofeed?

We haven’t checked this network’s registry records for a geofeed yet. The Truth Check looks for one live for any address you test.

Shared addresses (CGNAT)

Southern Caribbean Fiber hasn’t been documented as using carrier-grade NAT in a source we could check. To see whether your own connection is behind it, compare your router’s address on the CGNAT check.

IPv6

DB-IP lists 1 IPv6 ranges for AS63351, so customers can get IPv6 addresses, which databases place separately from IPv4.

Where its IPv4 space is used, according to DB-IP

US70%
GP30%

Share of the network’s IPv4 addresses by DB-IP Country Lite. IP Geolocation by DB-IP.

IP ranges

RangeAs CIDRAddresses
38.86.161.0 – 38.86.163.25538.86.161.0/24, 38.86.162.0/23768
38.87.192.0 – 38.87.195.25538.87.192.0/221,024
199.91.162.0 – 199.91.162.255199.91.162.0/24256
207.90.254.0 – 207.90.255.255207.90.254.0/23512
2606:3180:: – 2606:3180:ffff:ffff:ffff:ffff:ffff:ffff2606:3180::/32IPv6
Showing 4 of 4 IPv4 and 1 of 1 IPv6 ranges All ranges (CSV)

IP Geolocation by DB-IP, ASN Lite, CC BY 4.0.

Using an address from this network? See which sources agree on where it is.

Sources

  1. DB-IP IP to ASN Lite (CC BY 4.0) · checked 3 Nov 2026
  2. NRO RIR delegated-extended statistics · checked 4 Nov 2026