Network

FC2 Inc

AS63210registered in United States (US)hosts in 1 country

As of 2026-11-13, FC2 Inc (AS63210, registered in United States) had 237 hosts seen in 1 country; 1 of them with known CVEs (2 distinct, 1 known to be exploited). It announces 5 IPv4 prefixes and 1 IPv6 prefix (3 072 IPv4 addresses, 18 036th by address space).

Known CVEs in this network

237hosts seen
1host with known CVEs
2distinct CVEs
1known exploited

CVEs by severity: HIGH 1 MEDIUM 1

A match is an indication, not proof: it is based on the software version a service reported, and fixes are often backported without changing the version.

Counted 2026-11-13 04:21 UTC

Organisation
FC2 INC
Network type
Content / hosting · peering policy Open
Website
https://fc2.com/
Registry
ARIN · United States US · allocated 2014-09-11
Announced prefixes
5 IPv4 · 1 IPv6 See them
IPv4 address space
3 072 addresses · 18 036th of 88 020 networks by size
Rank by exposure
21 242nd by hosts with known CVEs Ranking
Exchange points
1

Routing

Most common CVEs in this network

CVEHosts
CVE-2023-44487 HIGH 7.5 known exploited 1
CVE-2024-39702 MEDIUM 5.9 1

Most exposed hosts

IPExploitedCVEs
104.244.97.105 1 2 CVEs

Known exploited first, then by the number of CVEs.

Where its hosts are

CountryHostsWith CVEs
United States US 237 1