Host

213.151.81.221

As of our latest check on 2026-06-07, 213.151.81.221 (Quantcom, a.s., AS29208, Czechia) had 1 open port (443) and no known CVEs.

Known CVEs on this host

1open port
0names pointing here
0known CVEs
0known exploited

Open ports and CVEs as of our latest check of this host, 2026-06-07.

No known CVEs on this host.

Network
Quantcom, a.s. AS29208
Open ports
443 · at our latest check, 2026-06-07
Location
Czechia CZ
Route
213.151.64.0/19 · announced by Quantcom, a.s. AS29208 RPKI valid
Organisation
Quantcom · Network service provider (transit)
Registry network
ARCDATA · 213.151.81.216 - 213.151.81.223 · RIPE
Abuse contact
[email protected] · for ARCDATA
First seen
2026-06-07 23:02 UTC
Last seen alive
2026-06-07 23:03 UTC
Hosted domains
No host name points here

Reputation

Not a Tor relay, not a VPN or privacy relay address, and not on a current public blocklist.

Services (1)

443/tcp TLS first 2026-06-07 · last 2026-06-07
TLS
TLSv1.2
Certificate for
*.arcdata.cz, arcdata.cz
Issued by
GeoTrust TLS RSA CA G1
Valid
2026-01-16 → 2027-02-11
Raw response
YU��w��b�z�3����eq�HB`�DOWNGRD P�*��E���K+�Fv���+Q��C��t7q��/
��0��0�Ƞ	��Cz���
2��;���0
	*�H��
0`10	UUS10U
DigiCert Inc10Uwww.digicert.com10UGeoTrust TLS RSA CA G10
260116000000Z
270211235959Z0T10	UCZ10UPraha10U
ARCDATA PRAHA, s.r.o.10U*.arcdata.cz0��0
	*�H��
��0�������J7@����'��+���Ɨc�����Lj��uz>ٴB��~�*X�
�H<K�guOr����S��4���N�(��@R��JN<[i����޳��;+_����-<�	p�6Y�<�<Q>L]^��އ��q���׌�A?k�'�}\�ط�����,�7R_rA���
aŁ��qQ�w�}?�`�W{^+b�����~���������,Ҁ�{<�곫�%�z�����q��r��~��]g�A�a�Ԣ��'9�oA���Hv)jMئ��(>|��OܿAt`�@2
�K/�R��1��Ǒ��U�%)������R��C��PIl��lM�
ݡw��fK@�[xm�}���1�z�ʻ8�5�\��...<truncated>

Port history

Every port that has answered a connection on this address, and when. A port is listed as open above only when a service was identified on it. Times are UTC.