91.207.51.59
An address in Cardiff, Wales, United Kingdom, used by Penguin Internet Ltd, announced by SysGroup plc (AS39537). Of our anonymity, network and probe databases, it is in Hosting IP, SSH IP, SMTP IP, and DNS Resolver IP.
11 of 21 address-keyed databases hold it
- Location
- Cardiff, Wales, United Kingdom
- Company
- Penguin Internet Ltd
- Network
- AS39537 SysGroup plc
- Prefix
- 91.207.50.0/23
- Hostname
- reverse.penguin-uk.com
- Registered to
- Penguin Internet Ltd
- Network type
- Business
- Abuse contact
- abuse@penguin-uk.com
- Anycast
- No
Anonymity
Whether the address hides someone else: a VPN, Tor, a relay, a proxy pool, or a hosting range.
Ownership
Who holds the address: the AS announcing it, the registry record, the abuse contact and its name in DNS.
- Company
- Penguin Internet Ltd
- Domain
- penguin-uk.com
- Type
- ISP
- Registered in
- United Kingdom
- AS number
- AS39537
- Name
- SysGroup plc
- Prefix
- 91.207.50.0/23
- RPKI
- not found
- Type
- Business
- Domain
- hns.net
- Registered in
- United Kingdom
- Name
- Penguin Internet Ltd
- Handle
- Penguin-Internet
- Organization
- ORG-PIL8-RIPE
- Status
- ASSIGNED PI
- Registry
- ripe
- Domain
- penguin-uk.com
- Abuse
- abuse@penguin-uk.com
- Name
- Penguin Abuse
- abuse@penguin-uk.com
- Phone
- +442920090017
- Address
- 733b Newport Road, Rumney, Cardiff, CF3 4FD
- Network
- 91.207.50.0-91.207.51.255
Geolocation
Where the address is, and what that place uses.
- City
- Cardiff
- Region
- Wales
- Postal code
- CF10
- Country
- United Kingdom
- Continent
- Europe
- Coordinates
- 51.4800, -3.1800
- Timezone
- Europe/London
Network
What kind of network it is on: a mobile carrier, an anycast service, a CDN edge.
Probe
What our own internet-wide measurement found listening on it.
- Port
- 22
- Banner
- SSH-2.0-OpenSSH_9.9
- Host key
- SHA256:d166c5242470c74423009dcb5b6aed748cdc1463309712c11391bd01a6c52408
- Handshake
- Completed
- First seen
- 2026-07-13
- Last seen
- 2026-09-25
- Port
- 587
- Banner
- 220-record.mapletreestudios.com ESMTP Exim 4.100.1 #2 Sun, 04 Oct 2026 05:14:23 +0530 220-We do not authorize the use of this system to transport unsolicited, 220 and/or bulk e-mail.
- Greeting
- Completed
- First seen
- 2026-07-17
- Last seen
- 2026-09-30
- Port
- 53
- Recursion
- Refused
- Response code
- 5
- Answer
- Wrong
- First seen
- 2026-07-17
- Last seen
- 2026-09-27
Test the real build first.
An evaluation license puts a full current build in your hands — every row, every column, no sampling — so you can measure it against your own traffic before anyone talks about terms.