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InternetData
IPv6 address

2001:690:810:21::

An address in Paranhos, Porto, Portugal, used by Universidade do Porto, announced by Fundacao para a Ciencia e a Tecnologia, I.P. (AS1930). It's hosting space.

Summary

  • Hosting

No mobile carrier, anycast or CDN

No SSH, mail, DNS, web or BitTorrent

Geolocation

Where the address is, and what that place uses.

City
Paranhos
Region
Porto
Postal code
4720-551
Country
Portugal
Continent
Europe
Coordinates
41.1729, -8.5993
Timezone
Europe/Lisbon

Ownership

Who holds the address: the AS announcing it, the registry record, the abuse contact and its name in DNS.

AS number
AS1930
Prefix
2001:690::/32
RPKI
Valid
Type
Education
Domain
fccn.pt
Registered in
Portugal
Network name
RCTS-BACKBONE-IPv6-UP-SEC
Organization
ORG-UDP5-RIPE
Status
ASSIGNED
Registry
RIPE NCC
Domain
uporto.pt
Name
CSIRT Universidade do Porto
Phone
+351 220408187
Address
Universidade do Porto, Praca Gomes Teixeira, 4099-002 Porto, PORTUGAL
Network
2001:690:810:21::/64
Not seen inIP RWHOISIP RDNS

Anonymity

Whether the address hides someone else: a VPN, Tor, a relay, a proxy pool, or a hosting range.

Confidence
Medium
Last seen
2026-11-10

Network

What kind of network it is on: a mobile carrier, a satellite operator, an anycast service, a CDN edge.

Services

What our own internet-wide measurement found listening on it.

Domain

The registered domains that resolve to the address, the most popular first.

00 · Evaluate

Test the real build first.

An evaluation license puts a full current build in your hands, with no sampling, so you can measure it against your own traffic before anyone talks about terms.

01 · License

Then license what you use.

Standard, for detection and decisions inside your own product and operations.
Redistribution, when the data ships onward inside what you sell, priced by scope rather than by seat.
Annual terms, a named contact, and monthly, quarterly or yearly payment.