Skip to content
InternetData
IPv6 address

2001:dc3::

An anycast address, used by A Root DNS Servers, announced by WIDE Project (AS7500).

Summary

Geolocation
Anycast

Announced from many places at once; IP Geolocation names Tokyo, Japan

No VPN, Tor, relay, proxy or hosting

  • Anycast

No SSH, mail, DNS, web or BitTorrent

Geolocation

Where the address is, and what that place uses.

City
Tokyo
Region
Tokyo
Postal code
100-0001
Country
Japan
Continent
Asia
Timezone
Asia/Tokyo

Ownership

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

AS number
AS7500
Prefix
2001:dc3::/32
RPKI
Valid
Type
Education
Registered in
Japan
Name
WIDE
Network name
M-ROOT-DNS-IPv6-20030619
Organization
ORG-WA3-AP
Status
ASSIGNED PORTABLE
Registry
APNIC
Name
ABUSE WIDEJP
Address
Keio University, 5322 Endo Fujisawa 252-8520
Network
2001:dc3::/32
Not seen inIP RWHOISIP RDNS

Anonymity

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

Network

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

Anycast
Announced from many locations

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.