ASN database

You may find these sub-pages interesting as well:

Related tools

DNS lookup / nslookup / DIG of DNS records. An online tool for DNS lookups. By default recursive lookups querying the authoritative name servers. Lookups on specific DNS resolvers are also possible. Additionally, it will look up secondary records and output a full log of what was done on a technical level.

WHOIS / RDAP lookup

Perform WHOIS and/or RDAP lookups on domains, IP addresses, and ASNs. Will output all available technical info, contact info, etc.

Perform reverse DNS (rDNS/PTR) lookups of any IP.

CIDR calculator

IP to CIDR calculation tool with subnet info. The reverse, CIDR ranges to IP addresses, is also possible. Last but not least, it includes a tool for refactoring groups of IPs, domain names, and/or other CIDR ranges.

What is my IPv4 and IPv6?

Check your own IP - both IPv4 and IPv6. Works as a connectivity test as well.

Online tool GeoIP location of any IP and/or domain.

World map, day/night + local time

Beautiful day/night map of the world, with markup of all major cities including local date and time.

Result

AS1104, AS1104-MNT

Last update of data:
28-04-2024 08:48 UTC

ASN:

AS1104 (Nikhef)

Country:

NL - Netherlands (Europe)

Org.:

AS1104-MNT
https://www.nikhef.nl
Social media: @twitter/X @linkedin @facebook

Stats:

Peers

10

IX'es

3

Prefixes

17

IPv4

+78K

IPv6

1,6E+29

Contact:

Stichting Nederlandse Wetenschappelijk Onderzoek Instituten
Science Park 105
1098 XG
Amsterdam
NETHERLANDS

voice +31-20-5922000

Nikhef CSIRT
Science Park 105
1098 XG
Amsterdam
NETHERLANDS
security@nikhef.nl

History

Date

Peers

IX'es

Prefixes

IPv4

IPv6

Before 10-12-2023

12

3

18

78.592

1,6E+29

10-12-2023

+1

-

-1

-

-0,1E+25

07-01-2024

+2

-

-

-

-

03-03-2024

-1

-

-

-

-

31-03-2024

+3

-

-

-

-

28-04-2024

-7

-

-

-

-

Current

10

3

17

78.592

1,6E+29

Peers

Country

Relationship

ASN

Organization

Peers

Prefix'es

Netherlands

Upstream

Fusix Networks B.V.

129

19

Netherlands

Upstream

1.087

95

Netherlands

Upstream

Broadband Hosting B.V.

-

-

Netherlands

Peer

DELTA Fiber Nederland B.V.

1.036

20

Netherlands

Peer

Netwerkvereniging Coloclue

1.180

6

Russia

Upstream

Joint Stock Company TransTeleCom

1.817

82

Switzerland

Upstream

Openfactory GmbH

1.718

10

Switzerland

Upstream

IPng Networks GmbH

2.163

5

Ukraine

Upstream

Eurotranstelecom Ltd

679

4

United States

Peer

Wikimedia Foundation Inc.

1.672

19

Internet eXchange (IX) connections

Country

City

IX name

Port speed

Members

Netherlands

Amsterdam

1 Gb

845

Netherlands

Amsterdam

20 Gb

165

Netherlands

The Hague

-

601

Announced (uniq) prefixes

Country

ASN

Announced prefix

Description

Size

Netherlands

145.102.132.0/22

NIKHEF

1.024

Netherlands

NIKHEF

1.024

Netherlands

NIKHEF

65.536

Netherlands

145.116.48.0/20

NIKHEF

4.096

Netherlands

145.116.208.0/21

NIKHEF

2.048

Netherlands

145.116.216.0/24

NIKHEF

256

Netherlands

185.153.60.0/22

Stichting Nederlandse Wetenschappelijk Onderzoek Instituten

1.024

Netherlands

192.16.185.0/24

AS1104-MNT

256

Netherlands

192.16.186.0/24

AS1104-MNT

256

Netherlands

192.16.192.0/24

AS1104-MNT

256

Netherlands

192.16.194.0/24

AS1104-MNT

256

- - show more (+6 entries) - -

Log

000	+000	Parse input (ASN)
000	+000	Search database for 'AS1104'
002	+002	1 ASN's found
002	+000	Done
002	+000	Load details of AS1104
008	+006	17 prefixes found
018	+010	10 peers found
025	+007	3 IX members found (5 connections)
027	+002	5 links loaded, 4 verified
029	+002	6 historical items loaded
029	+000	Done

Changelog

Newsletter

Bi-weekly (at most) with updates, changelog and info from the website. Just straight to the point info - no BS! Sign up right here, or read more about the iamroot.tech newsletter.

Signup using Google

Signup using Github

Other options: Signup using Microsoft or Signup using Facebook.

OR

No personal information gathered anywhere. E-mail may be used for login and/or newsletter - will not be sold or used by anyone else but iamroot.tech. Cookies are in use for statistical and useability purposes. Trademarks property of their respective owners. A privacy policy and terms and conditions is availible if you like.

iamrootdottech@gmail.com
Bundgaard - Løvenørnsgade 56, 2tv - DK-8700 Horsens - Denmark

Shoutouts and credits to: Bootstrap, jQuery, Bootstrap live customizer by Virtuosoft, DnsClient.NET by MichaCo, LazyLoad by Mika Tuupola, the Olson tz database by IANA, Visible earth by NASA, GeoLite2 by MaxMind, Barcoder by Wouter Huysentruit, ICONS8.
json-viewer by alenaksu.

iamrootdottech@gmail.com
Bundgaard - Løvenørnsgade 56, 2tv - DK-8700 Horsens - Denmark

No personal information gathered anywhere. E-mail may be used for login and/or newsletter - will not be sold or used by anyone else but iamroot.tech. Cookies are in use for statistical and useability purposes. Trademarks property of their respective owners. A privacy policy and terms and conditions is availible if you like.