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

AS131921, GMO GlobalSign Holdings K.K.

Last update of data:
10-04-2024 20:29 UTC

ASN:

AS131921 (GMOCL)

Country:

JP - Japan (Asia)

Org.:

GMO GlobalSign Holdings K.K.

Stats:

Peers

12

IX'es

-

Prefixes

13

IPv4

+84K

IPv6

1,2E+27

Contact:

GMO GlobalSign Holdings K.K.
JP

History

Date

Peers

IX'es

Prefixes

IPv4

IPv6

Before 19-12-2023

14

-

12

80.384

1,2E+27

19-12-2023

-1

-

+1

+4.352

-

13-02-2024

+1

-

-

-

-

13-03-2024

-1

-

-

-

-

10-04-2024

-1

-

-

-

-

Current

12

-

13

84.736

1,2E+27

Peers

Country

Relationship

ASN

Organization

Peers

Prefix'es

Britain (UK)

Peer

3.248

37

France

Peer

F5 Networks SARL

5.648

35

Japan

Upstream

JPNIC-2Byte-ASBLOCK-AP

341

176

Japan

Upstream

292

347

Japan

Peer

265

5

Japan

Peer

Home NOC Operators Group

418

5

Japan

Peer

692

4

Japan

Downstream

GMO GlobalSign Holdings K.K.

2

3

Singapore

Upstream

8.400

17

Taiwan

Peer

Sky Digital Co., Ltd.

499

23

United States

Upstream

Hurricane Electric LLC

10.675

262

United States

Peer

Unitas Global LLC

5.688

251

Announced (uniq) prefixes

Country

ASN

Announced prefix

Description

Size

Japan

DIX Co., Ltd.

65.536

Japan

DIX Co., Ltd.

4.096

Japan

153.124.128.0/20

DIX Co., Ltd.

4.096

Japan

157.120.115.0/24

GMO GlobalSign Holdings K.K.

256

Japan

180.131.136.0/21

GMO GlobalSign Holdings K.K.

2.048

Japan

180.222.176.0/20

GMO GlobalSign Holdings K.K.

4.096

Japan

202.237.148.0/23

Japan Network Information Center

512

Japan

210.158.32.0/20

Japan Network Information Center

4.096

Country

ASN

Announced prefix

Description

Size

Japan

2406:a1c0:2::/48

Japan Network Information Center

1,2E+24

Japan

2406:a1c0:100::/40

Japan Network Information Center

3,1E+26

Japan

2406:a1c0:200::/40

Japan Network Information Center

3,1E+26

Japan

2406:a1c0:300::/40

Japan Network Information Center

3,1E+26

Japan

2406:a1c0:400::/40

Japan Network Information Center

3,1E+26

Log

000	+000	Parse input (ASN)
000	+000	Search database for 'AS131921'
002	+002	1 ASN's found
002	+000	Done
002	+000	Load details of AS131921
009	+007	13 prefixes found
026	+016	12 peers found
028	+002	No matching IX connections found!
031	+003	5 historical items loaded
031	+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.