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.

Reverse DNS

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

CIDR calculator

beta

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.

GeoIP location

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

World map, day/night + local time

beta

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

Result

AS37918, Nippon Telegraph and Telephone Corporation

Last update of data:
27-04-2024 21:47 UTC

ASN:

AS37918 (ECL-INET)

Country:

JP - Japan (Asia)

Org.:

Nippon Telegraph and Telephone Corporation

Stats:

Peers

IX'es

Prefixes

IPv4

+69K

IPv6

1,2E+24

Contact:

Nippon Telegraph and Telephone Corporation
JP

History

Date

Peers

IX'es

Prefixes

IPv4

IPv6

Before 09-12-2023

+102K

1,2E+24

09-12-2023

-2

-33.024

06-01-2024

-3

02-03-2024

-3

30-03-2024

Current

69.376

1,2E+24

Peers

Country

Relationship

ASN

Organization

Peers

Prefix'es

Britain (UK)

Peer

AS9002

RETN Limited

3.248

Japan

Upstream

AS2907

for assignment to JPNIC members

145

528

Japan

Upstream

AS2497

JPNIC-2Byte-ASBLOCK-AP

341

176

Japan

Upstream

AS9370

SAKURA Internet Inc.

102

Japan

Peer

AS151420

Rapid-Fire-y

692

Philippines

Peer

AS17639

ComClark Network & Technology Corp

1.102

Russia

Upstream

AS20485

Joint Stock Company TransTeleCom

1.450

Singapore

Upstream

AS24482

SG.GS

8.400

Sri Lanka

Peer

AS45489

Sri Lanka Telecom Ltd

1.799

United States

Upstream

AS6939

Hurricane Electric LLC

10.675

262

Internet eXchange (IX) connections

Country

City

IX name

Port speed

Members

Japan

Tokyo

JPNAP - Tokyo

Announced (uniq) prefixes

Country

ASN

Announced prefix

Description

Size

Japan

AS37918

129.60.0.0/16