AS number details

AS173

Nippon Telegraph and Telephone Corporation · ntt.co.jp

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AS173 – Nippon Telegraph and Telephone Corporation

Field	Value
Country	Japan
Website	ntt.co.jp
Hosted domains	0
Number of IPv4	8,704
Number of IPv6	0
ASN type	Business
Registry	apnic
Allocated	22 years ago on Aug 01, 2002
Updated	2 years ago on Jan 11, 2023

Netblock	Company	Num of IPs
163.138.160.0/19	Nippon Telegraph and Telephone Corporation	8,192
192.47.168.0/23	Nippon Telegraph and Telephone Corporation	512

There are no known IPv6 addresses belonging to this network

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WHOIS Details

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ASHandle:       AS173
OrgID:          AS173
ASName:         AS173
ASNumber:       AS173
RegDate:        0000-00-00
Updated:        0000-00-00
TechHandle:     AA00-AAAA
Source:         AAAA

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Hosted Domains

There are no domains currently hosted on this ASN.

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Peers

There are 14 peers for this ASN.

Peers	Name
AS17639	Converge ICT Solutions Inc.
AS20485	Joint Stock Company TransTeleCom
AS24482	SG.GS
AS2511	Nippon Telegraph and Telephone Corporation
AS2518	BIGLOBE Inc.
AS38639	NTT Communications Corporation
AS45489	Sri Lanka Telecom PLC, GLobal Peering
AS64289	Macarne LLC
AS6939	Hurricane Electric LLC
AS7521	INTERNET MULTIFEED CO.
AS8966	EMIRATES TELECOMMUNICATIONS GROUP COMPANY (ETISALAT GROUP) PJSC
AS9002	RETN Limited
AS9299	Philippine Long Distance Telephone Company
AS9370	SAKURA Internet Inc.

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Upstreams

There are 3 upstreams for this ASN.

upstreams	Name
AS2518	BIGLOBE Inc.
AS38639	NTT Communications Corporation
AS7521	INTERNET MULTIFEED CO.

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Downstreams

There is 1 peer for this ASN.

Downstreams	Name
AS2511	Nippon Telegraph and Telephone Corporation

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What is an ASN?

Autonomous System Numbers (ASNs) are assigned to entities such as Internet Service Providers and other large organizations that control blocks of IP addresses. This network page, and the organization field that's shown on the main IP address information page and also returned in the geolocation API are based on the ASN.

The ASN details will often correspond to the IP address owner, but for smaller organizations it may be that organization's parent, or their ISP. Find out more about AS173 at robtex.

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