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AS400103 Dyne Therapeutics, Inc.

Q: Why is WHOIS data shown for an ASN?

WHOIS data provides registration and contact context for ASN ownership, administration, and operational reference.

ASN Lookup Tool

Dyne Therapeutics, Inc. dyne-tx.com

US 1 Routes

AS Data

AS400103

AS400103 – Dyne Therapeutics, Inc.

AS Number	400103
AS Name	DYNE-BGP-01
Organization	Dyne Therapeutics, Inc.(dt-717)
Country	US
Website	dyne-tx.com
Number of IPv4 Routes	1
Number of IPv6 Routes	0
ASN type	BUSINESS
Registry	ARIN
Date Allocated	2021-10-05

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Use ASN data for AS400103 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
50.216.164.0/24	AS400103	Dyne Therapeutics, Inc.	Dyne Therapeutics, Inc	256

Raw Whois Response

#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2026, American Registry for Internet Numbers, Ltd.
#


ASNumber:       400103
ASName:         DYNE-BGP-01
ASHandle:       AS400103
RegDate:        2021-10-05
Updated:        2021-10-05    
Ref:            https://rdap.arin.net/registry/autnum/400103


OrgName:        Dyne Therapeutics, Inc.
OrgId:          DT-717
Address:        1560 Trapelo Rd
City:           Waltham
StateProv:      MA
PostalCode:     02451
Country:        US
RegDate:        2021-05-12
Updated:        2023-04-26
Ref:            https://rdap.arin.net/registry/entity/DT-717


OrgAbuseHandle: IT341-ARIN
OrgAbuseName:   IT
OrgAbusePhone:  +1-781-786-8230 
OrgAbuseEmail:  it@dyne-tx.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/IT341-ARIN

OrgTechHandle: IT341-ARIN
OrgTechName:   IT
OrgTechPhone:  +1-781-786-8230 
OrgTechEmail:  it@dyne-tx.com
OrgTechRef:    https://rdap.arin.net/registry/entity/IT341-ARIN


#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2026, American Registry for Internet Numbers, Ltd.
#

Parsed Whois Response

Peers

AS Number	Description	Country
AS46887	Crown Castle Fiber LLC	US
AS7015	Comcast Cable Communications, LLC	US

Upstreams

AS Number	Description	Country
AS46887	Crown Castle Fiber LLC	US
AS7015	Comcast Cable Communications, LLC	US

Frequently Asked Questions

What is ASN AS400103?

ASN AS400103 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS400103?

AS400103 is listed under Dyne Therapeutics, Inc..

What do peers, upstreams, and downstreams mean?

Peers are lateral network interconnections, upstreams are transit providers, and downstreams are customer networks receiving connectivity.

What are routes and IP ranges for an ASN?

Routes and IP ranges are the network prefixes announced by the ASN on the internet and show the address space it originates.

Why is WHOIS data included here?

WHOIS provides registration and contact context for ASN ownership, administration, and operational reference.

How can I access full ASN table data?

This page previews large ASN datasets. Use See more to load additional rows, and upgrade your plan to view complete peer, route, upstream, and downstream data.