ASN AS54721 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS54721?

AS54721 is listed under NGEN Networks.

What do peers, upstreams, and downstreams mean in ASN data?

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 shown for an ASN?

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

How can I access the full ASN tables?

The page shows a preview of large ASN datasets. Use the page controls to load more rows, and upgrade to a paid plan for complete access.

AS54721 NGEN Networks | IPGeolocation.io

ASN Lookup Tool

NGEN Networks ngennetworks.com

US 7 Routes

AS Data

AS54721

AS54721 – NGEN Networks

AS Number	54721
AS Name	AS-NGEN
Organization	NGEN Networks(nnl-33)
Country	US
Website	ngennetworks.com
Number of IPv4 Routes	2
Number of IPv6 Routes	5
ASN type	ISP
Registry	ARIN
Date Allocated	2017-04-19

ASN Intelligence API for production workflows

Use ASN data for AS54721 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

Access complete peers, upstreams, downstreams, routes, WHOIS, and contact intelligence via our API. Learn more

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
23.163.129.0/24	AS54721	NGEN Networks	NGEN Networks	256
2602:fef4:500::/48	AS54721	NGEN Networks	NGEN Networks	~1×10²⁴
2602:fef4:400::/48	AS54721	NGEN Networks	NGEN Networks	~1×10²⁴
23.163.128.0/24	AS54721	NGEN Networks	NGEN Networks, LLC	256
2602:fef4:200::/48	AS54721	NGEN Networks	NGEN Networks	~1×10²⁴
2602:fef4:300::/48	AS54721	NGEN Networks	NGEN Networks Seattle	~1×10²⁴
2602:fef4::/48	AS54721	NGEN Networks	NGEN Networks	~1×10²⁴

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:       54721
ASName:         AS-NGEN
ASHandle:       AS54721
RegDate:        2017-04-19
Updated:        2017-04-28    
Ref:            https://rdap.arin.net/registry/autnum/54721


OrgName:        NGEN Networks
OrgId:          NNL-33
Address:        16192 Coastal Highway
City:           Lewes
StateProv:      DE
PostalCode:     19958
Country:        US
RegDate:        2017-04-05
Updated:        2023-07-17
Ref:            https://rdap.arin.net/registry/entity/NNL-33


OrgTechHandle: NNO99-ARIN
OrgTechName:   NGEN Network Operations
OrgTechPhone:  +1-302-591-6436 
OrgTechEmail:  noc@ngennetworks.com
OrgTechRef:    https://rdap.arin.net/registry/entity/NNO99-ARIN

OrgAbuseHandle: NAD106-ARIN
OrgAbuseName:   NGEN Abuse Department
OrgAbusePhone:  +1-302-591-6436 
OrgAbuseEmail:  abuse@ngennetworks.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/NAD106-ARIN

OrgNOCHandle: NNO99-ARIN
OrgNOCName:   NGEN Network Operations
OrgNOCPhone:  +1-302-591-6436 
OrgNOCEmail:  noc@ngennetworks.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/NNO99-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
AS20473	The Constant Company, LLC	US

Upstreams

AS Number	Description	Country
AS20473	The Constant Company, LLC	US

Contacts

Email Contacts

noc@ngennetworks.com

Abuse Contacts

abuse@ngennetworks.com