What is ASN AS399603?

ASN AS399603 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS399603?

AS399603 is listed under APPSYNERGY INC.

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.

AS399603 APPSYNERGY INC | IPGeolocation.io

ASN Lookup Tool

APPSYNERGY INC appsynergy.io

US 1 Routes

AS Data

AS399603

AS399603 – APPSYNERGY INC

AS Number	399603
AS Name	APPSYNERGY
Organization	APPSYNERGY INC(appsy)
Country	US
Website	appsynergy.io
Number of IPv4 Routes	1
Number of IPv6 Routes	0
ASN type	BUSINESS
Registry	ARIN
Date Allocated	2021-04-23

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Use ASN data for AS399603 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
64.112.14.0/24	AS399603	APPSYNERGY INC	APPSYNERGY 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:       399603
ASName:         APPSYNERGY
ASHandle:       AS399603
RegDate:        2021-04-23
Updated:        2025-02-26    
Ref:            https://rdap.arin.net/registry/autnum/399603


OrgName:        APPSYNERGY INC
OrgId:          APPSY
Address:        300 Walnut St
City:           Des Moines
StateProv:      IA
PostalCode:     50309
Country:        US
RegDate:        2021-01-27
Updated:        2025-02-26
Ref:            https://rdap.arin.net/registry/entity/APPSY


OrgAbuseHandle: NOM50-ARIN
OrgAbuseName:   Network Operations Manager
OrgAbusePhone:  +1-780-652-2604 
OrgAbuseEmail:  noc@appsynergy.io
OrgAbuseRef:    https://rdap.arin.net/registry/entity/NOM50-ARIN

OrgRoutingHandle: NOM50-ARIN
OrgRoutingName:   Network Operations Manager
OrgRoutingPhone:  +1-780-652-2604 
OrgRoutingEmail:  noc@appsynergy.io
OrgRoutingRef:    https://rdap.arin.net/registry/entity/NOM50-ARIN

OrgNOCHandle: NOM50-ARIN
OrgNOCName:   Network Operations Manager
OrgNOCPhone:  +1-780-652-2604 
OrgNOCEmail:  noc@appsynergy.io
OrgNOCRef:    https://rdap.arin.net/registry/entity/NOM50-ARIN

OrgDNSHandle: NOM50-ARIN
OrgDNSName:   Network Operations Manager
OrgDNSPhone:  +1-780-652-2604 
OrgDNSEmail:  noc@appsynergy.io
OrgDNSRef:    https://rdap.arin.net/registry/entity/NOM50-ARIN

OrgTechHandle: NOM50-ARIN
OrgTechName:   Network Operations Manager
OrgTechPhone:  +1-780-652-2604 
OrgTechEmail:  noc@appsynergy.io
OrgTechRef:    https://rdap.arin.net/registry/entity/NOM50-ARIN

RTechHandle: NOM50-ARIN
RTechName:   Network Operations Manager
RTechPhone:  +1-780-652-2604 
RTechEmail:  noc@appsynergy.io
RTechRef:    https://rdap.arin.net/registry/entity/NOM50-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
AS16276	OVH SAS	FR

Upstreams

AS Number	Description	Country
AS16276	OVH SAS	FR