What is ASN AS400245?

ASN AS400245 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS400245?

AS400245 is listed under AlphaCentri Corporation.

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.

AS400245 AlphaCentri Corporation

ASN Lookup Tool

AlphaCentri Corporation alphacentri.com

US 8 Routes

AS Data

AS400245

AS400245 – AlphaCentri Corporation

AS Number	400245
AS Name	AS400245
Organization	AlphaCentri Corporation(ac-5371)
Country	US
Website	alphacentri.com
Number of IPv4 Routes	4
Number of IPv6 Routes	4
ASN type	BUSINESS
Registry	ARIN
Date Allocated	2021-11-22

ASN Intelligence API for production workflows

Use ASN data for AS400245 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
165.140.125.0/24	AS400245	AlphaCentri Corporation	AlphaCentri Corporation	256
2602:fb7d::/48	AS400245	AlphaCentri Corporation	AlphaCentri Corporation	~1×10²⁴
165.140.126.0/24	AS400245	AlphaCentri Corporation	AlphaCentri Corporation	256
165.140.124.0/24	AS400245	AlphaCentri Corporation	AlphaCentri Corporation	256
165.140.127.0/24	AS400245	AlphaCentri Corporation	AlphaCentri Corporation	256
2602:fb7d:3::/48	AS400245	AlphaCentri Corporation	AlphaCentri Corporation	~1×10²⁴
2602:fb7d:1::/48	AS400245	AlphaCentri Corporation	AlphaCentri Corporation	~1×10²⁴
2602:fb7d:2::/48	AS400245	AlphaCentri Corporation	AlphaCentri Corporation	~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:       400245
ASName:         AS400245
ASHandle:       AS400245
RegDate:        2021-11-22
Updated:        2025-07-09    
Ref:            https://rdap.arin.net/registry/autnum/400245


OrgName:        AlphaCentri Corporation
OrgId:          AC-5371
Address:        120 Doty Street, Unit 153
City:           Kaukauna
StateProv:      WI
PostalCode:     54130
Country:        US
RegDate:        2021-09-10
Updated:        2025-07-09
Ref:            https://rdap.arin.net/registry/entity/AC-5371


OrgNOCHandle: NETWO9723-ARIN
OrgNOCName:   Network Operations
OrgNOCPhone:  +1-888-720-1024 
OrgNOCEmail:  network@alphacentri.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/NETWO9723-ARIN

OrgDNSHandle: NETWO9723-ARIN
OrgDNSName:   Network Operations
OrgDNSPhone:  +1-888-720-1024 
OrgDNSEmail:  network@alphacentri.com
OrgDNSRef:    https://rdap.arin.net/registry/entity/NETWO9723-ARIN

OrgTechHandle: NETWO9723-ARIN
OrgTechName:   Network Operations
OrgTechPhone:  +1-888-720-1024 
OrgTechEmail:  network@alphacentri.com
OrgTechRef:    https://rdap.arin.net/registry/entity/NETWO9723-ARIN

OrgRoutingHandle: NETWO9723-ARIN
OrgRoutingName:   Network Operations
OrgRoutingPhone:  +1-888-720-1024 
OrgRoutingEmail:  network@alphacentri.com
OrgRoutingRef:    https://rdap.arin.net/registry/entity/NETWO9723-ARIN

OrgAbuseHandle: ABUSE8485-ARIN
OrgAbuseName:   Abuse
OrgAbusePhone:  +1-888-720-1024 
OrgAbuseEmail:  abuse@alphacentri.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/ABUSE8485-ARIN

RNOCHandle: NETWO9723-ARIN
RNOCName:   Network Operations
RNOCPhone:  +1-888-720-1024 
RNOCEmail:  network@alphacentri.com
RNOCRef:    https://rdap.arin.net/registry/entity/NETWO9723-ARIN

RAbuseHandle: ABUSE8485-ARIN
RAbuseName:   Abuse
RAbusePhone:  +1-888-720-1024 
RAbuseEmail:  abuse@alphacentri.com
RAbuseRef:    https://rdap.arin.net/registry/entity/ABUSE8485-ARIN

RTechHandle: NETWO9723-ARIN
RTechName:   Network Operations
RTechPhone:  +1-888-720-1024 
RTechEmail:  network@alphacentri.com
RTechRef:    https://rdap.arin.net/registry/entity/NETWO9723-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
AS6939	Hurricane Electric LLC	US
AS20473	The Constant Company, LLC	US

Upstreams

AS Number	Description	Country
AS6939	Hurricane Electric LLC	US
AS20473	The Constant Company, LLC	US

Contacts

Email Contacts

network@alphacentri.com

Abuse Contacts

abuse@alphacentri.com