What is ASN AS397656?

ASN AS397656 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS397656?

AS397656 is listed under Centrien.

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.

AS397656 Centrien | IPGeolocation.io

ASN Lookup Tool

Centrien centrien.com

US 1 Routes

AS Data

AS397656

AS397656 – Centrien

AS Number	397656
AS Name	CHI01-US-CENTRIEN-COM
Organization	Centrien(ccgl-80)
Country	US
Website	centrien.com
Number of IPv4 Routes	1
Number of IPv6 Routes	0
ASN type	ISP
Registry	ARIN
Date Allocated	2019-06-19

ASN Intelligence API for production workflows

Use ASN data for AS397656 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
23.137.144.0/24	AS397656	Centrien	Centrien	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:       397656
ASName:         CHI01-US-CENTRIEN-COM
ASHandle:       AS397656
RegDate:        2019-06-19
Updated:        2024-07-09    
Ref:            https://rdap.arin.net/registry/autnum/397656


OrgName:        Centrien
OrgId:          CCGL-80
Address:        1309 Coffeen Avenue
Address:        Suite 4580
City:           Sheridan
StateProv:      WY
PostalCode:     82801
Country:        US
RegDate:        2022-02-16
Updated:        2024-07-10
Ref:            https://rdap.arin.net/registry/entity/CCGL-80


OrgRoutingHandle: PATEL513-ARIN
OrgRoutingName:   Patel, Bhavin 
OrgRoutingPhone:  +1-312-590-5407 
OrgRoutingEmail:  bpatel@centrien.com
OrgRoutingRef:    https://rdap.arin.net/registry/entity/PATEL513-ARIN

OrgTechHandle: PATEL513-ARIN
OrgTechName:   Patel, Bhavin 
OrgTechPhone:  +1-312-590-5407 
OrgTechEmail:  bpatel@centrien.com
OrgTechRef:    https://rdap.arin.net/registry/entity/PATEL513-ARIN

OrgDNSHandle: PATEL513-ARIN
OrgDNSName:   Patel, Bhavin 
OrgDNSPhone:  +1-312-590-5407 
OrgDNSEmail:  bpatel@centrien.com
OrgDNSRef:    https://rdap.arin.net/registry/entity/PATEL513-ARIN

OrgAbuseHandle: PATEL513-ARIN
OrgAbuseName:   Patel, Bhavin 
OrgAbusePhone:  +1-312-590-5407 
OrgAbuseEmail:  bpatel@centrien.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/PATEL513-ARIN

OrgNOCHandle: PATEL513-ARIN
OrgNOCName:   Patel, Bhavin 
OrgNOCPhone:  +1-312-590-5407 
OrgNOCEmail:  bpatel@centrien.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/PATEL513-ARIN

RTechHandle: PATEL513-ARIN
RTechName:   Patel, Bhavin 
RTechPhone:  +1-312-590-5407 
RTechEmail:  bpatel@centrien.com
RTechRef:    https://rdap.arin.net/registry/entity/PATEL513-ARIN

RNOCHandle: PATEL513-ARIN
RNOCName:   Patel, Bhavin 
RNOCPhone:  +1-312-590-5407 
RNOCEmail:  bpatel@centrien.com
RNOCRef:    https://rdap.arin.net/registry/entity/PATEL513-ARIN

RAbuseHandle: PATEL513-ARIN
RAbuseName:   Patel, Bhavin 
RAbusePhone:  +1-312-590-5407 
RAbuseEmail:  bpatel@centrien.com
RAbuseRef:    https://rdap.arin.net/registry/entity/PATEL513-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
AS212895	Johannes Ernst	DE

Upstreams

AS Number	Description	Country
AS212895	Johannes Ernst	DE