ASN AS21670 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS21670?

AS21670 is listed under Berlin Packaging, LLC.

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.

AS21670 Berlin Packaging, LLC

ASN Lookup Tool

Berlin Packaging, LLC berlinpackaging.com

US 1 Routes

AS Data

AS21670

AS21670 – Berlin Packaging, LLC

AS Number	21670
AS Name	BPC-CERMAK
Organization	Berlin Packaging, LLC(bpl-172)
Country	US
Website	berlinpackaging.com
Number of IPv4 Routes	1
Number of IPv6 Routes	0
ASN type	BUSINESS
Registry	ARIN
Date Allocated	2017-12-06

ASN Intelligence API for production workflows

Use ASN data for AS21670 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
38.57.185.0/24	AS21670	Berlin Packaging, LLC	Berlin Packaging, LLC	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:       21670
ASName:         BPC-CERMAK
ASHandle:       AS21670
RegDate:        2017-12-06
Updated:        2017-12-06    
Ref:            https://rdap.arin.net/registry/autnum/21670


OrgName:        Berlin Packaging, LLC
OrgId:          BPL-172
Address:        525 W MONROE ST.  14TH FLR
City:           CHICAGO
StateProv:      IL
PostalCode:     60661
Country:        US
RegDate:        2017-12-01
Updated:        2024-10-09
Ref:            https://rdap.arin.net/registry/entity/BPL-172


OrgNOCHandle: CALDE168-ARIN
OrgNOCName:   CALDERON, BILL 
OrgNOCPhone:  +1-312-869-7560 
OrgNOCEmail:  bill.calderon@berlinpackaging.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/CALDE168-ARIN

OrgTechHandle: CALDE168-ARIN
OrgTechName:   CALDERON, BILL 
OrgTechPhone:  +1-312-869-7560 
OrgTechEmail:  bill.calderon@berlinpackaging.com
OrgTechRef:    https://rdap.arin.net/registry/entity/CALDE168-ARIN

OrgAbuseHandle: CALDE168-ARIN
OrgAbuseName:   CALDERON, BILL 
OrgAbusePhone:  +1-312-869-7560 
OrgAbuseEmail:  bill.calderon@berlinpackaging.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/CALDE168-ARIN

OrgTechHandle: SILBE25-ARIN
OrgTechName:   Silberhorn, David 
OrgTechPhone:  +1-630-890-5526 
OrgTechEmail:  david.silberhorn@berlinpackaging.com
OrgTechRef:    https://rdap.arin.net/registry/entity/SILBE25-ARIN

OrgTechHandle: REGIS42-ARIN
OrgTechName:   Registrar
OrgTechPhone:  +1-312-869-7500 
OrgTechEmail:  Registrar@berlinpackaging.com
OrgTechRef:    https://rdap.arin.net/registry/entity/REGIS42-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
AS1239	Cogent Communications, LLC	US
AS174	Cogent Communications, LLC	US

Upstreams

AS Number	Description	Country
AS46887	Crown Castle Fiber LLC	US
AS174	Cogent Communications, LLC	US