ASN AS22283 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS22283?

AS22283 is listed under Sidley Austin LLP.

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.

AS22283 Sidley Austin LLP | IPGeolocation.io

ASN Lookup Tool

Sidley Austin LLP sidley.com

US 24 Routes

AS Data

AS22283

AS22283 – Sidley Austin LLP

AS Number	22283
AS Name	SIDLEY
Organization	Sidley Austin LLP(sal-313)
Country	US
Website	sidley.com
Number of IPv4 Routes	24
Number of IPv6 Routes	0
ASN type	BUSINESS
Registry	ARIN
Date Allocated	2001-08-28

ASN Intelligence API for production workflows

Use ASN data for AS22283 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
198.232.61.0/24	AS22283	Sidley Austin LLP	Sidley Austin LLP	256
198.232.55.0/24	AS22283	Sidley Austin LLP	Sidley Austin LLP	256
198.232.58.0/24	AS22283	Sidley Austin LLP	Sidley Austin LLP	256
198.232.45.0/24	AS22283	Sidley Austin LLP	Sidley Austin LLP	256
198.232.42.0/24	AS22283	Sidley Austin LLP	Sidley Austin LLP	256
198.232.44.0/24	AS22283	Sidley Austin LLP	Sidley Austin LLP	256
198.232.37.0/24	AS22283	Sidley Austin LLP	Sidley Austin LLP	256
198.232.56.0/24	AS22283	Sidley Austin LLP	Sidley Austin LLP	256
198.232.63.0/24	AS22283	Sidley Austin LLP	Sidley Austin LLP	256
198.232.52.0/24	AS22283	Sidley Austin LLP	Sidley Austin LLP	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:       22283
ASName:         SIDLEY
ASHandle:       AS22283
RegDate:        2001-08-28
Updated:        2022-09-15    
Ref:            https://rdap.arin.net/registry/autnum/22283


OrgName:        Sidley Austin LLP
OrgId:          SAL-313
Address:        1 S Dearborn St
City:           Chicago
StateProv:      IL
PostalCode:     60603
Country:        US
RegDate:        2022-04-12
Updated:        2026-01-30
Ref:            https://rdap.arin.net/registry/entity/SAL-313


OrgTechHandle: MEV1-ARIN
OrgTechName:   Vendl, Mark 
OrgTechPhone:  +1-312-456-5724 
OrgTechEmail:  mvendl@sidley.com
OrgTechRef:    https://rdap.arin.net/registry/entity/MEV1-ARIN

OrgAbuseHandle: ABUSE6323-ARIN
OrgAbuseName:   Abuse
OrgAbusePhone:  +1-312-853-7000 
OrgAbuseEmail:  abuse@sidley.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/ABUSE6323-ARIN

OrgRoutingHandle: MEV1-ARIN
OrgRoutingName:   Vendl, Mark 
OrgRoutingPhone:  +1-312-456-5724 
OrgRoutingEmail:  mvendl@sidley.com
OrgRoutingRef:    https://rdap.arin.net/registry/entity/MEV1-ARIN

OrgTechHandle: WENST1-ARIN
OrgTechName:   Wenstrand, Peter 
OrgTechPhone:  +1-312-456-5720 
OrgTechEmail:  pwenstrand@sidley.com
OrgTechRef:    https://rdap.arin.net/registry/entity/WENST1-ARIN

OrgRoutingHandle: WENST1-ARIN
OrgRoutingName:   Wenstrand, Peter 
OrgRoutingPhone:  +1-312-456-5720 
OrgRoutingEmail:  pwenstrand@sidley.com
OrgRoutingRef:    https://rdap.arin.net/registry/entity/WENST1-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
AS4515	PCCW IMS Ltd PCCW Business Internet Access	HK
AS15830	Equinix EMEA Acquisition Enterprises B.V.	NL
AS703	Verizon Business	US
AS7018	AT&T Enterprises, LLC	US
AS8220	COLT Technology Services Group Limited	GB
AS702	Verizon Business	US
AS702	Verizon Business/UUnet Europe	US
AS15830	Equinix (EMEA) Acquisition Enterprises B.V.	NL
AS2686	ATGS-MMD-AS - AT&T Enterprises, LLC	US
AS701	Verizon Business/UUnet	US

Upstreams

AS Number	Description	Country
AS4515	PCCW IMS Ltd PCCW Business Internet Access	HK
AS15830	Equinix EMEA Acquisition Enterprises B.V.	NL
AS703	Verizon Business	US
AS8220	COLT Technology Services Group Limited	GB
AS3561	CenturyLink Communications, LLC	US
AS702	Verizon Business	US
AS7018	AT&T Enterprises, LLC	US
AS2686	IANA - Autonomous System Number	US
AS2687	AT&T Enterprises, LLC	US
AS2914	NTT America, Inc.	US