ASN AS33573 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS33573?

AS33573 is listed under Bay Area Air Quality Management District.

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.

AS33573 Bay Area Air Quality Management District

ASN Lookup Tool

Bay Area Air Quality Management District baaqmd.gov

US 2 Routes

AS Data

AS33573

AS33573 – Bay Area Air Quality Management District

AS Number	33573
AS Name	BAQMD-SF
Organization	Bay Area Air Quality Management District(baqmd)
Country	US
Website	baaqmd.gov
Number of IPv4 Routes	2
Number of IPv6 Routes	0
ASN type	GOVERNMENT
Registry	ARIN
Date Allocated	2010-11-01

ASN Intelligence API for production workflows

Use ASN data for AS33573 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
192.137.109.0/24	AS33573	Bay Area Air Quality Management District	Bay Area Air Quality Management District	256
192.137.110.0/24	AS33573	Bay Area Air Quality Management District	Bay Area Air Quality Management District	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:       33573
ASName:         BAQMD-SF
ASHandle:       AS33573
RegDate:        2010-11-01
Updated:        2012-02-24    
Ref:            https://rdap.arin.net/registry/autnum/33573


OrgName:        Bay Area Air Quality Management District
OrgId:          BAQMD
Address:        ISS Divison
Address:        375 Beale St.
City:           San Francisco
StateProv:      CA
PostalCode:     94105
Country:        US
RegDate:        1992-01-06
Updated:        2018-04-23
Ref:            https://rdap.arin.net/registry/entity/BAQMD


OrgTechHandle: BAAQM-ARIN
OrgTechName:   BAAQMD-ARIN-TECH
OrgTechPhone:  +1-415-749-5000 
OrgTechEmail:  baaqmd-arin@baaqmd.gov
OrgTechRef:    https://rdap.arin.net/registry/entity/BAAQM-ARIN

OrgAbuseHandle: BAAQM-ARIN
OrgAbuseName:   BAAQMD-ARIN-TECH
OrgAbusePhone:  +1-415-749-5000 
OrgAbuseEmail:  baaqmd-arin@baaqmd.gov
OrgAbuseRef:    https://rdap.arin.net/registry/entity/BAAQM-ARIN

RAbuseHandle: BAAQM-ARIN
RAbuseName:   BAAQMD-ARIN-TECH
RAbusePhone:  +1-415-749-5000 
RAbuseEmail:  baaqmd-arin@baaqmd.gov
RAbuseRef:    https://rdap.arin.net/registry/entity/BAAQM-ARIN

RTechHandle: BAAQM-ARIN
RTechName:   BAAQMD-ARIN-TECH
RTechPhone:  +1-415-749-5000 
RTechEmail:  baaqmd-arin@baaqmd.gov
RTechRef:    https://rdap.arin.net/registry/entity/BAAQM-ARIN

RNOCHandle: BAAQM-ARIN
RNOCName:   BAAQMD-ARIN-TECH
RNOCPhone:  +1-415-749-5000 
RNOCEmail:  baaqmd-arin@baaqmd.gov
RNOCRef:    https://rdap.arin.net/registry/entity/BAAQM-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
AS7018	AT&T Enterprises, LLC	US
AS174	Cogent Communications, LLC	US

Upstreams

AS Number	Description	Country
AS7018	AT&T Enterprises, LLC	US
AS174	Cogent Communications, LLC	US