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AS33435 City of Springfield, Massachusetts

Q: Why is WHOIS data shown for an ASN?

WHOIS data provides registration and contact context for ASN ownership, administration, and operational reference.

ASN Lookup Tool

City of Springfield, Massachusetts springfieldcityhall.com

US 1 Routes

AS Data

AS33435

AS33435 – City of Springfield, Massachusetts

AS Number	33435
AS Name	CITYOFSPRINGFIELDMA
Organization	City of Springfield, Massachusetts(csm-102)
Country	US
Website	springfieldcityhall.com
Number of IPv4 Routes	1
Number of IPv6 Routes	0
ASN type	GOVERNMENT
Registry	ARIN
Date Allocated	2017-11-29

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Use ASN data for AS33435 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
66.37.46.0/24	AS33435	City of Springfield, Massachusetts	City of Springfield, Massachusetts	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:       33435
ASName:         CITYOFSPRINGFIELDMA
ASHandle:       AS33435
RegDate:        2017-11-29
Updated:        2017-11-29    
Ref:            https://rdap.arin.net/registry/autnum/33435


OrgName:        City of Springfield, Massachusetts
OrgId:          CSM-102
Address:        36 Court Street
City:           Springfield
StateProv:      MA
PostalCode:     01103
Country:        US
RegDate:        2013-08-19
Updated:        2013-08-19
Ref:            https://rdap.arin.net/registry/entity/CSM-102


OrgNOCHandle: ROONE5-ARIN
OrgNOCName:   Rooney, George 
OrgNOCPhone:  +1-413-787-6522 
OrgNOCEmail:  grooney@springfieldcityhall.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/ROONE5-ARIN

OrgAbuseHandle: ROONE5-ARIN
OrgAbuseName:   Rooney, George 
OrgAbusePhone:  +1-413-787-6522 
OrgAbuseEmail:  grooney@springfieldcityhall.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/ROONE5-ARIN

OrgTechHandle: ROONE5-ARIN
OrgTechName:   Rooney, George 
OrgTechPhone:  +1-413-787-6522 
OrgTechEmail:  grooney@springfieldcityhall.com
OrgTechRef:    https://rdap.arin.net/registry/entity/ROONE5-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

Upstreams

AS Number	Description	Country
AS46887	Crown Castle Fiber LLC	US

Frequently Asked Questions

What is ASN AS33435?

ASN AS33435 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS33435?

AS33435 is listed under City of Springfield, Massachusetts.

What do peers, upstreams, and downstreams mean?

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 included here?

WHOIS provides registration and contact context for ASN ownership, administration, and operational reference.

How can I access full ASN table data?

This page previews large ASN datasets. Use See more to load additional rows, and upgrade your plan to view complete peer, route, upstream, and downstream data.