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	Prefix	Description
	66.37.46.0/24	City of Springfield, Massachusetts

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How are upstreams and downstreams calculated?

Upstreams

	ASN	Description	IPv4	IPv6
	AS46887	Zayo Bandwidth	✔	✘

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Peers

	ASN	Description	IPv4	IPv6
	AS46887	Zayo Bandwidth	✔	✘

ASHandle:       AS33435
OrgID:          CSM-102
ASName:         CITYOFSPRINGFIELDMA
ASNumber:       33435
RegDate:        2017-11-29
Updated:        2017-11-29
Source:         ARIN



OrgID:          CSM-102
OrgName:        City of Springfield, Massachusetts
CanAllocate:    
Street:         36 Court Street
City:           Springfield
State/Prov:     MA
Country:        US
PostalCode:     01103
RegDate:        2013-08-19
Updated:        2013-08-19
OrgAdminHandle: DOTYA-ARIN
OrgTechHandle:  ROONE5-ARIN
OrgAbuseHandle: ROONE5-ARIN
OrgNOCHandle:   ROONE5-ARIN
Source:         ARIN





OrgAdminHandle:       DOTYA-ARIN
OrgAdminName:         Andrew Doty
# Email removed, Log into bgp.tools to see whois emails


OrgTechHandle:        ROONE5-ARIN
OrgTechName:          George Rooney
# Email removed, Log into bgp.tools to see whois emails


OrgAbuseHandle:       ROONE5-ARIN
OrgAbuseName:         George Rooney
# Email removed, Log into bgp.tools to see whois emails


OrgNOCHandle:         ROONE5-ARIN
OrgNOCName:           George Rooney
# Email removed, Log into bgp.tools to see whois emails

Last Update: 2026-06-14T03:25:34Z UTC

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Member of the following AS-SETs

-	Member	ASN Count
ARIN	as11178:as-customers	6
RADB	as-ccf	1539
RIPE	as-transroute-spec	19618
RADB	as-ccf-test	1461