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	Prefix	Description
	65.164.177.0/24	Commonwealth Automobile Reinsurers

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How are upstreams and downstreams calculated?

Upstreams

	ASN	Description	IPv4	IPv6
	AS174	Cogent Communications, LLC	✔	✘

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Peers

	ASN	Description	IPv4	IPv6
	AS174	Cogent Communications, LLC	✔	✘
	AS1239	Sprint Wireline (Cogent)	✔	✘

ASHandle:       AS30111
OrgID:          CAR-12
ASName:         COMMAUTO
ASNumber:       30111
RegDate:        2003-07-22
Updated:        2012-03-02
Source:         ARIN



OrgID:          CAR-12
OrgName:        Commonwealth Automobile Reinsurers
CanAllocate:    
Street:         101 Arch St, Suite 400
City:           Boston
State/Prov:     MA
Country:        US
PostalCode:     02110
RegDate:        2001-05-23
Updated:        2025-10-28
OrgAdminHandle: MCCAB84-ARIN
OrgTechHandle:  MCCAB84-ARIN
OrgTechHandle:  NPM4-ARIN
OrgAbuseHandle: MCCAB84-ARIN
Source:         ARIN





OrgAdminHandle:       MCCAB84-ARIN
OrgAdminName:         Peter McCabe
# Email removed, Log into bgp.tools to see whois emails


OrgTechHandle:        MCCAB84-ARIN
OrgTechName:          Peter McCabe
# Email removed, Log into bgp.tools to see whois emails


OrgTechHandle:        NPM4-ARIN
OrgTechName:          Nathan McDonald
# Email removed, Log into bgp.tools to see whois emails


OrgAbuseHandle:       MCCAB84-ARIN
OrgAbuseName:         Peter McCabe
# Email removed, Log into bgp.tools to see whois emails

Last Update: 2026-05-07T03:37:11Z UTC

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Member of the following AS-SETs

-	Member	ASN Count