ASN Lookup Tool

OneBeacon Insurance Group LTD onebeacon.com US US 4 Routes

AS Data

AS19043

AS19043 – OneBeacon Insurance Group LTD

AS Number 19043
AS Name ONEBEACONINSURANCEGROUP
Organization OneBeacon Insurance Group LTD(onebe-1)
Country US
Website onebeacon.com
Number of IPv4 Routes 4
Number of IPv6 Routes 0
ASN type BUSINESS
Registry ARIN
Date Allocated 2010-03-09

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Use ASN data for AS19043 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route # IPs
205.134.128.0/24 256
205.134.128.0/19 8192
205.134.158.0/24 256
205.134.132.0/23 512

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:       19043
ASName:         ONEBEACONINSURANCEGROUP
ASHandle:       AS19043
RegDate:        2010-03-09
Updated:        2018-03-22    
Ref:            https://rdap.arin.net/registry/autnum/19043


OrgName:        OneBeacon Insurance Group LTD
OrgId:          ONEBE-1
Address:        150 Royall St.
City:           Canton
StateProv:      MA
PostalCode:     02021
Country:        US
RegDate:        2009-03-18
Updated:        2024-07-24
Ref:            https://rdap.arin.net/registry/entity/ONEBE-1


OrgAbuseHandle: CLITE1-ARIN
OrgAbuseName:   Clites, Michael 
OrgAbusePhone:  +1-781-332-8817 
OrgAbuseEmail:  mclites@onebeacon.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/CLITE1-ARIN

OrgTechHandle: STEVE1111-ARIN
OrgTechName:   Miller, Steven A
OrgTechPhone:  +1-781-332-9090 
OrgTechEmail:  samiller@intactinsurance.com
OrgTechRef:    https://rdap.arin.net/registry/entity/STEVE1111-ARIN

OrgTechHandle: TECHN1524-ARIN
OrgTechName:   Technical Contact
OrgTechPhone:  +1-781-332-8529 
OrgTechEmail:  nrochman@intactinsurance.com
OrgTechRef:    https://rdap.arin.net/registry/entity/TECHN1524-ARIN

OrgTechHandle: CLITE1-ARIN
OrgTechName:   Clites, Michael 
OrgTechPhone:  +1-781-332-8817 
OrgTechEmail:  mclites@onebeacon.com
OrgTechRef:    https://rdap.arin.net/registry/entity/CLITE1-ARIN

OrgNOCHandle: CLITE1-ARIN
OrgNOCName:   Clites, Michael 
OrgNOCPhone:  +1-781-332-8817 
OrgNOCEmail:  mclites@onebeacon.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/CLITE1-ARIN

RNOCHandle: CLITE1-ARIN
RNOCName:   Clites, Michael 
RNOCPhone:  +1-781-332-8817 
RNOCEmail:  mclites@onebeacon.com
RNOCRef:    https://rdap.arin.net/registry/entity/CLITE1-ARIN

RTechHandle: CLITE1-ARIN
RTechName:   Clites, Michael 
RTechPhone:  +1-781-332-8817 
RTechEmail:  mclites@onebeacon.com
RTechRef:    https://rdap.arin.net/registry/entity/CLITE1-ARIN

RAbuseHandle: CLITE1-ARIN
RAbuseName:   Clites, Michael 
RAbusePhone:  +1-781-332-8817 
RAbuseEmail:  mclites@onebeacon.com
RAbuseRef:    https://rdap.arin.net/registry/entity/CLITE1-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
AS18540 Recovery Point Systems Inc. US
AS701 Verizon Business/UUnet US
AS6461 Zayo Bandwidth US
AS701 Verizon Business US

Upstreams

AS Number Description Country
AS18540 Recovery Point Systems Inc. US
AS6461 Zayo Bandwidth US
AS701 Verizon Business US

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Frequently Asked Questions

ASN AS19043 is an Autonomous System Number used to identify a network for BGP internet routing.
AS19043 is listed under OneBeacon Insurance Group LTD.
Peers are lateral network interconnections, upstreams are transit providers, and downstreams are customer networks receiving connectivity.
Routes and IP ranges are the network prefixes announced by the ASN on the internet and show the address space it originates.
WHOIS provides registration and contact context for ASN ownership, administration, and operational reference.
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.