AS18438 Brown Brothers Harriman & Company

• IPv4 Prefixes

Country	Announced Prefix	Description	Valid ROA	Parent Prefix	RIR
	192.200.1.0/24	Brown Brothers Harriman & Company		192.200.1.0/24	ARIN
	192.200.2.0/24	Brown Brothers Harriman & Company		192.200.2.0/24	ARIN
	192.200.3.0/24	Brown Brothers Harriman & Company		192.200.3.0/24	ARIN
	192.200.5.0/24	Brown Brothers Harriman & Company		192.200.5.0/24	ARIN
	192.200.6.0/24	Brown Brothers Harriman & Company		192.200.6.0/24	ARIN
	192.200.7.0/24	Brown Brothers Harriman & Company		192.200.7.0/24	ARIN
	192.200.8.0/24	Brown Brothers Harriman & Company		192.200.8.0/24	ARIN
	204.136.16.0/24	Brown Brothers Harriman & Co.		204.136.16.0/20	ARIN
	204.136.19.0/24	Brown Brothers Harriman & Co.		204.136.16.0/20	ARIN
	204.136.20.0/24	Brown Brothers Harriman & Co.		204.225.84.0/24	ARIN
	204.136.23.0/24	Brown Brothers Harriman & Co.		204.136.16.0/20	ARIN
	204.136.24.0/24	Brown Brothers Harriman & Co.		204.136.16.0/20	ARIN
	204.136.25.0/24	Brown Brothers Harriman & Co.		204.136.16.0/20	ARIN
	204.136.26.0/24	Brown Brothers Harriman & Co.		205.176.0.0/16	ARIN
	204.136.27.0/24	Brown Brothers Harriman & Co.		204.136.16.0/20	ARIN
	204.136.28.0/24	Brown Brothers Harriman & Co.		204.136.16.0/20	ARIN
	204.136.29.0/24	Brown Brothers Harriman & Co.		204.136.16.0/20	ARIN
	204.136.30.0/24	Brown Brothers Harriman & Co.		204.136.16.0/20	ARIN
	204.136.31.0/24	Brown Brothers Harriman & Co.		204.136.16.0/20	ARIN

• IPv4 Peers

Country	ASN	Name	Description
	AS55002	DEFENSE-NET	F5, Inc.
	AS46887	CROWNCASTLE-AS46887	Crown Castle Fiber LLC
	AS9141	AS9141	P4 Play UPC PL network
	AS3356	LEVEL3	Level 3 Parent, LLC
	AS6461	ZAYO-6461	Zayo Bandwidth
	AS54004	OPTIMUM-WIFI2	Optimum WiFi
	AS2516	APNIC-AS-X-BLOCK	Asia Pacific Network Information Centre
	AS174	COGENT-174	Cogent Communications
	AS8220	COLT	COLT Technology Services Group Limited

• IPv4 Upstreams

Country	ASN	Name	Description
	AS55002	DEFENSE-NET	F5, Inc.
	AS174	COGENT-174	Cogent Communications
	AS46887	CROWNCASTLE-AS46887	Crown Castle Fiber LLC
	AS3356	LEVEL3	Level 3 Parent, LLC
	AS54004	OPTIMUM-WIFI2	Optimum WiFi
	AS2516	APNIC-AS-X-BLOCK	Asia Pacific Network Information Centre
	AS6461	ZAYO-6461	Zayo Bandwidth
	AS8220	COLT	COLT Technology Services Group Limited
	AS9141	AS9141	P4 Play UPC PL network

IPv4 Upstream Graph

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IPv4 Upstream Graph

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#
# 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 1997-2025, American Registry for Internet Numbers, Ltd.
#


ASNumber:       18438
ASName:         BROWNB
ASHandle:       AS18438
RegDate:        2000-08-29
Updated:        2017-04-21    
Ref:            https://rdap.arin.net/registry/autnum/18438


OrgName:        Brown Brothers Harriman & Company
OrgId:          BBH-3
Address:        Harborside Financial Center
Address:        185 Hudson Street, Suite 1150
City:           Jersey City
StateProv:      NJ
PostalCode:     07311
Country:        US
RegDate:        1992-07-22
Updated:        2019-08-13
Ref:            https://rdap.arin.net/registry/entity/BBH-3


OrgAbuseHandle: HOSTM1081-ARIN
OrgAbuseName:   hostmaster
OrgAbusePhone:  +1-201-418-5600 
OrgAbuseEmail:  hostmaster@bbh.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/HOSTM1081-ARIN

OrgTechHandle: HOSTM1081-ARIN
OrgTechName:   hostmaster
OrgTechPhone:  +1-201-418-5600 
OrgTechEmail:  hostmaster@bbh.com
OrgTechRef:    https://rdap.arin.net/registry/entity/HOSTM1081-ARIN

RTechHandle: HOSTM1081-ARIN
RTechName:   hostmaster
RTechPhone:  +1-201-418-5600 
RTechEmail:  hostmaster@bbh.com
RTechRef:    https://rdap.arin.net/registry/entity/HOSTM1081-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 1997-2025, American Registry for Internet Numbers, Ltd.
#