ASN Lookup Tool

EZE Castle Integration Inc. eci.com US US 5 Routes

AS Data

AS54187

AS54187EZE Castle Integration Inc.

AS Number 54187
AS Name ECINET2
Organization EZE Castle Integration Inc.(ezci)
Country US
Website eci.com
Number of IPv4 Routes 4
Number of IPv6 Routes 1
ASN type BUSINESS
Registry ARIN
Date Allocated 2011-10-31

ASN Intelligence API for production workflows

Use ASN data for AS54187 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

Access complete peers, upstreams, downstreams, routes, WHOIS, and contact intelligence via our API. Learn more

IP Ranges

Route # IPs
103.21.30.0/24 256
103.21.28.0/24 256
103.21.30.0/23 512
2405:5500::/32 ~79×10²⁷
103.21.28.0/23 512

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:       54187
ASName:         ECINET2
ASHandle:       AS54187
RegDate:        2011-10-31
Updated:        2012-03-02    
Ref:            https://rdap.arin.net/registry/autnum/54187


OrgName:        EZE Castle Integration Inc.
OrgId:          EZCI
Address:        100 High Street
Address:        16th Floor
City:           Boston
StateProv:      MA
PostalCode:     02110
Country:        US
RegDate:        2000-01-31
Updated:        2024-11-25
Ref:            https://rdap.arin.net/registry/entity/EZCI


OrgTechHandle: MAB27-ARIN
OrgTechName:   Abbey, Michael 
OrgTechPhone:  +1-212-954-0622 
OrgTechEmail:  mabbey@eci.com
OrgTechRef:    https://rdap.arin.net/registry/entity/MAB27-ARIN

OrgAbuseHandle: ENOC23-ARIN
OrgAbuseName:   ECINet Network Operations Center
OrgAbusePhone:  +1-212-954-0660 
OrgAbuseEmail:  noc@eci.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/ENOC23-ARIN

OrgTechHandle: ENOC23-ARIN
OrgTechName:   ECINet Network Operations Center
OrgTechPhone:  +1-212-954-0660 
OrgTechEmail:  noc@eci.com
OrgTechRef:    https://rdap.arin.net/registry/entity/ENOC23-ARIN

OrgNOCHandle: ENOC23-ARIN
OrgNOCName:   ECINet Network Operations Center
OrgNOCPhone:  +1-212-954-0660 
OrgNOCEmail:  noc@eci.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/ENOC23-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
AS8220 COLT Technology Services Group Limited GB
AS3491 PCCW Global, Inc. US
AS3491 PCCW Global US
AS4637 Telstra International Limited HK
AS4637 Telstra Global HK

Upstreams

AS Number Description Country
AS8220 COLT Technology Services Group Limited GB
AS3491 PCCW Global, Inc. US
AS4637 Telstra International Limited HK

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Frequently Asked Questions

ASN AS54187 is an Autonomous System Number used to identify a network for BGP internet routing.
AS54187 is listed under EZE Castle Integration Inc..
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.