ASN Lookup Tool

Castle Harlan castleharlan.com US US 1 Routes

AS Data

AS33376

AS33376Castle Harlan

AS Number 33376
AS Name CASTLE-HARLAN
Organization Castle Harlan(castle-27)
Country US
Website castleharlan.com
Number of IPv4 Routes 1
Number of IPv6 Routes 0
ASN type BUSINESS
Registry ARIN
Date Allocated 2004-12-06

ASN Intelligence API for production workflows

Use ASN data for AS33376 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
38.98.95.0/24 256

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:       33376
ASName:         CASTLE-HARLAN
ASHandle:       AS33376
RegDate:        2004-12-06
Updated:        2012-03-02    
Ref:            https://rdap.arin.net/registry/autnum/33376


OrgName:        Castle Harlan
OrgId:          CASTLE-27
Address:        150 East 58th Street
City:           New York
StateProv:      NY
PostalCode:     10155
Country:        US
RegDate:        2002-04-12
Updated:        2011-09-24
Ref:            https://rdap.arin.net/registry/entity/CASTLE-27


OrgAbuseHandle: JR1730-ARIN
OrgAbuseName:   Rosenberg, Jay 
OrgAbusePhone:  +1-212-317-6464 
OrgAbuseEmail:  pboodwa@castleharlan.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/JR1730-ARIN

OrgTechHandle: JR1730-ARIN
OrgTechName:   Rosenberg, Jay 
OrgTechPhone:  +1-212-317-6464 
OrgTechEmail:  pboodwa@castleharlan.com
OrgTechRef:    https://rdap.arin.net/registry/entity/JR1730-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
AS1239 Cogent Communications, LLC US
AS174 Cogent Communications, LLC US

Upstreams

AS Number Description Country
AS174 Cogent Communications, LLC US

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Frequently Asked Questions

ASN AS33376 is an Autonomous System Number used to identify a network for BGP internet routing.
AS33376 is listed under Castle Harlan.
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.