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AS399636 ITHAKA Harbors, Inc.

Q: Why is WHOIS data shown for an ASN?

WHOIS data provides registration and contact context for ASN ownership, administration, and operational reference.

ASN Lookup Tool

ITHAKA Harbors, Inc. ithaka.org

US 1 Routes

AS Data

AS399636

AS399636 – ITHAKA Harbors, Inc.

AS Number	399636
AS Name	ITHAKA-AS-AA2
Organization	ITHAKA Harbors, Inc.(ithak)
Country	US
Website	ithaka.org
Number of IPv4 Routes	1
Number of IPv6 Routes	0
ASN type	BUSINESS
Registry	ARIN
Date Allocated	2021-05-04

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
38.109.96.0/24	AS399636	ITHAKA Harbors, Inc.	Ithaka	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:       399636
ASName:         ITHAKA-AS-AA2
ASHandle:       AS399636
RegDate:        2021-05-04
Updated:        2021-05-04    
Ref:            https://rdap.arin.net/registry/autnum/399636


OrgName:        ITHAKA Harbors, Inc.
OrgId:          ITHAK
Address:        One Liberty Plaza
Address:        165 Broadway
Address:        5th Floor
City:           New York
StateProv:      NY
PostalCode:     10006
Country:        US
RegDate:        2004-07-15
Updated:        2024-03-05
Comment:        https://www.ithaka.org
Ref:            https://rdap.arin.net/registry/entity/ITHAK


OrgTechHandle: NETWO8840-ARIN
OrgTechName:   Networking Group
OrgTechPhone:  +1-212-358-6400 
OrgTechEmail:  networknotifications@ithaka.org
OrgTechRef:    https://rdap.arin.net/registry/entity/NETWO8840-ARIN

OrgAbuseHandle: ABUSE7422-ARIN
OrgAbuseName:   Abuse Contact
OrgAbusePhone:  +1-212-358-6400 
OrgAbuseEmail:  postmaster@ithaka.org
OrgAbuseRef:    https://rdap.arin.net/registry/entity/ABUSE7422-ARIN

OrgDNSHandle: CHIAN39-ARIN
OrgDNSName:   Chiang, Dennis 
OrgDNSPhone:  +1-734-780-2551 
OrgDNSEmail:  GRP_ITHAKA_IO_UNIX@Ithaka.org
OrgDNSRef:    https://rdap.arin.net/registry/entity/CHIAN39-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

Frequently Asked Questions

What is ASN AS399636?

ASN AS399636 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS399636?

AS399636 is listed under ITHAKA Harbors, Inc..

What do peers, upstreams, and downstreams mean?

Peers are lateral network interconnections, upstreams are transit providers, and downstreams are customer networks receiving connectivity.

What are routes and IP ranges for an ASN?

Routes and IP ranges are the network prefixes announced by the ASN on the internet and show the address space it originates.

Why is WHOIS data included here?

WHOIS provides registration and contact context for ASN ownership, administration, and operational reference.

How can I access full ASN table data?

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.