ASN AS600 is an Autonomous System Number used to identify a network for BGP internet routing.

What do peers, upstreams, and downstreams mean in ASN data?

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 shown for an ASN?

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

How can I access the full ASN tables?

The page shows a preview of large ASN datasets. Use the page controls to load more rows, and upgrade to a paid plan for complete access.

AS600 OARnet | IPGeolocation.io

ASN Lookup Tool

OARnet oar.net

US 83 Routes

AS Data

AS600

AS600 – OARnet

AS Number	600
AS Name	OARNET-AS
Organization	OARnet(oar-z)
Country	US
Website	oar.net
Number of IPv4 Routes	81
Number of IPv6 Routes	2
ASN type	ISP
Registry	ARIN
Date Allocated	1990-03-11

ASN Intelligence API for production workflows

Use ASN data for AS600 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

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
205.133.85.0/24	AS600	OARnet	OARnet	256
199.218.112.0/24	AS600	OARnet	OARnet	256
146.85.224.0/19	AS600	OARnet	Shawnee State University	8192
204.57.8.0/21	AS600	OARnet	City of Cincinnati	2048
192.232.16.0/20	AS600	OARnet	OARnet	4096
2610:a8::/32	AS600	OARnet	OARnet	~79×10²⁷
208.108.54.0/24	AS600	OARnet	Broadcast Educational Media Commission	256
192.153.40.0/23	AS600	OARnet	OARnet	512
192.153.32.0/24	AS600	OARnet	OARnet	256
192.88.195.0/24	AS600	OARnet	OARnet	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:       600
ASName:         OARNET-AS
ASHandle:       AS600
RegDate:        1990-03-11
Updated:        2019-11-06    
Ref:            https://rdap.arin.net/registry/autnum/600


OrgName:        OARnet
OrgId:          OAR-Z
Address:        1224 Kinnear Road
Address:        Columbus
City:           Columbus
StateProv:      OH
PostalCode:     43212-1198
Country:        US
RegDate:        2010-01-04
Updated:        2020-03-27
Ref:            https://rdap.arin.net/registry/entity/OAR-Z


OrgAbuseHandle: NOC2069-ARIN
OrgAbuseName:   Network Operations Center
OrgAbusePhone:  +1-800-627-6420 
OrgAbuseEmail:  support@oar.net
OrgAbuseRef:    https://rdap.arin.net/registry/entity/NOC2069-ARIN

OrgDNSHandle: NOC2069-ARIN
OrgDNSName:   Network Operations Center
OrgDNSPhone:  +1-800-627-6420 
OrgDNSEmail:  support@oar.net
OrgDNSRef:    https://rdap.arin.net/registry/entity/NOC2069-ARIN

OrgRoutingHandle: NOC2069-ARIN
OrgRoutingName:   Network Operations Center
OrgRoutingPhone:  +1-800-627-6420 
OrgRoutingEmail:  support@oar.net
OrgRoutingRef:    https://rdap.arin.net/registry/entity/NOC2069-ARIN

OrgNOCHandle: NOC2069-ARIN
OrgNOCName:   Network Operations Center
OrgNOCPhone:  +1-800-627-6420 
OrgNOCEmail:  support@oar.net
OrgNOCRef:    https://rdap.arin.net/registry/entity/NOC2069-ARIN

OrgTechHandle: NOC2069-ARIN
OrgTechName:   Network Operations Center
OrgTechPhone:  +1-800-627-6420 
OrgTechEmail:  support@oar.net
OrgTechRef:    https://rdap.arin.net/registry/entity/NOC2069-ARIN

RAbuseHandle: NOC2069-ARIN
RAbuseName:   Network Operations Center
RAbusePhone:  +1-800-627-6420 
RAbuseEmail:  support@oar.net
RAbuseRef:    https://rdap.arin.net/registry/entity/NOC2069-ARIN

RNOCHandle: NOC2069-ARIN
RNOCName:   Network Operations Center
RNOCPhone:  +1-800-627-6420 
RNOCEmail:  support@oar.net
RNOCRef:    https://rdap.arin.net/registry/entity/NOC2069-ARIN

RTechHandle: NOC2069-ARIN
RTechName:   Network Operations Center
RTechPhone:  +1-800-627-6420 
RTechEmail:  support@oar.net
RTechRef:    https://rdap.arin.net/registry/entity/NOC2069-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
AS14200	Marshall University	US
AS32234	University of Dayton	US
AS46491	Metropolitan Educational Council	US
AS7195	EDGEUNO S.A.S	CO
AS396381	Genesis Healthcare System	US
AS6939	Hurricane Electric LLC	US
AS6204	ZET.NET IP Transit	RO
AS25822	Tiffin University	US
AS14734	Northeast Ohio Network for Educational Technology	US
AS32666	Case Western Reserve University	US

Upstreams

AS Number	Description	Country
AS37468	Angola Cables	AO
AS7018	AT&T Enterprises, LLC	US
AS7195	EDGEUNO S.A.S	CO
AS60171	AFR IX TELECOM S.A.	ES
AS11537	Internet2	US
AS6204	ZET.NET IP Transit	RO
AS6939	Hurricane Electric LLC	US
AS11164	Internet2	US
AS6057	Administracion Nacional de Telecomunicaciones	UY
AS3356	Level 3 Parent, LLC	US

Downstreams

AS Number	Description	Country
AS14200	Marshall University	US
AS32234	University of Dayton	US
AS46491	Metropolitan Educational Council	US
AS396381	Genesis Healthcare System	US
AS25822	Tiffin University	US
AS14734	Northeast Ohio Network for Educational Technology	US
AS32666	Case Western Reserve University	US
AS30681	John Carroll university	US
AS26894	Northwest Ohio Area Computer Services Cooperative	US
AS394061	Franklin County	US