ASN AS10561 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS10561?

AS10561 is listed under Brandeis University.

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.

AS10561 Brandeis University | IPGeolocation.io

ASN Lookup Tool

Brandeis University brandeis.edu

US 2 Routes

AS Data

AS10561

AS10561 – Brandeis University

AS Number	10561
AS Name	BRANDEIS
Organization	Brandeis University(brande-z)
Country	US
Website	brandeis.edu
Number of IPv4 Routes	2
Number of IPv6 Routes	0
ASN type	EDUCATION
Registry	ARIN
Date Allocated	1997-09-15

ASN Intelligence API for production workflows

Use ASN data for AS10561 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
129.64.0.0/16	AS10561	Brandeis University	Brandeis University	65536
129.64.249.0/24	AS10561	Brandeis University	Brandeis University	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:       10561
ASName:         BRANDEIS
ASHandle:       AS10561
RegDate:        1997-09-15
Updated:        2020-09-15    
Ref:            https://rdap.arin.net/registry/autnum/10561


OrgName:        Brandeis University
OrgId:          BRANDE-Z
Address:        415 South Street
City:           Waltham
StateProv:      MA
PostalCode:     02454
Country:        US
RegDate:        2020-08-28
Updated:        2025-11-12
Ref:            https://rdap.arin.net/registry/entity/BRANDE-Z


OrgNOCHandle: ZB114-ARIN
OrgNOCName:   Brandeis University Information Technology
OrgNOCPhone:  +1-781-736-4571 
OrgNOCEmail:  noc@brandeis.edu
OrgNOCRef:    https://rdap.arin.net/registry/entity/ZB114-ARIN

OrgAbuseHandle: ZB114-ARIN
OrgAbuseName:   Brandeis University Information Technology
OrgAbusePhone:  +1-781-736-4571 
OrgAbuseEmail:  noc@brandeis.edu
OrgAbuseRef:    https://rdap.arin.net/registry/entity/ZB114-ARIN

OrgTechHandle: MF8-ARIN
OrgTechName:   Fitzgerald, Michael 
OrgTechPhone:  +1-617-832-0453 
OrgTechEmail:  fitzm@brandeis.edu
OrgTechRef:    https://rdap.arin.net/registry/entity/MF8-ARIN

OrgTechHandle: CARRI284-ARIN
OrgTechName:   Carriere, Kevin 
OrgTechPhone:  +1-781-736-4612 
OrgTechEmail:  kevinc@brandeis.edu
OrgTechRef:    https://rdap.arin.net/registry/entity/CARRI284-ARIN

RTechHandle: MF8-ARIN
RTechName:   Fitzgerald, Michael 
RTechPhone:  +1-617-832-0453 
RTechEmail:  fitzm@brandeis.edu
RTechRef:    https://rdap.arin.net/registry/entity/MF8-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
AS6939	Hurricane Electric LLC	US
AS10578	Harvard University	US
AS174	Cogent Communications, LLC	US

Upstreams

AS Number	Description	Country
AS6939	Hurricane Electric LLC	US
AS10578	Harvard University	US
AS174	Cogent Communications, LLC	US