ASN AS19925 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS19925?

AS19925 is listed under Sunnybrook Health Sciences Centre.

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.

AS19925 Sunnybrook Health Sciences Centre

ASN Lookup Tool

Sunnybrook Health Sciences Centre sunnybrook.ca

CA 3 Routes

AS Data

AS19925

AS19925 – Sunnybrook Health Sciences Centre

AS Number	19925
AS Name	SWCHSC
Organization	Sunnybrook Health Sciences Centre(sunny-14)
Country	CA
Website	sunnybrook.ca
Number of IPv4 Routes	3
Number of IPv6 Routes	0
ASN type	BUSINESS
Registry	ARIN
Date Allocated	2001-03-02

ASN Intelligence API for production workflows

Use ASN data for AS19925 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
142.76.0.0/17	AS19925	Sunnybrook Health Sciences Centre	Sunnybrook Health Sciences Centre	32768
142.76.128.0/17	AS19925	Sunnybrook Health Sciences Centre	Sunnybrook Health Sciences Centre	32768
142.76.0.0/16	AS19925	Sunnybrook Health Sciences Centre	Sunnybrook Health Sciences Centre	65536

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:       19925
ASName:         SWCHSC
ASHandle:       AS19925
RegDate:        2001-03-02
Updated:        2012-03-02    
Ref:            https://rdap.arin.net/registry/autnum/19925


OrgName:        Sunnybrook Health Sciences Centre
OrgId:          SUNNY-14
Address:        2075 Bayview Ave.
City:           Toronto
StateProv:      ON
PostalCode:     M4N-3M5
Country:        CA
RegDate:        2009-08-25
Updated:        2025-11-03
Ref:            https://rdap.arin.net/registry/entity/SUNNY-14


OrgAbuseHandle: MLE213-ARIN
OrgAbuseName:   Leicester, Myles 
OrgAbusePhone:  +1-416-480-6100 
OrgAbuseEmail:  Myles.Leicester@sunnybrook.ca
OrgAbuseRef:    https://rdap.arin.net/registry/entity/MLE213-ARIN

OrgTechHandle: MOISE2-ARIN
OrgTechName:   Moises, Edwin 
OrgTechPhone:  +1-416-480-6100 
OrgTechEmail:  edwin.moises@sunnybrook.ca
OrgTechRef:    https://rdap.arin.net/registry/entity/MOISE2-ARIN

OrgAbuseHandle: CHEUN101-ARIN
OrgAbuseName:   Cheung, Ringo 
OrgAbusePhone:  +1-416-480-6100 
OrgAbuseEmail:  ringo.cheung@sunnybrook.ca
OrgAbuseRef:    https://rdap.arin.net/registry/entity/CHEUN101-ARIN

OrgTechHandle: CHEUN101-ARIN
OrgTechName:   Cheung, Ringo 
OrgTechPhone:  +1-416-480-6100 
OrgTechEmail:  ringo.cheung@sunnybrook.ca
OrgTechRef:    https://rdap.arin.net/registry/entity/CHEUN101-ARIN

OrgAbuseHandle: MOISE2-ARIN
OrgAbuseName:   Moises, Edwin 
OrgAbusePhone:  +1-416-480-6100 
OrgAbuseEmail:  edwin.moises@sunnybrook.ca
OrgAbuseRef:    https://rdap.arin.net/registry/entity/MOISE2-ARIN

OrgTechHandle: MLE213-ARIN
OrgTechName:   Leicester, Myles 
OrgTechPhone:  +1-416-480-6100 
OrgTechEmail:  Myles.Leicester@sunnybrook.ca
OrgTechRef:    https://rdap.arin.net/registry/entity/MLE213-ARIN

OrgAbuseHandle: YANWI1-ARIN
OrgAbuseName:   Yan, Wilfred 
OrgAbusePhone:  +1-416-480-6100 
OrgAbuseEmail:  wilfred.yan@sunnybrook.ca
OrgAbuseRef:    https://rdap.arin.net/registry/entity/YANWI1-ARIN

OrgTechHandle: YANWI1-ARIN
OrgTechName:   Yan, Wilfred 
OrgTechPhone:  +1-416-480-6100 
OrgTechEmail:  wilfred.yan@sunnybrook.ca
OrgTechRef:    https://rdap.arin.net/registry/entity/YANWI1-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
AS21949	Beanfield Technologies Inc.	CA
AS26677	ORION	CA

Upstreams

AS Number	Description	Country
AS21949	Beanfield Technologies Inc.	CA
AS26677	ORION	CA