AS23237 McMaster University

MCMASTER

IPv4 Addresses: 66,048

Number of Peers: 4

Number of Prefixes: 5

ASN Allocated: Assigned

ASN
Prefixes
Peers
Upstreams
Graphs
World Map
Raw Whois

AS23237 Summary

Regional Registry:

IANA

Allocation Status:

Assigned

AS23237 Network

IPv4 Prefixes:

IPv4 Peers:

IPv4 Upstreams:

IPv6 Prefixes:

IPv6 Peers:

IPv6 Upstreams:

Contacts

Email Contacts:

mike.diggins@mcmaster.ca

Abuse Contacts:

mike.diggins@mcmaster.ca

Address:

1280 Main St. West,

Hamilton,

ON,

L8S-4M1,

IPv4 Prefixes
IPv6 Prefixes

Announced Prefix	Description	Parent Prefix	RIR
130.113.0.0/16	McMaster University	130.113.0.0/16	ARIN
130.113.109.0/24	McMaster University	130.113.0.0/16	ARIN
192.42.5.0/24	McMaster University	192.42.5.0/24	ARIN
192.42.6.0/24	McMaster University	192.42.6.0/24	ARIN

Country	Announced Prefix	Description	Valid ROA	Parent Prefix	RIR
	2604:1700::/48	McMaster University		2604:1700::/32	ARIN

IPv4 Peers
IPv6 Peers

Country	ASN	Name	Description	IPv6
	AS7992	COGECOWAVE	Cogeco Connexion Inc.
	AS26677	ORION-ASN	ORION

Country	ASN	Name	Description	IPv4
	AS26677	ORION-ASN	ORION
	AS7992	COGECOWAVE	Cogeco Connexion Inc.

IPv4 Upstreams
IPv6 Upstreams

Country	ASN	Name	Description	IPv6
	AS7992	COGECOWAVE	Cogeco Connexion Inc.
	AS26677	ORION-ASN	ORION

IPv4 Upstream Graph

Country	ASN	Name	Description	IPv4
	AS7992	COGECOWAVE	Cogeco Connexion Inc.
	AS26677	ORION-ASN	ORION

IPv6 Upstream Graph

#
# 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 1997-2025, American Registry for Internet Numbers, Ltd.
#


ASNumber:       23237
ASName:         MCMASTER
ASHandle:       AS23237
RegDate:        2002-02-13
Updated:        2012-03-02    
Ref:            https://rdap.arin.net/registry/autnum/23237


OrgName:        McMaster University
OrgId:          MU
Address:        1280 Main St. West
City:           Hamilton
StateProv:      ON
PostalCode:     L8S-4M1
Country:        CA
RegDate:        1988-08-04
Updated:        2024-11-25
Ref:            https://rdap.arin.net/registry/entity/MU


OrgAbuseHandle: MDD4-ARIN
OrgAbuseName:   Diggins, Mike Donald
OrgAbusePhone:  +1-905-522-0511 
OrgAbuseEmail:  mike.diggins@mcmaster.ca
OrgAbuseRef:    https://rdap.arin.net/registry/entity/MDD4-ARIN

OrgTechHandle: MDD4-ARIN
OrgTechName:   Diggins, Mike Donald
OrgTechPhone:  +1-905-522-0511 
OrgTechEmail:  mike.diggins@mcmaster.ca
OrgTechRef:    https://rdap.arin.net/registry/entity/MDD4-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 1997-2025, American Registry for Internet Numbers, Ltd.
#

Country	IX	Name	IPv4	IPv6	Port Speed

AS23237 McMaster University

MCMASTER

AS23237 Summary

Regional Registry:

Allocation Status:

AS23237 Network

IPv4 Prefixes:

IPv4 Peers:

IPv4 Upstreams:

IPv6 Prefixes:

IPv6 Peers:

IPv6 Upstreams:

Contacts

Email Contacts:

Abuse Contacts:

Address:

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