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Autonomous System details for AS23237

AS23237
McMaster University • mcmaster.ca

AS23237 — McMaster University

AS Name
MCMASTER
Country
Canada (CA)
Website
Number of IPv4
66,304
Number of IPv6
1.21 × 1024
ASN type
Education
Status
Assigned
Registry
ARIN
Allocated
February 13, 2002
Last updated
March 02, 2012

IP Ranges

4 IPv4 prefixes, 1 IPv6 prefixes
Prefix Company Number of IPs
130.113.0.0/16 McMaster University 65,536
130.113.109.0/24 McMaster University 256
192.42.5.0/24 McMaster University 256
192.42.6.0/24 McMaster University 256
2604:1700::/48 McMaster University 1.21 × 1024

IP ranges are the different blocks of IP addresses advertised by an Autonomous System (AS). These ranges can be used by the same organization operating the AS, or by different organizations.

Peers of AS23237

0 peers

AS23237 has no peers recorded.

Peering is a direct, often free, traffic exchange between Autonomous Systems (ASNs). They share routes only to their own networks and customers, making connections faster and cheaper for that specific traffic, without providing full internet access to each other.

Upstreams of AS23237

2 upstreams

AS23237 uses these Autonomous Systems as its upstreams.

An upstream (or transit provider) is another AS that AS23237 pays for full internet connectivity, allowing it to reach all global destinations and be reachable by them.

Downstreams of AS23237

0 downstreams

AS23237 has no downstreams recorded.

A downstream is a customer Autonomous System that pays another AS (its provider) for internet access. The provider AS carries the downstream's traffic and makes its network reachable.

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