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Autonomous System details for AS4373

AS4373

Online Computer Library Center • ans.net

AS4373 — Online Computer Library Center

AS Name

OCLC-AS

Country

United States (US)

Website

ans.net

Number of IPv4

73,216

Number of IPv6

ASN type

Business

Status

Assigned

Registry

ARIN

Allocated

February 08, 1995

Last updated

February 08, 1995

IP Ranges

19 IPv4 prefixes

Prefix	Company	Number of IPs
38.117.94.0/24	PSINet, Inc.	256
113.29.23.0/24	OCLC Online Computer Library Center, Inc.	256
132.174.0.0/16	OCLC, Inc.	65,536
132.174.181.0/24	OCLC, Inc.	256
132.174.182.0/24	OCLC, Inc.	256
154.59.124.0/23	NTT America	512
192.156.252.0/24	OCLC, Inc.	256
192.188.124.0/24	OCLC, Inc.	256
193.240.184.0/24	CUSTOMER LAN	256
198.137.189.0/24	OCLC, Inc.	256
198.137.190.0/24	OCLC, Inc.	256
198.137.191.0/24	OCLC, Inc.	256
198.187.191.0/24	OCLC, Inc.	256
199.164.217.0/24	OCLC, Inc.	256
204.17.227.0/24	OCLC, Inc.	256
204.152.100.0/22	OCLC, Inc.	1,024
204.152.104.0/24	OCLC, Inc.	256
205.160.168.0/23	OCLC	512
206.107.40.0/21	OCLC	2,048

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 AS4373

0 peers

AS4373 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 AS4373

6 upstreams

AS174 AS286 AS3257 AS3356 AS13335 AS15830

AS4373 uses these Autonomous Systems as its upstreams.

An upstream (or transit provider) is another AS that AS4373 pays for full internet connectivity, allowing it to reach all global destinations and be reachable by them.

Downstreams of AS4373

0 downstreams

AS4373 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.