All ASNs

Autonomous System details for AS27521

AS27521

CATCOMM INTERNET SERVICES, LLC • catcomm.net

AS27521 — CATCOMM INTERNET SERVICES, LLC

AS Name

CATCOMM-ASN

Country

United States (US)

Website

catcomm.net

Number of IPv4

6,400

Number of IPv6

ASN type

Business

Status

Assigned

Registry

ARIN

Allocated

March 21, 2003

Last updated

March 02, 2012

IP Ranges

25 IPv4 prefixes

Prefix	Company	Number of IPs
64.39.64.0/24	Yahoo Holdings Inc.	256
64.39.65.0/24	Yahoo Holdings Inc.	256
64.39.66.0/24	O REILLY AUTO PARTS #6291	256
64.39.69.0/24	Yahoo Holdings Inc.	256
64.39.71.0/24	Kora's Radio Taxi	256
64.39.72.0/24	Yahoo Holdings Inc.	256
64.39.73.0/24	Yahoo Holdings Inc.	256
64.39.74.0/24	Yahoo Holdings Inc.	256
64.39.76.0/24	Willies Corporate Office	256
64.39.77.0/24	Yahoo Holdings Inc.	256
64.39.78.0/24	Yahoo Holdings Inc.	256
64.39.79.0/24	Yahoo Holdings Inc.	256
65.166.66.0/24	Cogent Communications, LLC	256
69.45.224.0/24	Yahoo Holdings Inc.	256
69.45.225.0/24	Yahoo Holdings Inc.	256
69.45.226.0/24	Yahoo Holdings Inc.	256
69.45.227.0/24	Yahoo Holdings Inc.	256
69.45.228.0/24	Yahoo Holdings Inc.	256
69.45.229.0/24	Yahoo Holdings Inc.	256
69.45.230.0/24	Yahoo Holdings Inc.	256
69.45.231.0/24	Yahoo Holdings Inc.	256
69.45.232.0/24	Blackwell Bowick	256
69.45.233.0/24	Blackwell Bowick	256
69.45.251.0/24	Yahoo Holdings Inc.	256
204.117.128.0/24	Yahoo Holdings Inc.	256

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 AS27521

0 peers

AS27521 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 AS27521

2 upstreams

AS3356 AS13760

AS27521 uses these Autonomous Systems as its upstreams.

An upstream (or transit provider) is another AS that AS27521 pays for full internet connectivity, allowing it to reach all global destinations and be reachable by them.

Downstreams of AS27521

0 downstreams

AS27521 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.