All ASNs

Autonomous System details for AS33071

AS33071

Internet Systems Consortium, Inc. • isc.org

AS33071 — Internet Systems Consortium, Inc.

AS Name

ISC-F-AS

Country

United States (US)

Website

isc.org

Number of IPv4

256

Number of IPv6

1.21 × 10²⁴

ASN type

Business

Status

Assigned

Registry

ARIN

Allocated

September 28, 2004

Last updated

February 24, 2012

IP Ranges

1 IPv4 prefixes, 1 IPv6 prefixes

Prefix	Company	Number of IPs
199.6.0.0/24	FIBRAWORLD TELECOM S.A.U.	256
2001:500:71::/48	FIBRAWORLD TELECOM S.A.U.	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 AS33071

15 peers

AS4775 AS19151 AS2381 AS4181 AS4826 AS6453 AS11164 AS14907 AS19653 AS23367 AS24482 AS35280 AS49544 AS137409 AS53828

AS33071 peers with these other Autonomous Systems.

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 AS33071

2 upstreams

AS1299 AS6939

AS33071 uses these Autonomous Systems as its upstreams.

An upstream (or transit provider) is another AS that AS33071 pays for full internet connectivity, allowing it to reach all global destinations and be reachable by them.

Downstreams of AS33071

2 downstreams

AS3557 AS24406

AS33071 provides internet connectivity to these downstream Autonomous Systems.

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.