All ASNs

Autonomous System details for AS397142

AS397142

City of Fort Collins • fcgov.com

AS397142 — City of Fort Collins

AS Name

FORT-COLLINS-CONNEXION

Country

United States (US)

Website

fcgov.com

Number of IPv4

36,096

Number of IPv6

8.17 × 10²⁸

ASN type

Government

Status

Assigned

Registry

ARIN

Allocated

October 30, 2018

Last updated

October 30, 2018

IP Ranges

13 IPv4 prefixes, 10 IPv6 prefixes

Prefix	Company	Number of IPs
23.163.32.0/24	City of Fort Collins	256
38.15.32.0/19	FORT-COLLINS-CONNEXION - City of Fort Collins	8,192
38.75.232.0/21	City of Fort Collins	2,048
38.80.148.0/22	FORT-COLLINS-CONNEXION - City of Fort Collins	1,024
38.147.232.0/21	City of Fort Collins	2,048
38.175.160.0/19	City of Fort Collins	8,192
38.246.0.0/19	City of Fort Collins	8,192
167.94.176.0/20	City of Fort Collins	4,096
192.251.149.0/24	City of Fort Collins	256
198.99.80.0/22	City of Fort Collins	1,024
204.107.184.0/24	City of Fort Collins	256
204.133.79.0/24	City of Fort Collins	256
204.133.83.0/24	CenturyLink Communications, LLC	256
2605:b40::/32	City of Fort Collins	7.92 × 10²⁸
2605:b40:1100::/40	City of Fort Collins	3.09 × 10²⁶
2605:b40:1200::/40	City of Fort Collins	3.09 × 10²⁶
2605:b40:1300::/40	City of Fort Collins	3.09 × 10²⁶
2605:b40:1400::/40	City of Fort Collins	3.09 × 10²⁶
2605:b40:2100::/40	City of Fort Collins	3.09 × 10²⁶
2605:b40:2200::/40	City of Fort Collins	3.09 × 10²⁶
2605:b40:2300::/40	City of Fort Collins	3.09 × 10²⁶
2605:b40:2400::/40	City of Fort Collins	3.09 × 10²⁶
2605:b40:f0c0::/48	City of Fort Collins	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 AS397142

2 peers

AS1828 AS4181

AS397142 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 AS397142

3 upstreams

AS174 AS6939 AS393552

AS397142 uses these Autonomous Systems as its upstreams.

An upstream (or transit provider) is another AS that AS397142 pays for full internet connectivity, allowing it to reach all global destinations and be reachable by them.

Downstreams of AS397142

4 downstreams

AS19637 AS19647 AS394838 AS397377

AS397142 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.