// Geofeed 01

Cogent Communications

Feed details

URL: https://geofeed.cogentco.com/geofeed.csv ↗
Format: RFC 8805 CSV
Publisher: Cogent Communications (confirmed)

Latest crawl

Outcome: FetchedHTTP 200
Rows: 92,155 · Outside those ranges, registered to the same organization4,748 · Outside every declaring range928 · Inside a range whose registry record declares the feed
RFC 9632: 96,671 rows · Not declared: it names no https feed928 rows · Declared: the covering registry record names this feed232 rows · Declared elsewhere: it names only other feeds
Declared by: ARIN · COGENT-154-3-16ARIN · COGENT-154-59-16ARIN · COGENT-IDCI-0001ARIN · COGENT-NB-0000ARIN · COGENT-NB-0002ARIN · CORPORACION-LUAN-PRO-SACRIPE · US-COGENT-20010327RIPE · US-COGENT-20010911RIPE · US-COGENT-20011105RIPE · US-COGENT-20020315RIPE · US-COGENT-20020513RIPE · US-COGENT-20030620and 2 more registry records

Published prefixes

97,663 prefixes in Fastah's public IP data (59,870 IPv4, 37,793 IPv6). The first 100, in address order:

38.2.0.0/1938.2.64.0/1938.2.96.0/2038.2.112.0/2038.2.136.0/2138.2.144.0/2238.2.148.0/2238.2.152.0/2238.2.156.0/2238.2.192.0/1938.2.224.0/2138.2.232.0/2338.2.234.0/2338.2.236.0/2338.2.238.0/2438.2.239.0/2438.2.240.0/2038.3.16.0/20

Show 82 more

38.3.80.0/2038.3.129.0/2438.3.130.0/2338.3.132.0/2338.3.134.0/2438.3.135.0/2438.3.152.0/2138.3.160.0/2438.3.162.0/2438.3.168.0/2238.3.172.0/2238.3.178.0/2438.3.185.0/2438.3.186.0/2438.3.192.0/2038.3.208.0/2238.3.212.0/2238.3.216.0/2238.3.220.0/2438.3.221.0/2438.3.222.0/2438.3.223.0/2438.3.224.0/2338.3.226.0/2438.3.228.0/2238.3.232.0/2138.3.240.0/2138.3.248.0/2138.4.0.0/2038.4.16.0/2038.4.32.0/2038.4.48.0/2138.4.56.0/2138.4.64.0/1938.4.96.0/2038.4.120.0/2238.4.124.0/2238.4.128.0/2138.4.136.0/2138.4.144.0/2138.4.160.0/2138.4.168.0/2138.4.176.0/2138.4.184.0/2238.4.188.0/2438.4.189.0/2438.4.192.0/2038.4.208.0/2438.4.209.0/2438.4.212.0/2438.4.213.0/2438.4.214.0/2438.4.215.0/2438.4.216.0/2238.4.220.0/2238.4.224.0/2438.4.225.0/2438.4.226.0/2338.4.228.0/2238.4.232.0/2438.4.233.0/2438.4.234.0/2338.4.236.0/2338.4.238.0/2338.4.240.0/2138.4.248.0/2338.4.250.0/2338.4.252.0/2338.4.254.0/2438.4.255.0/2438.5.0.32/2738.5.4.32/2738.5.4.240/2938.6.0.0/1738.6.128.0/1738.7.8.0/2238.7.12.0/2238.7.24.0/2138.7.32.0/1938.7.64.0/2038.7.96.0/2438.7.97.0/24

Data as of 2026-11-05, from Fastah's daily geofeed crawl.

Source & provenance. Fastah lists this feed as published and does not edit it. Inclusion is not a quality endorsement. Publish or fix your own geofeed →