ıpdex
United States

AS174

Cogent Communications, LLC ISP registered in United States

2,420IPv4 prefixes
65IPv6 prefixes
21%RPKI-valid
#4AS Rank
328/328RIS visibility
#10Rank in United States
1996-05-16Allocated

Cogent Communications, LLC (AS174) — ISP, registered in United States. announces 2,420 IPv4 prefixes + 65 IPv6 prefixes. Rank in United States: #10. Allocated: 1996-05-16.

Announced prefixes · 2,485

RPKI: rpki.cloudflare.com · 2026-06-22

Routing: 4,156 IPv4 · 514 IPv6 announced · RIS visibility 328/328 RIS peers · RIPEstat · 2026-06-22

Prefix history

0 1K 2K 2026-06-12 2026-06-22
Announced prefixes Source: ipdex daily snapshot · sparse rows, value holds until the next change (steps)
Data table
DayAnnounced prefixes
2026-06-122435
2026-06-132435
2026-06-142435
2026-06-162426
2026-06-172492
2026-06-192500
2026-06-202484
2026-06-212485
2026-06-222485

Facilities · 818

+793

AS topology · Customer cone 40,552

Peers · 93

Customers · 6,580

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