AS4991
🇺🇸COGENT-4991-4994 - Cogent Communications, LLC37fe01d6d02717856c541c3a2f43c826
ARINassigned
Announced Prefixes (BGP)
1total
1 IPv40 IPv6
IPv4 Addresses ⓘ
Allocated (RIR)0
Announced (BGP)16,384
IPv6 Addresses ⓘ
Allocated (RIR)0
Announced (BGP)0
Prefix Limit (IPv4)
10
Prefix Limit (IPv6)
5
Country
🇺🇸 US
RIR
ARIN
Status
assigned
Allocated
5/31/1995
Announced Prefixes
(BGP)1|
Prefix | RPKI | IRR | Last Seen |
|---|---|---|---|
| No ROA | — | 5/14/2026 |
ASPA
No ASPA
External Links
API
Open https://api.ipctl.io/v1/asn/4991Returns ASN details, announced prefixes, and BGP routing data.
curl -s "https://api.ipctl.io/v1/asn/4991" | jq