AS1637
🇺🇸DNIC-AS-01637 - Headquarters, USAISCc096bf755fee3dfb7b9046461595ebd0
ARINassigned
Announced Prefixes (BGP)
123total
122 IPv41 IPv6
IPv4 Addresses ⓘ
Allocated (RIR)196,608
Announced (BGP)233,728
IPv6 Addresses ⓘ
Allocated (RIR)0
Announced (BGP)1.2×10^24
Prefix Limit (IPv4)
500
Prefix Limit (IPv6)
5
Country
🇺🇸 US
RIR
ARIN
Status
assigned
Allocated
5/12/2004
Announced Prefixes
(BGP)123|
Prefix | RPKI | IRR | Last Seen |
|---|---|---|---|
| No ROA | — | 5/25/2026 | |
| No ROA | — | 5/25/2026 | |
| No ROA | — | 5/25/2026 | |
| No ROA | — | 5/25/2026 | |
| No ROA | — | 5/25/2026 | |
| No ROA | — | 5/25/2026 | |
| No ROA | — | 5/25/2026 | |
| No ROA | — | 5/25/2026 | |
| No ROA | — | 5/25/2026 | |
| No ROA | — | 5/25/2026 |
1–10 of 123
1 / 13
Allocated Prefixes
(RIR)3Prefix | Country | RIR | Status |
|---|---|---|---|
| 143.46.0.0/16 | 🇺🇸 US | ARIN | allocated |
| 155.5.0.0/16 | 🇺🇸 US | ARIN | allocated |
| 155.6.0.0/16 | 🇺🇸 US | ARIN | allocated |
ASPA
No ASPA
External Links
API
Open https://api.ipctl.io/v1/asn/1637Returns ASN details, announced prefixes, and BGP routing data.
curl -s "https://api.ipctl.io/v1/asn/1637" | jq