AS4900
🇺🇸ASN1 - Montgomery County Hospital District84f57f9baa9e0dcf9cc03c49c70665f7
ARINassigned
Announced Prefixes (BGP)
2total
2 IPv40 IPv6
IPv4 Addresses ⓘ
Allocated (RIR)256
Announced (BGP)512
IPv6 Addresses ⓘ
Allocated (RIR)0
Announced (BGP)0
Prefix Limit (IPv4)
10
Prefix Limit (IPv6)
5
Country
🇺🇸 US
RIR
ARIN
Status
assigned
Allocated
9/24/2009
Announced Prefixes
(BGP)2|
Prefix | RPKI | IRR | Last Seen |
|---|---|---|---|
| No ROA | — | 5/25/2026 | |
| No ROA | RADB | 5/25/2026 |
Allocated Prefixes
(RIR)1Prefix | Country | RIR | Status |
|---|---|---|---|
| 192.131.233.0/24 | 🇺🇸 US | ARIN | allocated |
ASPA
No ASPA
External Links
API
Open https://api.ipctl.io/v1/asn/4900Returns ASN details, announced prefixes, and BGP routing data.
curl -s "https://api.ipctl.io/v1/asn/4900" | jq