AS3781 USBM-PGH - U.S. Department of the Interior
🇺🇸ARINassigned
Announced Prefixes (BGP)
0total
0 IPv40 IPv6
IPv4 Addresses
Allocated (RIR)80,896
Announced (BGP)0
IPv6 Addresses
Allocated (RIR)0
Announced (BGP)0
Prefix Limit (IPv4)
100
Prefix Limit (IPv6)
5
Country
🇺🇸 USRIR
ARINStatus
assigned
Allocated
1994-08-24
Allocated Prefixes
(RIR)17Prefix | Country | RIR | Status |
|---|---|---|---|
| 137.227.0.0/16 | 🇺🇸 US | ARIN | allocated |
| 192.135.177.0/24 | 🇺🇸 US | ARIN | allocated |
| 192.135.178.0/24 | 🇺🇸 US | ARIN | allocated |
| 192.135.179.0/24 | 🇺🇸 US | ARIN | allocated |
| 192.135.180.0/24 | 🇺🇸 US | ARIN | allocated |
| 192.251.43.0/24 | 🇺🇸 US | ARIN | allocated |
| 192.251.44.0/24 | 🇺🇸 US | ARIN | allocated |
| 192.251.45.0/24 | 🇺🇸 US | ARIN | allocated |
| 198.183.146.0/23 | 🇺🇸 US | ARIN | allocated |
| 198.246.64.0/19 | 🇺🇸 US | ARIN | allocated |
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ASPA
No ASPA
External Links
Learn more
- What is an ASN?Autonomous systems, ASN ranges and how they are assigned
- RPKI and route origin validationWhat the RPKI badges on the prefix list mean
- ASPA explainedWhy AS3781 should publish an ASPA object
- IPv4 transfers in the ARIN regionMonthly volume and the latest registry transfers
- ASN data in AI agents and SIEMMCP server and API integrations
API
Open https://api.ipctl.io/v1/asn/3781Returns ASN details, announced prefixes, and BGP routing data.
curl -s "https://api.ipctl.io/v1/asn/3781" | jq