AS166 IDA-AS - Institute for Defense Analyses
🇺🇸ARINassigned
Announced Prefixes (BGP)
18total
18 IPv40 IPv6
IPv4 Addresses
Allocated (RIR)134,912
Announced (BGP)134,656
IPv6 Addresses
Allocated (RIR)0
Announced (BGP)0
Announced Prefixes
(BGP)18|
Prefix | RPKI | IRR | Last Seen |
|---|---|---|---|
| No ROA | - | 2026-10-10 | |
| No ROA | - | 2026-10-10 | |
| No ROA | - | 2026-10-10 | |
| No ROA | - | 2026-10-10 | |
| No ROA | - | 2026-10-10 | |
| No ROA | - | 2026-10-10 | |
| No ROA | - | 2026-10-10 | |
| No ROA | - | 2026-10-10 | |
| No ROA | - | 2026-10-10 | |
| No ROA | - | 2026-10-10 |
1-10 of 18
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Allocated Prefixes
(RIR)17Prefix | Country | RIR | Status |
|---|---|---|---|
| 129.246.0.0/16 | 🇺🇸 US | ARIN | allocated |
| 164.217.0.0/16 | 🇺🇸 US | ARIN | allocated |
| 192.231.39.0/24 | 🇺🇸 US | ARIN | allocated |
| 198.97.168.0/24 | 🇺🇸 US | ARIN | allocated |
| 198.97.169.0/24 | 🇺🇸 US | ARIN | allocated |
| 198.97.170.0/24 | 🇺🇸 US | ARIN | allocated |
| 198.97.171.0/24 | 🇺🇸 US | ARIN | allocated |
| 198.97.172.0/24 | 🇺🇸 US | ARIN | allocated |
| 198.97.173.0/24 | 🇺🇸 US | ARIN | allocated |
| 198.97.174.0/24 | 🇺🇸 US | ARIN | allocated |
1-10 of 17
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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 AS166 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/166Returns ASN details, announced prefixes, and BGP routing data.
curl -s "https://api.ipctl.io/v1/asn/166" | jq