AS1637
Headquarters, USAISC Unknown registered in United States
122IPv4 prefixes
1IPv6 prefixes
#13,215AS Rank
326/327RIS visibility
#270Rank in United States
2004-05-12Allocated
Headquarters, USAISC (AS1637) — Unknown, registered in United States. announces 122 IPv4 prefixes + 1 IPv6 prefixes. Rank in United States: #270. Allocated: 2004-05-12.
IPv4 122IPv6 1
Announced prefixes · 123
- v4 155.6.31.0/24 unknown
- v4 155.6.32.0/24 unknown
- v4 155.6.33.0/24 unknown
- v4 155.6.35.0/24 unknown
- v4 155.6.37.0/24 unknown
- v4 155.6.39.0/24 unknown
- v4 155.6.40.0/24 unknown
- v4 155.6.41.0/24 unknown
- v4 155.6.42.0/24 unknown
- v4 155.6.48.0/24 unknown
- v4 155.6.51.0/24 unknown
- v4 155.6.53.0/24 unknown
- v4 155.6.55.0/24 unknown
- v4 155.6.56.0/24 unknown
- v4 155.6.57.0/24 unknown
- v4 155.6.58.0/24 unknown
- v4 155.6.90.0/24 unknown
- v4 155.6.91.0/24 unknown
- v4 155.6.98.0/24 unknown
- v4 6.134.24.0/22 unknown
- v4 6.16.88.0/24 unknown
- v4 6.16.89.0/24 unknown
- v6 2608:c141:30::/48 unknown
Routing: 122 IPv4 · 1 IPv6 announced · RIS visibility 326/327 RIS peers · RIPEstat · 2026-06-20
Prefix history
Data table
| Day | Announced prefixes |
|---|---|
| 2026-06-12 | 123 |
| 2026-06-13 | 123 |
| 2026-06-20 | 123 |
AS topology · Customer cone 1
Providers · 1
- AS27066 United States Department of Defense (DoD)
Embed this on your site
Badge 
[](https://ipdex.io/asn/AS1637/)
<a href="https://ipdex.io/asn/AS1637/"><img src="https://ipdex.io/badge/asn/1637.svg" alt="AS1637 on ipdex"></a>
Live chart (iframe)
<iframe src="https://ipdex.io/embed/asn/1637" width="680" height="260" frameborder="0" scrolling="no" title="ipdex chart" style="border:0;max-width:100%"></iframe>