Country
—
ASN LANDING PAGE
AS27066
DNIC-ASBLK-27032-27159 - United States Department of Defense (DoD)
Last updated · Jul 20, 2026
Total prefixes
124
IPv4 prefixes
116
IPv6 prefixes
8
ASN summary
How to read the scale of AS27066
DNIC-ASBLK-27032-27159 - United States Department of Defense (DoD) currently reports 124 prefixes and 32 upstream, downstream, or peer relationships. These counts describe the current dataset; they do not by themselves prove network quality, reach, or service use.
What can an ASN page answer?
An ASN page shows the public organization label, country or region, BGP prefixes, and available peer and upstream relationships. It adds network context but cannot confirm a website host, physical facility, security status, or service quality.
How should you read the organization and region fields?
DNIC-ASBLK-27032-27159 - United States Department of Defense (DoD) is currently associated with an unknown region. These values come from public network sources and are useful lookup clues; an organization label, registration region, and actual service location may differ.
How should you verify the AS27066 result?
The page shows ASN data returned by the current upstream query; interpret it with the update time. Open representative IP pages from the same network and compare prefixes, source labels, and query times. Verify operator or service claims with the relevant registry or network operator.
How to verify this ASN result
AS27066 ASN lookupAS27066 BGPAS27066 peersAS27066 prefixesAS27066 upstreamsDNIC-ASBLK-27032-27159 - United States Department of Defense (DoD) ASN
Upstreams
Detailed data for this ASN is not available right now.
Downstreams
AS747
AS747
—
AS27046
AS27046
—
AS1637
AS1637
—
AS27137
AS27137
—
AS637
AS637
—
AS427
AS427
—
AS5927
AS5927
—
AS1649
AS1649
—
AS1600
AS1600
—
AS647
AS647
—
AS1516
AS1516
—
AS5972
AS5972
—
AS409
AS409
—
AS399
AS399
—
AS665
AS665
—
AS5860
AS5860
—
AS316
AS316
—
AS3954
AS3954
—
AS306
AS306
—
AS337
AS337
—
AS321
AS321
—
AS405
AS405
—
AS619
AS619
—
AS5284
AS5284
—
AS27149
AS27149
—
AS3916
AS3916
—
AS5958
AS5958
—
AS5982
AS5982
—
AS27153
AS27153
—
AS6025
AS6025
—
Peers
Prefix inventory
| Prefix | Name | Country |
|---|---|---|
| 134.229.134.0/24 | AS27066 | — |
| 134.229.136.0/24 | AS27066 | — |
| 134.229.176.0/24 | AS27066 | — |
| 134.229.177.0/24 | AS27066 | — |
| 134.229.178.0/24 | AS27066 | — |
| 139.241.129.0/24 | AS27066 | — |
| 139.241.131.0/24 | AS27066 | — |
| 139.241.132.0/24 | AS27066 | — |
| 139.241.133.0/24 | AS27066 | — |
| 139.241.134.0/24 | AS27066 | — |
| 139.241.137.0/24 | AS27066 | — |
| 139.241.139.0/24 | AS27066 | — |
| 139.241.147.0/24 | AS27066 | — |
| 139.241.148.0/24 | AS27066 | — |
| 139.241.150.0/24 | AS27066 | — |
| 139.241.151.0/24 | AS27066 | — |
| 139.241.51.0/24 | AS27066 | — |
| 139.241.72.0/24 | AS27066 | — |
| 139.241.73.0/24 | AS27066 | — |
| 139.241.74.0/24 | AS27066 | — |
| 139.241.75.0/24 | AS27066 | — |
| 139.241.76.0/24 | AS27066 | — |
| 139.241.77.0/24 | AS27066 | — |
| 139.242.12.0/24 | AS27066 | — |
| 140.14.45.0/24 | AS27066 | — |
| 140.14.47.0/24 | AS27066 | — |
| 155.7.180.0/24 | AS27066 | — |
| 156.112.113.0/24 | AS27066 | — |
| 156.112.114.0/24 | AS27066 | — |
| 156.112.135.0/24 | AS27066 | — |
| 156.112.166.0/24 | AS27066 | — |
| 156.112.167.0/24 | AS27066 | — |
| 159.77.104.0/24 | AS27066 | — |
| 159.77.105.0/24 | AS27066 | — |
| 159.77.106.0/23 | AS27066 | — |
| 159.77.33.0/24 | AS27066 | — |
| 159.77.34.0/24 | AS27066 | — |
| 159.77.35.0/24 | AS27066 | — |
| 159.77.44.0/24 | AS27066 | — |
| 159.77.45.0/24 | AS27066 | — |
Related ASN pages
AS15169 · Google
Review Google network organization fields, prefixes, peers, upstreams, and downstreams.
AS13335 · Cloudflare
Review Cloudflare network organization fields, prefixes, peers, upstreams, and downstreams.
AS8075 · Microsoft
Review Microsoft network organization fields, prefixes, peers, upstreams, and downstreams.
AS16509 · Amazon
Review Amazon network organization fields, prefixes, peers, upstreams, and downstreams.
Related lookups and next steps
Frequently asked questions about this ASN page
What does AS27066 represent?
AS27066 is an autonomous system number. The current source associates it with DNIC-ASBLK-27032-27159 - United States Department of Defense (DoD) and the region field an unknown region; those values add network context but do not prove a specific service, physical location, or quality level.
What are peers, upstreams, and prefixes useful for on the AS27066 page?
They help explain the scale, interconnection depth, and route structure of AS27066. Richer peering and upstream data often indicate broader network reach, but they should still be interpreted together with prefixes and related IP landing pages.
What should you do after reviewing AS27066?
Open a concrete IP page to check how the address maps into AS27066, then compare the prefix, source labels, and query time. Verify operator or service claims with the relevant registry or network operator.
Related topics
BGP and ASN Basics Guide
Use real IP and ASN pages to understand ASNs, BGP prefixes, peers, upstreams, and downstreams, including the limits of each snapshot.
Routing Troubleshooting and Network Analysis
Build troubleshooting context from an IP, BGP prefix, ASN, and public network relationships without treating static route data as a packet path.
Cloud Network and ASN Comparison
Compare representative cloud and edge networks by ASN, announced prefixes, peers, upstreams, and downstreams without inferring a specific host or customer workload.