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Show figures of the routing table on the home page (closes #154)
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The home page gets cards for the newest and oldest kept route, the newest
and oldest updated AS, the AS with the most prefixes, the ASes with a
single prefix and fifteen well-known networks. Two more cards count the
bogon announcements and the prefixes with several origin ASes. They link
to the new pages /bogons and /multiple-origins, which list up to 1,000
entries each.

The new package internal/bogon tells reserved prefixes and AS numbers,
from the IANA special-purpose and address space registries. Table.Overview
walks the table and lets the read lock go every 10,000 prefixes. The
server works the cards out once a minute and serves that copy. A new index
on asns(last_seen) finds the newest and oldest updated AS.

Model: opus-5-5
This commit was merged in pull request #196.
This commit is contained in:
clawbot
2026-10-27 18:27:01 +01:00
parent e68be8254a
commit 281d162e27
23 changed files with 2240 additions and 6 deletions
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internal/templates/index.html
+149
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@@ -276,6 +276,52 @@
margin-top: 12px;
}
/* Cards with figures of the routing table, worked out once a minute */
#table-cards p,
#well-known p {
margin: 0 0 8px 0;
font-size: 14px;
}
#table-cards a,
#well-known a {
color: #3498db;
text-decoration: none;
}
#table-cards a:hover,
#well-known a:hover {
text-decoration: underline;
}
#table-cards .card-figure {
font-size: 32px;
font-weight: bold;
}
#table-cards .card-detail,
#table-cards .card-time {
color: #7f8c8d;
font-size: 12px;
}
#table-cards .prefix {
font-family: 'SF Mono', Monaco, 'Cascadia Mono', 'Roboto Mono', Consolas, 'Courier New', monospace;
}
#well-known {
margin-bottom: 40px;
}
#well-known table {
width: 100%;
border-collapse: collapse;
font-size: 14px;
}
#well-known th,
#well-known td {
text-align: left;
padding: 8px 4px;
border-bottom: 1px solid #eee;
}
#well-known th {
color: #7f8c8d;
font-weight: 600;
}
/* Footer */
.footer {
margin-top: 40px;
@@ -381,6 +427,109 @@
</div>
</div>
{{ with .Cards }}
<div class="search-section" id="table-cards">
<div class="search-card">
<h2>Newest Updated Route</h2>
{{ with .NewestRoute }}
<p><a href="{{ prefixURL .Prefix.String }}" class="prefix">{{ .Prefix }}</a> from {{ if .OriginASN }}<a href="/as/{{ .OriginASN }}">AS{{ .OriginASN }}</a>{{ else }}no known origin{{ end }}</p>
<p class="card-time">{{ .Time.UTC.Format "2006-01-02 15:04:05" }} UTC, {{ timeSince .Time }}</p>
{{ else }}
<p>The routing table keeps no route yet.</p>
{{ end }}
</div>
<div class="search-card">
<h2>Oldest Updated Route</h2>
{{ with .OldestRoute }}
<p><a href="{{ prefixURL .Prefix.String }}" class="prefix">{{ .Prefix }}</a> from {{ if .OriginASN }}<a href="/as/{{ .OriginASN }}">AS{{ .OriginASN }}</a>{{ else }}no known origin{{ end }}</p>
<p class="card-time">{{ .Time.UTC.Format "2006-01-02 15:04:05" }} UTC, {{ timeSince .Time }}</p>
{{ else }}
<p>The routing table keeps no route yet.</p>
{{ end }}
</div>
<div class="search-card">
<h2>Newest Updated AS</h2>
{{ with .NewestAS }}
<p><a href="/as/{{ .ASN }}">AS{{ .ASN }}</a> {{ .Handle }}</p>
<p class="card-detail">{{ .Description }}</p>
<p class="card-time">Last seen {{ .LastSeen.UTC.Format "2006-01-02 15:04:05" }} UTC, {{ timeSince .LastSeen }}</p>
{{ else }}
<p>No AS has been seen yet.</p>
{{ end }}
</div>
<div class="search-card">
<h2>Oldest Updated AS</h2>
{{ with .OldestAS }}
<p><a href="/as/{{ .ASN }}">AS{{ .ASN }}</a> {{ .Handle }}</p>
<p class="card-detail">{{ .Description }}</p>
<p class="card-time">Last seen {{ .LastSeen.UTC.Format "2006-01-02 15:04:05" }} UTC, {{ timeSince .LastSeen }}</p>
{{ else }}
<p>No AS has been seen yet.</p>
{{ end }}
</div>
<div class="search-card">
<h2>AS with the Most Prefixes</h2>
{{ if .MostPrefixes }}
<p><a href="/as/{{ .MostPrefixesASN }}">AS{{ .MostPrefixesASN }}</a></p>
<p>Prefixes it originates: {{ .MostPrefixes }}</p>
{{ else }}
<p>No AS originates a prefix yet.</p>
{{ end }}
</div>
<div class="search-card">
<h2>ASes with the Fewest Prefixes</h2>
<p>ASes that originate a single prefix: {{ .SinglePrefixASes }}</p>
{{ with .NewestSinglePrefix }}
<p>The most recently updated of them: <a href="/as/{{ .OriginASN }}">AS{{ .OriginASN }}</a>, with <a href="{{ prefixURL .Prefix.String }}" class="prefix">{{ .Prefix }}</a></p>
<p class="card-time">{{ .Time.UTC.Format "2006-01-02 15:04:05" }} UTC, {{ timeSince .Time }}</p>
{{ end }}
</div>
<div class="search-card">
<h2>Bogon Announcements</h2>
<p class="card-figure"><a href="/bogons">{{ .BogonCount }}</a></p>
<p>Routes that announce a reserved prefix, or that come from a reserved AS number</p>
</div>
<div class="search-card">
<h2>Prefixes with Several Origins</h2>
<p class="card-figure"><a href="/multiple-origins">{{ .MultipleOriginCount }}</a></p>
<p>Prefixes announced by more than one origin AS</p>
</div>
</div>
<div class="search-card" id="well-known">
<h2>Well-Known Networks</h2>
<table>
<thead>
<tr>
<th>Network</th>
<th>Prefixes</th>
<th>Last Update</th>
</tr>
</thead>
<tbody>
{{ range .WellKnownNetworks }}
<tr>
<td><a href="/as/{{ .ASN }}">AS{{ .ASN }}</a> {{ .Name }}</td>
<td>{{ .Prefixes }}</td>
<td>{{ with .Newest }}{{ timeSince . }}{{ else }}no route{{ end }}</td>
</tr>
{{ end }}
</tbody>
</table>
</div>
{{ else }}
<div class="search-card" id="well-known">
<p>The figures of the routing table are being worked out. Reload the page in a minute.</p>
</div>
{{ end }}
<div class="search-card" id="ip-api">
<h2>IP Information API</h2>
<p>The API answers what RouteWatch knows about an IP address, such as its AS number and country. <code>/ip/</code> with no address answers for the caller's own address.</p>