Lab notes
Measurements, written up
What we measure on our own anycast network (AS218833) and on public anycast DNS services, with method, numbers and the charts to check them. RSS.
-
2026-09-11
How Germany delegates: 139 zones, 77 % outsourced, 60 % in one country
DAX-40, federal government, the states, public broadcasters, banks and grid operators: who runs their nameservers, how many stand in one country and one network, and how few are signed.
-
2026-09-06
1 to 33 anycast sites at one cloud provider: a staircase, not a curve
One prefix, six stages, the same 1,000 RIPE Atlas probes at every step. What each site buys, what none of them buy, and the site that made a continent slower.
-
2026-08-28
AS218833: from ASN assignment to two-site anycast in one afternoon
Timeline and field notes: RIPE assigns the ASN at 14:37, the first announcement hits the DFZ at 16:27, the second site turns it into anycast at 17:19.