2404:c940::/48
At a glance
Subnets
/48 block
Visibility
52 of 62 vantage points
RPKI
Registry
CNAllocated 20th April 2019
AS paths to this prefix
All pathsOne observed path, hop by hop, from the origin out to London, UK.
Seen from London, UK
- Peer of AS138421seen on 21,127 paths from 141 vantage points
- Peer of AS4837seen on 238,470 paths from 58 vantage points
- Peer of AS1299seen on 383,049 paths from 4 vantage points
- Peer of AS34288seen on 42,123 paths from 30 vantage points
SE
CHOne path, hop by hop, from the origin outward to the vantage point that saw it. Counts beside each step are how often we see that pair adjacent anywhere in the table, not how often this path was used — BGP carries no traffic figures.
Every path we see
- Sao Paulo13842148371295632590This path
- Singapore13842148374766132337This path
- Amsterdam1384214837551134549213151This path
- London, UK138421483712993428851907Shown above
Each row is one path genuinely present in the routing table at our last snapshot, read outward from the origin to the vantage point that saw it. Open a row to follow that one path hop by hop. A heavier line in the graph means more vantage points reach the prefix that same way.
Route visibility
84%
Seen by 52 of 62 full-feed vantage points
Partially propagatedObserved at 4 of our collectors.
What this percentage counts
The denominator counts only full-feed peers — peers carrying a substantially complete routing table at the moment of the snapshot. IXP route-server peers usually feed partial tables and are excluded, because including them would make a normally propagated prefix look as though half the internet could not see it.
It measures how widely an announcement has spread across the networks we can observe. It says nothing about whether the prefix is reachable from any particular place, or how it performs.
Registry and RPKI
- RIR
- APNIC — Asia-Pacific
- Country
- China
- Allocated
- 20th April 2019
- Allocation block
- 2404:c940::/32
- Status
- allocated
- Origin validation
- No ROA
No ROA covers this prefix, so RPKI has nothing to say about it either way. This is still the common case for a large share of the routing table.
Prefix hierarchy
Announcements above, below and beside this one in the real routing table.
Covering announcements
No less specific announcement covers this prefix.
More specific announcements
Nothing inside this block is announced separately.
Sibling prefixes
No prefix of the same length in the same parent block is announced.
History
- AS13842112th August 2026 — present
Why these dates start where they do
A first-seen date is the first time we saw that origin, not the first time it appeared in BGP. Our history is forward-only with no backfill, so it says nothing about the period before we started collecting — treat the earliest dates with suspicion.
Routing data derived from RouteViews MRT archives and public registry data.