subnet.im

2803:f640:2000::/36

At a glance

Subnets

268,435,456 × /64

/36 block

Visibility

98%

61 of 62 vantage points

RPKI

Valid

Registry

LACNICBQ

Allocated 21st September 2015

AS paths to this prefix

All paths

One observed path, hop by hop, from the origin out to London, UK.

OriginVantage point · London, UK
One AS path to 2803:f640:2000::/36 as seen from London, UK, read outward from the origin: AS27694 → AS23520 → AS174 → AS15576 → AS51907. Each hop is listed with its network name beneath the graph.AS27694Flamingo TV Bonai…OriginAS23520Columbus Networks…AS174Cogent Communicat…AS15576NTS workspace AGAS51907Kanton Zug

Seen from London, UK

  1. Peer of AS27694seen on 359 paths from 140 vantage points
  2. Peer of AS23520seen on 154,715 paths from 107 vantage points
  3. Peer of AS174seen on 147,033 paths from 3 vantage points
  4. Peer of AS15576seen on 442,038 paths from 2 vantage points
  5. 5AS51907Kanton ZugCHVantage point

One 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

  1. Amsterdam276942352017434549213151This path
  2. London, UK27694235201741557651907Shown above
  3. Sao Paulo276942352068301295632590This path
  4. Singapore276942352012996939132337This path

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

98%

Seen by 61 of 62 full-feed vantage points

Globally propagated

Observed 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
LACNIC — Latin America and the Caribbean
Country
Caribbean Netherlands
Allocated
21st September 2015
Allocation block
2803:f640::/32
Status
allocated
Origin validation
Valid

A ROA exists that authorises this origin AS to announce this prefix at this length.

ROAs covering this prefix

Route Origin Authorisations covering 2803:f640:2000::/36
ROA prefixAuthorised originMax length
2803:f640::/32AS27694/36

Prefix hierarchy

Announcements above, below and beside this one in the real routing table.

CoveringMore specific
Prefix hierarchy for 2803:f640:2000::/36: the announcements covering it on the left, the announcements inside it on the right. Every prefix drawn is also listed in the tables below.2803:f640::/32AS276942803:f640:2000::…AS27694This prefix

Left to right is specificity: a shorter mask covering more address space, then this prefix, then the announcements carved out inside it. Only the first few of each are drawn — the tables below list them all.

Covering announcements

Announcements that contain 2803:f640:2000::/36
PrefixAddressesOriginVisibility
2803:f640::/324.3B × /64AS27694Flamingo TV Bonaire N.V.61/62

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

  1. AS2769412th 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.