subnet.im

83.240.151.0/25

Not announced at this prefix length

We do not see 83.240.151.0/25 announced as its own route. The most specific announcement covering it is 83.240.128.0/17, originated by AS15525 (MEO - SERVICOS DE COMUNICACOES E MULTIMEDIA S.A.). Traffic to addresses in this block follows that route.

At a glance

Addresses

128

/25 block

Visibility

Unknown

RPKI

Unknown

Registry

RIPE NCCPT

Allocated 17th March 2004

AS paths to this prefix

No AS paths are stored for this prefix. We keep the full path from one reference peer per collector rather than from every peer, so a prefix only has paths here once it has been seen by one of those peers.

Registry and RPKI

RIR
RIPE NCC — Europe, Middle East, Central Asia
Country
Portugal
Allocated
17th March 2004
Allocation block
83.240.128.0/17
Status
allocated
Origin validation
Unknown

ROAs covering this prefix

Route Origin Authorisations covering 83.240.151.0/25
ROA prefixAuthorised originMax length
83.240.128.0/17AS15525/24

Prefix hierarchy

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

CoveringMore specific
Prefix hierarchy for 83.240.151.0/25: the announcements covering it on the left, the announcements inside it on the right. Every prefix drawn is also listed in the tables below.83.240.128.0/17AS1552583.240.151.0/25This 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 83.240.151.0/25
PrefixAddressesOriginVisibility
83.240.128.0/1732.8kAS15525MEO - SERVICOS DE COMUNICACOES E MULTIMEDIA S.A.76/76

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. AS1552531st October 2026 — 31st October 2026
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.

Open 83.240.151.0/25 in the calculator/25 reference

Routing data derived from RouteViews MRT archives and public registry data.