72.5.161.0/24
At a glance
Addresses
/24 block
Visibility
52 of 80 vantage points
RPKI
Registry
USAllocated 30th September 2004
AS paths to this prefix
All pathsOne observed path, hop by hop, from the origin out to Amsterdam.
Seen from Amsterdam
- Peer of AS14636seen on 1,567 paths from 117 vantage points
- Peer of AS24247seen on 2,980 paths from 130 vantage points
- Peer of AS1828seen on 1,678 paths from 3 vantage points
- Peer of AS34549seen on 716,762 paths from 2 vantage points
HK
DEOne 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
- London, UK3247517464538529This path
- Sao Paulo324751743356266213This path
- Singapore14636242471828132337This path
- Amsterdam1463624247182834549213151Shown above
- Oregon, US3247517429142335220130This 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
65%
Seen by 52 of 80 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
- ARIN — North America
- Country
- United States
- Allocated
- 30th September 2004
- Allocation block
- 72.5.160.0/22
- 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.
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
| Prefix | Addresses | Origin | Visibility |
|---|---|---|---|
| 72.5.160.0/23 | 512 | AS32475Internap Holding LLC | 28/80 |
| 72.5.160.0/23 | 512 | AS14636Internap Holding LLC | 52/80 |
| 72.5.160.0/21 | 2k | AS14743Unitas Global | 80/80 |
More specific announcements
Nothing inside this block is announced separately.
Sibling prefixes
| Prefix | Addresses | Origin | Visibility |
|---|---|---|---|
| 72.5.160.0/24 | 256 | AS14636Internap Holding LLC | 52/80 |
| 72.5.160.0/24 | 256 | AS32475Internap Holding LLC | 28/80 |
History
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 72.5.161.0/24 in the calculator/24 reference
Routing data derived from RouteViews MRT archives and public registry data.