SUBNET.IM

196.2.72.0/21

Utande Internet Services (Pvt) LtdAS37183

At a glance

Addresses

2,048

/21 block

Visibility

3%

2 of 80 vantage points

RPKI

No ROA

Registry

AFRINICMU

Allocated 27th October 2005

AS paths to this prefix

One real path per vantage point, fanning out from the origin. Where two reach the prefix the same way, those hops are drawn once. Open a path to follow it hop by hop.

OriginVantage points
AS path graph: 1 observed path to 196.2.72.0/21, fanning out from AS37183 toward the vantage points that see it. Each path is written out in full beneath the graph.AS37183Utande Internet S…OriginAS58453China Mobile Inte…AS15802Emirates Integrat…AS8966Etisalat (E&)AS132337Axclusive
  1. Singapore3718358453158028966132337This 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.

Route visibility

3%

Seen by 2 of 80 full-feed vantage points

Seen by few vantage points

Observed at 2 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
AFRINIC — Africa
Country
Mauritius
Allocated
27th October 2005
Allocation block
196.2.64.0/20
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.

CoveringMore specific
Prefix hierarchy for 196.2.72.0/21: the announcements covering it on the left, the announcements inside it on the right. Every prefix drawn is also listed in the tables below.196.2.64.0/20AS37183196.2.72.0/21AS37183This prefix196.2.64.0/21AS37183196.2.72.0/24AS37183196.2.73.0/24AS37183196.2.75.0/24AS37183196.2.76.0/24AS37183

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 196.2.72.0/21
PrefixAddressesOriginVisibility
196.2.64.0/204.1kAS37183Utande Internet Services (Pvt) Ltd79/80

Sibling prefixes

Prefixes of the same length sharing a parent block with 196.2.72.0/21
PrefixAddressesOriginVisibility
196.2.64.0/212kAS37183Utande Internet Services (Pvt) Ltd2/80

History

  1. AS3718312th 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.

Open 196.2.72.0/21 in the calculator/21 reference

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