SUBNET.IM

AS21033ESSILOR International SAS

FranceRegistryRIPE NCC

At a glance

IPv4 prefixes

8

IPv6 prefixes

0

IPv4 addresses

2.3k

IPv6 /64s

0

Upstream graph

The networks AS21033 is seen behind, one and two hops out, drawn from real AS paths.

AS21033Toward the internet core
Upstream graph for AS21033: 5 neighbouring networks observed beyond it across 2 levels. The same networks are listed in the tables below.AS21033ESSILOR Internati…This networkAS8220COLTAS139883SPTEL PTE. LTD.AS1299Arelion (fka. Tel…AS15576NTS workspace AGAS23856SPTEL PTE. LTD.

Networks observed one and two hops upstream of AS21033 in real AS paths. A thicker line means more vantage points saw that adjacency, so weight tracks how well attested it is — not how much traffic it carries. Adjacency is an observation; whether it is a transit purchase or a settlement-free peering is an inference, and is labelled as one wherever we show it.

Neighbouring networks

4

adjacent networks

Upstreams
250%
Peers
250%
Downstreams
00%

Networks carrying this one's traffic toward the rest of the internet.

Upstreams of AS21033
NetworkCountryRelationshipPathsVantage pts
AS8220COLTGBPeer56080
AS139883SPTEL PTE. LTD.SGPeer7979

Prefixes

The largest blocks AS21033 originates, widest first.

Largest prefixes originated by AS21033
PrefixAddressesVisibility
193.242.42.0/2351279/80
193.242.5.0/2425680/80
193.242.6.0/2425680/80
193.242.7.0/2425680/80
193.242.9.0/2425680/80
193.242.11.0/2425680/80
193.242.17.0/2425680/80
193.242.46.0/2425680/80

Routing data derived from RouteViews MRT archives, BGPKIT relationship inference and public registry data.