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ASN Lookup Tool
AS43872 OPTINET

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ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS43872
Organisation
Optinet U.K. Limited
Name
OPTINET
Total IPv4 Addresses
6,400
Total IPv4 Prefixes
16
Total IPv6 Prefixes
2
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#12,426 out of 79,049
Registry
Ripe
Registered Country
GB flagGB
Registered Country Name
United Kingdom of Great Britain and Northern Ireland (the)
Registered Date
2016-12-20
Registration Last Change
2023-09-25
Receiving From

The list of active Autonomous Systems (ASs) which send traffic to that ASN.

ASN
Organisation
AS20562
NL flagBroadband Hosting B.V.
AS174
US flagCogent Communications
AS3257
US flagGTT Communications Inc.
AS3741
ZA flagDimension Data
AS5713
ZA flagTelkom SA Ltd.
Showing 5 of 44
IPv4 Active Prefixes

This provides the list of IPv4 address space routes/prefixes currently announced on Border Gateway Protocol (BGP).

PrefixRange FromRange To
5.253.252.0/225.253.252.05.253.255.255
45.136.108.0/2445.136.108.045.136.108.255
84.38.246.0/2484.38.246.084.38.246.255
91.201.105.0/2491.201.105.091.201.105.255
92.118.111.0/2492.118.111.092.118.111.255
Showing 5 of 16
IPv6 Active Prefixes
PrefixRange FromRange To
2a0b:180::/292a0b:180::2a0b:187:ffff:ffff:ffff:ffff:ffff:ffff
2a10:cac0::/292a10:cac0::2a10:cac7:ffff:ffff:ffff:ffff:ffff:ffff