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ASN Lookup Tool
AS12258 OPTINET

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ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS12258
Organisation
Dimension Data
Name
OPTINET
Total IPv4 Addresses
43,008
Total IPv4 Prefixes
62
Total IPv6 Prefixes
0
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#4,375 out of 78,230
Registry
Afrinic
Registered Country
ZA flag ZA
Registered Country Name
South Africa
Registered Date
Registration Last Change
Receiving From

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

ASN
Organisation
AS3356
US flagLevel 3 Parent, LLC
AS174
US flagCogent Communications
AS2914
US flagNTT America, Inc.
AS3303
CH flagSwisscom (Schweiz) AG
AS9498
IN flagBharti Airtel Limited
Showing 5 of 72
Transit To

The list of active Autonomous Systems (ASs) which receive traffic from that ASN.

 

ASN
Organisation
AS65100
WORLD flagPrivate Use AS
AS12258
ZA flagDimension Data
IPv4 Active Prefixes

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

Prefix41.86.112.0/22
Range From41.86.112.0
Range To41.86.115.255
Prefix41.86.120.0/21
Range From41.86.120.0
Range To41.86.127.255
Prefix196.2.32.0/21
Range From196.2.32.0
Range To196.2.39.255
Prefix196.2.40.0/23
Range From196.2.40.0
Range To196.2.41.255
Prefix196.2.43.0/24
Range From196.2.43.0
Range To196.2.43.255
Showing 5 of 62
Autonomous System (AS) is a network (or collection of networks) that are all managed and supervised by a single entity or organisation. This tool provides a comprehensive ownership and connectivity report for any given AS number.