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ASN Lookup Tool
AS6871 British Telecommunications PLC

An 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.

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ASN Lookup for:

AS6871

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ASN Extended Info API
BGP Active Prefixes API
ASN Details JSON View

ASN Details

ASN
AS6871
Organisation
British Telecommunications PLC
AS Name
Plusnet
IPv4 Addresses Announced
2,138,355
IPv4 Prefixes Announced
72
IPv6 Prefixes Announced
4
IPv4 Bogon Prefixes
0
IPv6 Bogon Prefixes
0
IPv4 Space Rank
#210 out of 75,638
Registry
Ripe
Registered Country
GB
Registration Date
2002-08-08
Registration Change
2018-09-04

Receiving From

ASN
Organisation
AS2856
British Telecommunications PLC

Active Prefixes IPv4

Prefix
Range From
Range To
Prefix 143.159.0.0/16
Range From 143.159.0.0
Range To 143.159.255.255
Prefix 146.198.0.0/16
Range From 146.198.0.0
Range To 146.198.255.255
Prefix 146.199.0.0/16
Range From 146.199.0.0
Range To 146.199.255.255
Prefix 146.200.0.0/16
Range From 146.200.0.0
Range To 146.200.255.255
Prefix 146.66.32.0/19
Range From 146.66.32.0
Range To 146.66.63.255
Prefix 146.90.0.0/16
Range From 146.90.0.0
Range To 146.90.255.255
Prefix 147.147.0.0/16
Range From 147.147.0.0
Range To 147.147.255.255
Prefix 150.143.0.0/16
Range From 150.143.0.0
Range To 150.143.255.255
Prefix 194.75.0.0/19
Range From 194.75.0.0
Range To 194.75.31.255
Prefix 194.75.220.0/22
Range From 194.75.220.0
Range To 194.75.223.255
Showing 10 of 72 Results View More >

Active Prefixes IPv6

Prefix
Range From
Range To
Prefix 2a02:16c8::/35
Range From 2a02:16c8::
Range To 2a02:16c8:1fff:ffff:ffff:ffff:ffff:ffff
Prefix 2a02:16c8:2000::/35
Range From 2a02:16c8:2000::
Range To 2a02:16c8:3fff:ffff:ffff:ffff:ffff:ffff
Prefix 2a02:16c8:4000::/35
Range From 2a02:16c8:4000::
Range To 2a02:16c8:5fff:ffff:ffff:ffff:ffff:ffff
Prefix 2a02:16c8:6000::/35
Range From 2a02:16c8:6000::
Range To 2a02:16c8:7fff:ffff:ffff:ffff:ffff:ffff
Prefix 2a02:16c8:8000::/33
Range From 2a02:16c8:8000::
Range To 2a02:16c8:ffff:ffff:ffff:ffff:ffff:ffff