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ASN Lookup Tool
AS8220 COLT

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ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS8220
Organisation
COLT Technology Services Group Limited
Name
COLT
Total IPv4 Addresses
1324907
Total IPv4 Prefixes
1052
Total IPv6 Prefixes
859
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#311 out of 76,414
Registry
Ripe
Registered Country
GB flag GB
Registered Country Name
United Kingdom of Great Britain and Northern Ireland (the)
Registered Date
2002-08-29
Registration Last Change
2022-03-07
Receiving From

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

ASN
Organisation
AS4635
HK flagThe Hong Kong Internet Exchange Limited
AS24115
SG flagEquinix Asia Pacific Pte Ltd
AS33891
DE flagCore-Backbone GmbH
AS7018
US flagAT&T Services, Inc.
AS17676
JP flagSoftBank Corp.
Showing 5 of 133
Transit To

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

 

ASN
Organisation
AS51078
FR flagZIOSTING SAS
AS47446
IE flagBarclays Bank lreland PLC
AS4200000210
WORLD flagPrivate Use AS
AS209449
IE flagVmware International Unlimited Company
AS203438
GB flagRegus Group Services Ltd
Showing 5 of 2518
IPv4 Active Prefixes

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

Prefix27.110.0.0/21
Range From27.110.0.0
Range To27.110.7.255
Prefix27.110.8.0/23
Range From27.110.8.0
Range To27.110.9.255
Prefix27.110.10.0/24
Range From27.110.10.0
Range To27.110.10.255
Prefix27.110.11.0/24
Range From27.110.11.0
Range To27.110.11.255
Prefix27.110.12.0/22
Range From27.110.12.0
Range To27.110.15.255
Showing 5 of 1052
IPv6 Active Prefixes
Prefix2001:678:274::/48
Range From2001:678:274::
Range To2001:678:274:ffff:ffff:ffff:ffff:ffff
Prefix2001:678:868::/48
Range From2001:678:868::
Range To2001:678:868:ffff:ffff:ffff:ffff:ffff
Prefix2001:67c:424::/48
Range From2001:67c:424::
Range To2001:67c:424:ffff:ffff:ffff:ffff:ffff
Prefix2001:67c:2b34::/48
Range From2001:67c:2b34::
Range To2001:67c:2b34:ffff:ffff:ffff:ffff:ffff
Prefix2001:920::/45
Range From2001:920::
Range To2001:920:7:ffff:ffff:ffff:ffff:ffff
Showing 5 of 859
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.