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ASN Lookup Tool
AS8220 COLT Technology Services Group Limited

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:

AS8220

Powered By:
ASN Extended Info API
BGP Active Prefixes API
ASN Details JSON View

ASN Details

ASN
AS8220
Organisation
COLT Technology Services Group Limited
AS Name
COLT
IPv4 Addresses Announced
1,316,060
IPv4 Prefixes Announced
1,065
IPv6 Prefixes Announced
887
IPv4 Bogon Prefixes
0
IPv6 Bogon Prefixes
0
IPv4 Space Rank
#313 out of 75,562
Registry
Ripe
Registered Country
GB
Registration Date
2002-08-29
Registration Change
2022-03-07

Receiving From

ASN
Organisation
AS4635
The Hong Kong Internet Exchange Limited
AS24115
Equinix Asia Pacific Pte Ltd
AS7018
AT&T Services, Inc.
AS3320
Deutsche Telekom AG
AS3356
Level 3 Parent, LLC
AS7922
Comcast Cable Communications, LLC
AS174
Cogent Communications
AS2516
KDDI CORPORATION
AS1239
Sprint
AS3209
Vodafone GmbH
Showing 10 of 121 Results View More >

Transit To

ASN
Organisation
AS398334
Vocinity, Inc.
AS34640
NEX Services Limited
AS51078
ZIOSTING SAS
AS47446
Barclays Bank lreland PLC
AS203438
Regus Group Services Ltd
AS4200006024
Private Use AS
AS65068
Private Use AS
AS65067
Private Use AS
AS65136
Private Use AS
AS64943
Private Use AS
Showing 10 of 2,489 Results View More >

Active Prefixes IPv4

Prefix
Range From
Range To
Prefix 109.75.100.0/22
Range From 109.75.100.0
Range To 109.75.103.255
Prefix 109.75.105.0/24
Range From 109.75.105.0
Range To 109.75.105.255
Prefix 110.50.78.0/23
Range From 110.50.78.0
Range To 110.50.79.255
Prefix 118.67.224.0/19
Range From 118.67.224.0
Range To 118.67.255.255
Prefix 129.41.90.0/24
Range From 129.41.90.0
Range To 129.41.90.255
Prefix 136.225.0.0/16
Range From 136.225.0.0
Range To 136.225.255.255
Prefix 137.213.248.0/24
Range From 137.213.248.0
Range To 137.213.248.255
Prefix 139.181.48.0/24
Range From 139.181.48.0
Range To 139.181.48.255
Prefix 144.211.198.0/24
Range From 144.211.198.0
Range To 144.211.198.255
Prefix 147.204.2.0/24
Range From 147.204.2.0
Range To 147.204.2.255
Showing 10 of 1,065 Results View More >

Active Prefixes IPv6

Prefix
Range From
Range To
Prefix 2001:678:274::/48
Range From 2001:678:274::
Range To 2001:678:274:ffff:ffff:ffff:ffff:ffff
Prefix 2001:678:868::/48
Range From 2001:678:868::
Range To 2001:678:868:ffff:ffff:ffff:ffff:ffff
Prefix 2001:67c:2b34::/48
Range From 2001:67c:2b34::
Range To 2001:67c:2b34:ffff:ffff:ffff:ffff:ffff
Prefix 2001:67c:424::/48
Range From 2001:67c:424::
Range To 2001:67c:424:ffff:ffff:ffff:ffff:ffff
Prefix 2001:920::/46
Range From 2001:920::
Range To 2001:920:3:ffff:ffff:ffff:ffff:ffff
Prefix 2001:920:10::/44
Range From 2001:920:10::
Range To 2001:920:1f:ffff:ffff:ffff:ffff:ffff
Prefix 2001:920:100::/40
Range From 2001:920:100::
Range To 2001:920:1ff:ffff:ffff:ffff:ffff:ffff
Prefix 2001:920:1000::/48
Range From 2001:920:1000::
Range To 2001:920:1000:ffff:ffff:ffff:ffff:ffff
Prefix 2001:920:1001::/48
Range From 2001:920:1001::
Range To 2001:920:1001:ffff:ffff:ffff:ffff:ffff
Prefix 2001:920:1002::/47
Range From 2001:920:1002::
Range To 2001:920:1003:ffff:ffff:ffff:ffff:ffff
Showing 10 of 887 Results View More >