BigDataCloud Logo

ASN Lookup Tool
AS50300 CUSTDC

Powered By:
ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS50300
Organisation
CustodianDC Limited
Name
CUSTDC
Total IPv4 Addresses
11,261
Total IPv4 Prefixes
41
Total IPv6 Prefixes
8
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#8,916 out of 79,318
Registry
Ripe
Registered Country
GB flagGB
Registered Country Name
United Kingdom of Great Britain and Northern Ireland (the)
Registered Date
2009-12-16
Registration Last Change
2025-09-01
Receiving From
ASN
Organisation
AS3356
US flagLevel 3 Parent, LLC
AS174
US flagCogent Communications, LLC
AS2914
US flagNTT America, Inc.
AS3257
US flagGTT Communications Inc.
AS4230
BR flagCLARO S.A.
Showing 5 of 71
Transit To
ASN
Organisation
AS31463
GB flagRedcentric Solutions Ltd
AS48407
IQ flagTigrisNet
AS43408
GB flagOrange Cyberdefense UK Limited
AS51926
GB flagPageOne Communications Ltd
IPv4 Active Prefixes
PrefixRange FromRange To
5.102.168.0/245.102.168.05.102.168.255
5.102.169.0/245.102.169.05.102.169.255
5.102.170.0/245.102.170.05.102.170.255
5.102.171.0/245.102.171.05.102.171.255
5.102.172.0/245.102.172.05.102.172.255
Showing 5 of 41
IPv6 Active Prefixes
PrefixRange FromRange To
2a00:1c10::/442a00:1c10::2a00:1c10:f:ffff:ffff:ffff:ffff:ffff
2a00:1c10:10::/442a00:1c10:10::2a00:1c10:1f:ffff:ffff:ffff:ffff:ffff
2a00:1c10:30::/442a00:1c10:30::2a00:1c10:3f:ffff:ffff:ffff:ffff:ffff
2a00:1c10:40::/442a00:1c10:40::2a00:1c10:4f:ffff:ffff:ffff:ffff:ffff
2a00:1c10:100::/402a00:1c10:100::2a00:1c10:1ff:ffff:ffff:ffff:ffff:ffff
Showing 5 of 8