AS15404

Name: AS15404 — COLT Technology Services Group Limited
Creator: ipdex

COLT Technology Services Group Limited Unknown registered in Italy

151IPv4 prefixes

10IPv6 prefixes

68%RPKI-valid

#18,020AS Rank

#8Rank in Italy

2000-06-21Allocated

COLT Technology Services Group Limited (AS15404) — Unknown, registered in Italy. announces 151 IPv4 prefixes + 10 IPv6 prefixes. Rank in Italy: #8. Allocated: 2000-06-21.

IPv4 151IPv6 10

Announced prefixes · 161

v4 103.80.220.0/24 valid
v4 103.80.221.0/24 valid
v4 109.107.145.0/24 valid
v4 129.35.17.0/24 unknown
v4 129.35.20.0/23 unknown
v4 129.35.85.0/24 unknown
v4 139.138.235.0/24 valid
v4 141.98.45.0/24 valid
v4 148.188.0.0/20 valid
v4 148.188.192.0/20 valid
v4 148.188.224.0/22 valid
v4 148.188.232.0/21 valid
v4 155.137.0.0/24 unknown
v4 155.137.1.0/24 unknown
v4 155.137.2.0/24 unknown
v4 155.137.3.0/24 unknown
v4 155.137.7.0/24 unknown
v4 156.118.0.0/24 valid
v4 156.118.6.0/24 valid
v4 156.118.8.0/24 valid
v4 157.239.128.0/24 valid
v4 157.239.129.0/24 valid
v4 158.156.155.0/24 unknown
v4 158.156.162.0/24 unknown
v4 158.156.172.0/24 unknown
v4 158.156.182.0/24 unknown
v4 158.156.193.0/24 unknown
v4 161.17.0.0/16 unknown
v4 161.17.0.0/24 unknown
v4 163.199.254.0/24 unknown
v4 170.200.251.0/24 unknown
v4 170.200.252.0/24 unknown
v4 170.200.253.0/24 valid
v4 170.248.142.0/24 unknown
v4 170.251.108.0/24 unknown
v4 170.252.84.0/24 unknown
v4 170.252.85.0/24 unknown
v4 170.252.86.0/24 unknown
v4 176.119.201.0/24 valid
v4 178.249.200.0/21 valid
v4 185.13.62.0/24 unknown
v4 185.134.140.0/24 unknown
v4 185.140.104.0/24 valid
v4 185.154.148.0/23 valid
v4 185.199.204.0/24 valid
v4 185.203.232.0/24 valid
v4 185.212.156.0/22 unknown
v4 185.213.216.0/24 valid
v4 185.213.217.0/24 valid
v4 185.218.120.0/24 valid

RPKI: rpki.cloudflare.com · 2026-06-19

— Routing status unavailable

Prefix history

Announced prefixes Source: ipdex daily snapshot · sparse rows, value holds until the next change (steps)

Data table

Day	Announced prefixes
2026-06-12	161
2026-06-13	161

AS topology · Customer cone 1

Providers · 2

AS8220 COLT Technology Services Group Limited
AS1419

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