AS21077

Name: AS21077 — Specialist Computer Centres Plc
Creator: ipdex

Specialist Computer Centres Plc Unknown registered in United Kingdom

12IPv4 prefixes

0IPv6 prefixes

92%RPKI-valid

#20,780AS Rank

327/327RIS visibility

#314Rank in United Kingdom

2001-08-16Allocated

Specialist Computer Centres Plc (AS21077) — Unknown, registered in United Kingdom. announces 12 IPv4 prefixes + 0 IPv6 prefixes. Rank in United Kingdom: #314. Allocated: 2001-08-16.

IPv4 12IPv6 0

Announced prefixes · 12

v4 185.106.220.0/22 valid
v4 185.106.220.0/24 valid
v4 185.106.221.0/24 valid
v4 185.106.222.0/24 valid
v4 185.106.223.0/24 valid
v4 185.148.4.0/24 unknown
v4 185.98.180.0/22 valid
v4 185.98.180.0/24 valid
v4 185.98.181.0/24 valid
v4 185.98.182.0/24 valid
v4 193.24.28.0/24 valid
v4 80.86.32.0/20 valid

RPKI: rpki.cloudflare.com · 2026-06-17

Routing: 12 IPv4 · 0 IPv6 announced · RIS visibility 327/327 RIS peers · RIPEstat · 2026-06-17

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	12
2026-06-13	12

AS topology · Customer cone 1

Providers · 2

AS31727 Node4 Limited
AS39545 Fluidone Ltd.

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