AS8220
COLT Technology Services Group Limited ISP registered in Japan
152IPv4 prefixes
19IPv6 prefixes
90%RPKI-valid
#53AS Rank
#23Rank in Japan
1997-02-24Allocated
COLT Technology Services Group Limited (AS8220) — ISP, registered in Japan. announces 152 IPv4 prefixes + 19 IPv6 prefixes. Rank in Japan: #23. Allocated: 1997-02-24.
IPv4 152IPv6 19
Announced prefixes · 171
- v4 95.175.192.0/20 valid
- v4 95.175.208.0/20 valid
- v6 2001:678:1020::/48 valid
- v6 2001:678:868::/48 valid
- v6 2001:67c:2b34::/48 valid
- v6 2001:67c:424::/48 valid
- v6 2001:920::/32 valid
- v6 2001:921::/32 valid
- v6 2001:924::/32 valid
- v6 2001:925::/32 valid
- v6 2001:926:40::/48 valid
- v6 2001:926::/32 valid
- v6 2400:81e0::/32 valid
- v6 2a06:6540:1241::/48 valid
- v6 2a06:6540:1440::/48 valid
- v6 2a06:6540:4101::/48 valid
- v6 2a06:6540:4181::/48 valid
- v6 2a06:6541:1241::/48 valid
- v6 2a06:6541:1440::/48 valid
- v6 2a06:6541:4101::/48 valid
- v6 2a06:6541:4181::/48 valid
RPKI: rpki.cloudflare.com · 2026-06-20
— Routing status unavailable
Prefix history
Data table
| Day | Announced prefixes |
|---|---|
| 2026-06-12 | 172 |
| 2026-06-13 | 172 |
| 2026-06-14 | 172 |
| 2026-06-17 | 172 |
| 2026-06-19 | 171 |
| 2026-06-20 | 171 |
Internet Exchanges · 54
- DE-CIX Frankfurt Frankfurt 800 Gbps
- LINX LON1 London 400 Gbps
- AMS-IX Amsterdam 200 Gbps
- France-IX Paris Paris 200 Gbps
- BBIX Tokyo Tokyo 100 Gbps
- BCIX Berlin 100 Gbps
- DE-CIX Dusseldorf Düsseldorf 100 Gbps
- DE-CIX Madrid Madrid 100 Gbps
- DE-CIX Marseille Marseille 100 Gbps
- DE-CIX Munich Munich 100 Gbps
- ESpanix Madrid Lower LAN Madrid 100 Gbps
- ESpanix Madrid Upper LAN Madrid 100 Gbps
- Equinix Singapore Singapore 100 Gbps
- France-IX Marseille Marseille 100 Gbps
- GigaPIX - LAN 1 Lisbon 100 Gbps
- HKIX Hong Kong 100 Gbps
- INEX LAN1 Dublin 100 Gbps
- JPIX TOKYO Tokyo 100 Gbps
- JPNAP Tokyo Tokyo 100 Gbps
- LONAP London 100 Gbps
- MIX-IT Milan 100 Gbps
- NYIIX New York New York 100 Gbps
- Namex Rome Rome 100 Gbps
- Netnod Copenhagen BLUE -- MTU9K Malmo / Copenhagen 100 Gbps
- Netnod Copenhagen GREEN -- MTU9K Malmo / Copenhagen 100 Gbps
+29
Facilities · 201
- AT TOKYO (CC1/CC2) Tokyo
- ATMAN Data Center Warsaw-2 (WAW-2, Konstruktorska 5) Warsaw
- Aruba IT3 - Milan PSP Ponte San Pietro
- AtlasEdge DC Amsterdam AMS001 Amsterdam
- AtlasEdge DC Barcelona BCN001 Barcelona
- AtlasEdge DC Berlin BER001 Berlin
- AtlasEdge DC Brussels BRU001 Brussels
- AtlasEdge DC Copenhagen CPH001 Copenhagen
- AtlasEdge DC Hamburg HAM001 Hamburg
- AtlasEdge DC London LYC001 London
- AtlasEdge DC Madrid MAD001 Madrid
- AtlasEdge DC Milan LIN001 Milan
- AtlasEdge DC Paris CDG001 Paris
- AtlasEdge DC Zurich ZRH001 Zurich
- Avenida Montes Sierra 36, Sevilla Seville
- BDx SIN1 - Singapore Singapore
- Bancadati.ch SA Data Center Manno
- CERN Geneva Meyrin
- COLT DC Frankfurt Frankfurt
- COLT DC London London
- COLT DC London II London
- COLT DC Paris II Paris
- COLT DC Paris III Paris
- COLT DC Paris SouthWest Paris
- COLT DC Roosendaal Rosendaal
+176
AS topology · Customer cone 1,433
Providers · 5
Peers · 929
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