COLT
Aggregated across every cluster whose name starts with "COLT" — a single company can be split across many separate clusters (per-datacenter, per-country, or per-subsidiary naming), so this view sums the true total rather than understating it with a single cluster's count.
2,567
Total ranges
542
Matched clusters
Matched clusters
COLT-US-MARKITSERV-LIMITED
COLT TELECOM GmbH
Colt International Ltd
COLT-BB-MGMT-SVC
COLT-BB-FR
COLT-BB-UK-DE
COLT-DE-CGN
COLT-IT-TRN
COLT-IT-TRN-144
COLT-BB-CH
COLT-BB-ES
COLT-BB-BE
COLT-BB-SE
COLT-BB-AT
COLT-BB-IT
COLT-BB-US
COLT-BB-INTERMAIL
COLT-BB-PROJECTS
COLT-BB-DK
COLT-BB-LINKS
COLT-BB-LON-SEP
COLT-PAR-SEP
COLT-FRA-SEP
COLT-IE-DUB-WAN-105
COLT-DK-LEASED-WAN-103
COLT-ES-LINCOLN-ELECTRIC-IBERIA-SL
COLT-RO-iGem-GlobalGig
COLT-ES-ATOTECH-DEUTSCHLAND-GMBH-CO-KG
COLT-ES-Radio-Holland-Group
COLT-ES-QORVO-MALAGA-S-L
COLT-PT-Zollern
COLT-FR-CAVES-D-ESCLANS
COLT-ES-Medichem-Solutions-SL
COLT-IE-The-Institute-of-Directors-in-Ireland
COLT-IE-ACCENTURE
COLT-FR-ACCENTURE
COLT-ES-Novair
COLT-ES-iGem-Teleflex
COLT-CH-Tesla-Switzerland
COLT-FR-Fujitsu
COLT-RO-EWALS
COLT-ES-PEPSICO-IBERIA-Servicios-Centrales
Colt-Technologies
COLT-FR-Ewellix
COLT-DE-STR-105
COLT-IE-DUB-WAN-106
COLT-GB-Osbourne-Clark
COLT-FR-CHATEAU-DU-GALOUPET
COLT-GB-MAN-107
COLT-874656-Bangalore
COLT-UK-MAN-WAN-104
COLT-TELECOM-20240829
COLT-GB-MAN-108
COLT-PT-LIS-WAN-107
COLT-UK-UK-LON-146-WAN-001-VOICELINE
COLT-GB-MAN-109
COLT-GB-MAN-110
COLT-DE-WAN-117
COLT-CH-ZRH-WAN-VOICELINE-114
COLT-IT-HOUSING-NET-4
+482 more
Ranges (2,567)
showing 1–100 of 2,567 — ⬇ export CSV (free export limited to 500 rows — subscribe for the full export)| CIDR | Org name | Cluster | Registry | Status |
|---|---|---|---|---|
| 5.11.96.0/20 | COLT Technology Services Group Limited | COLT Technology Services Group Limited | BGP | ANNOUNCED |
| 5.57.81.237/32 | Colt | Colt International Ltd | PEERINGDB | ASSIGNED |
| 5.182.152.0/24 | COLT Technology Services Group Limited | COLT Technology Services Group Limited | BGP | ANNOUNCED |
| 27.110.0.0/24 | COLT-JP-CUST-027110000 | COLT-JP-CUST-027110000 | APNIC | ALLOCATED NON-PORTABLE |
| 27.110.1.0/24 | COLT-JP-CUST-027110001 | COLT-JP-CUST-027110001 | APNIC | ALLOCATED NON-PORTABLE |
| 27.110.2.0/24 | COLT-JP-CUST-027110002 | COLT-JP-CUST-027110002 | APNIC | ALLOCATED NON-PORTABLE |
| 27.110.3.0/24 | COLT-JP-CUST-027110003 | COLT-JP-CUST-027110003 | APNIC | ALLOCATED NON-PORTABLE |
| 27.110.4.0/24 | COLT-JP-CUST-027110004 | COLT-JP-CUST-027110004 | APNIC | ALLOCATED NON-PORTABLE |
| 27.110.5.0/24 | COLT-JP-CUST-027110005 | COLT-JP-CUST-027110005 | APNIC | ALLOCATED NON-PORTABLE |
| 27.110.6.0/24 | COLT-JP-CUST-027110006 | COLT-JP-CUST-027110006 | APNIC | ALLOCATED NON-PORTABLE |
| 27.110.7.0/24 | COLT-JP-CUST-027110007 | COLT-JP-CUST-027110007 | APNIC | ALLOCATED NON-PORTABLE |
| 27.110.8.0/24 | COLT-JP-CUST-027110008 | COLT-JP-CUST-027110008 | APNIC | ALLOCATED NON-PORTABLE |
| 27.110.8.8/29 | COLT-JP | COLT-JP | APNIC | ASSIGNED NON-PORTABLE |
| 27.110.9.0/24 | COLT-JP-CUST-027110009 | COLT-JP-CUST-027110009 | APNIC | ALLOCATED NON-PORTABLE |
| 27.110.10.0/24 | COLT-JP-CUST-027110010 | COLT-JP-CUST-027110010 | APNIC | ALLOCATED NON-PORTABLE |
| 27.110.12.0/24 | COLT-JP-CUST-027110012 | COLT-JP-CUST-027110012 | APNIC | ALLOCATED NON-PORTABLE |
| 27.110.13.0/24 | COLT-JP-CUST-027110013 | COLT-JP-CUST-027110013 | APNIC | ALLOCATED NON-PORTABLE |
| 27.110.14.0/24 | COLT-JP-CUST-027110014 | COLT-JP-CUST-027110014 | APNIC | ALLOCATED NON-PORTABLE |
| 27.110.15.0/24 | COLT-JP-CUST-027110015 | COLT-JP-CUST-027110015 | APNIC | ALLOCATED NON-PORTABLE |
| 27.111.229.123/32 | Colt | Colt International Ltd | PEERINGDB | ASSIGNED |
| 37.49.232.131/32 | Colt | Colt International Ltd | PEERINGDB | ASSIGNED |
| 37.49.236.58/32 | Colt | Colt International Ltd | PEERINGDB | ASSIGNED |
| 38.65.18.0/24 | COLT Technology Services Group Limited | COLT Technology Services Group Limited | BGP | ANNOUNCED |
| 45.127.173.43/32 | Colt | Colt International Ltd | PEERINGDB | ASSIGNED |
| 45.129.69.0/24 | COLT Technology Services Group Limited | COLT Technology Services Group Limited | BGP | ANNOUNCED |
| 46.28.212.0/24 | COLT Technology Services Group Limited | COLT Technology Services Group Limited | BGP | ANNOUNCED |
| 57.133.102.240/28 | COLT-ES-QORVO-MALAGA-S-L | COLT-ES-QORVO-MALAGA-S-L | RIPE | LEGACY |
| 57.133.103.16/29 | COLT-ES-LINCOLN-ELECTRIC-IBERIA-SL | COLT-ES-LINCOLN-ELECTRIC-IBERIA-SL | RIPE | LEGACY |
| 57.133.103.48/29 | COLT-ES-ATOTECH-DEUTSCHLAND-GMBH-CO-KG | COLT-ES-ATOTECH-DEUTSCHLAND-GMBH-CO-KG | RIPE | LEGACY |
| 57.133.103.64/29 | COLT-ES-Radio-Holland-Group | COLT-ES-Radio-Holland-Group | RIPE | LEGACY |
| 57.133.105.48/29 | COLT-ES-PEPSICO-IBERIA-Servicios-Centrales | COLT-ES-PEPSICO-IBERIA-Servicios-Centrales | RIPE | LEGACY |
| 57.133.139.96/29 | COLT-DE-Viega-GmbH-Co-KG | COLT-DE-Viega-GmbH-Co-KG | RIPE | LEGACY |
| 57.133.220.48/28 | Colt-GB-SPORTS-LOYALTY-CARD-LIMITED | Colt-GB-SPORTS-LOYALTY-CARD-LIMITED | RIPE | LEGACY |
| 62.23.5.0/24 | COLT-PAR-INT-002 | COLT-PAR-INT-002 | RIPE | LIR-PARTITIONED PA |
| 62.23.6.0/24 | COLT-PAR-INT-003 | COLT-PAR-INT-003 | RIPE | LIR-PARTITIONED PA |
| 62.23.30.0/24 | COLT-FR-PAR-CMS-WAN | COLT-FR-PAR-CMS-WAN | RIPE | LIR-PARTITIONED PA |
| 62.23.41.0/24 | COLT-FR-TLS-WAN-105-VOICELINE | COLT-FR-TLS-WAN-105-VOICELINE | RIPE | LIR-PARTITIONED PA |
| 62.23.107.128/25 | COLT-DK-LEASED-WAN-103 | COLT-DK-LEASED-WAN-103 | RIPE | LIR-PARTITIONED PA |
| 62.23.172.0/24 | COLT-FR-TLS-WAN-106-VOICELINE | COLT-FR-TLS-WAN-106-VOICELINE | RIPE | LIR-PARTITIONED PA |
| 62.23.244.0/24 | COLT-GB-MAN-111 | COLT-GB-MAN-111 | RIPE | LIR-PARTITIONED PA |
| 62.72.100.252/30 | COLT-BE-INTERNAL-10 | COLT-BE-INTERNAL-10 | RIPE | LIR-PARTITIONED PA |
| 62.85.160.0/19 | COLT Technology Services Group Limited | COLT Technology Services Group Limited | BGP | ANNOUNCED |
| 62.96.60.0/24 | COLT-DE-WAN-118 | COLT-DE-WAN-118 | RIPE | LIR-PARTITIONED PA |
| 62.96.90.0/23 | COLT-DE-STR-105 | COLT-DE-STR-105 | RIPE | LIR-PARTITIONED PA |
| 62.96.123.0/24 | COLT-DE-WAN-122 | COLT-DE-WAN-122 | RIPE | LIR-PARTITIONED PA |
| 62.96.124.0/24 | COLT-DE-WAN-124 | COLT-DE-WAN-124 | RIPE | LIR-PARTITIONED PA |
| 62.96.126.0/24 | COLT-DE-WAN-126 | COLT-DE-WAN-126 | RIPE | LIR-PARTITIONED PA |
| 62.96.127.0/24 | COLT-DE-WAN-123 | COLT-DE-WAN-123 | RIPE | LIR-PARTITIONED PA |
| 62.96.248.0/23 | COLT-DE-WAN-111 | COLT-DE-WAN-111 | RIPE | LIR-PARTITIONED PA |
| 62.97.86.0/24 | COLT-CMS-ESPANA | COLT-CMS-ESPANA | RIPE | LIR-PARTITIONED PA |
| 62.152.99.0/24 | COLT-IT-MIL-ISC | COLT-IT-MIL-ISC | RIPE | LIR-PARTITIONED PA |
| 62.182.250.0/24 | COLT Technology Services Group Limited | COLT Technology Services Group Limited | BGP | ANNOUNCED |
| 62.192.7.0/24 | COLT-CH-GVA-WAN-111 | COLT-CH-GVA-WAN-111 | RIPE | LIR-PARTITIONED PA |
| 77.74.158.0/23 | COLT Technology Services Group Limited | COLT Technology Services Group Limited | BGP | ANNOUNCED |
| 80.80.11.0/24 | COLT-DK-LEASED-102 | COLT-DK-LEASED-102 | RIPE | LIR-PARTITIONED PA |
| 80.81.192.61/32 | Colt | Colt International Ltd | PEERINGDB | ASSIGNED |
| 80.81.193.61/32 | Colt | Colt International Ltd | PEERINGDB | ASSIGNED |
| 80.169.66.0/24 | COLT-GB-MAN-117 | COLT-GB-MAN-117 | RIPE | LIR-PARTITIONED PA |
| 80.169.69.0/24 | COLT-IT-TRN-144 | COLT-IT-TRN-144 | RIPE | LIR-PARTITIONED PA |
| 80.169.102.0/24 | COLT-GB-MAN-116 | COLT-GB-MAN-116 | RIPE | LIR-PARTITIONED PA |
| 80.169.187.0/24 | COLT-IT-TRN | COLT-IT-TRN | RIPE | LIR-PARTITIONED PA |
| 80.169.191.0/24 | COLT-GB-LON-LEASED | COLT-GB-LON-LEASED | RIPE | LIR-PARTITIONED PA |
| 80.169.210.0/24 | COLT-BE-BRU-124 | COLT-BE-BRU-124 | RIPE | LIR-PARTITIONED PA |
| 80.169.218.0/24 | COLT-GB-COLT-TECHNOLOGIES | COLT-GB-COLT-TECHNOLOGIES | RIPE | LIR-PARTITIONED PA |
| 80.169.232.0/23 | COLT-CH-GVA-131 | COLT-CH-GVA-131 | RIPE | LIR-PARTITIONED PA |
| 80.169.240.0/23 | COLT-CH-ZRH-130 | COLT-CH-ZRH-130 | RIPE | LIR-PARTITIONED PA |
| 80.249.208.236/32 | Colt | Colt International Ltd | PEERINGDB | ASSIGNED |
| 84.14.17.0/24 | COLT-IE-DUB-LAN-127 | COLT-IE-DUB-LAN-127 | RIPE | LIR-PARTITIONED PA |
| 84.14.26.0/24 | COLT-CH-ZRH-WAN-116 | COLT-CH-ZRH-WAN-116 | RIPE | LIR-PARTITIONED PA |
| 84.14.38.0/24 | COLT-GB-MAN-114 | COLT-GB-MAN-114 | RIPE | LIR-PARTITIONED PA |
| 84.14.72.0/24 | COLT-UK-UK-LON-146-WAN-001-VOICELINE | COLT-UK-UK-LON-146-WAN-001-VOICELINE | RIPE | LIR-PARTITIONED PA |
| 84.16.161.0/24 | COLT-DK-LEASED-106 | COLT-DK-LEASED-106 | RIPE | LIR-PARTITIONED PA |
| 84.17.160.96/30 | COLT TELECOM GmbH | COLT TELECOM GmbH | RIPE | ASSIGNED PA |
| 84.17.160.152/29 | COLT TELECOM GmbH | COLT TELECOM GmbH | RIPE | ASSIGNED PA |
| 85.88.147.0/24 | COLT-GB-MAN-115 | COLT-GB-MAN-115 | RIPE | LIR-PARTITIONED PA |
| 85.208.193.0/24 | COLT Technology Services Group Limited | COLT Technology Services Group Limited | BGP | ANNOUNCED |
| 86.104.125.97/32 | Colt | Colt International Ltd | PEERINGDB | ASSIGNED |
| 91.206.52.172/32 | Colt | Colt International Ltd | PEERINGDB | ASSIGNED |
| 91.209.87.0/24 | COLT Technology Services Group Limited | COLT Technology Services Group Limited | BGP | ANNOUNCED |
| 91.210.17.17/32 | Colt | Colt International Ltd | PEERINGDB | ASSIGNED |
| 91.212.245.0/24 | COLT Technology Services Group Limited | COLT Technology Services Group Limited | BGP | ANNOUNCED |
| 91.213.65.0/24 | COLT Technology Services Group Limited | COLT Technology Services Group Limited | BGP | ANNOUNCED |
| 91.213.68.0/24 | COLT Technology Services Group Limited | COLT Technology Services Group Limited | BGP | ANNOUNCED |
| 91.213.91.0/24 | COLT Technology Services Group Limited | COLT Technology Services Group Limited | BGP | ANNOUNCED |
| 91.213.110.0/24 | COLT Technology Services Group Limited | COLT Technology Services Group Limited | BGP | ANNOUNCED |
| 91.238.4.0/24 | COLT Technology Services Group Limited | COLT Technology Services Group Limited | BGP | ANNOUNCED |
| 91.244.125.0/24 | COLT Technology Services Group Limited | COLT Technology Services Group Limited | BGP | ANNOUNCED |
| 101.203.89.22/32 | Colt | Colt International Ltd | PEERINGDB | ASSIGNED |
| 103.16.102.174/32 | Colt | Colt International Ltd | PEERINGDB | ASSIGNED |
| 103.26.68.229/32 | Colt | Colt International Ltd | PEERINGDB | ASSIGNED |
| 103.80.220.0/24 | COLT Technology Services Group Limited | COLT Technology Services Group Limited | BGP | ANNOUNCED |
| 103.80.221.0/24 | COLT Technology Services Group Limited | COLT Technology Services Group Limited | BGP | ANNOUNCED |
| 103.158.226.0/23 | Colt Technology Services India Pvt Ltd | COLT Technology Services Group Limited | APNIC | ASSIGNED PORTABLE |
| 103.158.226.0/24 | Colt Technology Services India Pvt Ltd | COLT Technology Services Group Limited | BGP | ANNOUNCED |
| 103.158.227.0/24 | Colt Technology Services India Pvt Ltd | COLT Technology Services Group Limited | BGP | ANNOUNCED |
| 103.246.232.241/32 | Colt | Colt International Ltd | PEERINGDB | ASSIGNED |
| 109.107.145.0/24 | COLT Technology Services Group Limited | COLT Technology Services Group Limited | BGP | ANNOUNCED |
| 116.12.185.136/29 | COLT-SG | COLT-SG | APNIC | ALLOCATED NON-PORTABLE |
| 123.255.91.14/32 | Colt | Colt International Ltd | PEERINGDB | ASSIGNED |
| 129.35.17.0/24 | COLT Technology Services Group Limited | COLT Technology Services Group Limited | BGP | ANNOUNCED |
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Uses the REST API.