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Data as of Nov 4, 2026

136.225.72.0/21

No anonymizer space · no proxy exits in 30 days

COLT Technology Services Group Limited

Announcement
136.225.0.0/16
RPKI valid
Announced by
AS8220
Type
Internet provider
93% of it

Registrations in this block

The registry's network records over this block, widest first, each under its parent.

RangeAddressesNetnameHolderTypeCreatedAbuse contact
136.225.0.0/1665,536COLTCOLT Technology Services Group Limited (ORG-CI9-RIPE) · GBLEGACYMar 15, 2004abuse@colt.net
└ 136.225.72.0/212,048RO-COLT-20250326unknownLEGACYMar 26, 2025abuse@colt.net
via COLT
└ 136.225.72.0/298NET-RO-Star-Foods-EM-SRLStar Foods EM SRLLEGACYMay 29, 2025abuse@colt.net
via RO-COLT-20250326
└ 136.225.72.8/298NET-RO-SC-EAST-COAST-SRLSC East Coast SRLLEGACYJun 11, 2025abuse@colt.net
via RO-COLT-20250326
└ 136.225.72.16/298NET-RO-ROECHLING-AUTOMOTIVE-PITESTI-SRLRoechling Automotive Pitesti SRLLEGACYJul 22, 2025abuse@colt.net
via RO-COLT-20250326
└ 136.225.72.24/298NET-RO-HARMAN-INTERNATIONAL-INDUSTRIES-INCORPORATEDHarman International Industries IncorporatedLEGACYJul 24, 2025abuse@colt.net
via RO-COLT-20250326
└ 136.225.72.40/298NET-RO-Thales-Services-numeriquesThales Services numeriquesLEGACYSep 29, 2025abuse@colt.net
via RO-COLT-20250326
└ 136.225.72.48/2816NET-RO-NVIDIA-SOFTWARE-SRLNvidia Software S.R.L.LEGACYOct 17, 2025abuse@colt.net
via RO-COLT-20250326
└ 136.225.72.64/298NET-RO-THALES-SERVICES-NUMERIQUES-SASThales Services Numeriques SASLEGACYOct 21, 2025abuse@colt.net
via RO-COLT-20250326
└ 136.225.72.72/298NET-RO-VIR2UE-COMMUNICATIONS-LTDVIR2UE Communications LtdLEGACYNov 13, 2025abuse@colt.net
via RO-COLT-20250326
└ 136.225.72.80/2816NET-RO-IRON-MOUNTAIN-SRLIron Mountain SRLLEGACYOct 22, 2025abuse@colt.net
via RO-COLT-20250326
└ 136.225.72.96/298NET-RO-Atradius-Credito-y-CaucionAtradius Credito y CaucionLEGACYJan 2, 2026abuse@colt.net
via RO-COLT-20250326
└ 136.225.72.112/298NET-RS-F-HOFFMANNLA-ROCHE-AGF. Hoffmann-La Roche AGLEGACYMar 24, 2026abuse@colt.net
via RO-COLT-20250326
└ 136.225.72.120/298NET-RO-SC-Quadrant-Amroq-Beverages-SRLS.C. Quadrant Amroq Beverages SRLLEGACYAug 4, 2026abuse@colt.net
via RO-COLT-20250326
└ 136.225.72.128/298NET-RO-SC-Quadrant-Amroq-Beverages-SRLS.C. Quadrant Amroq Beverages SRLLEGACYAug 4, 2026abuse@colt.net
via RO-COLT-20250326
└ 136.225.72.136/298NET-RO-S-C-Quadrant-Amroq-Beverages-SRLS.C. Quadrant Amroq Beverages SRLLEGACYAug 29, 2026abuse@colt.net
via RO-COLT-20250326
└ 136.225.72.144/298NET-RO-RENESAS-DESIGN-UK-LIMITEDRenesas Design (UK) LimitedLEGACYSep 25, 2026abuse@colt.net
via RO-COLT-20250326

A contact marked “via” is the registry's: the record names none of its own, so the registry hands down its parent's.

Composition

The types across the prefix's announced space, by addresses.

Announced space

Address share

Announced space

Types across the prefix

2,048 addresses
TypeAddressesShareRanges
Internet provider1,91293%3
Business1366.6%15

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
Announced by

Covering announcement 136.225.0.0/16

Prefix
136.225.0.0/16
Announced by
AS8220 COLT Technology Services Group Limited
Type
Internet provider
Proxy exits
2
RPKI
RPKI valid
Netname
COLT
Registrant
COLT Technology Services Group Limited
RIR
RIPE NCC
Origin network

AS8220

GB
Name
COLT Technology Services Group Limited
Type
Internet provider
Registered
Feb 24, 1997
Domain
colt.net
Website
www.colt.net
Industry
Internet Service Provider (ISP)
Spamhaus ASN-DROP
not listed