AS12761
COLT Technology Services Group Limited
RIPE NCC GB active Announced
More ASNs in the United Kingdom → Organization
COLT Technology Services Group Limited
COLT-CORP-IT
Registered
Oct 28, 1999
26 years ago
IPv4 Prefixes
6
1,536 addresses
IPv6 Prefixes
0
BGP Neighbours
1
1 upstream/peer · 0 downstream
Registration
AS Number AS12761 AS Name COLT-CORP-IT Organization COLT Technology Services Group Limited Organization ID ORG-CI9-RIPE Address Colt House, 20 Great Eastern Street,, EC2A 3EH, London, UNITED KINGDOM Country United Kingdom (GB) Registry RIPE NCC Allocated Oct 28, 1999 Record Created Jan 22, 2002 Last Updated Aug 09, 2023 Status
active
WHOIS Server whois.ripe.net AS Description COLT-CORP-IT - COLT Technology Services Group Limited, GB Remarks Colt Technology Services Corporate IT, ---------------------------------------, AS has been migrated into AS8220, For peering requests or queries please, contact [email protected] Abuse Email [email protected] Abuse Phone +44 20 7390 3900 IPv4 Prefixes
6 prefixes · 1,536 addresses Routing data as of 2026-10-09 08:00 UTC
| Prefix | Range | Addresses |
|---|---|---|
| 193.118.162.0/24 | 193.118.162.0 – 193.118.162.255 | 256 |
| 193.118.164.0/24 | 193.118.164.0 – 193.118.164.255 | 256 |
| 217.111.164.0/24 | 217.111.164.0 – 217.111.164.255 | 256 |
| 217.111.165.0/24 | 217.111.165.0 – 217.111.165.255 | 256 |
| 217.111.166.0/24 | 217.111.166.0 – 217.111.166.255 | 256 |
| 217.111.167.0/24 | 217.111.167.0 – 217.111.167.255 | 256 |
IPv6 Prefixes
This AS does not currently announce any IPv6 prefixes.
BGP Neighbours
1 unique neighbour · 1 upstream/peer · 0 downstream. A neighbour can be seen on more than one side. Rows are ordered by AS paths: the number of BGP paths seen by RIPE RIS that contain the adjacency. Sightings count each IPv4/IPv6 route with the adjacency once per RIS peer that sees it (routes × peers), so they show how widely it is seen, not how many distinct routes it carries. Networks seen to the left of this AS in BGP paths, toward the route collectors — typically its transit providers (upstreams) and peers. Upstream & peer side (1)
AS Name AS paths IPv4 sightings IPv6 sightings AS8220 COLT COLT Technology Services Group Limited 625 2,087 0
Raw RDAP Response
{
"handle": "AS12761",
"startAutnum": 12761,
"endAutnum": 12761,
"name": "COLT-CORP-IT",
"status": [
"active"
],
"entities": [
{
"handle": "COLT-UK",
"vcardArray": [
"vcard",
[
[
"version",
{},
"text",
"4.0"
],
[
"fn",
{},
"text",
"REDACTED"
],
[
"kind",
{},
"text",
"individual"
]
]
],
"roles": [
"registrant"
],
"links": [
{
"value": "https://rdap.db.ripe.net/autnum/12761",
"rel": "self",
"href": "https://rdap.db.ripe.net/entity/COLT-UK"
},
{
"value": "http://www.ripe.net/data-tools/support/documentation/terms",
"rel": "copyright",
"href": "http://www.ripe.net/data-tools/support/documentation/terms"
}
],
"objectClassName": "entity"
},
{
"handle": "COLT1-RIPE",
"vcardArray": [
"vcard",
[
[
"version",
{},
"text",
"4.0"
],
[
"fn",
{},
"text",
"Internet Hostmaster"
],
[
"kind",
{},
"text",
"group"
],
[
"adr",
{
"label": "Network Engineering\nColt Technology Services\nPowergate Business Centre\nVOLT Avenue\nLondon\nNW10 6PW"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"email",
{
"type": "abuse"
},
"text",
"[email protected]"
]
]
],
"roles": [
"administrative",
"technical"
],
"links": [
{
"value": "https://rdap.db.ripe.net/autnum/12761",
"rel": "self",
"href": "https://rdap.db.ripe.net/entity/COLT1-RIPE"
},
{
"value": "http://www.ripe.net/data-tools/support/documentation/terms",
"rel": "copyright",
"href": "http://www.ripe.net/data-tools/support/documentation/terms"
}
],
"objectClassName": "entity"
},
{
"handle": "ORG-CI9-RIPE",
"vcardArray": [
"vcard",
[
[
"version",
{},
"text",
"4.0"
],
[
"fn",
{},
"text",
"COLT Technology Services Group Limited"
],
[
"kind",
{},
"text",
"org"
],
[
"adr",
{
"label": "Colt House, 20 Great Eastern Street,\nEC2A 3EH\nLondon\nUNITED KINGDOM"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"tel",
{
"type": "voice"
},
"text",
"+442073903900"
],
[
"tel",
{
"type": "fax"
},
"text",
"+442078635610"
]
]
],
"roles": [
"registrant"
],
"links": [
{
"value": "https://rdap.db.ripe.net/autnum/12761",
"rel": "self",
"href": "https://rdap.db.ripe.net/entity/ORG-CI9-RIPE"
},
{
"value": "http://www.ripe.net/data-tools/support/documentation/terms",
"rel": "copyright",
"href": "http://www.ripe.net/data-tools/support/documentation/terms"
}
],
"objectClassName": "entity"
},
{
"handle": "RIPE-NCC-END-MNT",
"vcardArray": [
"vcard",
[
[
"version",
{},
"text",
"4.0"
],
[
"fn",
{},
"text",
"REDACTED"
],
[
"kind",
{},
"text",
"individual"
]
]
],
"roles": [
"registrant"
],
"links": [
{
"value": "https://rdap.db.ripe.net/autnum/12761",
"rel": "self",
"href": "https://rdap.db.ripe.net/entity/RIPE-NCC-END-MNT"
},
{
"value": "http://www.ripe.net/data-tools/support/documentation/terms",
"rel": "copyright",
"href": "http://www.ripe.net/data-tools/support/documentation/terms"
}
],
"objectClassName": "entity"
},
{
"handle": "CHM4-RIPE",
"vcardArray": [
"vcard",
[
[
"version",
{},
"text",
"4.0"
],
[
"fn",
{},
"text",
"COLT Hostmaster"
],
[
"kind",
{},
"text",
"group"
],
[
"adr",
{
"label": "COLT Technology Services\nBeaufort House\n20 Great Eastern Street\nLondon\nEC2A 3EH"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"tel",
{
"type": "voice"
},
"text",
"+44 20 7390 3900"
],
[
"tel",
{
"type": "fax"
},
"text",
"+44 20 7863 5610"
],
[
"email",
{
"type": "abuse"
},
"text",
"[email protected]"
]
]
],
"roles": [
"abuse"
],
"entities": [
{
"handle": "COLT-UK",
"vcardArray": [
"vcard",
[
[
"version",
{},
"text",
"4.0"
],
[
"fn",
{},
"text",
"REDACTED"
],
[
"kind",
{},
"text",
"individual"
]
]
],
"roles": [
"registrant"
],
"links": [
{
"value": "https://rdap.db.ripe.net/autnum/12761",
"rel": "self",
"href": "https://rdap.db.ripe.net/entity/COLT-UK"
},
{
"value": "http://www.ripe.net/data-tools/support/documentation/terms",
"rel": "copyright",
"href": "http://www.ripe.net/data-tools/support/documentation/terms"
}
],
"objectClassName": "entity"
},
{
"handle": "EF139-RIPE",
"vcardArray": [
"vcard",
[
[
"version",
{},
"text",
"4.0"
],
[
"fn",
{},
"text",
"REDACTED"
],
[
"kind",
{},
"text",
"individual"
]
]
],
"roles": [
"administrative"
],
"links": [
{
"value": "https://rdap.db.ripe.net/autnum/12761",
"rel": "self",
"href": "https://rdap.db.ripe.net/entity/EF139-RIPE"
},
{
"value": "http://www.ripe.net/data-tools/support/documentation/terms",
"rel": "copyright",
"href": "http://www.ripe.net/data-tools/support/documentation/terms"
}
],
"objectClassName": "entity"
},
{
"handle": "NG1400-RIPE",
"vcardArray": [
"vcard",
[
[
"version",
{},
"text",
"4.0"
],
[
"fn",
{},
"text",
"REDACTED"
],
[
"kind",
{},
"text",
"individual"
]
]
],
"roles": [
"administrative"
],
"links": [
{
"value": "https://rdap.db.ripe.net/autnum/12761",
"rel": "self",
"href": "https://rdap.db.ripe.net/entity/NG1400-RIPE"
},
{
"value": "http://www.ripe.net/data-tools/support/documentation/terms",
"rel": "copyright",
"href": "http://www.ripe.net/data-tools/support/documentation/terms"
}
],
"objectClassName": "entity"
}
],
"objectClassName": "entity"
}
],
"remarks": [
{
"description": [
"Colt Technology Services Corporate IT",
"---------------------------------------",
"AS has been migrated into AS8220",
"",
"For peering requests or queries please",
"contact [email protected]"
]
}
],
"links": [
{
"value": "https://rdap.db.ripe.net/autnum/12761",
"rel": "rdap-up",
"href": "https://rdap.db.ripe.net/autnums/rirSearch1/rdap-up/AS12761",
"type": "application/rdap+json"
},
{
"value": "https://rdap.db.ripe.net/autnum/12761",
"rel": "rdap-up rdap-active",
"href": "https://rdap.db.ripe.net/autnums/rirSearch1/rdap-up/AS12761?status=active",
"type": "application/rdap+json"
},
{
"value": "https://rdap.db.ripe.net/autnum/12761",
"rel": "rdap-down",
"href": "https://rdap.db.ripe.net/autnums/rirSearch1/rdap-down/AS12761",
"type": "application/rdap+json"
},
{
"value": "https://rdap.db.ripe.net/autnum/12761",
"rel": "rdap-top",
"href": "https://rdap.db.ripe.net/autnums/rirSearch1/rdap-top/AS12761",
"type": "application/rdap+json"
},
{
"value": "https://rdap.db.ripe.net/autnum/12761",
"rel": "rdap-top rdap-active",
"href": "https://rdap.db.ripe.net/autnums/rirSearch1/rdap-top/AS12761?status=active",
"type": "application/rdap+json"
},
{
"value": "https://rdap.db.ripe.net/autnum/12761",
"rel": "rdap-bottom",
"href": "https://rdap.db.ripe.net/autnums/rirSearch1/rdap-bottom/AS12761",
"type": "application/rdap+json"
},
{
"value": "https://rdap.db.ripe.net/autnum/12761",
"rel": "self",
"href": "https://rdap.db.ripe.net/autnum/12761",
"type": "application/rdap+json"
},
{
"value": "http://www.ripe.net/data-tools/support/documentation/terms",
"rel": "copyright",
"href": "http://www.ripe.net/data-tools/support/documentation/terms"
}
],
"events": [
{
"eventAction": "registration",
"eventDate": "2002-01-22T14:10:32Z"
},
{
"eventAction": "last changed",
"eventDate": "2023-08-09T08:36:46Z"
}
],
"rdapConformance": [
"nro_rdap_profile_asn_flat_0",
"rirSearch1",
"autnums",
"cidr0",
"rdap_level_0",
"nro_rdap_profile_0",
"redacted"
],
"notices": [
{
"title": "Filtered",
"description": [
"This output has been filtered."
]
},
{
"title": "Whois Inaccuracy Reporting",
"description": [
"If you see inaccuracies in the results, please visit:"
],
"links": [
{
"value": "https://rdap.db.ripe.net/autnum/12761",
"rel": "inaccuracy-report",
"href": "https://www.ripe.net/contact-form?topic=ripe_dbm&show_form=true",
"type": "text/html"
}
]
},
{
"title": "Source",
"description": [
"Objects returned came from source",
"RIPE"
]
},
{
"title": "Terms and Conditions",
"description": [
"This is the RIPE Database query service. The objects are in RDAP format."
],
"links": [
{
"value": "https://rdap.db.ripe.net/autnum/12761",
"rel": "terms-of-service",
"href": "http://www.ripe.net/db/support/db-terms-conditions.pdf",
"type": "application/pdf"
}
]
}
],
"port43": "whois.ripe.net",
"objectClassName": "autnum",
"redacted": [
{
"name": {
"description": "Personal e-mail information"
},
"reason": {
"description": "Personal data"
},
"prePath": "$.entities[?(@.handle=='COLT1-RIPE')].vcardArray[1][?(@[0]=='e-mail')]",
"method": "removal"
},
{
"name": {
"description": "Personal e-mail information"
},
"reason": {
"description": "Personal data"
},
"prePath": "$.entities[?(@.handle=='ORG-CI9-RIPE')].vcardArray[1][?(@[0]=='e-mail')]",
"method": "removal"
},
{
"name": {
"description": "Personal e-mail information"
},
"reason": {
"description": "Personal data"
},
"prePath": "$.entities[?(@.handle=='CHM4-RIPE')].vcardArray[1][?(@[0]=='e-mail')]",
"method": "removal"
}
]
} Contact details of private individuals are redacted.