AS8220 COLT COLT Technology Services Group Limited
🇬🇧Org handle: ORG-CI9-RIPE
COLT Technology Services Group Limited
RIPE NCCallocated
Announced Prefixes (BGP)
178total
159 IPv419 IPv6
IPv4 Addresses
Allocated (RIR)1.4M
Announced (BGP)1.5M
IPv6 Addresses
Allocated (RIR)2.3×10²⁹
Announced (BGP)4.7×10²⁹
Prefix Limit (IPv4)
2,000
Prefix Limit (IPv6)
100
Country
🇬🇧 GBRIR
RIPE NCCStatus
allocated
Allocated
1997-02-24
Routing hygiene
Score 8/100 · Low riskRPKI ROA coverage
89.3%
3 prefixes RPKI invalid
IRR route objects
96.1%
3 prefixes registered for another origin
Hijack signals
2
0 announced against others' ROAs, 2 own announced by others
Upstreams
8
diversity 79/100
- 11% of announced prefixes (19 of 178) have no valid ROA, 3 of them RPKI invalid
Based on 178 announced prefixes, updated daily (2026-10-23). How the score works · RPKI explained
Announced Prefixes
(BGP)178|
Prefix | RPKI | IRR | Last Seen |
|---|---|---|---|
| Valid | APNIC | - | |
| Valid | APNIC | - | |
| Valid | - | - | |
| No ROA | Other IRR | - | |
45.135.160.0/24MOAS | Valid | Other IRR | - |
| Valid | RIPE | - | |
46.37.111.0/24MOAS | Invalid | - | - |
| No ROA | RIPE | - | |
| Valid | RIPE | - | |
| Valid | RIPE | - |
1-10 of 178
1 / 18
Allocated Prefixes
(RIR)116Prefix | Country | RIR | Status |
|---|---|---|---|
| 27.110.0.0/20 | 🇯🇵 JP | APNIC | allocated |
| 27.110.16.0/22 | 🇯🇵 JP | APNIC | allocated |
| 46.28.184.0/24 | 🇩🇪 DE | RIPE | assigned |
| 46.37.111.0/24 | 🇪🇺 EU | RIPE | assigned |
| 46.248.128.0/19 | 🇬🇧 GB | RIPENCC | allocated |
| 57.133.0.0/16 | 🇬🇧 GB | RIPENCC | assigned |
| 58.0.0.0/16 | 🇬🇧 GB | RIPENCC | allocated |
| 58.1.128.0/17 | 🇬🇧 GB | RIPENCC | allocated |
| 62.23.0.0/16 | 🇬🇧 GB | RIPENCC | allocated |
| 62.23.14.0/24 | 🇫🇷 FR | RIPE | assigned |
1-10 of 116
1 / 12
All 178 announced prefixes of AS8220 →
Downstream Customers(25)
| ASN | Name |
|---|---|
| AS12732 | 🇩🇪GUTCON-NET GutCon GmbH |
| AS13464 | 🇺🇸CPLP-ASN - Centerbridge Partners, L.P. |
| AS15576 | 🇨🇭NTS NTS workspace AG |
| AS21273 | 🇨🇭TEST-AS-Cust Swisscom (Schweiz) AG |
| AS23028 | 🇺🇸TEAM-CYMRU - Team Cymru Inc. |
| AS35171 | 🇪🇸uniway-AS Uniway Technologies SL |
| AS43717 | 🇫🇷UBIFRANCE-AS BUSINESS FRANCE EPIC |
| AS47563 | 🇬🇧SIS-AS Sports Information Services Limited |
| AS48884 | 🇪🇸LDA-AS Linea Directa Aseguradora, S.A. |
| AS49935 | 🇧🇪SmartEye SmartEye B.V |
| AS62392 | 🇧🇪FOSDEM FOSDEM VZW |
| AS64289 | 🇺🇸MACARNE - Macarne.com |
| AS131314 | 🇭🇰CBC-AS-AP - CBC Tech International Limited |
| AS197700 | 🇩🇪TK Techniker Krankenkasse |
| AS202032 | 🇨🇭GOLINE GOLINE SA |
| AS203592 | 🇩🇪cnh-primary CLOUD & HEAT Technologies GmbH |
| AS203898 | 🇺🇸CLOUDFLARENET-UK Cloudflare Inc |
| AS206484 | 🇨🇭ORIENTEDNET oriented.net GmbH |
| AS207243 | 🇩🇪DE-MIELE-AS207243 Miele & Cie. KG |
| AS208015 | 🇩🇪tcc-AS DIE Immobiliengesellschaft mbH |
| AS208016 | 🇩🇪tinc-AS The Infrastructure Company GmbH |
| AS209740 | 🇩🇪M3CONNECT m3connect GmbH |
| AS210018 | 🇨🇭ASNEW Bank CIC (Schweiz) AG |
| AS210544 | 🇩🇪bdr Bundesdruckerei GmbH |
| AS214248 | 🇪🇸atmbroadcast ATM Broadcast SL |
BGP Neighbours
(seen in AS paths)Upstreams (9)
Networks AS8220 hands its own prefixes to: transit providers, or peers at an exchange.
- AS3356Level 3 Parent61
- AS1299TWELVE99 Arelion Sweden AB39
- AS6453TATA COMMUNICATIONS (AMERICA)36
- AS2914NTT America17
- AS33891CORE BACKBONE Core Backbone16
- AS1764NEXTLAYER Next Layer Telekommunikationsdienstleistungs Und Beratungs5
- AS2907Research Organization Of Information And Systems, National Institute Of Informatics2
- AS2764AAPT Limited1
- AS37468Angola Cables Angola Cables1
Downstreams (100 of 916)
Networks whose own prefixes AS8220 passes on: usually its customers.
- AS8452IDDQD586
- AS9183Robert Bosch Gesellschaft Mit Beschraenkter Haftung215
- AS15404COLT Technology Services Group Limited167
- AS7155ViaSat137
- AS3360DXC US Latin America Corporation110
- AS54253Oracle Corporation83
- AS34471EXCOM Free Technologies Excom S.L75
- AS37492Orange Tunisie Orange Tunisie70
- AS3573Accenture LLP67
- AS10021KVH50
- AS31898Oracle Corporation45
- AS15576NTS Workspace44
- AS134090Leaptel43
- AS10455Nokia Of America Corporation38
- AS15450ALHAMBRA Systems33
- AS14127Iland Internet Solutions Corporation32
- AS48083GETRONICS GTN Services B.V32
- AS14114SAP America29
- AS39923UNIXSOLUTIONS Unix Solutions BV26
- AS24953ASN NETPLANET24
- AS17978SERVCORP AUSTRALIAN HOLDINGS22
- AS44527ASSERES SERES22
- AS56410HOST IRELAND Leeson Telecom Holdings22
- AS8784AS8784 Odigo SASU21
- AS11003The Procter And Gamble Company20
- AS12338EUSKALTEL S.A20
- AS21433AccentureFSSC Accenture UK Limited20
- AS15519IW NET Oracle Svenska AB19
- AS16383LACAIXA IT Now S.A19
- AS47630TELEVOIP Bv19
- AS19229Ensono LP18
- AS20940AKAMAI ASN1 Akamai International B.V18
- AS28686AVENIQ18
- AS30012Universal Music Group18
- AS39702SIT S IT Verwaltungs Trading As S IT Informationstechnologie Betreiber & . KG Im Nordschwarzwald18
- AS200656NOKIA EMEA Nokia Solutions And Networks Oy18
- AS3738State Street Bank And Trust Company17
- AS16050Refinitiv Slough LO5 Res Refinitiv Limited17
- AS16839SERVICENOW17
- AS133929TWOWIN ., LIMITED17
- AS1218Oracle Corporation16
- AS1696Citigroup16
- AS12222Akamai Technologies16
- AS21070TOTALENERGIES SE16
- AS31653SERVATICA Technologies, S.L16
- AS198479BPLAN Nunsys16
- AS8883UBS15
- AS26395Johnson Controls14
- AS198333DATAGROUP SE14
- AS8758IWAY13
- AS21595Baxter Healthcare13
- AS3299Societe Generale S.A12
- AS8659AS8659 United Nations International Computing Centre12
- AS12257Dell12
- AS15699ADAM EcoTech, S.A12
- AS28932GFK12
- AS209394MWS RNPP LON Kyndryl12
- AS25934Syniverse Technologies11
- AS29802HIVELOCITY11
- AS31474MTV UK Viacom International Media Networks U.K. Limited11
- AS39944Telecom North America11
- AS42730EVANZOAS EVANZO E Commerce11
- AS50458ALLGEIERMS Nagarro ES11
- AS61423JMP Technology Services11
- AS7524ITEC HANKYU HANSHIN10
- AS15695Expereo International BV10
- AS19637Avago Technologies U.S10
- AS25031NOVARTIS CH Novartis10
- AS29457OPTIONS Technology10
- AS48284TELENET SWU TeleNet10
- AS49584DATAXION EasyTeam SAS10
- AS49940FIRABCN FERIA INTERNACIONAL DE BARCELONA10
- AS51265MASSRESPONSE Mass Response Service10
- AS204764MWS EUR Kyndryl10
- AS9159Credit Agricole9
- AS13150CATON CATO NETWORKS9
- AS21137FR CAI Credit Agricole Corporate And Investment Bank9
- AS34191DGBS NUE DE DATAGROUP Operations9
- AS35928BECKMAN COULTER9
- AS197161BusinessGeographic Ciril Group SAS9
- AS198573SIEMENSDE AP Siemens9
- AS203315WebWiz Web Wiz9
- AS8216INDRA SISTEMAS, S.A8
- AS11179Aryaka Networks8
- AS14343I2 Technologies8
- AS15846COFACE Compagnie Francaise D'Assurance Pour Le Commerce Exterieur S.A8
- AS20694NMMN8
- AS33965LITECOM8
- AS49572FCN Fujitsu Services8
- AS54201We Link Networks8
- AS56474CCDCUK Computacenter (UK)8
- AS59810HELVETIA Swiss Insurance Company8
- AS133458FPT Smart Cloud Japan8
- AS198968CYBERNETICOS Hosting SL8
- AS199976DUNE TECHNOLOGY SL8
- AS209304SOTECH Sodexo8
- AS212930DE GOV AA Bundesministerium Des Innern Und Fuer Heimat8
- AS396356Latitude.Sh8
- AS2485AFNIC (Association Francaise Pour Le Nommage Internet En Cooperation)7
- AS3295Societe Generale S.A7
Other adjacent networks (35)
Adjacent to AS8220 in the transit part of AS paths: peers, providers or customers.
- AS48237MOBILY Etihad Etisalat, A Joint Stock Company330
- AS34177CELESTE SAS95
- AS20055Wholesail Networks60
- AS3491PCCW Global (HK)37
- AS6939Hurricane Electric29
- AS16552Tiggee27
- AS6421TATA COMMUNICATIONS (AMERICA)22
- AS1103SURFNET NL SURF B.V14
- AS2152CENIC14
- AS15802DU AS1 Emirates Integrated Telecommunications Company PJSC14
- AS35280F5 Networks SARL9
- AS47692NESSUS9
- AS49544I3Dnet I3D.Net B.V8
- AS24482SG.GS7
- AS5413Wavenet AS5413 Wavenet Limited6
- AS12637SEEWEB S.R.L5
- AS138840PT. PARSAORAN GLOBAL DATATRANS NAP4
- AS7473Singapore Telecommunications3
- AS58453China Mobile International Limited3
- AS28676Witcom Wiesbadener Informations Und Telekommunikations2
- AS35258ITOSS Akquinet Outsourcing GGmbH2
- AS60486SNS Swiss Networking Solutions2
- AS3462Data Communication Business Group1
- AS4764Aussie Broadband1
- AS12779ITGATE IT.Gate S.P.A1
- AS19108Optimum1
- AS21859Zenlayer1
- AS24748THINX Poland Atman Sp. Z O.O1
- AS24940HETZNER Online1
- AS25255H3G Austria Hutchison Drei Austria1
- AS30081CacheFly1
- AS31027GlobalConnect AS31027 GlobalConnect A/S1
- AS38193Transworld Associates (Pvt.)1
- AS47147ANX Anexia Cloud Solutions1
- AS212820MH CH Axilaris1
Abuse Contact
+31205354444
External Links
Learn more
- What is an ASN?Autonomous systems, ASN ranges and how they are assigned
- RPKI and route origin validationWhat the RPKI badges on the prefix list mean
- How to run an ASPA checkVerify the upstream providers listed above
- IPv4 transfers in the RIPE NCC regionMonthly volume and the latest registry transfers
- ASN data in AI agents and SIEMMCP server and API integrations
API
Open https://api.ipctl.io/v1/asn/8220Returns ASN details, announced prefixes, and BGP routing data.
curl -s "https://api.ipctl.io/v1/asn/8220" | jq