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Network

AS8220

United KingdomCarrier

COLT

COLT announces 154 IPv4 prefixes (1.5M addresses) and 19 IPv6 prefixes from the United Kingdom. 92% of them are covered by valid RPKI records.

Prefixes

154 · 19

IPv4 · IPv6

Address space

1.5M

IPv4 addresses · 393.2K IPv6 /48s

RPKI

92% valid

0 invalid · 14 without a record

Peering

Selective

54 exchanges · 200 facilities

Where it is

160 facilities with known locations (of 200)

Details

Network

Name
COLT
Holder
COLT-MNT
Type
NSP
Country
United KingdomUnited Kingdom
Registry
RIPE NCC
Registered
Aug 29, 200224 years ago
Website
colt.net
Traffic
1-5Tbps
UsersCloudflare Radar's estimate of people who reach the internet through this network.
About 71.5K
Abuse contact
abuse@colt.net

Routing security

ASPAAn RPKI record listing the only networks allowed to be its upstream providers, so routers can reject leaked or forged paths.
Not published
RPKI coverageShare of its announcements that a signed record (ROA) authorizes.
159 of 173 valid
IncidentsPossible BGP hijacks (high-confidence detections) and route leaks involving this network in the last 30 days, from Cloudflare Radar.
41 route leaks

AS8220 on Cloudflare Radar →PeeringDB →

Largest prefixes

173 announcements in all

IPv4

154
  1. 217.110.0.0/15RPKI valid
  2. 57.133.0.0/16RPKI valid
  3. 58.0.0.0/16RPKI valid
  4. 62.23.0.0/16RPKI valid
  5. 62.96.0.0/16RPKI valid
  6. 80.169.0.0/16RPKI valid
  7. 84.14.0.0/16RPKI valid
  8. 136.225.0.0/16RPKI valid
  9. 148.109.0.0/16RPKI valid
  10. 213.61.0.0/16RPKI valid
  11. 213.86.0.0/16RPKI valid
  12. 58.1.128.0/17RPKI valid
  13. 116.83.0.0/17RPKI valid
  14. 195.68.0.0/17RPKI valid
  15. 212.161.0.0/17RPKI valid
  16. 213.27.128.0/17RPKI valid
  17. 213.41.0.0/17RPKI valid
  18. 213.215.128.0/17RPKI valid
  19. 62.97.64.0/18RPKI valid
  20. 78.143.0.0/18RPKI valid
  21. 87.241.0.0/18RPKI valid
  22. 90.152.0.0/18RPKI valid
  23. 90.152.64.0/18RPKI valid
  24. 158.162.192.0/18RPKI valid

Internet exchanges

By port speed

  1. DE-CIX FrankfurtGermanyFrankfurt800 Gbps
  2. LINX LON1United KingdomLondon400 Gbps
  3. AMS-IXNetherlandsAmsterdam200 Gbps
  4. France-IX ParisFranceParis200 Gbps
  5. BBIX TokyoJapanTokyo100 Gbps
  6. BCIXGermanyBerlin100 Gbps
  7. Equinix SingaporeSingaporeSingapore100 Gbps
  8. ESpanix Madrid Lower LANSpainMadrid100 Gbps
  9. ESpanix Madrid Upper LANSpainMadrid100 Gbps
  10. GigaPIX - LAN 1PortugalLisbon100 Gbps
  11. INEX LAN1IrelandDublin100 Gbps
  12. JPIX TOKYOJapanTokyo100 Gbps
  13. JPNAP TokyoJapanTokyo100 Gbps
  14. MIX-ITItalyMilan100 Gbps
  15. Namex RomeItalyRome100 Gbps
  16. Netnod Stockholm GREEN -- MTU1500SwedenStockholm100 Gbps
  17. SwissIXSwitzerlandZurich100 Gbps
  18. VIXAustriaVienna100 Gbps
  19. JPNAP OsakaJapanOsaka100 Gbps
  20. DE-CIX MarseilleFranceMarseille100 Gbps
  21. DE-CIX DusseldorfGermanyDüsseldorf100 Gbps
  22. Netnod Stockholm BLUE -- MTU1500SwedenStockholm100 Gbps
  23. Netnod Copenhagen GREEN -- MTU9KDenmarkMalmo / Copenhagen100 Gbps
  24. Netnod Copenhagen BLUE -- MTU9KDenmarkMalmo / Copenhagen100 Gbps
  25. HKIXHong KongHong Kong100 Gbps
  26. LONAPUnited KingdomLondon100 Gbps
  27. SGIXSingaporeSingapore100 Gbps
  28. NYIIX New YorkUnited StatesNew York100 Gbps
  29. France-IX MarseilleFranceMarseille100 Gbps
  30. DE-CIX MadridSpainMadrid100 Gbps
  31. DE-CIX MunichGermanyMunich100 Gbps
  32. Equinix ParisFranceParis30 Gbps
  33. BNIXBelgiumBrussels20 Gbps
  34. CATNIXSpainBarcelona20 Gbps
  35. Equinix AshburnUnited StatesAshburn20 Gbps
  36. JPIX OSAKAJapanOsaka20 Gbps
  37. BBIX OsakaJapanOsaka20 Gbps
  38. Equinix DallasUnited StatesDallas10 Gbps
  39. CIXPSwitzerlandGeneva10 Gbps
  40. Equinix San JoseUnited StatesSan Jose10 Gbps
  41. TOP-IXItalyTurin10 Gbps
  42. Equinix SydneyAustraliaSydney10 Gbps
  43. UAE-IXUnited Arab EmiratesDubai10 Gbps
  44. InterLAN-IXRomaniaBucharest10 Gbps
  45. Equinix WarsawPolandWarsaw10 Gbps
  46. SIX SeattleUnited StatesSeattle10 Gbps
  47. Equinix ChicagoUnited StatesChicago10 Gbps
  48. Any2WestUnited StatesLos Angeles and Silicon Valley10 Gbps
  49. MegaIX SydneyAustraliaSydney10 Gbps
  50. NetIXBulgariaSofia10 Gbps
  51. BIXHungaryBudapest10 Gbps
  52. GigaPIX - LAN 2PortugalLisbon10 Gbps
  53. NIX.CZCzechiaPrague10 Gbps
  54. Digital Realty AtlantaUnited StatesAtlanta10 Gbps