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Network

AS7015 · Comcast Cable Communications

United States

Comcast Cable Communications, LLC

Comcast Cable Communications announces 308 IPv4 prefixes (4.7M addresses) and 421 IPv6 prefixes from the United States. 96% of them are covered by valid RPKI records.

Prefixes

308 · 421

IPv4 · IPv6

Address space

4.7M

IPv4 addresses · 421 IPv6 /48s

RPKI

96% valid

0 invalid · 26 without a record

Peering

Restrictive

0 exchanges · 2 facilities

Where it is

2 facilities with known locations

Details

Network

Name
Comcast Cable Communications, LLC
AddressThe holder's address on file with the registry: where the organization running this network is registered, which can differ from where it operates.
1800 Bishops Gate Blvd, Mt Laurel, NJ, 08054, United States
Type
Cable/DSL/ISP
Country
United StatesUnited States
Registry
ARIN
Registered
Dec 20, 200124 years ago
Website
comcast.com
UsersCloudflare Radar's estimate of people who reach the internet through this network.
About 1.6K
Abuse contact
abuse@comcast.net

Connectivity

Cloudflare Radar
UpstreamsNetworks this one buys transit from.
Lumen AS3356Comcast
PeersNetworks it exchanges traffic with directly, without paying either way.
1
CustomersNetworks that buy transit from it.
158

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.
703 of 729 valid
IncidentsPossible BGP hijacks (high-confidence detections) and route leaks involving this network in the last 30 days, from Cloudflare Radar.
None in 30 days

AS7015 on Cloudflare Radar →PeeringDB →

Largest prefixes

729 announcements in all

IPv4

308
  1. 24.60.0.0/15RPKI valid
  2. 24.62.0.0/15RPKI valid
  3. 71.232.0.0/15RPKI valid
  4. 71.234.0.0/15RPKI valid
  5. 73.16.0.0/15RPKI valid
  6. 73.60.0.0/15RPKI valid
  7. 73.68.0.0/15RPKI valid
  8. 73.142.0.0/15RPKI valid
  9. 73.218.0.0/15RPKI valid
  10. 75.68.0.0/15RPKI valid
  11. 76.118.0.0/15RPKI valid
  12. 174.168.0.0/15RPKI valid
  13. 50.187.0.0/16RPKI valid
  14. 66.30.0.0/16RPKI valid
  15. 66.31.0.0/16RPKI valid
  16. 71.192.0.0/16RPKI valid
  17. 73.4.0.0/16RPKI valid
  18. 73.38.0.0/16RPKI valid
  19. 73.47.0.0/16RPKI valid
  20. 73.89.0.0/16RPKI valid
  21. 73.100.0.0/16RPKI valid
  22. 73.114.0.0/16RPKI valid
  23. 73.119.0.0/16RPKI valid
  24. 73.123.0.0/16RPKI valid