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Network

AS203

United States

Level 3 Parent, LLC

Level 3 Parent announces 133 IPv4 prefixes (258.8K addresses) and 0 IPv6 prefixes from the United States. 7% of them are covered by valid RPKI records.

Prefixes

133 · 0

IPv4 · IPv6

Address space

258.8K

IPv4 addresses · 0 IPv6 /48s

RPKI

7% valid

1 invalid · 123 without a record

Peering

—

Not in PeeringDB

Details

Network

Name
Level 3 Parent, LLC
Country
United StatesUnited States
UsersCloudflare Radar's estimate of people who reach the internet through this network.
About 213

Connectivity

Cloudflare Radar
UpstreamsNetworks this one buys transit from.
Lumen AS3356
PeersNetworks it exchanges traffic with directly, without paying either way.
0
CustomersNetworks that buy transit from it.
0

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.
9 of 133 valid
IncidentsPossible BGP hijacks (high-confidence detections) and route leaks involving this network in the last 30 days, from Cloudflare Radar.
3 hijacks by this network

AS203 on Cloudflare Radar →

Largest prefixes

133 announcements in all

IPv4

133
  1. 149.21.0.0/16No ROA
  2. 143.112.0.0/17RPKI valid
  3. 143.112.128.0/18RPKI valid
  4. 206.203.64.0/18No ROA
  5. 143.112.192.0/19RPKI valid
  6. 143.112.224.0/19RPKI valid
  7. 156.42.0.0/19No ROA
  8. 156.42.32.0/19No ROA
  9. 156.42.64.0/19No ROA
  10. 156.42.96.0/19No ROA
  11. 156.42.128.0/19No ROA
  12. 156.42.160.0/19No ROA
  13. 156.42.192.0/19No ROA
  14. 156.42.224.0/19No ROA
  15. 161.209.192.0/19No ROA
  16. 161.209.96.0/20No ROA
  17. 216.235.200.0/21No ROA
  18. 63.128.0.0/22No ROA
  19. 63.128.8.0/22No ROA
  20. 143.112.68.0/22RPKI valid
  21. 143.112.128.0/22RPKI valid
  22. 143.112.144.0/22RPKI valid
  23. 205.139.104.0/22No ROA
  24. 209.67.132.0/22No ROA