206208 looking glass

AS22258 Comcast Cable Communications, LLC 🇺🇸 US

Announcing 20 prefixes, seen at the RIS collectors.

IPv4 prefixes
5
1,280 (5 × /24)
IPv6 prefixes
15
15 × /48
Upstreams
1
transit providers observed
Peers
0
settlement-free adjacencies
Downstreams
14
transit customers observed
Customer cone
19,917
ASes reachable through it

Registry and operator data

AS number
AS22258
Name
Comcast Cable Communications, LLC
Organisation
Comcast - Memphis
Country
🇺🇸 US
RIR
ARIN
Allocated
2001-08-27
Network type
Cable/DSL/ISP
Scope
Regional
Peering policy
Restrictive
PeeringDB
net/10097
Facilities
1

RPKI coverage of this AS

Its own announcements, validated against the current ROA set

16 valid (80.0%) 0 invalid (0.0%) 4 no ROA (20.0%)

Announced prefixes

20 in total

Prefix RPKI Peers Sample path First seen
50.225.146.0/24 v4 RPKI valid 42 7018792222258 2026-09-18
157.240.141.0/24 v4 no ROA 42 7018792222258 2026-09-18
157.240.142.0/24 v4 no ROA 42 7018792222258 2026-09-18
167.29.4.0/24 v4 no ROA 42 7018792222258 2026-09-18
167.29.8.0/24 v4 no ROA 42 7018792222258 2026-09-18
2001:559:b2::/48 v6 RPKI valid 33 852792222258 2026-09-18
2001:559:13e::/48 v6 RPKI valid 33 852792222258 2026-09-18
2001:559:21c::/48 v6 RPKI valid 33 852792222258 2026-09-18
2001:559:21d::/48 v6 RPKI valid 33 852792222258 2026-09-18
2001:559:25f::/48 v6 RPKI valid 33 852792222258 2026-09-18
2001:559:2f7::/48 v6 RPKI valid 33 852792222258 2026-09-18
2001:559:407::/48 v6 RPKI valid 33 852792222258 2026-09-18
2001:559:426::/48 v6 RPKI valid 33 852792222258 2026-09-18
2001:559:442::/48 v6 RPKI valid 33 852792222258 2026-09-18
2001:559:5b3::/48 v6 RPKI valid 33 852792222258 2026-09-18
2001:559:7ef::/48 v6 RPKI valid 33 852792222258 2026-09-18
2001:559:7fb::/48 v6 RPKI valid 33 852792222258 2026-09-18
2001:559:820e::/48 v6 RPKI valid 33 852792222258 2026-09-18
2001:559:84ab::/48 v6 RPKI valid 33 852792222258 2026-09-18
2001:559:c158::/48 v6 RPKI valid 33 852792222258 2026-09-18