206208 looking glass

AS33667 Comcast Cable Communications, LLC 🇺🇸 US

Announcing 116 prefixes, seen at the RIS collectors.

IPv4 prefixes
59
63,744 (249 × /24)
IPv6 prefixes
57
8 × /32
Upstreams
2
transit providers observed
Peers
0
settlement-free adjacencies
Downstreams
140
transit customers observed
Customer cone
20,189
ASes reachable through it

Registry and operator data

AS number
AS33667
Name
Comcast Cable Communications, LLC
Organisation
Comcast - Central California
Country
🇺🇸 US
RIR
ARIN
Allocated
2005-02-16
Network type
Cable/DSL/ISP
Scope
Regional
Peering policy
Restrictive
PeeringDB
net/10089
Facilities
1

RPKI coverage of this AS

Its own announcements, validated against the current ROA set

101 valid (87.1%) 2 invalid (1.7%) 13 no ROA (11.2%)

Announced prefixes

57 in total

Prefix RPKI Peers Sample path First seen
2001:559:8b::/48 v6 RPKI valid 32 852792233667 2026-09-18
2001:559:8c::/48 v6 RPKI valid 32 852792233667 2026-09-18
2001:559:123::/48 v6 RPKI valid 32 852792233667 2026-09-18
2001:559:13c::/48 v6 RPKI valid 32 852792233667 2026-09-18
2001:559:1b1::/48 v6 RPKI valid 32 852792233667 2026-09-18
2001:559:249::/48 v6 RPKI valid 32 852792233667 2026-09-18
2001:559:2c1::/48 v6 RPKI valid 32 852792233667 2026-09-18
2001:559:32d::/48 v6 RPKI valid 32 852792233667 2026-09-18
2001:559:47c::/48 v6 RPKI valid 32 852792233667 2026-09-18
2001:559:492::/48 v6 RPKI valid 32 852792233667 2026-09-18
2001:559:5a2::/48 v6 RPKI valid 32 852792233667 2026-09-18
2001:559:5de::/48 v6 RPKI valid 32 852792233667 2026-09-18
2001:559:712::/48 v6 RPKI valid 32 852792233667 2026-09-18
2001:559:75a::/48 v6 RPKI valid 32 852792233667 2026-09-18
2001:559:7cb::/48 v6 RPKI valid 32 852792233667 2026-09-18
2001:559:8091::/48 v6 RPKI valid 32 852792233667 2026-09-21
2001:559:80a8::/48 v6 RPKI valid 32 852792233667 2026-09-18
2001:559:8167::/48 v6 RPKI valid 32 852792233667 2026-09-18
2001:559:8202::/48 v6 RPKI valid 32 852792233667 2026-09-18
2001:559:82f6::/48 v6 RPKI valid 32 852792233667 2026-09-18
2001:559:83e1::/48 v6 RPKI valid 32 852792233667 2026-09-18
2001:559:845d::/48 v6 RPKI valid 32 852792233667 2026-09-18
2001:559:8492::/48 v6 RPKI valid 32 852792233667 2026-09-25
2001:559:859a::/48 v6 RPKI valid 32 852792233667 2026-09-18
2001:559:85d8::/48 v6 RPKI valid 32 852792233667 2026-09-18
2001:559:860f::/48 v6 RPKI valid 32 852792233667 2026-09-18
2001:559:8610::/48 v6 RPKI valid 32 852792233667 2026-09-18
2001:559:86a7::/48 v6 RPKI valid 32 852792233667 2026-09-18
2001:559:86ec::/48 v6 RPKI valid 32 852792233667 2026-09-21
2001:559:8763::/48 v6 RPKI valid 32 852792233667 2026-09-18
2001:559:8784::/48 v6 RPKI valid 32 852792233667 2026-09-18
2001:559:87c8::/48 v6 RPKI valid 32 852792233667 2026-09-18
2001:559:c024::/48 v6 RPKI valid 32 852792233667 2026-09-18
2001:559:c107::/48 v6 RPKI valid 32 852792233667 2026-09-18
2001:559:c117::/48 v6 RPKI valid 32 852792233667 2026-09-21
2001:559:c144::/48 v6 RPKI valid 32 852792233667 2026-09-18
2001:559:c203::/48 v6 RPKI valid 32 852792233667 2026-09-18
2001:559:c219::/48 v6 RPKI valid 32 852792233667 2026-09-18
2001:559:c222::/48 v6 RPKI valid 32 852792233667 2026-09-18
2001:559:c294::/48 v6 RPKI valid 32 852792233667 2026-09-18
2001:559:c36d::/48 v6 RPKI valid 32 852792233667 2026-09-18
2001:559:c37b::/48 v6 RPKI valid 32 852792233667 2026-09-18
2001:559:c395::/48 v6 RPKI valid 32 852792233667 2026-09-18
2001:559:c39a::/48 v6 RPKI valid 32 852792233667 2026-09-18
2001:559:c3fd::/48 v6 RPKI valid 32 852792233667 2026-09-18
2001:559:c46c::/48 v6 RPKI valid 32 852792233667 2026-09-18
2001:559:c475::/48 v6 RPKI valid 32 852792233667 2026-09-18
2001:559:c4d5::/48 v6 RPKI valid 32 852792233667 2026-09-21
2001:559:c551::/48 v6 RPKI valid 32 852792233667 2026-09-18
2620:10a:6000::/44 v6 no ROA 11 37721335633667 2026-09-18
2a03:2887:ff31::/48 v6 RPKI valid 32 852792233667 2026-09-18
2a03:2887:ff32::/48 v6 RPKI valid 32 852792233667 2026-09-18
2a0c:1900::/29 v6 RPKI valid 32 37721335633667 2026-09-18
2a0c:1902:a7b3::/48 v6 RPKI valid 34 37721335633667 2026-09-18
2a0c:1904:3f82::/48 v6 RPKI valid 34 37721335633667 2026-09-18
2a0c:1905:c491::/48 v6 RPKI valid 34 37721335633667 2026-09-18
2a0c:1907:6d2e::/48 v6 RPKI valid 34 37721335633667 2026-09-18