206208 looking glass

AS33490 Comcast (Portland/Spokane) 🇺🇸 US

Comcast Cable Communications, LLC. Announcing 82 prefixes, seen at the RIS collectors.

IPv4 prefixes
22
12,032 (47 × /24)
IPv6 prefixes
60
60 × /48
Upstreams
2
transit providers observed
Peers
0
settlement-free adjacencies
Downstreams
63
transit customers observed
Customer cone
64
ASes reachable through it

Registry and operator data

AS number
AS33490
Name
Comcast (Portland/Spokane)
Organisation
Comcast - Portland/Spokane
Country
🇺🇸 US
RIR
ARIN
Allocated
2004-12-30
Network type
Cable/DSL/ISP
Scope
Regional
Peering policy
Restrictive
PeeringDB
net/10088
Facilities
1

RPKI coverage of this AS

Its own announcements, validated against the current ROA set

68 valid (82.9%) 0 invalid (0.0%) 14 no ROA (17.1%)

Announced prefixes

82 in total

Prefix RPKI Peers Sample path First seen
50.204.255.0/24 v4 RPKI valid 40 7018792233490 2026-09-18
50.206.113.0/24 v4 RPKI valid 41 7018792233490 2026-09-18
50.228.52.0/24 v4 RPKI valid 41 7018792233490 2026-09-18
50.228.76.0/24 v4 RPKI valid 41 7018792233490 2026-09-18
50.232.199.0/24 v4 RPKI valid 41 7018792233490 2026-09-18
50.236.220.0/24 v4 RPKI valid 40 7018792233490 2026-09-18
50.238.126.0/24 v4 RPKI valid 41 7018792233490 2026-09-18
50.238.127.0/24 v4 RPKI valid 41 7018792233490 2026-09-18
72.19.22.0/24 v4 no ROA 43 37721335633490 2026-09-18
74.50.12.0/22 v4 no ROA 43 37721335633490 2026-09-18
104.145.48.0/20 v4 no ROA 43 37721335633490 2026-09-18
107.0.49.0/24 v4 RPKI valid 41 7018792233490 2026-09-18
107.0.67.0/24 v4 RPKI valid 41 7018792233490 2026-09-18
129.134.133.0/24 v4 no ROA 42 7018792233490 2026-09-18
129.134.134.0/24 v4 no ROA 42 7018792233490 2026-09-18
192.83.221.0/24 v4 no ROA 43 37721335633490 2026-09-18
199.244.171.0/24 v4 no ROA 43 37721335633490 2026-09-18
199.244.172.0/24 v4 no ROA 43 37721335633490 2026-09-18
204.76.179.0/24 v4 no ROA 43 37721335633490 2026-09-18
204.76.180.0/23 v4 no ROA 43 37721335633490 2026-09-18
216.122.120.0/22 v4 no ROA 43 37721335633490 2026-09-18
216.122.124.0/22 v4 no ROA 41 37721335633490 2026-09-18
2001:559:4::/48 v6 RPKI valid 33 852792233490 2026-09-18
2001:559:20::/48 v6 RPKI valid 33 852792233490 2026-09-18
2001:559:b3::/48 v6 RPKI valid 33 852792233490 2026-09-18
2001:559:b4::/48 v6 RPKI valid 33 852792233490 2026-09-18
2001:559:f0::/48 v6 RPKI valid 33 852792233490 2026-09-18
2001:559:f1::/48 v6 RPKI valid 33 852792233490 2026-09-18
2001:559:184::/48 v6 RPKI valid 33 852792233490 2026-09-18
2001:559:29b::/48 v6 RPKI valid 33 852792233490 2026-09-18
2001:559:29e::/48 v6 RPKI valid 33 852792233490 2026-09-18
2001:559:2c2::/48 v6 RPKI valid 33 852792233490 2026-09-18
2001:559:2e0::/48 v6 RPKI valid 33 852792233490 2026-09-18
2001:559:336::/48 v6 RPKI valid 33 852792233490 2026-09-18
2001:559:36a::/48 v6 RPKI valid 33 852792233490 2026-09-18
2001:559:3e5::/48 v6 RPKI valid 33 852792233490 2026-09-18
2001:559:3f0::/48 v6 RPKI valid 33 852792233490 2026-09-18
2001:559:433::/48 v6 RPKI valid 33 852792233490 2026-09-18
2001:559:434::/48 v6 RPKI valid 33 852792233490 2026-09-18
2001:559:5aa::/48 v6 RPKI valid 33 852792233490 2026-09-18
2001:559:711::/48 v6 RPKI valid 33 852792233490 2026-09-18
2001:559:715::/48 v6 RPKI valid 33 852792233490 2026-09-18
2001:559:79a::/48 v6 RPKI valid 33 852792233490 2026-09-18
2001:559:7ea::/48 v6 RPKI valid 33 852792233490 2026-09-18
2001:559:8070::/48 v6 RPKI valid 33 852792233490 2026-09-18
2001:559:8071::/48 v6 RPKI valid 33 852792233490 2026-09-18
2001:559:8094::/48 v6 RPKI valid 33 852792233490 2026-09-18
2001:559:8095::/48 v6 RPKI valid 33 852792233490 2026-09-18
2001:559:812b::/48 v6 RPKI valid 33 852792233490 2026-09-18
2001:559:8164::/48 v6 RPKI valid 33 852792233490 2026-09-18
2001:559:8186::/48 v6 RPKI valid 33 852792233490 2026-09-18
2001:559:81fe::/48 v6 RPKI valid 33 852792233490 2026-09-18
2001:559:82ca::/48 v6 RPKI valid 33 852792233490 2026-09-18
2001:559:8388::/48 v6 RPKI valid 33 852792233490 2026-09-18
2001:559:83f9::/48 v6 RPKI valid 33 852792233490 2026-09-18
2001:559:8498::/48 v6 RPKI valid 33 852792233490 2026-09-18
2001:559:84bd::/48 v6 RPKI valid 33 852792233490 2026-09-18
2001:559:8500::/48 v6 RPKI valid 33 852792233490 2026-09-18
2001:559:850f::/48 v6 RPKI valid 33 852792233490 2026-09-18
2001:559:868e::/48 v6 RPKI valid 33 852792233490 2026-09-18
2001:559:86b1::/48 v6 RPKI valid 33 852792233490 2026-09-18
2001:559:875a::/48 v6 RPKI valid 33 852792233490 2026-09-18
2001:559:875b::/48 v6 RPKI valid 33 852792233490 2026-09-18
2001:559:c019::/48 v6 RPKI valid 33 852792233490 2026-09-18
2001:559:c01a::/48 v6 RPKI valid 33 852792233490 2026-09-18
2001:559:c040::/48 v6 RPKI valid 33 852792233490 2026-09-18
2001:559:c0a9::/48 v6 RPKI valid 33 852792233490 2026-09-18
2001:559:c0ab::/48 v6 RPKI valid 33 852792233490 2026-09-18
2001:559:c0ac::/48 v6 RPKI valid 33 852792233490 2026-09-18
2001:559:c0ad::/48 v6 RPKI valid 33 852792233490 2026-09-18
2001:559:c148::/48 v6 RPKI valid 33 852792233490 2026-09-18
2001:559:c149::/48 v6 RPKI valid 33 852792233490 2026-09-18
2001:559:c153::/48 v6 RPKI valid 33 852792233490 2026-09-18
2001:559:c17c::/48 v6 RPKI valid 33 852792233490 2026-09-18
2001:559:c17d::/48 v6 RPKI valid 33 852792233490 2026-09-18
2001:559:c1c2::/48 v6 RPKI valid 33 852792233490 2026-09-18
2001:559:c2b9::/48 v6 RPKI valid 33 852792233490 2026-09-18
2001:559:c46b::/48 v6 RPKI valid 33 852792233490 2026-09-18
2001:559:c4e1::/48 v6 RPKI valid 33 852792233490 2026-09-18
2001:559:c52f::/48 v6 RPKI valid 33 852792233490 2026-09-18
2a03:2887:ff2c::/48 v6 no ROA 33 852792233490 2026-09-18
2a03:2887:ff2d::/48 v6 no ROA 33 852792233490 2026-09-18