ResearchRouting table, RPKI, IRR & looking glass

AS33652 Comcast Cable Communications, LLC

AS33652 (CMCS) is registered to Comcast Cable Communications, LLC in US. It originates 182 prefixes in the global routing table.

32
IPv4 prefixes
150
IPv6 prefixes
14,080
IPv4 addresses
97%
RPKI valid

Who holds AS33652

Names from RIPE NCC’s daily list of every allocated AS number. The ASN lookup fetches the full WHOIS record live.

AS number
AS33652
Handle
CMCS
Organization
Comcast Cable Communications, LLC
Country
US
ASPA
None published

What AS33652 announces

Prefixes originated by AS33652 in the RouteViews table (refreshed every four hours), each checked against the RPKI (every ten minutes) and the IRR (daily).

IPv4 prefixes
32
IPv6 prefixes
150
IPv4 addresses
14,080 (55 /24s)
RPKI valid
177 97%
RPKI invalid
0
RPKI not found
5
ROAs naming AS33652
497
With an IRR route object
151 82%

Announced prefixes

Each opens its own page: who announces it, the paths our collectors see, its ROAs and route objects.

IPv4 (32)
IPv6 (150)
2001:559:83::/482001:559:131::/482001:559:163::/482001:559:167::/482001:559:17b::/482001:559:183::/482001:559:19c::/482001:559:19e::/482001:559:1b4::/482001:559:1f3::/482001:559:1f5::/482001:559:1f6::/482001:559:1fb::/482001:559:207::/482001:559:24a::/482001:559:250::/482001:559:251::/482001:559:252::/482001:559:253::/482001:559:27c::/482001:559:27d::/482001:559:28e::/482001:559:29f::/482001:559:2b3::/482001:559:2b7::/482001:559:2b8::/482001:559:2c0::/482001:559:2c4::/482001:559:2df::/482001:559:2e8::/482001:559:321::/482001:559:323::/482001:559:335::/482001:559:349::/482001:559:35f::/482001:559:39f::/482001:559:3d3::/482001:559:3d4::/482001:559:3d6::/482001:559:3dd::/482001:559:3df::/482001:559:3e0::/482001:559:3ec::/482001:559:415::/482001:559:45c::/482001:559:4ba::/482001:559:507::/482001:559:51f::/482001:559:561::/482001:559:584::/482001:559:5f7::/482001:559:733::/482001:559:778::/482001:559:80dc::/482001:559:80de::/482001:559:80f8::/482001:559:811f::/482001:559:812c::/482001:559:814e::/482001:559:8185::/482001:559:819c::/482001:559:81a1::/482001:559:81a5::/482001:559:81b2::/482001:559:81c7::/482001:559:81c8::/482001:559:81f2::/482001:559:81fa::/482001:559:8203::/482001:559:8216::/482001:559:822d::/482001:559:823d::/482001:559:8276::/482001:559:827b::/482001:559:8316::/482001:559:8319::/482001:559:837b::/482001:559:839d::/482001:559:839e::/482001:559:83a0::/482001:559:83a1::/482001:559:83a2::/482001:559:83a3::/482001:559:83a4::/482001:559:83a5::/482001:559:83a8::/482001:559:83b8::/482001:559:83be::/482001:559:83d1::/482001:559:83dc::/482001:559:83e3::/482001:559:83e8::/482001:559:8540::/482001:559:854d::/482001:559:8564::/482001:559:85f2::/482001:559:86cc::/482001:559:86d9::/482001:559:86e3::/482001:559:86e8::/482001:559:86e9::/482001:559:8701::/482001:559:8718::/482001:559:8729::/482001:559:872a::/482001:559:878d::/482001:559:878e::/482001:559:8791::/482001:559:8792::/482001:559:87d6::/482001:559:c047::/482001:559:c070::/482001:559:c088::/482001:559:c0a1::/482001:559:c0c1::/482001:559:c0ee::/482001:559:c139::/482001:559:c13a::/482001:559:c145::/482001:559:c152::/48
Show 30 more

RPKI valid   RPKI invalid   no ROA covers it

Who AS33652 is reached through

The AS just before AS33652 in the paths our looking glass collectors hold, for 60 of its prefixes. Usually a transit provider, sometimes a peer. The number is how many of those prefixes it was seen on.

Provider authorization

AS33652 publishes no ASPA of its own. 1 AS name it as a provider in theirs. Check a path.

The 1 ASes that name AS33652 as a provider

Routing registry objects

From the mirrored IRR databases (RADB, the five RIRs and more). Look it up live.

Sourceas-nameMaintained by
LEVEL3NMNT-CMCS

Route objects with origin AS33652: ARIN 276 · RADB 7 · RIPE 5

as-sets that list AS33652 (5)