AS21573
% No entries found for the selected source(s).
Upstream AS Paths
18 unique paths, avg length 2.3
AS Looking Glass
Upstream paths (matching graph above)
Prefixes (9) →
View all IPv4 and IPv6 prefixes originated by AS21573
Hostnames in AS21573
Direct Membership
Macros that directly list AS21573 as a member:
AS-AS209-CUST(1818 members)
AS-COMCAST-EDIA(2333 members)
Expanded Membership
All macros containing AS21573 (directly or via nested macros): 19
Show 19 macros
AS-QWEST-CUST(1,818 ASNs)
AS-AS209-CUST(1,818 ASNs)
AS-COMCAST-EDIA(2,771 ASNs)
AS-QWEST(10,244 ASNs)
AS-AS209(10,244 ASNs)
AS-KDDTRANSIT(11,930 ASNs)
AS-EUNET(13,944 ASNs)
AS-COMCAST-IBONE(19,609 ASNs)
AS-GLOBEINTERNET(84,477 ASNs)
AS-GLOBEINTERNET-CLIENTS(84,477 ASNs)
AS-DECIX(96,509 ASNs)
AS-NFON-DECIX-PEERS-V4(96,509 ASNs)
AS-NFON-DECIX-PEERS-V6(96,509 ASNs)
AS6695:AS-DECIX-FRA(96,509 ASNs)
AS-ST1-IXPS(96,670 ASNs)
AS-DECIX-V6(100,277 ASNs)
AS6695:AS-DECIX-FRA-V6(100,277 ASNs)
AS-CLOUD-IX-PRO(100,911 ASNs)
AS-MERKEL-PEERS(100,925 ASNs)