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-AS209-CUST(1,818 ASNs)
AS-QWEST-CUST(1,818 ASNs)
AS-COMCAST-EDIA(2,771 ASNs)
AS-AS209(10,244 ASNs)
AS-QWEST(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)

Upstream AS Paths

18 unique paths, avg length 2.3

AS Looking Glass

Upstream paths (matching graph above)

AS955 → AS3356 → AS21573
AS1299 → AS3356 → AS21573
AS2497 → AS3356 → AS21573
AS3491 → AS3356 → AS21573
AS4826 → AS3356 → AS21573
AS142271 → AS9304 → AS6453 → AS3356 → AS21573
AS142271 → AS9304 → AS6762 → AS3356 → AS21573
AS6830 → AS3356 → AS21573
AS6939 → AS3356 → AS21573
AS7018 → AS3356 → AS21573
AS14630 → AS3356 → AS21573
AS25091 → AS3356 → AS21573
AS32590 → AS3356 → AS21573
AS37271 → AS3356 → AS21573
AS49544 → AS3356 → AS21573
AS34927 → AS60011 → AS3356 → AS21573
AS199524 → AS3356 → AS21573
AS209823 → AS3356 → AS21573

AS21573 IPv4 Address Subnets (9)

198.153.10.0/23	🇺🇸 US		HEALTHPARTNERS
198.153.12.0/23	🇺🇸 US		HEALTHPARTNERS
198.153.14.0/23	🇺🇸 US		HEALTHPARTNERS
198.153.8.0/23	🇺🇸 US		HEALTHPARTNERS
198.174.108.0/23	🇺🇸 US		HEALTHPARTNERS
198.174.110.0/23	🇺🇸 US		HEALTHPARTNERS
198.175.194.0/23	🇺🇸 US		HEALTHPARTNERS
198.175.196.0/23	🇺🇸 US		HEALTHPARTNERS
206.146.129.0/24	🇺🇸 US	Comcast Cable Communications, Inc 1800 Bishops Gat…	HEALTHPARTNERS