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⚠️ CIRCL BGP Security Rank: 0.0000% (position 12313)

Direct Membership

Macros that directly list AS721 as a member:

AS-DATACOM(55 members)
AS-LEVEL3-CUSTOMERS-NA(971 members)
AS-AS209-CUST(1818 members)

Expanded Membership

All macros containing AS721 (directly or via nested macros): 49

Show 49 macros

AS-DATACOM(55 ASNs)
AS-LEVEL3-CUSTOMERS-NA(971 ASNs)
AS-LEVEL3-CUSTOMERS(1,493 ASNs)
AS-AS209-CUST(1,818 ASNs)
AS-QWEST-CUST(1,818 ASNs)
AS-IBSCUST(3,862 ASNs)
AS-SEABONECUSTIT(4,379 ASNs)
AS-AS209(10,244 ASNs)
AS-QWEST(10,244 ASNs)
AS-KDDTRANSIT(11,930 ASNs)
AS-EUNET(13,944 ASNs)
AS-SEABONECUSTEU(69,169 ASNs)
AS-SEABONE(71,409 ASNs)
AS-DECIX-PMO-V6(72,294 ASNs)
AS25083:AS-DECIX-PMO-V6(72,294 ASNs)
AS-DECIX-PMO(72,297 ASNs)
AS25083:AS-DECIX-PMO(72,297 ASNs)
AS-EBONE(73,672 ASNs)
AS-ST1-UPSTREAMS(73,733 ASNs)
AS-DECIX-IST(73,942 ASNs)
AS20715:AS-DECIX-IST(73,942 ASNs)
AS-IX(76,712 ASNs)
AS-SPEED-IX(76,712 ASNs)
AS-1-IX(79,814 ASNs)
AS31561:AS-MEMBERS-AMS(79,814 ASNs)
AS31561:AS-MEMBERS(79,895 ASNs)
AS-STOLON-PEERING(79,897 ASNs)
AS-DATAIX(82,325 ASNs)
AS-DATAIX-UA(82,325 ASNs)
AS-10VPN-PEERS(82,586 ASNs)
AS-1-IX-WAW(82,799 ASNs)
AS3326:AS-PEERS-UA(83,796 ASNs)
AS3326:AS-UA(83,796 ASNs)
AS-1-IX-WAW-V6(84,590 ASNs)
AS-KLNK-IX(85,102 ASNs)
AS-NL-IX-RS(85,102 ASNs)
AS-1-IX-V6(87,628 ASNs)
AS-SOX(90,571 ASNs)
AS59900:AS-B-IX-PARTNERS(90,888 ASNs)
AS-VIX-RS(90,892 ASNs)
AS-VIX-RS-V6(91,142 ASNs)
AS216369:AS-IX(91,206 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-CLOUD-IX-PRO(100,911 ASNs)
AS-MERKEL-PEERS(100,925 ASNs)

Upstream AS Paths

39 unique paths, avg length 2.3

AS Looking Glass

Upstream paths (matching graph above)

AS150000 → AS18187 → AS174 → AS3356 → AS721
AS199524 → AS174 → AS3356 → AS721
AS209 → AS3356 → AS721
AS955 → AS3356 → AS721
AS140627 → AS1299 → AS3356 → AS721
AS2152 → AS3356 → AS721
AS2497 → AS3356 → AS721
AS142271 → AS9304 → AS6453 → AS3356 → AS721
AS142271 → AS9304 → AS6762 → AS3356 → AS721
AS6830 → AS3356 → AS721
AS150000 → AS18187 → AS6939 → AS3356 → AS721
AS150000 → AS6939 → AS3356 → AS721
AS7594 → AS3356 → AS721
AS9002 → AS3356 → AS721
AS17350 → AS3356 → AS721
AS25091 → AS3356 → AS721
AS32590 → AS3356 → AS721
AS37271 → AS3356 → AS721
AS49544 → AS3356 → AS721
AS199524 → AS3356 → AS721

All 39 Upstream Paths

Complete list of all observed paths

AS150000 → AS18187 → AS174 → AS3356 → AS721
AS199524 → AS174 → AS3356 → AS721
AS209 → AS3356 → AS721
AS293 → AS3356 → AS721
AS955 → AS3356 → AS721
AS1299 → AS3356 → AS721
AS140627 → AS1299 → AS3356 → AS721
AS2152 → AS3356 → AS721
AS2497 → AS3356 → AS721
AS2914 → AS3356 → AS721
AS3320 → AS3356 → AS721
AS3491 → AS3356 → AS721
AS4826 → AS3356 → AS721
AS6453 → AS3356 → AS721
AS142271 → AS9304 → AS6453 → AS3356 → AS721
AS142271 → AS9304 → AS6762 → AS3356 → AS721
AS6830 → AS3356 → AS721
AS6939 → AS3356 → AS721
AS150000 → AS18187 → AS6939 → AS3356 → AS721
AS150000 → AS6939 → AS3356 → AS721
AS7018 → AS3356 → AS721
AS7594 → AS3356 → AS721
AS7713 → AS3356 → AS721
AS9002 → AS3356 → AS721
AS14537 → AS3356 → AS721
AS14630 → AS3356 → AS721
AS17350 → AS3356 → AS721
AS19653 → AS3356 → AS721
AS25091 → AS3356 → AS721
AS32590 → AS3356 → AS721
AS37271 → AS3356 → AS721
AS37721 → AS3356 → AS721
AS39120 → AS3356 → AS721
AS41811 → AS3356 → AS721
AS49544 → AS3356 → AS721
AS56665 → AS3356 → AS721
AS63927 → AS3356 → AS721
AS199524 → AS3356 → AS721
AS209823 → AS3356 → AS721

AS721 IPv4 Address Subnets (229)

214.0.0.0/8	🇺🇸 US	DNIC-ASBLK-00721-00726
55.0.0.0/8	🇺🇸 US	DNIC-ASBLK-00721-00726
215.0.0.0/9	🇺🇸 US	DNIC-ASBLK-00721-00726
132.0.0.0/10	🇺🇸 US	DNIC-ASBLK-00721-00726
131.32.0.0/11	🇺🇸 US	DNIC-ASBLK-00721-00726
132.96.0.0/11	🇺🇸 US	DNIC-ASBLK-00721-00726
205.64.0.0/11	🇺🇸 US	DNIC-ASBLK-00721-00726
132.128.0.0/12	🇺🇸 US	DNIC-ASBLK-00721-00726
132.80.0.0/12	🇺🇸 US	DNIC-ASBLK-00721-00726
138.144.0.0/12	🇺🇸 US	DNIC-ASBLK-00721-00726