AS21556
Direct Membership
Macros that directly list AS21556 as a member:
AS293:AS-FROM-NASA-TO-ESNET(10 members)
AS297:AS-CONE(12 members)
AS-PCH(26 members)
AS141013:AS-GETAFIX-REACH-PEERS(268 members)
AS13335:AS-CUSTOMERS(1521 members)
AS-TELSTRA-INTL-CUSTOMERS(11248 members)
AS-HURRICANEV6(20402 members)
Expanded Membership
All macros containing AS21556 (directly or via nested macros): 430
Show 100 macros
AS293:AS-FROM-NASA-TO-ESNET(10 ASNs)
AS297:AS-CONE(12 ASNs)
AS-PCH(40 ASNs)
AS-EQUINIX-GV(44 ASNs)
AS-EQUINIX-ZH(45 ASNs)
AS4641:AS-CUHK-TRANSIT(51 ASNs)
AS-JINX-OPS(56 ASNs)
AS-RUHRCIX(71 ASNs)
AS-RUHRCIX-V6(71 ASNs)
AS57891:AS-RUHRCIX(71 ASNs)
AS57891:AS-RUHRCIX-V6(71 ASNs)
AS-AGILESP(85 ASNs)
AS-EQUINIX-CH(107 ASNs)
AS142271:AS-CUSTOMER(153 ASNs)
AS-MERKEL(247 ASNs)
AS141013:AS-GETAFIX-REACH-PEERS(268 ASNs)
AS-RIX-RS(429 ASNs)
AS-EQUINIX-NORTH-AMERICA(543 ASNs)
AS15830:AS-EQUINIX-NORTH-AMERICA(543 ASNs)
AS6774:AS-BICS-CUST(588 ASNs)
AS-BELBONE(742 ASNs)
AS-BELBONEMEMBERS(742 ASNs)
AS-BELGACOMFRANCETOPEERS(742 ASNs)
AS-SWISSIX-OUTREACH(772 ASNs)
AS-EQUINIX-EU(880 ASNs)
AS-EQUINIX-EUROPE(880 ASNs)
AS-IXE-GVA(880 ASNs)
AS-IXEUROPE(880 ASNs)
AS-IXEUROPE-FR(880 ASNs)
AS-TELECITYGROUP(880 ASNs)
AS15830:AS-EQUINIX-EUROPE(880 ASNs)
AS-EQUINIX-EMEA(881 ASNs)
AS-INTERHOUSE-DE(881 ASNs)
AS-TELECITY-DE(881 ASNs)
AS15830:AS-EQUINIX-EMEA(881 ASNs)
AS197032:AS-ALL(1,089 ASNs)
AS15830:AS-EQUINIX-AMER(1,376 ASNs)
AS13335:AS-CUSTOMERS(1,521 ASNs)
AS-SET-SAIX-RS(1,526 ASNs)
AS30781:AS-JAGUAR-PEERING-V6-LYONIX(1,598 ASNs)
AS-AAIX(1,621 ASNs)
AS57369:AS-FREMIX(2,042 ASNs)
AS-SWCMCUSTOMERS(2,044 ASNs)
AS3303:AS-SWCMCUSTOMERS(2,044 ASNs)
AS63927:AS-CUSTOMERS(2,163 ASNs)
AS30781:AS-JAGUAR-PEERING-LYONIX(2,213 ASNs)
AS-IPTP-140951(2,474 ASNs)
AS-YYCIX-RS-CLIENTS(2,591 ASNs)
AS-FASTWEB-GLOBAL(2,641 ASNs)
AS-MEER(2,642 ASNs)
AS-CHIX-RS(2,676 ASNs)
AS-GEANTNRENPEERS(3,149 ASNs)
AS-BELBONETOPEERS(3,364 ASNs)
AS-BELGACOM(3,364 ASNs)
AS-EQUINIX(3,591 ASNs)
AS15830:AS-EQUINIX(3,591 ASNs)
AS-SOX-SRB(3,643 ASNs)
AS-BALKAN-IX-V6(3,646 ASNs)
AS6830:AS-AORTADE(4,015 ASNs)
AS34565:AS-TURKIX-PARTNERS(4,030 ASNs)
AS-BIGPIPE(4,349 ASNs)
AS-FOGIXP(4,422 ASNs)
AS213579:AS-IXP(4,422 ASNs)
AS47757:AS-PEERS(4,422 ASNs)
AS-KPN(4,751 ASNs)
AS-KPNV6(4,751 ASNs)
AS-KQ(4,751 ASNs)
AS215147:AS-PEERS(5,129 ASNs)
AS41073:AS-IPV4-INEX-PEERS(5,208 ASNs)
AS-BELL(5,257 ASNs)
AS577:AS-CUSTOMERS(5,257 ASNs)
AS-LIQUID(6,233 ASNs)
AS24748:AS-IX(8,694 ASNs)
AS-AORTA(11,961 ASNs)
AS6830:AS-AORTA(11,961 ASNs)
AS-TELSTRA-INTL-CUSTOMERS(12,472 ASNs)
AS-SET-SEACOM(12,587 ASNs)
AS213973:AS-BCIX(13,844 ASNs)
AS213973:AS-PARTNERS(13,844 ASNs)
AS57328:AS-DDIX(13,844 ASNs)
AS59552:AS-SON-IX-RS(13,844 ASNs)
AS-EUNET(13,944 ASNs)
AS41073:AS-INEX-PEERS(14,843 ASNs)
AS-SAIX(15,195 ASNs)
AS-VOXILITY-SET(15,206 ASNs)
AS-RDSNET(16,878 ASNs)
AS-RDSTRANSIT(16,878 ASNs)
AS-MAGYARTELEKOM(17,357 ASNs)
AS-MATAV(17,357 ASNs)
AS-CN2(17,842 ASNs)
AS-WIOCC(18,067 ASNs)
AS198792:AS-PEER-AMSIX-V4(19,486 ASNs)
AS-COMCAST-IBONE(19,609 ASNs)
AS-OCCAID6(19,611 ASNs)
AS-OCCAID6-CUSTOMERS(19,611 ASNs)
AS-NOTSURFNET-PEERS(19,650 ASNs)
AS-EDGEUNO(19,687 ASNs)
AS-MZIMA-CUSTOMERS(19,702 ASNs)
AS-MZIMA(19,703 ASNs)
AS-PXGLOBAL(19,703 ASNs)
... and 330 more
Upstream AS Paths
36 unique paths, avg length 2.4
AS Looking Glass
Upstream paths (matching graph above)
AS21556 IPv4 Address Subnets (2)
| 192.12.28.0/24 | 🇺🇸 US | NARC-EROOT | |
| 192.203.230.0/24 | 🇺🇸 US | NASA Integrated Services Network (NISN) - E-ROOT | NARC-EROOT |
AS21556 IPv6 Address Subnets (2)
| 2001:500:a8::/48 | 🇺🇸 US | NASA Ames Research Center (NARC) - E-ROOT | NARC-EROOT |
| 2620:126:e000::/48 | 🇺🇸 US | NARC-EROOT |