// Cortland Communications //

Direct Membership

Macros that directly list AS4319 as a member:

AS-CORT(4 members)
AS-METAPEER(5 members)
AS-YOURORG-TRANSIT(6 members)
AS-ASSERTIVE(10 members)
AS-GTPEERS(73 members)
AS-PNAPSEA(110 members)
AS-PNAPSEF(126 members)
AS-ZITOMEDIA(133 members)
AS-SH-CUST(302 members)
AS-WAVE-CUSTOMERS(657 members)
AS-BTN-CUSTOMERS(1495 members)

Expanded Membership

All macros containing AS4319 (directly or via nested macros): 501

Show 100 macros

AS-CORT(4 ASNs)
AS-METAPEER(5 ASNs)
AS-YOURORG-TRANSIT(6 ASNs)
AS-ASSERTIVE(10 ASNs)
AS-GTPEERS(73 ASNs)
AS-PNAPSEA(131 ASNs)
AS-ZITOMEDIA(132 ASNs)
AS-PNAPSEF(236 ASNs)
AS-PSINETUS-MC(377 ASNs)
AS-PSINET-US(381 ASNs)
AS-PSINET(600 ASNs)
AS-SERVERCENTRAL-CUSTOMERS(1,044 ASNs)
AS-SERVERCENTRAL(1,045 ASNs)
AS-CACHENETWORKS(1,048 ASNs)
AS-OHIOIX-PUBLIC(1,050 ASNs)
AS-AMPLEX(1,053 ASNs)
AS-BRESCODOWNSTREAM(1,061 ASNs)
AS-BRESCO-ALL(1,062 ASNs)
AS-BTN(1,495 ASNs)
AS-BTN-CUSTOMERS(1,495 ASNs)
AS-EQUINIX-PE(1,524 ASNs)
AS-EQUINIX-AP(1,560 ASNs)
AS-EQUINIX-ME(1,567 ASNs)
AS15830:AS-EQUINIX-OCEANIA(1,645 ASNs)
AS-EQUINIX-ASIA(1,665 ASNs)
AS15830:AS-EQUINIX-ASIA(1,665 ASNs)
AS-EQUINIX-APAC(1,746 ASNs)
AS15830:AS-EQUINIX-APAC(1,746 ASNs)
AS-DOWNSTREAM(1,861 ASNs)
AS-SET-QUADRANET(1,861 ASNs)
AS-SET-QUADRANET-MIAMI(1,861 ASNs)
AS63927:AS-CUSTOMERS(2,163 ASNs)
AS-IPTP-140951(2,474 ASNs)
AS-IIJ6(2,528 ASNs)
AS-YYCIX-RS-CLIENTS(2,591 ASNs)
AS-MELBICOM(3,008 ASNs)
AS-CDNET(3,017 ASNs)
AS-29802-CUSTOMERS(3,054 ASNs)
AS-MELBICOM-V6(3,054 ASNs)
AS-WAVE-CUSTOMERS(3,062 ASNs)
AS-VOBIZ(3,068 ASNs)
AS11404:AS-CONE(3,068 ASNs)
AS-29802(3,104 ASNs)
AS-IIJ(3,162 ASNs)
AS-NEXTHOP-AU(3,394 ASNs)
AS-NETMAGIC-NOK(3,461 ASNs)
AS-EQUINIX(3,591 ASNs)
AS15830:AS-EQUINIX(3,591 ASNs)
AS4826:AS-CUSTOMERS(3,766 ASNs)
AS-VOCUS(3,767 ASNs)
AS4826:AS-VOCUS(3,767 ASNs)
AS-MMTS(3,771 ASNs)
AS-INTERNAP(4,181 ASNs)
AS-ATRATO(4,334 ASNs)
AS-ATRATO6(4,334 ASNs)
AS-HIBERNIA(4,334 ASNs)
AS-BIGPIPE(4,349 ASNs)
AS-CIREX(4,394 ASNs)
AS-MF-IX(4,675 ASNs)
AS58453:AS-EUROPEASCUST(4,790 ASNs)
AS7606:AS-SA-IX(4,843 ASNs)
AS-MAINONE(4,898 ASNs)
AS-UNITAS(4,908 ASNs)
AS-UNITAS-CUSTOMERS(4,908 ASNs)
AS-LIMELIGHT-CUST(4,913 ASNs)
AS-RELIANCE(4,914 ASNs)
AS-LIMELIGHT(4,922 ASNs)
AS-LLNW(4,943 ASNs)
AS-BELL(5,257 ASNs)
AS577:AS-CUSTOMERS(5,257 ASNs)
AS-RCN-CE-PEERS(5,340 ASNs)
AS-CLOUD-IX-LOCAL(5,375 ASNs)
AS-EP-POLMIX(5,449 ASNs)
AS-SERVICEPIPE(5,724 ASNs)
AS135814:AS-CUSTOMERS(5,835 ASNs)
AS133982:AS-CUSTOMERS(5,841 ASNs)
AS-COMCOR-EU(5,963 ASNs)
AS-AKADO(5,977 ASNs)
AS-COMCOR(5,977 ASNs)
AS7474:AS-CUSTOMERS(6,144 ASNs)
AS7474:AS-OPTUS(6,145 ASNs)
AS135709:AS-LTCIN(6,148 ASNs)
AS-LIQUID(6,233 ASNs)
AS-MSK(6,649 ASNs)
AS-OPTUS(7,043 ASNs)
AS45820:AS-TTSL(7,090 ASNs)
AS17762:AS-PEERS(7,180 ASNs)
AS-SH-CUST(7,354 ASNs)
AS-STARHUBINTERNET(7,359 ASNs)
AS-VODAFONE-NET-IN(8,989 ASNs)
AS-IDEA(8,995 ASNs)
AS-INFOTEL-IN(9,109 ASNs)
AS-SINGTEL(9,176 ASNs)
AS-AS209(10,244 ASNs)
AS-QWEST(10,244 ASNs)
AS-EDGEUNO-TR(10,995 ASNs)
AS-RJIL-ILD-IN(11,470 ASNs)
AS-KDDTRANSIT(11,930 ASNs)
AS-SET-SEACOM(12,587 ASNs)
AS-IHOME(12,653 ASNs)
... and 401 more

Upstream AS Paths

15 unique paths, avg length 2.9

AS Looking Glass

Upstream paths (matching graph above)

AS2497 → AS3257 → AS13331 → AS4319
AS4181 → AS3257 → AS13331 → AS4319
AS142271 → AS9304 → AS3257 → AS13331 → AS4319
AS16552 → AS3257 → AS13331 → AS4319
AS25091 → AS3257 → AS13331 → AS4319
AS52320 → AS3257 → AS13331 → AS4319
AS58511 → AS3257 → AS13331 → AS4319
AS199518 → AS6939 → AS13331 → AS4319
AS140627 → AS1299 → AS7922 → AS13331 → AS4319
AS32590 → AS12956 → AS7922 → AS13331 → AS4319
AS18106 → AS13331 → AS4319
AS19754 → AS13331 → AS4319
AS49544 → AS13331 → AS4319