Direct Membership

Macros that directly list AS137721 as a member:

AS20965:AS-FROM-TEIN-TO-GEANT(600 members)

Expanded Membership

All macros containing AS137721 (directly or via nested macros): 2

Show 2 macros

AS20965:AS-FROM-TEIN-TO-GEANT(639 ASNs)
AS-GEANTNRENPEERS(3,149 ASNs)

Upstream AS Paths

14 unique paths, avg length 5.4

AS Looking Glass

Upstream paths (matching graph above)

AS2497 → AS23911 → AS23910 → AS24357 → AS137721
AS61573 → AS13786 → AS22356 → AS3491 → AS23911 → AS23910 → AS24357 → AS137721
AS17766 → AS38195 → AS3491 → AS23911 → AS23910 → AS24357 → AS137721
AS2734 → AS6939 → AS4635 → AS23911 → AS23910 → AS24357 → AS137721
AS53062 → AS16735 → AS6939 → AS4635 → AS23911 → AS23910 → AS24357 → AS137721
AS60144 → AS6939 → AS4635 → AS23911 → AS23910 → AS24357 → AS137721
AS398465 → AS6939 → AS4635 → AS23911 → AS23910 → AS24357 → AS137721
AS142271 → AS9304 → AS4635 → AS23911 → AS23910 → AS24357 → AS137721
AS14537 → AS4635 → AS23911 → AS23910 → AS24357 → AS137721
AS396390 → AS11537 → AS23911 → AS23910 → AS24357 → AS137721
AS24482 → AS23911 → AS23910 → AS24357 → AS137721

AS137721 IPv6 Address Subnets (2)

2406:e3c0::/32	🇨🇳 CN		ChinaNet-Guangdong-Guangzhou-M…
2406:e3c0:1800::/37	🇽🇽 XX		CHINA-INTERNET-NETWORK