427+631undefined

AS Name: RoadRunner

Description: RR-RC-Excess Line Association of New York-NYCity

Registry: RADB

Imports from (1)

AS-ANY

Exports to (2)

AS-ANY AS-ROADRUNNER

aut-num: AS21742
as-name: RoadRunner
descr: RR-RC-Excess Line Association of New York-NYCity
import: from AS-ANY accept ANY
export: to AS-ANY announce AS-ROADRUNNER
admin-c: IPADDREG
tech-c: IPADDREG
notify: ipaddreg@rr.com
mnt-by: MAINT-RR
changed: ipaddreg@rr.com 20140825
source: RADB
last-modified: 2023-11-13T16:14:57Z

Upstream AS Paths

15 unique paths, avg length 2.2

AS Looking Glass

Upstream paths (matching graph above)

AS136557 → AS174 → AS17378 → AS21742
AS293 → AS17378 → AS21742
AS2734 → AS17378 → AS21742
AS2497 → AS3257 → AS17378 → AS21742
AS4826 → AS17378 → AS21742
AS142271 → AS9304 → AS6461 → AS17378 → AS21742
AS6939 → AS17378 → AS21742
AS14537 → AS17378 → AS21742
AS24482 → AS17378 → AS21742
AS25091 → AS17378 → AS21742
AS36236 → AS17378 → AS21742
AS52320 → AS17378 → AS21742
AS137409 → AS17378 → AS21742

Prefixes (1) →

View all IPv4 and IPv6 prefixes originated by AS21742

Direct Membership

Macros that directly list AS21742 as a member:

AS-XAND(20 members)
AS-RR-BIZ(1857 members)

Expanded Membership

All macros containing AS21742 (directly or via nested macros): 59

Show 59 macros

AS-XAND(22 ASNs)
AS-TIERPOINT(371 ASNs)
AS-SDN-IPV6-CUST-AS(386 ASNs)
AS-SDN-CUSTOMER-AS(427 ASNs)
AS-13576-SDN-PEERS(429 ASNs)
AS-WINDSTREAM-IRRCUST(2,025 ASNs)
AS-RR-BIZ(2,065 ASNs)
AS-ROADRUNNER(2,093 ASNs)
AS-WINDSTREAM(4,180 ASNs)
AS-XO(23,361 ASNs)
AS-DECIX-ORD-V6(31,479 ASNs)
AS62760:AS-DECIX-ORD-V6(31,479 ASNs)
AS-DECIX-DFW-V6(40,077 ASNs)
AS62499:AS-DECIX-DFW-V6(40,077 ASNs)
AS-DECIX-DFW(43,178 ASNs)
AS62499:AS-DECIX-DFW(43,178 ASNs)
AS2914:AS-US-V6(52,836 ASNs)
AS2914:AS-US(53,991 ASNs)
AS-NYIIX(79,103 ASNs)
AS-DECIX-NYC(80,230 ASNs)
AS-DECIX-NYC-V6(80,230 ASNs)
AS63034:AS-DECIX-NYC(80,230 ASNs)
AS63034:AS-DECIX-NYC-V6(80,230 ASNs)
AS2914:AS-GLOBAL-V6(81,831 ASNs)
AS-VERIO(82,495 ASNs)
AS-WNA(82,495 ASNs)
AS2914:AS-GLOBAL(82,495 ASNs)
AS-GTTCUST6(83,984 ASNs)
AS-TINETCUST6(83,984 ASNs)
AS-GLOBEINTERNET(84,477 ASNs)
AS-GLOBEINTERNET-CLIENTS(84,477 ASNs)
AS-GTTCUST(84,520 ASNs)
AS-TINETCUST(84,520 ASNs)
AS-TISCALI(84,608 ASNs)
AS-TINET(84,608 ASNs)
AS-GTT(84,608 ASNs)
AS-SEATTLEIX-RS-CLIENTS(84,639 ASNs)
AS-CESNET-NIX-PEERS(85,295 ASNs)
AS-TELIANETNA(86,938 ASNs)
AS1299:AS-TWELVE99-NA-V4(86,938 ASNs)
AS-TELIANETNA-V6(86,952 ASNs)
AS1299:AS-TWELVE99-NA-V6(86,952 ASNs)
AS-TELIANET-V6(92,705 ASNs)
AS1299:AS-TWELVE99-V6(92,705 ASNs)
AS-TELIANET(92,989 ASNs)
AS1299:AS-TWELVE99-V4(92,989 ASNs)
AS-BCIX(93,003 ASNs)
AS16374:AS-BCIX-ALL(93,003 ASNs)
AS1299:AS-TWELVE99(93,076 ASNs)
AS-TIXZH(94,757 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)