ResearchIRR · ALTDB

AS-CORT Cortland routed AS's

An as-set registered in ALTDB, maintained by MAINT-AS4319. It names 4 ASes and 0 sets directly; followed all the way down, it reaches 4 ASes through 0 nested sets.

Members

What AS-CORT lists

4 ASes and 0 sets, written in the object across every registry that holds it. Sets open their own page.

AS4319 CORTLANDAS12256 CITYLINQAS13331 METAPEER-INCAS21519 SBG-AS2
Expanded

Every AS it reaches

What a filter built from AS-CORT would let in: 4 ASes.

Show the 4 ASes
AS4319AS12256AS13331AS21519
Prefixes

What AS-CORT covers

Every route object in the IRR whose origin is one of the 4 ASes it reaches: the prefixes a filter built from AS-CORT (with bgpq4, say) would allow. 37 IPv4 and 12 IPv6. Every one is in the IRR API.

37 IPv4 prefixes
162.249.16.0/22162.249.19.0/24163.237.208.0/24163.237.210.0/24163.237.222.0/24163.237.223.0/24163.237.224.0/24163.237.225.0/24163.237.240.0/24192.203.32.0/24192.203.33.0/24192.203.34.0/24192.203.35.0/24192.203.36.0/24199.254.229.0/24199.79.200.0/24199.98.153.0/24204.15.8.0/21206.197.106.0/24207.229.71.0/24207.229.72.0/22207.229.72.0/24207.229.73.0/24207.229.74.0/24207.229.75.0/24208.192.45.0/24208.192.46.0/24208.222.182.0/24208.73.28.0/22208.93.88.0/22209.162.128.0/19209.222.68.0/23209.222.68.0/24216.145.29.0/24216.145.30.0/24216.145.31.0/2466.154.105.0/24
12 IPv6 prefixes
2001:4978:1001::/482001:4978:1002::/482001:4978:1003::/482001:4978:1004::/482001:4978:10ae::/482001:4978:500::/482001:4978:501::/482001:4978:502::/482001:4978:503::/482001:4978:504::/482001:4978:5ff::/482620:11c:5000::/44
Registries

Each registry’s copy

ALTDB4 membersCortland routed AS's
Maintained byMAINT-AS4319
Last modified2008-08-10
MembersAS4319 AS12256 AS13331 AS21519
mbrs-by-refN
Used by

Sets that include AS-CORT

AS-PNW-GIGAPOP-PEERS
Tools

Check AS-CORT live

IRR API, with prefixes