Christian Kratzer said once upon a time:
Does anybody know what AS4000 is. Can't seem to find the list
anywhere.
#whois -h whois.arin.net 4000
Sprint International (ASN-GLOBAL-SPLK-ASNBLOCK)
12490 Sunrise Valley Drive
Reston, VA 22096
Autonomous System Name: GLOBAL-SPLK
Autonomous System Block: 4000 - 4005